The H11A4S is a general purpose 6-pin phototransistor optocoupler in a surface mount package, consisting of a gallium arsenide infrared emitting diode and a silicon phototransistor. It features an isolation voltage of 5300 Vac(rms) for the black package variant and 7500 Vac(pk) for the white package, with an isolation resistance of 10ⁱⁱ Ω. The device operates over a temperature range of -55°C to +100°C and has a collector-emitter breakdown voltage of 30 V. The current transfer ratio ranges from 10% to 50% at 10 mA input current. It is UL and VDE recognized, with compliance to UL 94 V-0 and VDE 0884 standards when ordered with appropriate options. Package dimensions conform to surface mount leadform specifications with 0.100 inch lead spacing.
TRANSISTOR OUTPUT OPTOCOUPLER Product overview: H11A4S from Fairchild (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 key electrical ratings, package details, and application requirements. Search-friendly keywords include transistor, BJT, switching, amplification, 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-H11A4S can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-H11A4S |
| Product Name | Bipolar Transistor |
| Package Type | Tube |
