Details, datasheet, quote on part number: H21B6
CategoryOptoelectronics => Drivers/Controllers => Infrared/Remote Control => Remote Control
TitleRemote Control
DescriptionSlotted Optical Switch
CompanyFairchild Semiconductor
DatasheetDownload H21B6 datasheet
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Features, Applications

NOTES: 1. Dimensions for all drawings are in inches (mm). 2. Tolerance (.25) on all non-nominal dimensions unless otherwise specified.


The H21B4, H21B5 and H21B6 consist of a gallium arsenide infrared emitting diode coupled with a silicon photodarlington in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light rejection, cost and reliability. The gap in the housing provides a means of interrupting the signal with an opaque material, switching the output from an "ON" to an "OFF" state.

Opaque housing Low cost 035" apertures High IC(ON)
ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise specified)

Parameter Operating Temperature Storage Temperature Soldering Temperature (Iron)(2,3 and 4) Soldering Temperature INPUT (EMITTER) Continuous Forward Current Reverse Voltage Power Dissipation(1) OUTPUT (SENSOR) Collector to Emitter Voltage Emitter to Collector Voltage Collector Current Power Dissipation (TC = 25C)(1) VCEO VECO mW (Flow)(2 and 3) Symbol TOPR TSTG TSOL-I TSOL-F Rating +100 240 for 5 sec 260 for 10 sec Unit C

NOTES: 1. Derate power dissipation linearly 1.33 mW/C above 25C. 2. RMA flux is recommended. 3. Methanol or isopropyl alcohols are recommended as cleaning agents. 4. Soldering iron 1/16" (1.6 mm) minimum from housing.

PARAMETER INPUT (EMITTER) Forward Voltage Reverse Breakdown Voltage Reverse Leakage Current OUTPUT (SENSOR) Emitter to Collector Breakdown Collector to Emitter Breakdown Collector to Emitter Leakage COUPLED = 2 mA, VCE = 100 A, = 1 mA, = 0 VCE = 0 BVECO BVCEO ICEO All H21B6 H21B4 On-State Collector Current = 5 mA, VCE 1.5 V IC(ON) = 10 mA, VCE = 10 mA, = 60 mA, = 10 mA, VCC = 60 mA, VCC = 10 mA, VCC = 60 mA, VCC H21B5 H21B6 Saturation Voltage VCE(SAT) All H21B5/6 All ton All toff All VR IR All V A TEST CONDITIONS SYMBOL DEVICES MIN TYP MAX UNITS


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