9icnet provides you with H21A4 designed and produced by onsemi, which is sold in 9icnet on the spot, and can be purchased through channels such as the original factory and agents. H21A4 price reference $209.229481. onsemi H21A4 Package/Specification: SENSOR OPT SLOT PHOTOTRAN PC PIN. You can download H21A4 english data, pin diagram, Datasheet data sheet function manual, the data contains detailed pin diagrams of diode rectifiers, application circuit diagrams of functions, voltages, usage methods and tutorials.
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The H21A1 is SENSOR OPTO SLOT 3MM TRANS THRU, that includes Tube Packaging, they are designed to operate with a PCB Mount Package Case, it has an Operating Temperature range of -55°C ~ 100°C, that offers Mounting Type features such as Through Hole, Sensing Method is designed to work in Transmissive, as well as the Phototransistor Output Configuration, the device can also be used as 50mA Current DC Forward If Max. In addition, the Current Collector Ic Max is 20mA, the device is offered in 30V Voltage Collector Emitter Breakdown Max, the device has a 8μs, 150μs of Response Time, and Sensing Distance is 0.118" (3mm).
The H21A2 is SENSOR OPTO SLOT 3MM TRANS THRU, that includes 30V Voltage Collector Emitter Breakdown Max, they are designed to operate with a Transmissive Sensing Method, Sensing Distance is shown on datasheet note for use in a 0.118" (3mm), that offers Response Time features such as 8μs, 150μs, Packaging is designed to work in Tube, as well as the PCB Mount Package Case, the device can also be used as Phototransistor Output Configuration, it has an Operating Temperature range of -55°C ~ 100°C, the device is offered in Through Hole Mounting Type, the device has a 50mA of Current DC Forward If Max, and Current Collector Ic Max is 20mA.
The H21A3 is SENSOR OPTO SLOT 3MM TRANS THRU, that includes 20mA Current Collector Ic Max, they are designed to operate with a 50mA Current DC Forward If Max, Mounting Type is shown on datasheet note for use in a Through Hole, it has an Operating Temperature range of -55°C ~ 100°C, Output Configuration is designed to work in Phototransistor, as well as the PCB Mount Package Case, the device can also be used as Tube Packaging. In addition, the Response Time is 8μs, 150μs, the device is offered in 0.118" (3mm) Sensing Distance, the device has a Transmissive of Sensing Method, and Voltage Collector Emitter Breakdown Max is 30V.
