5x20mm Vertical PCB‑Mount Fuse Holder | 10A IP20 Industrial Fuse Block
Industrial‑grade vertical orientation 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, optimized for space‑constrained vertical‑layout PCB over‑current‑protection for power adapters and export‑grade electronics.
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Vertical PCB‑mount fuse holder for 5x20mm cartridge fuses is IP20‑rated vertical‑orientation through‑hole soldered circuit‑protection component for consumer‑electronic and industrial PCBA. This vertical‑mount fuse block uses high‑grade black PBT UL94 V0 flame‑retardant insulating housing with low‑resistance metal spring contacts. Vertical installation saves valuable PCB footprint space. 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 compact power adapters, household appliances, test instruments and export‑targeted electronic control boards with vertical‑component layout requirements.
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 ℃
- Vertical PCB mounting orientation, optimizes layout for space‑limited printed‑circuit‑board designs
- 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.
Distinguished from horizontal PCB fuse holders, this PTF‑50 variant adopts vertical installation orientation to reduce occupied PCB surface area. Equipped with IP20 protection and PC2 anti‑shock safety, well‑suited for compact, export‑oriented consumer‑electronic PCBA projects where horizontal space is limited.
Full Technical Specifications
| Specification Item | Parameter Value |
|---|---|
| Model | PTF‑50 |
| 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 ℃ |
| Mounting Orientation | Vertical through‑hole PCB soldering mount |
| Compliance Standards | EN 60127‑6, UL 512, C22.2 No.39 |
Note: Original datasheet does not provide insulation resistance and withstand‑voltage parameters.
Selection & Application Guidance
When selecting this vertical IP20‑rated PCB‑mount fuse holder for 5×20 mm fuses, confirm fuse dimension, system AC voltage, continuous operating‑current and PCB layout space first. This vertical‑mount variant is preferred for projects with limited horizontal PCB footprint. 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
- Compact export‑grade power‑adapter and small switching‑power‑supply PCBA fuse accessories
- Household‑appliance control‑board and consumer‑electronics protection circuits with space‑saving PCB layout
- 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 vertical‑orientation 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.
Frequently Asked Questions
Q1: What fuse size fits this vertical IP20 pcb fuse holder?
A1: It fits standard 5 × 20 mm glass and ceramic tubular cartridge fuses, designed for vertical‑mount compact PCB‑level over‑current‑protection.
Q2: What are its main 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 for solid‑object protection.
Q4: What is operating‑temperature range?
A4: Ambient operating temperature ranges from‑30 ℃ up to +85 ℃.
Q5: What makes PTF‑50 different from horizontal PTF‑45?
A5: PTF‑50 adopts vertical through‑hole PCB mounting orientation, saving horizontal PCB space for compact layout designs.
Q6: Which international standards does it comply with and typical‑uses?
A6: Compliant with EN 60127‑6, UL 512, C22.2 No.39. Suited for compact export‑grade power adapters, household appliances, test instruments and consumer‑electronic PCB protection circuits.




