5x20mm PCB‑Mount Fuse Holder | 10A IP20 Industrial Fuse Block
Industrial‑grade IP20‑rated through‑hole PCB‑mount fuse holder for 5×20mm glass & ceramic cartridge fuses, black PBT UL94 V0 flame‑retardant housing, rated 10A 250V AC, 2.5W rated power acceptance, PC2 shock‑safe category,‑30℃~+85℃ ambient temperature, compliant with EN 60127‑6, UL 512, C22.2 No.39, for power adapters, household appliances and export‑grade PCB over‑current‑protection.
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PCB‑mount fuse holder for 5x20mm cartridge fuses is IP20‑rated through‑hole soldered circuit‑protection component for consumer‑electronic and industrial PCBA. This fuse block uses high‑grade black PBT UL94 V0 flame‑retardant insulating housing with low‑resistance metal spring contacts. It features PC2 shock‑safe construction and IP20 ingress‑protection rating, complying with international safety standards EN 60127‑6, UL 512 and C22.2 No.39. Designed for through‑hole wave‑soldering mass‑production. Standard housing color is black. Widely deployed in power adapters, household appliances, test instruments and export‑targeted electronic control boards.
Core Product Features
- Compatible with standard 5 × 20 mm glass / ceramic tubular cartridge fuses for low‑voltage PCB‑level over‑current‑protection
- Electrical rating: 10A @ 250V AC; rated power acceptance 2.5W for reliable thermal‑dissipation under continuous‑load
- Housing material: PBT, UL94 V‑0 flame‑retardant grade; standard black housing color
- Contact resistance below 5 mΩ for low power‑loss and stable long‑term conduction
- PC2 shock‑safe category; IP20 ingress‑protection rating; ambient operating temperature‑30 ℃ ~ +85 ℃
- Full‑standard compliance: EN 60127‑6, UL 512, C22.2 No.39, supports global export market‑access for electronic‑products
- Through‑hole PCB soldering mount, fits conventional wave‑soldering manufacturing workflows
- RoHS‑compliant construction, meets global consumer‑electronics environmental‑protection requirements.
Compared with ordinary IP00 PCB fuse clips, this IP20‑rated variant provides basic solid‑foreign‑object protection on PCB board. PC2 enhanced anti‑electric‑shock safety plus multi‑national safety certifications make it highly suitable for export‑oriented consumer‑electronic projects.
Full Technical Specifications
| Specification Item | Parameter Value |
|---|---|
| Model | PTF‑45 |
| Compatible Fuse | 5 × 20 mm glass / ceramic tubular cartridge fuse |
| Rated Current | 10A |
| Rated Voltage | 250V AC |
| Rated Power Acceptance | 2.5 W |
| Housing Material | PBT, UL94 V0 flame‑retardant |
| Standard Housing Color | Black |
| Contact Resistance | ＜ 5 mΩ |
| Shock‑safe Category | PC2 |
| Degree of Protection | IP20 |
| Ambient Operating Temperature | ‑30 ℃ ~ +85 ℃ |
| Compliance Standards | EN 60127‑6, UL 512, C22.2 No.39 |
| Mounting Method | Through‑hole PCB soldering mount |
Note: Original datasheet does not provide insulation resistance and withstand‑voltage parameters.
Selection & Application Guidance
When selecting this IP20‑rated PCB‑mount fuse holder for 5×20 mm fuses, confirm fuse dimension, system AC voltage and continuous operating‑current first. Select matching‑rating 5x20mm tubular fuses and reserve a 1.25‑1.5× safety margin to avoid over‑heating under continuous‑load. For export‑targeted electronic products, verify PC2 shock‑safe, IP20 rating and corresponding standard compliance. Follow official dimension drawing for PCB pad layout to guarantee soldering reliability and stable contact performance. Note IP20 rating only provides protection against solid foreign objects, proper final‑enclosure design shall still be considered for finished‑equipment safety.
Typical Application Scenarios
- Export‑grade power‑adapter and small switching‑power‑supply PCBA fuse accessories
- Household‑appliance control‑board and consumer‑electronics protection circuits
- Test instruments, multimeters and laboratory small‑power circuit‑boards
- Communication‑equipment auxiliary power‑input protection accessories
- LED power‑drivers and low‑voltage lighting‑control PCBA
- Small‑industrial‑automation module PCB over‑current‑protection accessories
Installation & Maintenance Instructions
1. Select correct‑rating 5 × 20 mm glass / ceramic tubular cartridge fuse according to circuit‑protection requirements.
2. Design PCB through‑hole pads strictly follow official dimension drawing to ensure soldering compatibility.
3. Complete wave‑soldering or manual‑soldering with proper temperature and dwell‑time; avoid over‑heat damage to PBT black plastic housing.
4. Insert tubular fuse fully into holder cavity for reliable electrical contact.
5. Do not operate beyond published rated voltage‑current limits to prevent insulation breakdown and safety hazards.
6. Cut‑off full power supply and discharge circuit before fuse replacement to prevent electric‑shock hazard.
7. Periodically inspect for loose fuse, contact‑clip oxidation or heating signs; replace accessories promptly when anomalies are found.
PTF-45 5x20mm PCB‑Mount Fuse Holder
Frequently Asked Questions
Q1: What fuse size does this IP20 pcb fuse holder fit?
A1: It fits standard 5 × 20 mm glass and ceramic tubular cartridge fuses, for low‑voltage export‑grade PCB‑level over‑current‑protection.
Q2: What are its electrical specifications?
A2: Rated 10A @250V AC with 2.5W rated power acceptance; contact resistance below 5 mΩ.
Q3: What are safety‑class and protection‑rating?
A3: Black PBT UL94 V‑0 housing, PC2 shock‑safe category, IP20 ingress‑protection rating.
Q4: What is operating‑temperature range?
A4: Ambient operating temperature ranges from‑30 ℃ up to +85 ℃.
Q5: Which international standards does it comply with?
A5: Compliant with EN 60127‑6, UL 512, C22.2 No.39 for global export‑electronic‑product market‑access.
Q6: What mounting method and typical‑applications?
A6: Through‑hole PCB soldering mount; widely used for export‑grade power adapters, household appliances, test instruments and consumer‑electronic PCB protection circuits.
