PTF‑50A PCB Fuse Holder | 5.2×20mm 10A 250V AC PBT RoHS
PTF‑50A PCB Fuse Holder for 5.2×20mm cartridge fuses, max 10A 250V AC. PBT housing, brass tin‑plated contacts, high dielectric strength, RoHS compliant.
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PTF‑50A PCB Fuse Holder
The PTF‑50A PCB Fuse Holder is a through‑hole PCB‑mount socket designed for standard 5.2×20 mm cartridge fuses. Furthermore, this compact fuse base delivers stable over‑current protection for power supplies and consumer electronic boards with 10A 250V AC maximum rating. Besides, it adopts durable PBT housing and brass tin‑plated contacts for reliable electrical performance. Therefore, this component satisfies RoHS requirements for global electronic manufacturing. Explore our full series of PCB fuse holders
PTF‑50A PCB Fuse Holder Technical Specifications
| Part Number | PTF‑50A |
| Compatible Fuse Size | 5.2×20 mm Cartridge Fuse |
| Max Electrical Rating | 10A, 250V AC Max. |
| Housing Material | PBT |
| Contact Hardware | Brass, Tin‑plated surface |
| Dielectric Strength | AC 3000V Min. for 60 seconds |
| Contact Resistance | ≤5mΩ at 1A DC |
| Insulation Resistance | ≥100MΩ at 500V DC |
| Mounting Style | Through‑hole PCB Solder Mount, end‑cap & body supplied unassembled |
| Overall Length | 29.00 mm |
| PCB Pin Spacing | 12.50 mm |
| Dimension Tolerance | ±0.25 mm |
| Compliance | RoHS |
| Manufacturer | Dongguan Gongfu Electronics Co., Ltd. |
Specifically, please refer to original dimension drawing for full mechanical details before mass‑production purchasing. End cap and body are delivered unassembled.
Core Benefits of this PCB Fuse Socket
- It fits standard 5.2×20 mm glass or ceramic cartridge fuses for circuit protection.
- Moreover, it supports max 10A current under 250V AC working environment.
- Solid PBT housing brings good mechanical strength for PCB assembly environment.
- Its brass tin‑plated contacts keep low contact resistance and anti‑oxidation performance.
- In addition, high dielectric strength AC 3000V meets strict safety test requirements.
- Unassembled end‑cap and body design allows convenient fuse replacement after soldering.
- It meets RoHS environmental standards for worldwide electronic product export.
- Tight ±0.25 mm dimensional tolerance guarantees stable mass‑production soldering performance.
Typical Application Scenarios
- Switch‑mode power supply units
- Household consumer electronics control boards
- Instrument and measuring equipment
- LED driver circuit boards
- Small‑size industrial control modules
- General‑purpose PCB over‑current protection circuits
Frequently Asked Questions
1: Which fuse size works with PTF‑50A?
A: This PCB holder is designed exclusively for 5.2×20 mm cartridge fuses, both glass tube and ceramic tube types work.
2: What is the max electrical rating for PTF‑50A?
A: Maximum rating is 10A, 250V AC. Do not operate beyond this electrical limit in real‑world circuits.
3: Are end‑cap and body pre‑assembled upon delivery?
A: No. End cap and body are supplied unassembled, users need to finish assembly during production.
4: What are its key electrical safety parameters?
A: Dielectric strength ≥AC3000V (60s); Contact resistance ≤5mΩ@1A DC; Insulation resistance ≥100MΩ@500V DC.
5: What mounting type does PTF‑50A adopt?
A: Through‑hole pin soldering onto printed circuit board, it belongs to PCB‑mount type, not panel‑mount.
6: Is PTF‑50A RoHS‑compliant?
A: Yes, this fuse holder fully complies with RoHS environmental directives.
For further material certification reference, you may check details from UL official website. Check matching 5.2×20 mm cartridge fuses
