MINISMDC050-2 – RAYCHEM
Part Number:
MINISMDC050-2
Manufacturer:
Date Code:
RoHS:
Non-RoHS
MSL:
1
COO:
CHINA
Description:
PTC Resettable Fuse, 24V, 500mA, 1812 SMD, D57817-000
Datasheet:
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Stock Quantity: 1996
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 2.92 |
| 10+ | |
| 50+ | |
| 100+ |
1996 in stock
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- 6 month warranty on all stock items
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Product Details:
Overview
The Littelfuse MINISMDC050-2 is a Polymeric Positive Temperature Coefficient (PTC) resettable fuse designed for robust overcurrent protection in 24V systems. Its primary function is to limit fault currents by rapidly increasing resistance when exceeding a specified threshold, thereby safeguarding sensitive circuitry. A critical design consideration is the trade-off between its low initial resistance (150 mOhms) for minimal voltage drop and its post-trip resistance (up to 1 Ohms), which can impact downstream component performance during fault conditions, necessitating careful impedance matching in high-speed signal paths.
Key Features
- Maximum Operating Voltage: 24V
- Hold Current (Ih): 500 mA
- Maximum Fault Current: 100 A
- Trip Time: 150 ms
- Initial Resistance (Ri): 150 mOhms
- Package: 1812 (4532 Metric), Concave Surface Mount (4.55mm x 3.24mm)
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.
- Overcurrent protection for low-power DC motor drives.
- Inrush current limiting for sensitive sensor interfaces.
- Fault current interruption in portable electronic device charging circuits.
- Protection of power rails in compact embedded systems.
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