5x20mm PCB Mount Fuse Holder | 10A Through‑Hole Industrial Fuse Base
Industrial‑grade through‑hole PCB mount fuse holder for 5×20mm glass & ceramic cartridge fuses, PBT UL94 V‑0 flame‑retardant housing with H65 brass contacts, max 10A 125V/250V AC/DC, wide operating temperature‑25℃ ~ +125℃, designed for power adapters, consumer‑electronics and industrial PCB board over‑current protection.
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PCB mount fuse holder for 5x20mm cartridge fuses is a through‑hole soldered circuit‑protection component for consumer and industrial low‑voltage PCBA. This fuse base adopts high‑performance PBT UL94 V‑0 insulating housing together with reliable H65 brass contact points, providing stable current‑carrying performance and good heat‑resistance. Designed for direct through‑hole PCB soldering assembly, it supports automated wave‑soldering production workflows. Widely deployed in power adapters, household appliances, test instruments and small‑power industrial control PCB boards.
Core Product Features
- Compatible with standard 5 × 20 mm glass / ceramic cartridge fuses, mainstream specification for low‑voltage PCB‑level over‑current‑protection
- Electrical rating: max 10A, 125V / 250V AC/DC, meets most small‑to‑medium‑power PCB circuit‑protection requirements
- PBT engineering‑plastic housing, UL94 V‑0 flame‑retardant grade, excellent heat‑resistance and dielectric performance
- H65 brass contact points, good conductivity and anti‑oxidation for long‑term stable current‑carrying
- Wide operating temperature range: ‑25 ℃ ~ +125 ℃, adapts to PCB boards with elevated working temperatures
- Through‑hole PCB soldering mounting design, fits standard automated wave‑soldering manufacturing
- RoHS‑compliant construction, satisfies global electronics environmental‑protection and safety standards
Different from panel‑mount fuse holders, this through‑hole variant is fully board‑mounted to save enclosure space. Its wide‑temperature‑range performance makes it suitable for power‑adapter PCBA and equipment where PCB local temperature rise occurs.
Full Technical Specifications
| Specification Item | Parameter Value |
|---|---|
| Model | PTF‑60 |
| Compatible Fuse | 5 × 20 mm glass / ceramic cartridge fuse |
| Max Rated Current | 10A |
| Rated Voltage | 125V / 250V AC / DC |
| Housing Material | PBT, UL94 V‑0 flame‑retardant |
| Contact Material | H65 brass |
| Operating Temperature Range | ‑25 ℃ ~ +125 ℃ |
| Mounting Method | Through‑hole PCB soldering mount |
Note: Original drawing document does not provide contact resistance, insulation resistance and withstand‑voltage parameters.
Selection & Application Guidance
When selecting this through‑hole PCB mount fuse holder for 5×20 mm fuses, confirm fuse dimension, system AC‑DC voltage and continuous operating current first. Select matching‑rating 5×20 glass/ceramic cartridge fuses and keep a 1.25‑1.5× safety margin against continuous‑load overheating. For PCBA with high local operating temperature, this‑25℃~+125℃ wide‑temperature‑range variant is recommended. Strictly follow official PCB layout drawing for pad design to guarantee soldering reliability and current‑carrying performance.
Typical Application Scenarios
- Power adapters and small switching‑power‑supply PCBA circuits
- Household‑appliance control boards and consumer‑electronics circuits
- Test instruments, multimeters and laboratory small‑power supply boards
- Communication equipment and network‑device auxiliary‑protection circuits
- LED power drivers and low‑voltage small‑power modules
- Small‑industrial automation control PCB units
Installation & Maintenance Instructions
1. Select correct‑rating 5×20 mm glass / ceramic cartridge fuse according to circuit‑protection requirements.
2. Design PCB through‑hole pads strictly follow product dimension drawing to ensure soldering compatibility.
3. Complete wave‑soldering or manual soldering with proper temperature and dwell‑time; avoid over‑heating which will damage PBT housing.
4. Insert cartridge fuse fully into holder cavity to achieve reliable electrical contact.
5. Do not operate beyond published rated voltage‑current limits to avoid insulation breakdown and safety risks.
6. Cut‑off full power supply and discharge circuit before fuse replacement to prevent electric‑shock hazard.
7. Periodically inspect for loose fuse, contact oxidation or heating signs; replace components promptly when anomalies are found.
Frequently Asked Questions
Q1: Which fuse size fits this PCB mount fuse holder?
A1: It fits standard 5 × 20 mm glass and ceramic cartridge fuses for low‑voltage PCB‑level circuit‑protection.
Q2: What are its electrical ratings?
A2: Max rated current 10A; rated voltage 125V / 250V for both AC and DC.
Q3: What material are housing and contacts?
A3: Housing is PBT with UL94 V‑0 flame‑retardant grade; contact points adopt H65 brass for good conductivity and oxidation‑resistance.
Q4: What is the operating‑temperature range?
A4: Wide operating‑temperature from‑25 ℃ up to +125 ℃, suitable for PCB boards with temperature rise.
Q5: What mounting style does it use?
A5: Through‑hole PCB soldering mount, compatible with wave‑soldering mass‑production process for printed circuit boards.
Q6: What are typical application‑fields?
A6: Mainly used for power adapters, household appliances, test instruments, LED drivers and various small‑power consumer‑electronic PCB over‑current‑protection circuits.
