RXEF025 PTC Resettable Fuse 72V 250mA Through Hole
The PolySwitch radial-leaded devices represent the most comprehensive and complete set of PPTC products available in the industry today. RXEF series offers low hold currents and high voltage rating (72V).
Features
- Low Hold Current (IH)
- Maximum Continuous Voltage: 72 V
- Resettable Protection
- Low Power Dissipation
- Radial / through-hole leads Mounting Style
Specifications
| Technical Specifications | |
|---|---|
| Part number | RXEF025 |
| Product family | RXEF — Radial-leaded PolySwitch (PTC resettable fuse) |
| Maximum continuous voltage | 72 V |
| Hold current (IH) | 0.25 A |
| Trip current (IT) | 0.50 A |
| Maximum fault current (IMAX) | 40 A |
| Cold resistance (Rmin – Rmax) | 1.25 Ω – 1.95 Ω (at 20°C) |
| Post‑trip resistance (R1 max) | 3.00 Ω (measured 1 hour after trip) |
| Power dissipation (Pd) | 0.45 W |
| Lead size / finish | AWG 24 (≈0.205 mm²), tin-plated leads |
| Operating temperature range | −40 °C to +85 °C |
Dimensions
| Parameter | Value |
|---|---|
| (A) | 4.7 mm |
| (B) | 10 mm |
| (C) | 5 mm |
| (D) | 9.8 mm |
| (E) | 1.8 mm |
Applications
- Satellite video receivers
- Industrial controls
- Transformers
- Computer motherboards
- Modems
- USB hubs, ports and peripherals
- Fax machines
- Printers
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