General purpose (dual digital transistors) The IMH14A is a high-voltage, high-speed photocoupler manufactured by ROHM. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Isolation Voltage (BVS):** 5000 Vrms (min)
- **Collector-Emitter Voltage (VCEO):** 80 V (max)
- **Emitter-Collector Voltage (VECO):** 7 V (max)
- **Collector Current (IC):** 50 mA (max)
- **Current Transfer Ratio (CTR):** 50% (min) at IF = 5 mA, VCE = 5 V
- **Input Forward Current (IF):** 60 mA (max)
- **Reverse Input Voltage (VR):** 6 V (max)
- **Turn-On Time (ton):** 4 μs (max)
- **Turn-Off Time (toff):** 3 μs (max)
- **Operating Temperature Range:** -55°C to +110°C
### **Descriptions:**
- The IMH14A is an optocoupler consisting of a GaAs infrared LED and a high-speed phototransistor.
- It provides electrical isolation between input and output circuits.
- Suitable for high-voltage applications requiring fast response times.
### **Features:**
- **High-Speed Switching:** Fast response time (ton/toff) for signal transmission.
- **High Isolation Voltage:** 5000 Vrms ensures reliable isolation.
- **Compact Package:** Available in a 4-pin DIP package.
- **Wide Temperature Range:** Operates reliably in harsh environments.
- **High CTR:** Ensures efficient signal transfer with minimal input current.
For exact details, always refer to the official ROHM datasheet.
