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Circuit
Features
Description
Absolute Maximum Ratings
Electrical Characteristics

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H24B1-H24B2
PHOTON COUPLED ISOLATOR

Circuit

Features

6000 V Isolation Peak
4 mm (min) Internal Separation
4 Pin Dual-In-Line Package
Designed for VDE and British Standards Applications

Description

The H24B1/H24B2 each consist of a Gallium Arsenide infrared emitting diode and a silicon Darlington connected phototransistor housed in a plastic package.
All electrical parameters are 100% tested. Specifications are guaranteed to a cumulative 0.65% AQL.

Absolute Maximum Ratings (Ta=25°C)

Storage Temperature:
Operating Temperature:
Lead Soldering:
Input-to-Output Isolation Voltage:
-55°C to +85°C
-55°C to +85°C
260°C for 5s, 1.6mm from case
6000Vpeak

Input Diode

Forward DC Current:
Reverse DC Voltage:
Peak forward current:
Power Dissipation:
Derate Linearly:
60mA
4V
3A (1µ p.w. 300pps)
100mW
1.67mW/°C above 25°C

Output Transistor

Collector-emitter voltage BVCEO:
Emitter-collector voltage BVECO:
Collector Current IC:
Power Dissipation:
Derate Linearly:
30V
7V
100mA
150mW
2.50mW/°C above 25°C

Electro-optical Characteristics (Ta=25°C)

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

1.7 V
IR Reverse current VR=3.0V

1 µA
VR Reverse Breakdown Voltage IR=10µA 4

V
VCEO Collector-emitter Voltage IC=1mA IF=0 30

V
OUTPUT
VECO Emitter-collector Voltage IE=100µA, IF=0 7

V
IECO Collector-emitter Dark Current VCE=10V, IF=0
5 100 nA
ICEO Collector-emitter Capacitance VCE=5V, f=1MHz
5
pF
IC/IF DC Current Transfer Ratio H24B1 IF=5mA, VCE=1.5V 1000

%
H24B2
400

%
COUPLED PARAMETER CONDITIONS MIN TYP MAX UNIT
RIO Input-to-output Isolation Resistance VIO=500V, (note1) 100

gohm
VCE(SAT) Collector-emitter Saturation Voltage IF=5mA, IC=2mA
0.8 1 V
CIO Capacitance Input to Output f=1MHz (note1)
0.5
pF
TON Output Turn-on Time VCE=10V, IC=10mA
105
µS
TOFF Output Turn-off Time RL=100ohm
60
µS
TON Output Turn-on Time IF=10mA, VCC=5.0V
10
µS
TOFF Output Turn-off Time RL=10k ohm
700
µS

Notes

1. Measured with input leads shorted together and output leads shorted together.

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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