HCPL-4503-000E – TBC
Optoisolator, Transistor Output, 3750Vrms, Single Channel, 8-DIP
Stock Quantity: 1
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 1.86 |
| 10+ | |
| 50+ | |
| 100+ |
1 in stock
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- 6 month warranty on all stock items
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Overview
The Broadcom HCPL-4503-000E is a high-speed optocoupler designed for robust signal isolation in demanding electronic systems. Its primary function is to transmit digital signals across a galvanic barrier, effectively preventing ground loops and protecting sensitive downstream circuitry from transient voltage spikes. A critical design consideration with phototransistor outputs, like that of the HCPL-4503, is the trade-off between switching speed and current transfer ratio (CTR). Achieving higher CTR often necessitates increased forward current, which can lead to higher power dissipation and potentially compromise the component’s thermal budget, a key factor in ensuring long-term reliability.
Key Features
- 1 Mb/s Maximum Data Rate
- 3750 Vrms Isolation Voltage
- Through Hole Mounting (PDIP-8 Package)
- 25% Minimum Current Transfer Ratio (CTR)
- 16 mA Recommended Forward Current (If)
- 0°C to +70°C Operating Temperature Range
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.
- Digital signal isolation in industrial control systems
- Low-speed data communication interfaces
- Power supply control and monitoring circuits
- Protection of microcontrollers from high-voltage transients
