PTF-50A PCB Mount Fuse Block | 5x20mm Horizontal 10A 250V AC
PTF-50A 5x20mm horizontal PCB mount fuse block with PBT insulating housing & tin-plated brass contacts, 10A 250V AC, through-hole design for circuit board overcurrent protection, RoHS compliant.
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Cái PCB mount fuse block PTF-50A series is a 5x20mm horizontal through-hole fuse base manufactured by EssFuse (Dongguan Gongfu Electronic). This PCB mount fuse block adopts PBT insulating housing with tin-plated brass contacts, designed for reliable installation of 5x20mm cartridge fuses on printed circuit boards. With stable electrical performance and compact horizontal structure, this PCB mount fuse block is widely used in power supplies, industrial control boards and consumer electronic circuits.
Key Features of PCB Mount Fuse Block PTF-50A
- Compatible with standard 5x20mm (5.2x20mm) cartridge fuses
- Rated voltage: 250V AC; maximum rated current: 10A
- Housing material: PBT engineering plastic, high insulation performance
- Contact material: Brass with tin plating for excellent conductivity
- Horizontal through-hole PCB mounting, low profile for dense board layout
- End cap and body supplied unassembled for flexible assembly
- RoHS compliant, suitable for global electronic product applications
This horizontal fuse block provides reliable electrical connection and convenient fuse replacement for PCB-level overcurrent protection. Its high-insulation housing ensures safe operation in various low-voltage electronic and industrial control scenarios.
Main Electrical Specifications of PCB Mount Fuse Block
| Item | Parameter |
|---|---|
| Model | PTF-50A PCB Fuse Block |
| Compatible Fuse Size | 5.2 x 20mm (standard 5x20mm cartridge fuse) |
| Rated Voltage | 250V AC Max. |
| Maximum Rated Current | 10A |
| Housing Material | PBT engineering plastic |
| Contact Material | Brass, tin-plated |
| Dielectric Strength | AC 3000V Min. (for 60 seconds) |
| Contact Resistance | ≤ 5mΩ (at 1A DC) |
| Insulation Resistance | ≥ 100MΩ (at 500V DC) |
| Mounting Type | Horizontal through-hole PCB mount |
| Compliance | RoHS compliant |
Mechanical Dimensions of PCB Mount Fuse Block
| Dimension Item | Value (mm) |
|---|---|
| Total Length | 29.00 |
| Body Width | 12.50 |
| Body Height | 10.50 |
| Pin Pitch (Center Distance) | 22.00 |
| Pin Diameter | 1.30 |
| Compatible Fuse Diameter | 5.20 |
Application Scenarios of Horizontal PCB Mount Fuse Block
- Switching power supplies and AC/DC adapter circuits
- Industrial control circuit boards and electronic instrumentation
- Consumer electronics and household appliance control boards
- Communication equipment and network terminal devices
- LED lighting driver circuits
- Automotive electronic auxiliary circuits
- Small power distribution and protection modules
Installation & Usage Notes
1. Select a matching 5x20mm cartridge fuse with appropriate current rating according to circuit protection requirements before installation.
2. The fuse block adopts horizontal through-hole design for PCB soldering; ensure proper soldering quality for stable electrical connection.
3. End cap and body are supplied unassembled; assemble the fuse into the body first, then fasten the end cap during installation.
4. Do not use the fuse block beyond its rated voltage and current range.
5. Disconnect power before replacing the fuse to avoid electric shock or circuit damage.
6. Store in a dry and dust-free environment to prevent contact oxidation and insulation degradation.
Frequently Asked Questions
Q1: What size of fuse does this PCB mount fuse block match?
A1: It is compatible with standard 5x20mm (5.2x20mm) cartridge fuses.
Q2: What are the rated voltage and current of PTF-50A fuse block?
A2: Maximum rated voltage is 250V AC, maximum rated current is 10A.
Q3: What material is the fuse block housing made of?
A3: The housing is made of PBT engineering plastic with excellent insulation and high temperature resistance.
Q4: What is the contact material?
A4: The contacts are made of brass with tin plating for low contact resistance and good corrosion resistance.
Q5: What is the dielectric strength of this fuse block?
A5: Dielectric strength is minimum AC 3000V for 60 seconds, ensuring reliable insulation performance.
Q6: What mounting method does it use?
A6: It adopts horizontal through-hole PCB mounting design, suitable for wave soldering or manual soldering on printed circuit boards.
Q7: Is this product RoHS compliant?
A7: Yes, the PTF-50A PCB mount fuse block is RoHS compliant, suitable for global electronic product applications.
