H21A5

H21A5 Datasheet


H21A4 H21A5 H21A6

Part Datasheet
H21A5 H21A5 H21A5 (pdf)
Related Parts Information
H21A6 H21A6 H21A6
H21A4 H21A4 H21A4
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PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

H21A4 H21A5 H21A6

PACKAGE DIMENSIONS
Ø Ø

Optical CL

PIN 1 ANODE PIN 2 CATHODE PIN 3 COLLECTOR PIN 4 EMITTER

Dimensions for all drawings are in inches mm . Tolerance of ± on all non-nominal dimensions
unless otherwise specified.

SCHEMATIC

The H21A series are 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
• apertures
• High IC ON
2001 Fairchild Semiconductor Corporation DS300291 6/05/01
1 OF 4

PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

H21A4 H21A5 H21A6

ABSOLUTE MAXIMUM RATINGS TA = 25°C unless otherwise specified

Symbol TOPR TSTG TSOL-I TSOL-F

VR PD

VCEO

VECO IC PD

Rating -55 to +100 -55 to +100 240 for 5 sec 260 for 10 sec
6 100
20 150

Unit °C °C °C °C

V mA mW

NOTE Derate power dissipation linearly mW/°C above 25°C. RMA flux is recommended. Methanol or isopropyl alcohols are recommended as cleaning agents. Soldering iron tip 1/16” 1.6mm minimum from housing.

ELECTRICAL / OPTICAL CHARACTERISTICS TA =25°C All measurements made under pulse conditions

PARAMETER

TEST CONDITIONS

SYMBOL DEVICES

INPUT EMITTER Forward Voltage

IF = 60 mA

IR = 10 µA VR = 3 V

IF = 100 µA, Ee = 0

BVECO

Collector to Emitter Breakdown Collector to Emitter Leakage COUPLED

IC = 1 mA, Ee = 0 VCE = 45 V, Ee = 0

BVCEO

ICEO

H21A4

IF = 5 mA, VCE = 5 V
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Datasheet ID: H21A5 633875