The H11A817A3SD is a surface-mount, 4-pin phototransistor optocoupler in the H11A817 series, featuring a gallium arsenide infrared emitter driving a silicon phototransistor. It has a 70 V collector-emitter breakdown voltage, 50 mA continuous collector current, and an isolated input-output voltage rating of 5300 V rms. The current transfer ratio is specified at 80-160% with an input current of 5 mA and output voltage of 5 V. The device supports operation from -55°C to +100°C and meets VDE 0884 isolation standards. It is packaged in a surface-mount dual in-line package with 0.4" lead spacing and tape-and-reel packaging.
Optocoupler 5kV Transistor 70V 50mA SMD Product overview: H11A817A3SD from onsemi is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SMD, 5kV, 70V, 50mA. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 5kV, 70V, 50mA, Bipolar Transistor, Transistor, Photovoltaic Output Optoisolators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 903-H11A817A3SD can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-H11A817A3SD |
| Product Name | SMD 5kV 70V 50mA Bipolar Transistor |
| IC(max) | 50 milliamps |
