H21A4
SENSOR OPT SLOT PHOTOTRAN PC PINManufacturer: onsemi
Categories: Transistor Output
Quality Control: Learn More
onsemi H21A4 is a through-beam optical sensor featuring a phototransistor output. This component, with its slotted package and PC pins, is designed for precise sensing applications. It offers a maximum collector current (Ic) of 20 mA and a maximum DC forward current (If) of 50 mA. The sensing distance is specified at 0.118" (3mm). Key performance characteristics include response times of 8µs and 50µs. Mounting is facilitated via a through-hole, flange configuration. The H21A4 operates reliably across a wide temperature range, from -55°C to 100°C, and boasts a collector emitter breakdown voltage of 55 V. This component is commonly utilized in industrial automation, office equipment, and appliance control systems where accurate object detection is critical.
Additional Information
Series: -RoHS Status: RoHS CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | Slotted, PC Pins |
| Sensing Distance | 0.118"" (3mm) |
| Sensing Method | Through-Beam |
| Mounting Type | Through Hole, Flange |
| Operating Temperature | -55°C ~ 100°C |
| Output Configuration | Phototransistor |
| Response Time | 8µs, 50µs |
| Current - Collector (Ic) (Max) | 20 mA |
| Voltage - Collector Emitter Breakdown (Max) | 55 V |
| Current - DC Forward (If) (Max) | 50 mA |
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