IL256A
EW
FEATURES
鈥?Guranteed CTR Symmetry, 2:1 Maximum
鈥?Bidirectional AC Input
Industry Standard SOIC-8 Surface
鈥?Mountable Package
鈥?Standard Lead Spacing, .05"
鈥?Available in Tape and Reel Option
(Conforms to EIA Standard RS481A)
DESCRIPTION
The IL256A is an AC input phototransistor optocou-
pler. The device consists of two infrared emitters
connected in anti-parallel and coupled to a silicon
NPN phototransistor detector.
These circuit elements are constructed with a stan-
dard SOIC-8 foot print.
The product is well suited for telecom applications
such as ring detection or off/on hook status, given
its bidirectional LED input and guaranteed current
transfer ratio (CTR) minimum of 20% at I
F
= 10 mA.
Maximum Ratings
Emitter
Continuous Forward Current......................... 60 mA
Power Dissipation at 25
擄
C ........................... 90 mW
Derate Linearly from 25
擄
C ..................... 0.8 mW/
擄
C
Detector
Collector-Emitter Breakdown Voltage .............. 30 V
Emitter-Collector Breakdown Voltage ................ 5 V
Collector-Base Breakdown Voltage ................. 70 V
Power Dissipation ..................................... 150 mW
Derate Linearly from 25
擄
C ..................... 2.0 mW/
擄
C
Package
Total Package Dissipation at 25
擄
C Ambient
(LED + Detector).................................... 240 mW
Derate Linearly from 25
擄
C ..................... 3.1 mW/
擄
C
Storage Temperature .................. 鈥?5
擄
C to +150
擄
C
Operating Temperature ............... 鈥?5
擄
C to +100
擄
C
Soldering Time at 260
擄
C..............................10 sec.
N
AC INPUT PHOTOTRANSISTOR
SMALL OUTLINE
SURFACE MOUNT OPTOCOUPLER
Dimensions in inches (mm)
.120鹵.005
(3.05鹵.13)
.240
(6.10)
Pin One ID
.192鹵.005
(4.88鹵.13)
.004 (.10)
.008 (.20)
.050 (1.27)
typ.
.021 (.53)
Anode/
Cathode
Cathode/
Anode
NC
NC
1
2
3
4
8
7
6
5
C
L
.154鹵.005
(3.91鹵.13)
.016 (.41)
NC
Base
Collector
Emitter
.015鹵.002
(.38鹵.05)
.008 (.20)
40擄
7擄
.058鹵.005
(1.49鹵.13)
.125鹵.005
(3.18鹵.13)
Lead
Coplanarity
鹵.0015
(.04)
max.
5擄 max.
R.010
(.25) max.
.020鹵.004
(.15鹵.10)
2 plcs.
Characteristics
(T
A
=25
擄
C)
Sym-
bol
Emitter
Forward Voltage
Detector
Breakdown Voltage
Collector-Emitter
Emitter-Collector
Collector Base
Leakage Current,
Collector-Emitter
Package
DC Current Transfer
Ratio
Symmetry
CTR at +10mA
CTR
20
0.5
1.0
2.0
%
I
F
=
鹵
10 mA,
V
CE
=5 V
BV
CEO
BV
ECO
BV
CBO
I
CEO
30
5
70
50
10
90
5
50
V
V
V
nA
I
C
=1 mA
I
E
=100
碌
A
I
C
=100
碌
A
V
CE
=10 V
V
F
1.2
1.5
V
I
F
=
鹵
10 mA
Min.
Typ.
Max.
Unit
Condition
CTR at 鈥?0 mA
Saturation Voltage,
Collector-Emitter
Isolation Voltage,
Input to Output
V
CEsat
V
IO
2500
0.4
VAC
RMS
I
F
=
鹵
16 mA,
I
C
=2 mA
5鈥?
INFINEON
1
2
3
