H21B4 QT | Alldatasheet
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Technical content
QT! SLOTTED OPTICAL SWITCH OPTOELECTRONICS SD $$ OO PACKAGE DIMENSIONS me ores ‘Sa [win Tax [An [WAX]
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5 oP [a [30 [a2 [one [res [| @ a ‘S (i) hal [A [30 [32 [no [as] 2 3 SECTION X-X T [ab |" soo| 750[ 024 | 030 [2 | Q LEAD PROFILE [-b|sonom. |" c2onom [2] [0 zea [ear [57 [ ora [ | st1939-01 [0 fiis [20 [as7 [are |] res [a [es [75 [are [295 || 3% T [~e [es Tes [om [ito [| at [fess [65 [2s [as |] A ce 2 [a fres [rea [745 [755 [| A [sf as [75 [106 [147 [| vali L [1 zenom. T tosnom. [3] xy x eye jeg, NOTES ‘S$T1339-02 2! 1. INCH DIMENSIONS ARE DERIVED FROM MILLIMETERS. 2. FOUR LEADS. LEAD CROSS SECTION IS CONTROLLED. BETWEEN 1.27mm (.050") FROM SEATING PLANE AND THE END OF THE LEADS. 3. THE SENSING AREA IS DEFINED BY THE “'S" DIMENSION AND BY DIMENSION “T” +0.75mm (+.030 INCH). \\ ‘ rary ' II | yr I t4f4 Loo 2 2 sri
DESCRIPTION
The H21B Slotted Optical Switch is a gallium arsenide ™ Opaque housing light emitting diode coupled to a silicon photodarlington = Low cost in a plastic housing. The packaging system is designed , to optimize the mechanical resolution, coupling = .035” apertures efficiency, ambient light rejection, cost and reliability. The © High leon 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.
fou SLOTTED OPTICAL SWITCH OPTOELECTRONICS NN ABSOLUTE MAXIMUM RATINGS (, = 25°C Uniess Otherwise Specified) Soldering: INPUT DIODE Continuous Forward Current . . aE «0107. OUTPUT DARLINGTON Power Dissipation . os PERN e eee ence eee teeta eae ee ete ee Bb eeececcee 150 mw? ELECTRICAL CHARACTERISTICS (,, = 25°C Unless Otherwise Specified) INPUT DIODE Forward Voltage Ve _— Ww v l= 60mA Reverse Breakdown Voltage Va 6.0 _— v |, = 10pA Reverse Leakage Current In — 1.0 BA Ve=3V OUTPUT DARLINGTON Emitter-Collector Breakdown BV eco 7.0 - v ke = 100 pA, Ee =0 Collector-Emitter Breakdown BVceo 55 _ Vv i. =1mA,Ee=0 Collector-Emitter Leakage levo, _ 100 nA Vee = 45V, Ee = 0 COUPLED On-State Collector Current leow See page 3. mA Saturation Voltage Veeisan See page 3. v Turn-On Time ty See page 3. us Turn-Off Time te ‘See page 3. uS 1. Derate power dissipation linearly 1.33 mW/°C above 25°C. 2. Derate power dissipation linearly 2.00 mW/°C above 25°C. 3. RMA flux is recommended. 4. Methanol or Isopropyl alcohols are recommended as cleaning agents. 5. Soldering iron tip '46" (1.6 mm) from housing.
(oul SLOTTED OPTICAL SWITCH OPTOELECTRONICS ee H21B4 leon Os _ - mA Ip = 2MA, Vex = 1.5V H21B4 Veesany _ _ 1.0 v | = 10mA, |. = 1.8mA H21B4, H21B5, H21B6 ten - 45 _ us Voc = SV, Ir = 10mA, R. = 75000 H21B4, H21B5, H21B6 tow _ 250 ed us Voc = SV, I, = 10mA, R. = 7502
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