Hutton Close, Crowther Ind Est, Washington, Tyne & Wear NE38 0AH, England
mailto:sales@isocom.uk.com - Tel: +44 (0)191 4166546 - Fax: +44 (0)191 4155055
Circuit
Description
Absolute Maximum Ratings
Electrical Characteristics
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IS21-2 A, IS21-2 B, IS21-2 C
PHOTON COUPLED INTERRUPTER
Circuit
Description
The IS21-2 Series 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.
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
7V
100mA
150mW
2.0mW/°C above 25°C
Electro-optical Characteristics (Ta=25°C)
INPUT
PARAMETER
CONDITIONS
MIN
MAX
UNIT
CI
Capacitance
V=0 , f=1MHz
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
IC=1mA
30
V
OUTPUT
V (BR) ECO
Breakdown Voltage
IE=100µA
7
V
lCEO
Collector Dark Current
VCE=25V
100
nA
CCE
Capacitance
VCE=5V, f=1MHz
8
pF
COUPLED ELECTRICAL CHARACTERISTICS (25°C) (note 1)
PARAMETER
CONDITIONS
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
IS21-2A
IS21-2B
IS21-2C
ICE(ON)
IF=2mA, VCE=1.5V
0.5
mA
ICE(ON)
IF=5mA, VCE=1.5V
2.5
mA
ICE(ON)
IF=10mA, VCE=1.5V
7.5
mA
VCE(SAT)
IF=10mA, IC=1.8mA
1
V
1
1
VCE(SAT)
IF=60mA, IC=50mA
V
1.5
1.5
tON
VCC=5V, IF=10mA, RL=750ohm
µs
45
45
VCC=5V, IF=60mA, RL=75ohm
µs
7
7
tOFF
VCC=5V, IF=10mA, RL=750ohm
µs
250
250
VCC=5V, IF=60mA, RL=75ohm
µs
45
45
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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