The H11A817D series is a 4-pin dual in-line optocoupler consisting of a gallium arsenide infrared emitting diode driving a silicon phototransistor, designed for applications such as power supply regulators, digital logic inputs, and microprocessor interfaces. It features a current transfer ratio of 300-600%, a collector-emitter breakdown voltage of 70 V, and a continuous collector current of 50 mA. The device provides 5300 Vac(rms) isolation voltage and meets VDE 0884 certification when ordered with the appropriate suffix. The part is available in surface mount configuration with tape and reel packaging, as indicated by the SD suffix in the part number H11A817DSD. The package dimensions comply with standard surface mount DIP specifications, and the operating temperature range is -55°C to +100°C.
Optocoupler 5kV Transistor 70V 50mA SMD Product overview: H11A817DSD 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-H11A817DSD can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-H11A817DSD |
| Product Name | SMD 5kV 70V 50mA Bipolar Transistor |
| IC(max) | 50 milliamps |
