RUEF090 PTC Resettable Fuse 30V 900mA Through Hole
The RUEF Series (30 V) are radial-lead, resettable PTC (Polymeric Positive Temperature Coefficient) fuses engineered to provide reliable overcurrent protection across a wide range of consumer, industrial and communication electronics. RUEF devices automatically limit fault currents by increasing resistance when a trip occurs and return to a low resistance state after cooling, reducing downtime and maintenance costs compared with single-use fuses.
Features
- Resettable and single-use overcurrent device.
- RUEF series is for balance of voltage rating (30V) and hold current.
- Device is compatible with high-volume electronics assembly.
- Lead-Free and Halogen-Free.
Specifications
| Parameter | Symbol | Value | Notes |
|---|---|---|---|
| Hold Current | IH | 0.90 A | Max current without trip (still air) |
| Trip Current | IT | 1.80 A | Min current that causes trip |
| Max Operating Voltage | VMAX | 30 VDC / 30 VAC RMS | Continuous |
| Max Fault Current | IMAX | 100 A (DC) / 70 A (AC) | Non-repetitive at rated voltage |
| Power Dissipation (Tripped) | PD (typ) | 0.60 W | In 20 °C still air |
| Max Time-to-Trip | ttrip | 5.9 s | Measured at I = 4.5 A |
| Resistance (as shipped) | RMIN | 0.070 Ω | |
| Resistance (as shipped) | RMAX | 0.120 Ω | |
| Post-Trip Resistance | R1MAX | 0.22 Ω | Measured 1 hour after trip at 20 °C |
| Lead Size | — | 0.205 mm2 (24 AWG) | Tin-plated copper-clad steel |
Dimensions
| Parameter | Value |
|---|---|
| (A) | 5.3 mm |
| (B) | 11.5 mm |
| (C) | 5.5 mm |
| (D) | 9 mm |
| (E) | 1.7 mm |
Applications
- Satellite video receivers
- Industrial controls
- Transformers
- Computer motherboards
- Modems
- Battery packs
- Phones
- Fax machines
- Printers
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