B59960C120A70 – EPCOS
80 V, 250 mA PTC Resettable Fuse, Radial
Stock Quantity: 111
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.75 |
| 10+ | |
| 50+ | |
| 100+ |
111 in stock
Contact us for volume pricing
- Same day shipping if ordered before 14.00 GMT
- 6 month warranty on all stock items
- All stock held and shipped from our UK warehouse
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Overview
The EPCOS B59960C120A70 is a radial-leaded PTC thermistor designed for robust over-current protection in sensitive electronic circuits. Its primary function is to limit fault currents by exhibiting a sharp increase in resistance above a specific trip temperature, effectively acting as a resettable fuse. A critical design consideration when implementing this component is the trade-off between its quiescent resistance (5.6 Ohms) and its trip current rating (4.3 A); a lower quiescent resistance allows for more efficient operation under normal conditions but requires careful thermal management to prevent premature tripping due to ambient temperature fluctuations or self-heating.
Key Features
- Resistance @ 25°C: 5.6 Ohms
- Tolerance: ±25%
- Maximum Continuous Current: 4.3 A
- Trip Temperature: Typically 120°C
- Mounting Type: PCB Mount, Radial Leads
- Package: Ammo Pack
- Dimensions: 12mm Disk
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Inrush current limiting for power supplies and motor drives.
- Overload protection for battery charging circuits.
- Short-circuit protection in consumer electronics.
- Thermal runaway prevention in LED driver modules.
