ON3731 Panasonic, ON3731 Datasheet
ON3731
Manufacturer Part Number
ON3731
Description
Manufacturer
Panasonic
Datasheet
1.ON3731.pdf
(4 pages)
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Optoisolators (Photocouplers)
CNZ3731, CNC7C501, CNZ3734
CNC2S501, CNC7C502, CNC7H501
Optoisolators
LED which is optically coupled with a Si NPN Darlington
phototransistor, and housed in a small DIL package. The series
provides high I/O isolation voltage and high collector/emitter isolation
voltage, as well as a high current transfer ratio (CTR). This opto
isolator series also includes the two-channel CNC7C501 and the four-
channel CNZ3734, and A type of these models with increased
collector to emitter breakdown voltage (V
CNZ3731
CNC2S501
CNC7C501
CNC7C502
The CNZ3731 series of optoisolators consist of a GaAs infrared
High collector to emitter breakdown voltage : V
A type : V
High current transfer ratio with Darlington phototransistor output :
High I/O isolation voltage : V
Small DIL package for saving mounting space
UL listed (UL File No. E79920)
A-type models have a guaranteed internal insulating distance of 0.4 mm
Applications
Telephones
Telephone exchange
FAX
Programmable controllers
Signal transfer between circuits with different potentials and impedances
CTR = 4000% (typ.)
Overview
Features
Pin Connection
1
2
1
2
3
4
CEO
> 350 V
Top View
Top View
4
3
8
7
6
5
ISO
CNZ3734
CNC7H501
5000 V
1
2
3
4
5
6
7
8
CEO
rms
> 350V).
CEO
> 300 V,
Top View
16
15
14
13
12
11
10
9
CNZ3731/CNC2S501
CNC7C501/CNC7C502
CNZ3734/CNC7H501
LED Mark
LED Mark
LED Mark
1
2
1
2
3
4
1
2
3
4
5
6
7
8
7.62 0.3
7.62 0.3
7.62 0.3
6.2 0.5
6.2 0.5
6.2 0.5
0.5 min.
0.5 min.
0.5 min.
16
15
14
13
12
11
10
4
3
8
7
6
5
9
5.2 max.
5.2 max.
5.2 max.
1 , 3 , 5 , 7 :
2 , 4 , 6 , 8 :
9,11,13,15:
10,12,14,16:
1,3: Anodee
2,4: Cathode
5,7: Emitter
6,8: Collector
1: Anode
2: Cathode
3: Emitter
4: Collector
2.54 min.
2.54 min.
2.54 min.
Unit : mm
Unit : mm
Unit : mm
Anode
Cathode
Emitter
Collector
1
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ON3731 Summary of contents
Page 1
Optoisolators (Photocouplers) CNZ3731, CNC7C501, CNZ3734 CNC2S501, CNC7C502, CNC7H501 Optoisolators Overview The CNZ3731 series of optoisolators consist of a GaAs infrared LED which is optically coupled with a Si NPN Darlington phototransistor, and housed in a small DIL package. The series ...
Page 2
CNZ3731, CNC7C501, CNZ3734, CNC2S501, CNC7C502, CNC7H501 Absolute Maximum Ratings (Ta = 25˚C) Parameter Reverse voltage (DC) Forward current (DC) Input (Light emitting diode) Pulse forward current Power dissipation Collector current Output (Photo Collector to emitter voltage transistor) Emitter to collector ...
Page 3
Optoisolators (Photocouplers) P — 200 150 100 50 0 – 100 125 Ambient temperature Ta (˚ — 25˚ ...
Page 4
CNZ3731, CNC7C501, CNZ3734, CNC2S501, CNC7C502, CNC7H501 V — Ta CE(sat) 1 1mA 2mA C 1.4 1.2 1.0 0.8 0.6 0.4 – 40 – 100 Ambient temperature Ta (˚C ) ...