TLP781 Optocouplers Transistor 5V 16mA DIP4

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TLP781 Optocouplers Transistor 5V 16mA DIP4 The TLP781 is a high-performance optocoupler from Toshiba that integrates a gallium arsenide infrared LED and a silicon phototransistor in a compact DIP-4 package. It is designed to provide safe electrical isolation while enabling efficient signal transmission between input and output circuits. This makes it ideal for applications where noise immunity and protection are critical. This device offers a high isolation voltage of up to 5000Vrms and a wide current transfer ratio range, ensuring reliable switching and signal coupling. Its robust construction and stable performance make it suitable for industrial control systems, switching power supplies, and microcontroller interfacing across different voltage domains. Features: High isolation voltage for safe signal transfer. Integrated IR LED and phototransistor. Compact DIP-4 package. Wide current transfer ratio (CTR) range. Good noise immunity and electrical isolation. Suitable for low-speed switching applications. Reliable performance across wide temperature range. Specifications: Characteristic Symbol Rating Unit Forward current IF ​ 60 mA Forward current derating (Ta ≥ 39°C) ΔIF/∘C -0.7 mA / °C Pulse forward current IFP ​ 1 A Power dissipation PD ​ 100 mW Power dissipation derating ΔPD/∘C -1.0 mW / °C Reverse voltage VR ​ 5 V Junction temperature TJ ​ 125 °C Collector-emitter voltage VCEO ​ 80 V Emitter-collector voltage VECO ​ 7 V Collector current IC ​ 50 mA Power dissipation (single circuit) PC ​ 150 mW Power dissipation derating (Ta ≥ 25°C)(single circuit) ΔPC/∘C -1.5 mW / °C Junction temperature TJ ​ 125 °C Operating temperature range Topr ​ -55 to 110 °C Storage temperature range Tstg ​ -55 to 125 °C Lead soldering temperature (10s) Tsol ​ 260 °C Total package power dissipation PT ​ 250 mW Total package power dissipation derating (Ta ≥ 25°C) ΔPT/∘C -2.5 mW / °C Isolation voltage BVS ​ 5000 V_rms Pinout: Pin No. Name Description 1 Anode Input LED Anode 2 Cathode Input LED Cathode 3 Emitter Transistor Emitter 4 Collector Transistor Collector Applications: Switching power supplies. Microcontroller isolation. Solid-state relays. Signal level shifting. Industrial control systems. Household appliances. Interface between different voltage circuits. Package Included: 1x TLP781 Optocouplers Transistor 5V 16mA DIP4. Documents: TLP781Datasheet.