5x20mm PCB‑Mount Fuse Holders & Clips | Black Industrial Fuse Accessories

PCB‑mount fuse holders and clips accessories for 5x20mm cartridge fuses are through‑hole soldered circuit‑protection accessories for low‑voltage electronic PCBA. This fuse clip assembly uses high‑grade black PA UL94 V0 flame‑retardant insulating housing with reliable metal contact clips, featuring low contact‑resistance and stable thermal‑dissipation performance. Designed for through‑hole PCB wave‑soldering production with 22.5 mm pin pitch. Black housing is standard option for equipment internal PCB layouts. Widely used as standard fuse accessories for power adapters, household appliances, test instruments and general‑purpose electronic control boards.

Core Product Features

• Accessories compatible with standard 5 × 20 mm glass / ceramic tubular cartridge fuses, mainstream small‑size PCB‑mount fuse solution
• Electrical rating: 6.3A @250V AC; rated power acceptance 1.6 W for stable thermal‑performance under continuous‑load
• Housing material: PA (Polyamide), UL94 V‑0 flame‑retardant grade; standard black housing
• Metal spring‑clip contacts, contact resistance below 5 mΩ, low power‑loss for long‑term stable conduction
• Shock‑safe category PC1; degree of protection IP00; ambient operating temperature‑30 ℃ ~ +85 ℃
• Full‑standard compliance: EN 60127‑6, UL 512, C22.2 No.39, supports global market‑access for electronic‑products
• Through‑hole PCB soldering mount, pin pitch 22.5 mm, fits conventional wave‑soldering mass‑production workflows
• RoHS‑compliant construction, meets consumer‑electronics environmental‑protection requirements.

These black PCB fuse holders and clips serve as complete fuse accessories for printed‑circuit‑board integration. Different from panel‑mount fuse bases, this clip‑style PCB‑mount accessory saves cabinet space and enables direct fuse replacement on PCBA. Black PA housing fits most internal‑board design requirements for power‑supply and consumer‑electronic equipment.

Full Technical Specifications

Note: Original datasheet does not provide insulation resistance and withstand‑voltage parameters.

Selection & Application Guidance

When selecting these PCB fuse holders & clips accessories 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. This black‑housing variant fits most internal PCB design requirements. Follow official 22.5 mm pin‑pitch PCB layout drawing for pad design to guarantee soldering reliability and stable contact performance. Note IP00 rating, proper enclosure protection is required in final finished‑equipment design.

Typical Application Scenarios

• 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 22.5 mm pin‑pitch dimension drawing to ensure soldering compatibility.

3. Complete wave‑soldering or manual‑soldering with proper temperature and dwell‑time; avoid over‑heat damage to PA black plastic housing.

4. Insert tubular fuse fully into clip 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-77B-PCB-fuse-holder-1

Frequently Asked Questions

Q1: What fuse size are these pcb fuse holders & clips compatible with?

A1: They fit standard 5 × 20 mm glass and ceramic tubular cartridge fuses, widely‑used as PCB‑mount fuse accessories for low‑voltage electronics.

Q2: What are the electrical ratings of this fuse clip accessory?

A2: Rated 6.3A @ 250V AC with 1.6W rated power acceptance for thermal‑performance requirements.

Q3: What is housing material and color?

A3: PA (Polyamide) housing with UL94 V‑0 flame‑retardant grade; standard housing color is black.

Q4: What are safety‑class and operating‑temperature?

A4: PC1 shock‑safe category, IP00 protection grade; ambient operating temperature‑30 ℃ ~ +85 ℃.

Q5: What PCB pin‑pitch and mounting style?

A5: 22.5 mm pin‑pitch through‑hole PCB soldering mount, compatible with wave‑soldering mass‑production process.

Q6: What certification standards does this fuse‑clip accessory comply with?

A6: Compliant with EN 60127‑6, UL 512, C22.2 No.39 for global export electronic‑product market‑access.

Q7: Where are these black pcb fuse holders & clips commonly applied?

A7: Mainly used as fuse accessories for power adapters, household appliances, test instruments, LED drivers, communication‑equipment and various consumer‑electronic PCB over‑current‑protection circuits.