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Siemens Semiconductor Group - BIDIRECTIONAL INPUT OPTOCOUPLER

Numéro de référence IL255
Description BIDIRECTIONAL INPUT OPTOCOUPLER
Fabricant Siemens Semiconductor Group 
Logo Siemens Semiconductor Group 





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IL255 fiche technique
FEATURES
• AC or Polarity Insensitive Inputs
• Continuous Forward Current, 130 mA
• Applications—Telecommunications
– Ring Detection
– Loop Current Detector
• Built-in Reverse Polarity Input Protection
• Improved CTR Symmetry
• Industry Standard DIP Package
• Underwriters Lab File #E52744
V
DE
VDE Approval #0884 Applied For
DESCRIPTION
The IL255 is a bidirectional input optically cou-
pled isolator consisting of two high current Gal-
lium Arsenide infrared LEDs coupled to a
silicon NPN phototransistor. The IL255 has a
minimum CTR of 20%
This optocoupler is ideal for applications requir-
ing AC signal detection and monitoring.
Maximum Ratings
Emitter
Peak Pulsed Current (1 µs, 300 pps) ........... 3 A
Continuous Forward Current......... 130 mA RMS
Power Dissipation at 25°C .................... 175 mW
Derate Linearly from 25°C ................ 2.3mW/°C
Detector
Collector-Emitter Breakdown Voltage ........ 30 V
Emitter-Base Breakdown Voltage ................ 5 V
Collector-Base Breakdown Voltage ............ 70 V
Power Dissipation at 25°C .................... 200 mW
Derate Linearly from 25°C ................ 2.6 mW/°C
Package
Isolation Test Voltage ................... 5300 VACRMS
Between Emitter and Detector
Refer to Standard Climate
23°C/50%RH, DIN 50014
Creepage...........................................min. 7 mm
Clearance ..........................................min. 7 mm
Isolation Resistance
VIO=500 V, TA=25°C...........................1012
VIO=500 V, TA=100°C.........................1011
Total Dissipation at 25°C....................... 250 mW
Derate Linearly from 25°C ................ 3.3 mW/°C
Storage Temperature ............. –55°C to +150°C
Operating Temperature ......... –55°C to +100°C
Lead Soldering Time at 260°C ...............10 sec.
SINGLE CHANNEL IL255
BIDIRECTIONAL INPUT
OPTOCOUPLER
Package Dimensions in Inches (mm)
.248 (6.30)
.256 (6.50)
.039
(1.00)
min.
4°
typ.
.018 (0.45)
.022 (0.55)
321
4 56
.335 (8.50)
.343 (8.70)
Pin One ID.
Anode/
Cathode
1
Cathode/
Anode
2
NC 3
6 Base
5 Collector
4 Emitter
.300 (7.62)
typ.
.130 (3.30)
.150 (3.81)
.020 (.051) min.
.031 (0.80)
.035 (0.90)
.100 (2.54) Typ.
18° typ.
.010 (.25)
.014 (.35)
.300 (7.62)
.347 (8.82)
.110 (2.79)
.150 (3.81)
Electrical Characteristics (TA=25°C)
Parameter
Min. Typ. Max.
Emitter
Forward Voltage
1.4 1.7
Detector
BVCEO
BVECO
BVCBO
BVEBO
ICEO
Package
30 50
7 10
70
7
5 50
Unit
V
V
V
V
V
nA
Test Condition
IF=± 100 mA
IC=10 mA
IE=10 µA
IC=100 µA
IE=100 µA
VCE=10 V
Parameter
Device
Symbol Min.
Typ. Max.
Unit
Test
Condition
Current
Transfer
Ratio
Current
Transfer
Ratio
Symmetry
Collector-
emitter
Saturation
Voltage
IL255
IL255-1 CTR
IL255-2
IL255
IL255-1
20
20
50
0.33
%
IF=± 10 mA,
VCE=10 V
80
%
IF=± 100 mA,
VCE=2 V
%
IF=± 10 mA,
VCE=10 V
3.0
IF=± 10 mA,
VCE=10 V
IL255-2
0.5 1.0 2.0
IF=± 10 mA,
VCE=10 V
IL255
0.4
V
IF=± 10 mA,
IC=0.5 mA
IL255-1 VCE(sat)
0.1 0.2
V
IF=± 100 mA,
IC=1 mA
IL255-2
0.4
V
IF=± 16 mA,
IC=2 mA
JUNE 1995

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