TLP421P Optocoupler xsistor output 3uS SMD4-4

The TLP421P is a versatile phototransistor-output optocoupler designed for those who need reliable signal isolation in a compact form. It’s built to handle power supply feedback loops and programmable controllers with ease.

Key Features

High Isolation: Provides a massive 5000 safety barrier.
High-Voltage Tolerance: Supports up to 80 V at the detector side.
Compact DIP-4: Saves valuable board space without sacrificing power.
Global Standards: Fully compliant with international safety ratings.

Technical Specifications

Max Emitter Forward Current: 50 mA
Detector : 80 V
Max Detector Current: 50 mA
Rise Time (): 2 µs
Fall Time (): 3 µs
Cut-off Frequency (): 100 kHz
Current Transfer Ratio (CTR): 50% to 400% (Rank dependent)

Pinout Configuration

1. Anode: LED Input (+)
2. Cathode: LED Input (-)
3. Emitter: Phototransistor Output
4. Collector: Phototransistor Input

Package/Image: SMD4-4