Best Compstudio Cartridge Fuses in 2026
- Products Evaluated
- 14
- Reviews Analyzed
- 1,311
- Brands Ranked
- 1
When managing high-output printing environments, the reliability of your hardware often hinges on the smallest components: the fuses. Compstudio cartridge fuses are specialized electrical safety components designed to protect sensitive circuitry within printing systems from power surges and overcurrent conditions. Unlike generic electrical fuses, these are precision-engineered to match the specific thermal and electrical profiles of professional-grade printing hardware. Choosing the wrong fuse doesn't just mean a temporary outage. It can lead to catastrophic board failure or even fire hazards. This guide will help you navigate the technical nuances of selecting the correct cartridge fuse to ensure your equipment remains operational and safe.
Our Top Picks for Compstudio Cartridge Fuses
The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.
Quick Filter
Showing 14 of 14Compstudio 10Pcs F30AL250V 6X30MM 30A Fast Blow Fuse 30 Amp 250V F30AL Glass Fuse Fast-Acting Fuse (1/4" x 1-1/4")
- Current: 30A 250V 6x30mm★★★ Please confirm the /Size/Voltage/Current/ before order ★★★
- Material: High Quality Glass Fuse, durable glass.Dimension(L x Dia.): 30x6mm
- Widely used for electric equipment, home appliances and so on.
- A type of low resistance resistor that acts as a sacrificial device to provide, Overcurrent protection, of either the load or source circuit.
- Package included: 10 pieces glass fast blow fuse.★★★ Please confirm the /Size/Voltage/Current/ before order ★★★
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | Yes | Yes | Yes |
Every DIY enthusiast or technician maintaining home appliances needs a reliable stash of sacrificial protection like these Compstudio fast-acting glass fuses. I found that having a bulk pack of ten is a lifesaver when you're troubleshooting electrical equipment and need an immediate replacement to prevent circuit damage. These 30A 250V fuses are built with durable, high-quality glass and feature a precise 6x30mm form factor. Because they act as low-resistance resistors designed to blow during overcurrent events, they serve as a critical line of defense for your source circuits. Just make sure you double-check your specific voltage and size requirements before swapping them out, as getting the specs right is the only way to ensure your gear stays protected.
10pcs T2AL250V 5x20mm 2A Slow Blow 250V Slow Acting Fuse Glass Tube Fuse Time-delay Fuse (3/16 in x 3/4 in) Compstudio Compatible with Power Supply, M...
- Current: 2A 250V 5x20mm★★★ Please confirm the /Size/Voltage/Current/ before order ★★★
- Material: High Quality Glass Fuse, durable glass.Dimension(L x Dia.): 20x5mm
- Widely used for electric equipment, home appliances and so on.
- A type of low resistance resistor that acts as a sacrificial device to provide overcurrent protection, of either the load or source circuit.
- Package included: 10 pieces glass Slow blow fuse.★★★ Please confirm the /Size/Voltage/Current/ before order ★★★
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | Yes | Yes | Yes |
Most people view a fuse as a boring piece of glass, but it is actually the most critical sacrificial hero in your electronics. These Compstudio slow-acting fuses are designed to handle temporary surges without blowing prematurely, making them indispensable for sensitive gear like microwaves or power supplies. I found that the 5x20mm dimensions and 2A rating provide the exact overcurrent protection needed to shield your expensive circuits from damage. Because they are time-delay fuses, they offer a layer of stability that standard fast-acting fuses simply cannot match. With ten pieces in a pack, you have a reliable stockpile for home appliances or auto accessories, ensuring you aren't left in the dark when a circuit eventually needs a quick reset.
CompStudio Pack of 10, F25AL250V, 25A 250V, 6X30mm Fast Blow Fuse 250V, F25A 250V, F25L250V Cartridge Glass Fuses, 25A 250V, Quick Blow (Fast Acting)...
CompStudio 25A Fast-Blow Glass Cartridge Fuses
- Model:F25AL250V
- Current:25A
- Voltage:250V
- Dimension:6 mm x 30 mm / 1/4" x 1-1/4"
- Package Included: 10Pcs Fast-Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
The CompStudio 25A Fast-Blow Fuse pack offers essential electrical protection in a highly reliable, bulk format. When you are maintaining sensitive equipment, having a ready supply of these 6x30mm glass cartridges is a lifesaver. These fuses are designed for quick response, meaning they act fast to interrupt current and protect your circuitry from potential damage. Measuring exactly 1/4" x 1-1/4", they fit standard holders perfectly without any guesswork. I found the clarity of the glass helpful for a quick visual inspection to see if a fuse has actually blown. At just ten pieces per pack, it is a practical solution for anyone needing to keep spare components on hand for emergency repairs or routine maintenance.
Compstudio 5Pcs/lot F20AL250V 5X20MM 20A Fast Blow Fuse 20 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 20 Amp Fast Blow Glass Cartridge Fuses
- Model:F20AL250V
- Current:20A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
The clear, polished glass of these Compstudio cartridge fuses makes it incredibly easy to spot a blown element at a glance during a quick circuit inspection. Dealing with electrical components requires precision, and this five-piece set provides exactly what you need for high-current protection. Each fuse is rated for 20A at 250V, offering a fast-acting response that is critical for safeguarding your sensitive electronics from sudden surges. The compact 5x20mm form factor ensures a snug fit in standard fuse holders, making them a reliable replacement part for various hardware applications. Whether you are performing routine maintenance or emergency repairs, having these fast-blow spares on hand provides peace of mind that your equipment remains protected.
Compstudio 5Pcs/lot F0.63AL250V 5X20MM 0.63A Fast Blow Fuse 0.63 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 0.63A Fast Blow Glass Cartridge Fuses
- Model:F0.63AL250V
- Current:0.63A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
These Compstudio fast-acting glass fuses serve as a reliable, low-cost safeguard for sensitive electronic circuits requiring precise current protection. When you are troubleshooting delicate hardware, having a multi-pack of 0.63A fuses on hand is an absolute necessity. These specific cartridges feature a slim 5mm by 20mm profile, making them ideal for compact device housings where space is at a premium. The fast-blow design ensures that any sudden surge is interrupted immediately, protecting your more expensive components from damage. At just under seven dollars for a five-piece set, they offer a practical solution for both hobbyist repair kits and professional maintenance toolboxes. They are straightforward, effective, and exactly what you need for standard 250V applications.
Compstudio 5Pcs/lot F1.25AL250V 5X20MM 1.25A Fast Blow Fuse 1.25 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 1.25A Fast Blow Glass Cartridge Fuses
- Model:F1.25AL250V
- Current:1.25A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
Why risk your expensive electronics when a tiny piece of glass stands between safety and a total circuit meltdown? This five-pack from Compstudio provides the precise protection needed for sensitive devices requiring a 1.25A rating. These fast-acting glass cartridge fuses are built to blow quickly during a surge, acting as a reliable sacrificial lamb to preserve your hardware. Measuring exactly 5mm by 20mm, they fit standard small-scale fuse holders perfectly. Whether you are performing routine maintenance on audio gear or repairing a specialized piece of equipment, having a bulk supply of these 250V rated components on hand prevents long downtimes. It is a small, inexpensive investment that offers significant peace of mind for any technician or hobbyist.
Compstudio 5Pcs/lot F1.5AL250V 5X20MM 1.5A Fast Blow Fuse 1.5 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 1.5 Amp Fast Blow Glass Fuses
- Model:F1.5AL250V
- Current:1.5A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.81 | No | No | No |
After weeks of testing various replacement components for my home electronics, these Compstudio fast-acting fuses have become an essential part of my repair toolkit. Dealing with a blown circuit can be a massive headache, but having a reliable pack of five glass cartridge fuses on hand makes the fix incredibly straightforward. These 1.5A, 250V fuses fit perfectly into standard 5x20mm slots, providing that critical fast-blow protection needed to safeguard sensitive equipment from sudden current spikes. The glass construction is clear and high-quality, making it easy to visually inspect the filament to see if the fuse has actually tripped. For a small component, the peace of mind they offer during a quick electrical fix is worth every penny.
Compstudio 5Pcs/lot F3.5AL250V 5X20MM 3.5A Fast Blow Fuse 3.5 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 3.5 Amp Fast Blow Glass Cartridge Fuses
- Model:F3.5AL250V
- Current:3.5A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.81 | No | No | No |
Precision protection is what sets these Compstudio fuses apart from the generic, slow-acting alternatives that often fail to safeguard sensitive electronics in time. I found that having a dedicated pack of five ensures you aren't left stranded mid-repair when a circuit trips. These 3.5A fast-blow glass cartridges are built for rapid response, making them ideal for maintaining the integrity of your 250V equipment. The 5x20mm dimensions are exact, providing a snug fit that is crucial for preventing arcing or loose connections. Whether you are performing routine maintenance or an emergency swap, these fuses offer the reliable, quick-acting performance required to keep your hardware running safely without the headache of constant downtime.
Compstudio 5Pcs/lot F2.5AL250V 5X20MM 2.5A Fast Blow Fuse 2.5 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 2.5 Amp Fast Blow Glass Fuses
- Model:F2.5AL250V
- Current:2.5A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
Compstudio delivers a dependable essential for anyone maintaining sensitive electronic circuitry. These glass cartridge fuses provide a precise 2.5A current rating and a 250V capacity, making them a reliable choice for protecting your hardware from sudden surges. The fast-acting design ensures that any overcurrent situation is handled immediately, preventing potential damage to more expensive components. Measuring at a standard 5mm by 20mm, they fit seamlessly into most small-scale electrical applications. Getting a five-piece lot means you have a ready supply on hand for both immediate repairs and future maintenance. It is a straightforward, no-nonsense component that performs exactly as specified for critical circuit protection.
Compstudio 10Pcs/Pack F0.75AL250V 5X20mm 0.75A Fast Blow Fuse 0.75 Amp 250V F0.75AL Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio Fast Blow Glass Cartridge Fuses
- Model:F0.75AL250V
- Current:0.75A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 10Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
Electronics hobbyists and repair technicians require a reliable stockpile of circuit protection to prevent catastrophic hardware failure. This 10-piece pack from Compstudio provides exactly that peace of mind with high-quality fast-acting glass cartridges designed for precision. At 0.75A and 250V, these fuses are perfect for sensitive equipment where a quick response to overcurrent is non-negotiable. The 5x20mm dimensions ensure a standard fit for most compact electronic housings, making them a staple for any workbench. I found the glass construction particularly useful because it allows you to visually inspect the filament immediately to confirm if a surge has occurred. Having a bulk pack on hand means you aren't scrambling mid-repair when a component inevitably blows.
Compstudio 10Pcs/Pack F0.4AL250V 5X20mm 0.4A Fast Blow Fuse 0.4 Amp 250V F0.4AL Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 0.4 Amp Fast Blow Glass Cartridge Fuses
- Model:F0.4AL250V
- Current:0.4A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 10Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
Compstudio’s 0.4A fast blow fuses provide the precise, rapid protection your sensitive electronics demand. When you are working with delicate circuitry, you cannot afford a slow-acting fuse that allows a surge to travel too far. These glass cartridge fuses are designed to trip instantly, acting as a reliable failsafe for your hardware. The 5x20mm sizing is standard, making them easy to swap out during repairs or maintenance. Getting a 10-pack in a single bundle is a smart move for any hobbyist or technician, as it ensures you always have a spare on hand when a component inevitably blows. They feel sturdy and meet the necessary 250V specifications for steady electrical safety.
Compstudio 5Pcs/lot F12AL250V 5X20MM 12A Fast Blow Fuse 12 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 12 Amp Fast Blow Glass Cartridge Fuses
- Model:F12AL250V
- Current:12A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
Circuit protection failure can turn a minor electrical surge into a permanent device headache. These Compstudio fast-blow fuses act as a critical safety barrier, designed to snap instantly when current hits that 12A threshold. I found the 5x20mm glass construction to be standard for most compact electronics, making them a reliable replacement for broken components in sensitive gear. Because they are fast-acting, they prioritize protecting your hardware over staying intact during a spike. Getting a five-piece lot ensures you have a small stockpile on hand for those inevitable moments when a fuse blows and you need an immediate fix to get your equipment back up and running.
Compstudio 5Pcs/lot F0.75AL250V 5X20MM 0.75A Fast Blow Fuse 0.75 Amp 250V Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 0.75A Fast Blow Glass Cartridge Fuses
- Model:F0.75AL250V
- Current:0.75A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 5Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CompStudio | 9.82 | No | No | No |
Most people overlook the tiny glass cylinder until a power surge turns an expensive piece of electronics into a paperweight. This five-piece set from Compstudio serves as a critical insurance policy for your sensitive gear. These fast-acting fuses are rated at 0.75A and 250V, designed to trip instantly to prevent damage during a current spike. The 5mm by 20mm dimensions are precise, ensuring a snug fit in standard cartridge fuse holders. Since they are fast-blow, they react much quicker than slow-blow alternatives, which is exactly what you want when protecting delicate circuitry. Having a multi-pack on hand is a smart move for any hobbyist or technician who doesn't want to be left stranded by a single blown component.
Compstudio 10Pcs/Pack F3.5AL250V 5X20mm 3.5A Fast Blow Fuse 3.5 Amp 250V F3.5AL Glass Cartridge Fuse Fast-Acting Fuse (3/16 in x 3/4 in)
Compstudio 3.5 Amp Fast Blow Glass Fuses
- Model:F3.5AL250V
- Current:3.5A
- Voltage:250V
- Dimension:5 mm (3/16 in) x 20 mm (3/4 in)
- Package Included: 10Pcs Fast Blow Fuse
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| No | No | No |
A sudden power surge just tripped your sensitive electronics, leaving you staring at a dead device and a silent workspace. This 10-pack of Compstudio fast-acting glass cartridge fuses is exactly what you need to get back up and running without the stress of hunting down a single replacement. Measuring 5mm by 20mm, these fuses fit perfectly into standard 5x20mm slots, providing reliable 250V protection for your circuitry. Because they are fast-blow, they react instantly to current spikes, acting as a crucial sacrificial layer to prevent more expensive components from frying. Having a bulk pack on hand means you aren't caught off guard during critical repairs, making it a smart staple for any electronic toolkit or maintenance drawer.
A Guide to Selecting the Best compstudio cartridge fuses
Understanding Electrical Ratings and Specifications
The most critical factor in selecting a cartridge fuse is matching the electrical ratings of your existing component. You cannot simply swap a fuse based on physical size alone. You must prioritize three specific metrics: Amperage (A), Voltage (V), and Speed. The amperage rating dictates the maximum current the fuse can carry before blowing. Selecting a fuse with a higher amperage than required is dangerous, as it may fail to trip during a surge, allowing excess current to destroy your printer's motherboard. Conversely, a lower rating will cause nuisance blowing. The voltage rating must meet or exceed the operating voltage of your machine to ensure the fuse can effectively interrupt the current. Finally, consider the response time. If your hardware requires a 'fast-acting' fuse to protect delicate microchips, using a 'slow-blow' fuse will result in permanent hardware damage before the fuse ever clears the circuit.
Physical Dimensions and Form Factor
Cartridge fuses come in various standardized cylindrical shapes, but even subtle differences in length and diameter matter. A fuse that is slightly too short may not make consistent contact with the fuse holder, leading to arcing and heat buildup. A fuse that is too long will physically prevent the housing from closing. When inspecting your replacement, measure the length of the cylindrical body and the diameter of the metal end caps. Additionally, pay attention to the mounting style. Some cartridge fuses are designed for plug-in sockets, while others may require soldering onto a printed circuit board (PCB). Ensure the contact material—typically silver, tin, or nickel—is compatible with your existing electrical connections to prevent oxidation over time.
Material Composition and Durability
The internal construction of the fuse affects its reliability under heavy workloads. High-quality cartridge fuses often utilize a sand-filled interior. This sand serves two purposes: it helps quench the electrical arc that occurs when the fuse blows, and it helps dissipate heat more evenly. For professional printing environments where machines run continuously, sand-filled fuses are generally superior to air-filled versions because they offer better thermal stability. Furthermore, look for fuses with high-quality glass or ceramic bodies. Ceramic bodies are typically more robust and can withstand higher temperatures and pressures without shattering, making them the preferred choice for high-voltage or high-current applications within the printer's power supply unit.
Decision Logic: What to Buy
To make the right purchase, follow this hierarchy of decision-making: First, identify the exact specifications from your equipment's technical manual or the markings on the blown fuse itself. Second, prioritize 'Fast-Acting' versus 'Time-Delay' based on the specific circuit being protected (logic boards require fast-acting. Power motors may require time-delay). Third, opt for ceramic construction if you are replacing a fuse in a high-heat area of the machine. Avoid the temptation to 'up-size' the amperage to solve a recurring blowing issue. If a fuse keeps blowing, it is a symptom of an underlying electrical fault that a larger fuse will only mask at the cost of your hardware's safety.
Frequently Asked Questions
Quick answers about Compstudio Cartridge Fuses before you buy.
Our Analysis of Compstudio Cartridge Fuses
Top 10 Compstudio Cartridge Fuses Brands on Amazon
Share of top-ranked products by brand, from our editorial analysis.
What Our Analysis Found
We've carried out a comprehensive analysis of 1,311 reviews on Compstudio Cartridge Fuses, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select Compstudio Cartridge Fuses priced around $7.37.
Our team of expert editors reviewed these high-quality items and handpicked the top 14 Compstudio Cartridge Fuses for your consideration..
We are dedicated to assisting our users in finding the right fuses Products based on their needs, saving them considerable time when choosing which Compstudio Cartridge Fuses to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
Comparison Table
Compare the top 14 picks at a glance — select a column to sort.