
L50QS100 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $106.95 | Condition is New – Open box, Littelfuse L50QS100 500VAC/500VDC 100A High-Speed Semiconductor Fuse *LOT OF 6*, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $51.69 | Top Pick! Condition is New, Littelfuse L50qs100.T Ul Class Fuse, Ar Class, L50q Series, Very Fast-Acting,, shipping cost = $5.00 | 99.8% |
![]() | $72.79 | Top Pick! Condition is New, Littelfuse L50QS100 L50QS-100 100A 500V Fuse, FREE SHIPPING | 99.9% |
![]() | $196.95 | Condition is New, Littelfuse L50QS100 500VAC/500VDC 100A High-Speed Semiconductor Fuse *PACK OF 10, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $37.46 | Condition is Used, (Lot of 6) Littelfuse L50QS100 500VAC/500VDC 100A High-Speed Semiconductor Fuse, FREE SHIPPING | 99.7% |
![]() | $67.64 | Condition is Used, Littelfuse L50QS100 Fuse, FREE SHIPPING | 99.2% |

The Littelfuse L50QS100 is a high-performance, surface-mount, fast-acting, resettable fuse designed for use in various low-voltage power supply applications. This fuse is specifically engineered to provide superior protection against overcurrent conditions, ensuring reliable system functionality.
The L50QS100 fuse boasts a low inductor design, which allows for quick voltage recovery after a short circuit event, making it an ideal solution for applications that require fast recovery time. It is available in a TO-220 package and has a current rating of 100 Amperes. The fuse's maximum voltage rating is 50 Volts, and it features a low resistance in the normal state, ensuring minimal power loss.
This fuse is a resettable type, meaning that it can be safely restored to its normal operating state after a short circuit event without the need for replacement. It is also equipped with a low melting point element, which melts and breaks the fuse link when the current exceeds the rated value, providing effective overcurrent protection.
The Littelfuse L50QS100 is designed to meet the demanding requirements of modern electronic systems, providing high-reliability protection against overcurrent conditions. Its compact size, fast-acting response, and resettable feature make it a versatile and valuable component in a wide range of low-voltage power supply applications.
In summary, the Littelfuse L50QS100 is a high-performance, surface-mount, fast-acting, resettable fuse with a current rating of 100 Amperes and a maximum voltage rating of 50 Volts. Its low inductor design, compact size, and resettable feature make it an ideal solution for applications that require fast recovery time and reliable overcurrent protection.
The Littelfuse L50QS100 is a Type S, low voltage, 100 ampere, surface mount, fast-acting fuse. This fuse is commonly used for protecting power circuits and motor applications. Here are some pros and cons of buying this particular fuse:
Pros:1. Low voltage application: This fuse is suitable for applications with a voltage range of 6V to 80V.
2. Fast-acting: The L50QS100 fuse has a low melting point alloy, which allows it to melt quickly and prevent damage to the circuit during a short circuit.
3. Surface mount design: The surface mount design of this fuse makes it easy to install and saves space on the PCB.
4. RoHS compliant: This fuse is RoHS compliant, which means it does not contain any restricted substances.
5. High rupturing capacity: This fuse has a high rupturing capacity, which allows it to provide reliable protection against overcurrent.
Cons:1. Limited current range: This fuse is only suitable for applications requiring a maximum current of 100 amperes.
2. Sensitive to overvoltage: This fuse can be damaged by overvoltage conditions, so proper voltage regulation is necessary.
3. Higher cost compared to other fuses: The L50QS100 fuse may be more expensive than other fuses with similar specifications.
Conclusion:The Littelfuse L50QS100 fuse is a reliable and effective solution for protecting low voltage circuits with a maximum current requirement of 100 amperes. Its fast-acting design, surface mount configuration, and RoHS compliance make it a popular choice for many applications. However, its limited current range and sensitivity to overvoltage conditions should be considered during the selection process. If the application requirements fit within the fuse's specifications, it is a recommended option for providing reliable protection against overcurrent.
Details:
Manufacturer part number: l50qs1 visible known model's: brand: versions: charge point: 22-001854-03. We seek compatibility's. Its easier than you think!, if you're repairing your TV, after diagnosing its symptoms, the first step is finding correct TV part. Let's start your repair journey today.
This fuse is part of the renowned Littelfuse brand, known for its quality and durability in electrical components. We demand quality. Littelfuse L50QS100 fuse: introducing the fuse, a reliable component designed to ensure safety and efficiency of your commercial equipment. Each of our appliance parts also gets inspected multiple times.
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specifications fuseaud:
- brand: Littelfuse
- mpn: L50qs100
- part type: Fuse
payments fuseaud:
- wallet: paypal
- credit card: discover
- other
shipping fuseaud:
- transit: 2-4 days
- carrier: usps
- class: standard
- type: calculated
- service: usps first class
returns fuseaud:
- time: 30 days
- policy: returns accepted
- paid by: buyer
- method: money back
offer fuseaud:
- in stock #: 5
- started: october 14, 2025
- availability: in stock
- sold #: 14
- prices: $37.46–$196.95
- item condition:
- New – Open box
- New
- Used
- options: ship-to-home
seller fuseaud:
- city: burnsville, minnesota
- # reviews: 84774
- rating: 97.9%
general fuseaud:
- category: Electronics > Vehicle Gps > Car Audio Video Installation > Fuses Holders
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