ISOCOM LTD: BSI9000 and CECC20000 Approved Manufacturer

Hutton Close, Crowther Ind Est, Washington, Tyne & Wear NE38 0AH, England
Email: enquiry@isocomoptocouplers.com - Tel: +44 (0)191 4166546 - Fax: +44 (0)191 4155055

Circuit
Description
Absolute Maximum Ratings
Electrical Characteristics

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H21A1, H21A2, H21A3
H22A1, H22A2, H22A3
PHOTON COUPLED INTERRUPTER

Circuit

Description

The H21A and H22A Series each consist of a Gallium Arsenide infrared emitting diode and a silicon phototransistor housed in a plastic package.
All electrical parameters are 100% tested. Specifications are guaranteed to a cumulative 0.65% AQL.

Applications

Printers, Tracker Ball, Mouse, Chart Recorders, Industrial Applications, Coin Machines.

Absolute Maximum Ratings (Ta=25°C)

Storage Temperature:
Operating Temperature:
Lead Soldering:
-55°C to +100°C
-55°C to +100°C
260°C for 5s, 1.6mm from case

Input Diode

Forward DC Current:
Reverse DC Voltage:
Peak forward current:
Power Dissipation:
Derate Linearly:
60mA
6V
3A (1µ p.w. 300pps)
100mW
1.33mW/°C above 25°C

Output Transistor

Collector-emitter voltage VCEO:
Emitter-collector voltage VECO:
Collector Current IC:
Power Dissipation:
Derate Linearly:
30V
6V
100mA
150mW
2.0mW/°C above 25°C

Electro-optical Characteristics (Ta=25°C)

INPUT PARAMETER CONDITIONS MIN TYP MAX UNIT
CI Capacitance V=0, f=1MHz
30
pF
VF Forward voltage IF=60mA

1.7 V
IR Reverse current VR=5V

100 nA
V(BR)R Reverse Breakdown Voltage IR=10µA 6

V
V(BR)CEO Breakdown Voltage lC=1mA 30

V
OUTPUT
V(BR)ECO Breakdown Voltage lE=100µA 6

V
lCEO Collector Dark Current VCE=25V

100 nA
CCE Capacitance VCE=5V, f=1MHz
3.3 5 pF

COUPLED ELECTRICAL CHARACTERISTICS (25°C; note 1)

PARAMETER CONDITIONS MIN TYP MAX UNIT
A1 A2 A3
ICE(ON) IF=5mA, VCE=5V 0.15 0.3 0.6

mA
ICE(ON) IF=20mA, VCE=5V 1 2 4

mA
ICE(ON) IF=30mA, VCE=5V 1.9 3 5.5

mA
VCE(SAT) IF=(20; A1=30) mA, IC=1.8mA



0.4 V
tON VCC=5V, IF=30mA, RL=2.5kohm


8
µs
tOFF VCC=5V, IF=30mA, RL=2.5kohm


50
µs

Notes

1. Stray irradiation can alter values of characteristics. Adequate shielding should be provided.

Isocom takes great effort to ensure accurate data, but regrettably cannot be held liable for any error on its website. Visit File Lists to confirm old printouts are up-to-date.

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