Optocoupler is an important component in electronics and here is EL817C that is a hugely popular optocoupler available in quartz components with such great price.
As like other optocouplers, it has an infrared emitting diode that optically controls a phototransistor. The forward voltage of the diode is typically 1.2V at 20mA of forward current. It is packaged in a 4-pin DIP Package.
Since it is the EL817C, it has the CTR value of 200-400 % at 5mA forward current with 5V of collector-emitter voltage. The phototransistor supports a maximum of 50mA collector current.
EL817C pinout:
Specification :
- Package/Case : DIP-4
- Mounting Type : TH
- CTR : 200-400% at IF=5mA ,VCE=5V
- Rise Time: 18μs
- Fall Time : 18μs
- Operating Temperature Range (°C) : -55 to 110
- Dimensions in mm (LxWxH) : (each) 6.50 x 4.58 x 4.50
- Maximum Collector Emitter Voltage : 35 V
- Maximum Collector Current : 50 mA
- Isolation Voltage : 5000 Vrms
- Maximum Collector Emitter Saturation Voltage :2 V
- Vf - Forward Voltage :2 V
- Vr - Reverse Voltage : 6 V
- Pd - Power Dissipation : 200 mW
- Number of Channels : 1 Channel
EL817C Applications:
- SMPS
- Isolated Data input
- Measurements
- Communication between two different voltage level circuits
- Hazardous interfaces where manual interventions required
- High power Relay driving
EL817C Dimension and footprint:
Example Projects on EL817C:
Additional Resources:
Package Contains
1x EL817C DIP Package
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