Document Number: 83640
For technical questions, contact: optocoupler.answers@vishay.com
www.vishay.com
Rev. 1.6, 09-Jan-08
1
Optocoupler, Phototransistor Output
(Single, Dual, Quad Channel)
IL74/ILD74/ILQ74
Vishay Semiconductors
DESCRIPTION
The IL74/ILD74/ILQ74 is an optically coupled pair with a
GaAIAs infrared LED and a silicon NPN phototransistor.
Signal information, including a DC level, can be transmitted
by the device while maintaining a high degree of electrical
isolation between input and output.The IL74/ILD74/ILQ74 is
especially for driving medium-speed logic, where it may be
used to eliminate troublesome ground loop and noise
problems. Also it can be used to replace relays and
transformers in many digital interface applications, as well as
analog applications such as CTR modulation.
The ILD74 has two isolated channels in a single DIP
package; the ILQ74 has four isolated channels per package.
FEATURES
IL74/ILD74/ILQ74 TTL compatible
Transfer ratio, 35 % typical
Coupling capacitance, 0.5 pF
Single, dual, and quad channel
Industry standard DIP packages
Lead (Pb)-free component
Component in accordance to RoHS 2002/95/EC and
WEEE 2002/96/EC
AGENCY APPROVALS
UL1577, file no. E52744 system code H or J, double
protection
CSA 93751
BSI IEC 60950; IEC 60065
DIN EN 60747-5-2 (VDE 0884)/DIN EN 60747-5-5 pending
available with option 1, X001 suffix
FIMKO
Note
For additional information on the available options refer to option information.
i179015
1
2
3
6
5
4
B
C
E
A
C
NC
1
2
3
4
8
7
6
5
E
C
E
A
C
A
C
A
C
A
E
C
E
C
E
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
Single Channel
Dual Channel
Quad Channel
ORDER INFORMATION
PART
REMARKS
IL74
CTRDC > 12.5 %, single channel DIP-6
ILD74
CTRDC > 12.5 %, dual channel DIP-8
ILQ74
CTRDC > 12.5 %, quad channel DIP-16
IL74-X006
CTRDC > 12.5 %, single channel DIP-6 400 mil (option 6)
ILD74-X006
CTRDC > 12.5 %, dual channel DIP-8 400 mil (option 6)
ILD74-X007
CTRDC > 12.5 %, dual channel SMD-8 (option 7)
ILD74-X009
CTRDC > 12.5 %, dual channel SMD-8 (option 9)
ILQ74-X009
CTRDC > 12.5 %, dual channel SMD-16 (option 9)