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H21A Datasheet

Part Number H21A
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH
Datasheet H21A DatasheetH21A Datasheet (PDF)

H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) 0.472 (12.0) 0.457 (11.6) C L 0.249 (6.35) 0.243 (6.15) + E D + DESCRIPTION The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) C L 0.39 (1.00) 0.34 (0.85) .

  H21A   H21A






Part Number H21LTI
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description OPTOLOGIC OPTICAL INTERRUPTER SWITCH
Datasheet H21A DatasheetH21LTI Datasheet (PDF)

OPTOLOGIC® OPTICAL INTERRUPTER SWITCH H21LTB 0.472 (12.0) 0.457 (11.6) C L H21LTI PACKAGE DIMENSIONS Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) H21LOB H21LOI 0.249 (6.35) 0.243 (6.15) + E D + C L 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) 0.129 (3.3) 0.119 (3.0) 0.103 (2.60) NOM 0.433 (11.0) 0.422 (10.7) Optical C L PART NUMBER DEFINITIONS H21LTB H21LTI H21LOB H21LOI Totem-pole, buffer output Totem-pole, inverter output Open-collector, buffer output Open-collector, inverter output 0.125 (.

  H21A   H21A







Part Number H21LTB
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description OPTOLOGIC OPTICAL INTERRUPTER SWITCH
Datasheet H21A DatasheetH21LTB Datasheet (PDF)

OPTOLOGIC® OPTICAL INTERRUPTER SWITCH H21LTB 0.472 (12.0) 0.457 (11.6) C L H21LTI PACKAGE DIMENSIONS Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) H21LOB H21LOI 0.249 (6.35) 0.243 (6.15) + E D + C L 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) 0.129 (3.3) 0.119 (3.0) 0.103 (2.60) NOM 0.433 (11.0) 0.422 (10.7) Optical C L PART NUMBER DEFINITIONS H21LTB H21LTI H21LOB H21LOI Totem-pole, buffer output Totem-pole, inverter output Open-collector, buffer output Open-collector, inverter output 0.125 (.

  H21A   H21A







Part Number H21LOI
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description OPTOLOGIC OPTICAL INTERRUPTER SWITCH
Datasheet H21A DatasheetH21LOI Datasheet (PDF)

OPTOLOGIC® OPTICAL INTERRUPTER SWITCH H21LTB 0.472 (12.0) 0.457 (11.6) C L H21LTI PACKAGE DIMENSIONS Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) H21LOB H21LOI 0.249 (6.35) 0.243 (6.15) + E D + C L 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) 0.129 (3.3) 0.119 (3.0) 0.103 (2.60) NOM 0.433 (11.0) 0.422 (10.7) Optical C L PART NUMBER DEFINITIONS H21LTB H21LTI H21LOB H21LOI Totem-pole, buffer output Totem-pole, inverter output Open-collector, buffer output Open-collector, inverter output 0.125 (.

  H21A   H21A







Part Number H21LOB
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description OPTOLOGIC OPTICAL INTERRUPTER SWITCH
Datasheet H21A DatasheetH21LOB Datasheet (PDF)

OPTOLOGIC® OPTICAL INTERRUPTER SWITCH H21LTB 0.472 (12.0) 0.457 (11.6) C L H21LTI PACKAGE DIMENSIONS Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) H21LOB H21LOI 0.249 (6.35) 0.243 (6.15) + E D + C L 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) 0.129 (3.3) 0.119 (3.0) 0.103 (2.60) NOM 0.433 (11.0) 0.422 (10.7) Optical C L PART NUMBER DEFINITIONS H21LTB H21LTI H21LOB H21LOI Totem-pole, buffer output Totem-pole, inverter output Open-collector, buffer output Open-collector, inverter output 0.125 (.

  H21A   H21A







Part Number H21B6
Manufacturers QT Optoelectronics
Logo QT Optoelectronics
Description SLOTTED OPTICAL SWITCH
Datasheet H21A DatasheetH21B6 Datasheet (PDF)

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  H21A   H21A







PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) 0.472 (12.0) 0.457 (11.6) C L 0.249 (6.35) 0.243 (6.15) + E D + DESCRIPTION The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) C L 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) .073 (1.85) .133 (3.38) 0.129 (3.3) 0.119 (3.0) Optical C L 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. 0.433 (11.0) 0.422 (10.7) SCHEMATIC 1 4 0.125 (3.2) 0.119 (3.0) C L .295 (7.5) .272 (6.9) 0.315 (8.0) FEATURES 0.110 (2.8) 0.091 (2.3) • Opaque housing • Low cost • .035” apertures • High IC(ON) 1. Derate power dissipation linearly 1.33 mW/°C above 25°C. 2. RMA flux is recommended. 3. Methanol or isopropyl alcohols are recommended as cleaning agents. 4. Soldering iron tip 1/16” (1.6mm) minimum from housing. 2 3 2 1 3 4 PIN 1 ANODE PIN 2 CATHODE PIN 3 COLLECTOR PIN 4 EMITTER 0.020 (0.51) (SQ) NOTES: 1. Dimensions for all drawings are in inches (mm). 2. Tolerance of ± .010 (.25) on all non-nominal dimensions unless otherwise specified. ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Sol.


2005-03-22 : 12CWQ10FN    12H3020-2    12H3040-2    12TQ045S    MI31T    MI31TA    MI32T    MI32T-L    MI32TA    MI33T   


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