RUEF400 PTC Resettable Fuse 30V 4A Through Hole
The RUEF series is a radial-leaded, PolySwitch® resettable fuses (PPTCs) providing reliable overcurrent protection. These components automatically switch to a high-resistance state during a fault and reset once the condition is cleared and power is cycled. Rated for 30V, they offer a versatile and maintenance-free alternative to traditional single-use fuses for a wide variety of electronic applications.
Features
- RUEF series is for balance of voltage rating (30V) and hold current.
- Lead-Free and Halogen-Free.
- Resettable Overcurrent Protection: Automatically resets after a fault condition is cleared, reducing maintenance and replacement costs.
- Fast Time-to-Trip: Quickly interrupts excessive current flow to protect downstream components.
- Low Resistance: Features a low initial resistance, minimizing its impact on circuit performance under normal operating conditions.
Specifications
| Specification | Value |
|---|---|
| Series | RUEF |
| Hold Current (Ih) | 4.0A |
| Trip Current (It) | 8.0A |
| Maximum Voltage (Vmax) | 30V |
| Maximum Current (Imax) | 100A |
| Time to Trip | 12.7s @ 20A |
| Power Dissipation (Pd) | 2.5W |
| Minimum Resistance (Rmin) | 0.010 Ω |
| Maximum Resistance (Rmax) | 0.030 Ω |
| Maximum Resistance after trip (R1max) | 0.050 Ω |
| Operating Temperature Range | -40°C to 85°C |
| Mounting Type | Through Hole |
Dimensions
| Parameter | Value |
|---|---|
| (A) | 13.3 mm |
| (B) | 17.3 mm |
| (C) | 6 mm |
| (D) | 10 mm |
| (E) | 2.5 mm |
Applications
- Satellite video receivers
- Industrial controls
- Transformers
- Computer motherboards
- Modems
- Battery packs
- Phones
- Fax machines
- Printers
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