4N37 70V 5kV 50mA 1.5V DC Optocoupler IC DIP-6
The 4N37 is a general-purpose phototransistor optocoupler that features a gallium arsenide infrared emitting diode driving a silicon phototransistor. This component offers excellent performance with a 70V blocking voltage and 5kV isolation, making it suitable for a variety of applications requiring electrical isolation and signal transmission. The 4N37 provides reliable isolation between circuits while ensuring minimal power loss, making it ideal for use in industrial control systems, power supplies, and other applications that require secure signal transmission in electrically noisy environments.
Features:
- High Input-Output Isolation Voltage (V_ISO) of up to 7500V ac(pk).
- Minimum Collector-Base Voltage (V_CBO) and Collector-Emitter Voltage (V_CEO) of 70V.
- Minimum Current Transfer Ratio (CTR) of 100% at I_F = 10mA and V_CE = 10V.
- Maximum DC/Average Forward Input Current (I_F) of 60mA (with -M suffix).
Specifications:
| Parameter | Value |
|---|---|
| Forward Voltage (VF max) | 1.5V |
| Reverse Voltage (VR) | 6V |
| Forward Current (IF max) | 100mA |
| Collector-Emitter Voltage (VCEO) | 30V |
| Collector-Base Voltage (VCBO) | 70V |
| Emitter-Collector Voltage (VECO) | 7V |
| Collector Current (IC max) | 50mA |
| Isolation Voltage (VISO) | 5300VRMS |
| Current Transfer Ratio (CTR min) | 100% |
| Saturation Voltage (VCE(sat) max) | 0.3V |
| Turn-On Time (ton max) | 10µs |
| Turn-Off Time (toff max) | 10µs |
| Operating Temperature | -55°Cto+100°C |
| Storage Temperature | -55°Cto+150°C |
| Power Dissipation (PD) | 250mW |
Pin Configuration:
Applications:
- Power supply regulators, for feedback and isolation.
- Digital logic input isolation.
- Microprocessor input/output interfacing and protection.
- General signal isolation between low-voltage and high-voltage domains.
- Noise isolation and ground loop elimination.
Package Include:
1x 4N37 70V 5kV 50mA 1.5V DC Optocoupler IC DIP-6
