H21A3 Fairchild Optoelectronics Group, H21A3 Datasheet
H21A3
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H21A3 Summary of contents
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... Fairchild Semiconductor Corporation DS300290 5/02/01 H21A1 / H21A2 / H21A3 OPTICAL INTERRUPTER SWITCH DESCRIPTION The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) coupled with a silicon phototransistor in a plastic housing. The packaging system is ...
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... OUTPUT (SENSOR) Emitter to Collector Breakdown Collector to Emitter Breakdown Collector to Emitter Leakage COUPLED On-State Collector Current Saturation Voltage mA, V Turn-On Time mA, V Turn-Off Time F www.fairchildsemi.com H21A1 / H21A2 / H21A3 OPTICAL INTERRUPTER SWITCH (T =25°C)(All measurements made under pulse condition) A TEST CONDITIONS SYMBOL ...
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... DS300290 5/02/01 H21A1 / H21A2 / H21A3 OPTICAL INTERRUPTER SWITCH Figure 1. Output Current vs. Input Current NORMALIZED PULSED P = 100 sec W PRR = 100 pps 100 I , INPUT CURRENT (mA) F Figure 2. Output Current vs. Temperature NORMALIZED mA INPUT PULSED I = 100 -55 -40 - AMBIENT TEMPERATURE ( C) A Figure ...
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... Figure 5. Switching Speed vs 300 s PRR = 100 pps AMPS NORMALIZED LOAD RESISTANCE ( ) L www.fairchildsemi.com H21A1 / H21A2 / H21A3 OPTICAL INTERRUPTER SWITCH Figure 4. Leakage Current vs. Temperature DETECTOR NORMALIZED 0 100 AMBIENT TEMPERATURE ( 1. off . .001 .0001 10K PHOTOTRANSISTOR EMITTER NORMALIZED 100 T , AMBIENT TEMPERATURE ( C) A Figure 6. Output Current vs. Distance d, DISTANCE (mils) 78 ...
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... DS300290 5/02/01 H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...