Photocoupler
Product Data Sheet
4N35/ 4N37
(M, S, S-TA1)
Spec No.: DS-70-99-0012
Effective Date: 12/13/2011
Revision: C
LITE-ON DCC
RELEASE
BNS-OD-FC001/A4
LITE-ON Technology Corp. / Optoelectronics
No.90,Chien 1 Road, Chung Ho, New Taipei City 23585, Taiwan, R.O.C.
Tel: 886-2-2222-6181 Fax: 886-2-2221-1948 / 886-2-2221-0660
http://www.liteon.com/opto
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
FEATURES
* High crrent transfer ratio
( CTR : MIN. 100% at IF = 10mA, VCE = 10V )
* Response time
( ton : TYP. 3s at VCC = 10V, IC = 2mA, RL = 100 )
* Input-output isolation voltage
4N35 series : Viso = 3,550Vrms
4N37 series : Viso = 1,500Vrms
* Dual-in-line package :
4N35, 4N37
* Wide lead spacing package :
4N35M, 4N37M
* Surface mounting package :
4N35S, 4N37S
* Tape and reel packaging :
4N35S-TA1, 4N37S-TA1
* Safety approval
UL& cUL, VDE, FIMKO, CQC approved
* RoHS compliant
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page :
1 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
OUTLINE DIMENSIONS
4N35 :
4N37 :
*1. Year date code.
*2. 2-digit work week.
*3. Factory identification mark shall be marked
(Y : Thailand, X : China-TJ, W : China-CZ)
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page :
2 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
OUTLINE DIMENSIONS
4N35M :
4N37M :
*1. Year date code.
*2. 2-digit work week.
*3. Factory identification mark shall be marked
(Y : Thailand, X : China-TJ, W : China-CZ)
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page :
3 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
OUTLINE DIMENSIONS
4N35S :
4N37S :
*1. Year date code.
*2. 2-digit work week.
*3. Factory identification mark shall be marked
(Y : Thailand, X : China-TJ, W : China-CZ)
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page :
4 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
TAPING DIMENSIONS
4N35S-TA1 , 4N37S-TA1 :
Description
Tape wide
Pitch of sprocket holes
Distance of compartment
Distance of compartment to compartment
Symbol
W
P0
F
P2
P1
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Dimensions in mm ( inches )
16  0.3 ( .63 )
4  0.1 ( .15 )
7.5  0.1 ( .295 )
2  0.1 ( .079 )
12  0.1 ( .472 )
Page :
5 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
ABSOLUTE MAXIMUM RATING
( Ta = 25C )
PARAMETER
INPUT
OUTPUT
SYMBOL
RATING
UNIT
Forward Current
IF
60
mA
Reverse Voltage
VR
6
V
Power Dissipation
P
100
mW
Collector - Emitter Voltage
VCEO
30
V
Emitter - Collector Voltage
VECO
7
V
Collector - Base Voltage
VCBO
70
V
Collector Current
IC
100
mA
Collector Power Dissipation
PC
300
mW
Ptot
350
mW
Total Power Dissipation
4N35 series
*1 Isolation Voltage
3550
Viso
4N37 series
Vrms
1500
Operating Temperature
Topr
-55 ~ +100
C
Storage Temperature
Tstg
-55 ~ +150
C
Tsol
260
C
*2 Soldering Temperature
*1. AC For 1 Minute, R.H. = 40 ~ 60%
Isolation voltage shall be measured using the following method.
(1) Short between anode and cathode on the primary side and between collector,
emitter and base on the secondary side.
(2) The isolation voltage tester with zero-cross circuit shall be used.
(3) The waveform of applied voltage shall be a sine wave.
*2. For 10 Seconds
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page :
6 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
ELECTRICAL - OPTICAL CHARACTERISTICS
( Ta = 25C )
PARAMETER
INPUT
SYMBOL MIN. TYP. MAX. UNIT
CONDITIONS
Forward Voltage
VF
—
1.2
1.5
V
IF=10mA
Reverse Current
IR
—
—
10
A
VR=4V
Terminal Capacitance
Ct
—
50
—
pF
V=0, f=1KHz
—
—
50
nA
VCE=10V, IF=0
—
—
500
A
VCE=30V, IF=0
Collector Dark
Current
Ta=25C
ICEO
Ta=100C
Collector-Emitter
Breakdown Voltage
BVCEO
30
—
—
V
IC=0.1mA
IF=0
Emitter-Collector
Breakdown Voltage
BVECO
7
—
—
V
IE=10A
IF=0
Collector-Base
Breakdown Voltage
BVCBO
70
—
—
V
IC=0.1mA
IF=0
IC
10
—
—
mA
CTR
100
—
—
%
Collector-Emitter
Saturation Voltage
VCE(sat)
—
—
0.3
V
IF=50mA
IC=2mA
Isolation Resistance
Riso
—

DC500V
40 ~ 60% R.H.
Floating Capacitance
Cf
—
1
2.5
pF
V=0, f=1MHz
Response Time (Turn-on)
ton
—
3
10
s
Response Time (Turn-off)
toff
—
3
10
s
OUTPUT
Collector Current
* Current Transfer Ratio
TRANSFER
51010 11011
CHARACTERISTICS
* CTR 
IC
IF=10mA
VCE=10V
VCC=10V, IC=2mA
RL=100
 100%
IF
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page :
7 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
CHARACTERISTICS CURVES
F ig .1 F o rw a rd C u rre n t vs. A m b ie n t
F ig .2 C o lle cto r P o w e r D issip a tio n vs.
T e m p e ra tu re
A m b ie n t T e m p e ra tu re
C o llec to r Po w er d issip atio n Pc (m W)
Fo rw ard c urrent I F (m A)
100
80
60
40
20
0
-55
-25
0
25
50
75
400
300
200
100
0
-55
100 125
-25
0
25
50
75
100 125
o
o
Am b ient tem p erature Ta ( C )
Am b ient tem p erature Ta ( C )
F ig .3 F o rw a rd C u rre n t vs. F o rw a rd
F ig .4 C u rre n t T ra n sfe r R a tio vs.
V o lta g e
F o rw a rd C u rre n t
500
C urrent transfer ratio C TR (%)
Fo rw ard c urrent I F(m A)
o
Ta= 75 C
o
50 C
200
o
25 C
o
0 C
o
-25 C
100
50
20
10
5
2
160
0.5
1.0
1.5
2.0
2.5
o
Ta= 25 C
140
120
100
R =
80
60
40
20
100k
0
0.1 0.2 0.5 1
1
0
V = 10V
3.0
Fo rw ard vo ltag e V F (V)
100k
2
5 10 20
50 100
Fo rw ard c urrent I F (m A)
F ig .5 C o lle cto r C u rre n t vs.
F ig .6 R e la tive C u rre n t T ra n sfe r R a tio
C o lle cto r-e m itte r V o lta g e
vs. A m b ie n t T e m p e ra tu re
o
Ta= 25 C
30
C o llec to r c urrent Ic (m A)
10m A
20
5m A
10
2m A
Relative c urrent transfer ratio (%)
150
Pc (M AX.)
I F= 15m A
I F = 10m A
VC E = 10V
100
50
0
0
0
5
10
15
-55
-25
0
25
50
75
100
o
C o llec to r-em itter vo ltag e V (V)
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Am b ient tem p erature Ta ( C )
Page :
8 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
CHARACTERISTICS CURVES
Fig .7 C o llec to r-em itter Saturatio n Vo ltag e
Fig .8 C o llec to r D ark C urrent vs.
vs. Am b ient Tem p erature
Am b ient Tem p erature
-6
10
I F = 50m A
5
C o llec to r d ark c urrent I C EO (A)
C o llec to r-em itter saturatio n vo ltag e
V
(sat) (V)
0.12
Ic = 2m A
0.10
0.08
0.06
0.04
0.02
V = 10V
-7
10
5
-8
10
5
-9
10
5
-10
10
5
-11
10
5
-12
10
5
-13
0
-55
10
-25
0
25
50
75
100
-55
-25
20
40
60
100 100 125
o
o
Am b ient tem p erature Ta ( C )
Am b ient tem p erature Ta ( C )
Fig .9 Resp o nse Tim e vs. Lo ad
Fig .10 Freq uenc y Resp o nse
Resistanc e
200
5
V = 10V
Ic = 2m A
o
Ta= 25 C
V = 5V
Ic = 2m A
o
Ta= 25 C
tf
tr
Vo ltag e g ain Av (d B )
Resp o nse tim e ( s)
100
50
td
20
10
5
2
ts
1
0
-5
R L = 10k
100
-10
1k
-15
0.5
0.2
0.05
-20
0.1 0.2 0.5 1
2
5
10 20
Lo ad resistanc e R L (k
50
0.5 1
2
5
)
10 20
50 100 200 500
Freq uenc y f (kH z)
Fig .11 C o llec to r-em itter Saturatio n
Test C irc uit fo r Resp o nse Tim e
Vo ltag e vs. Fo rw ard C urrent
C o llec to r-em itter saturatio n vo ltag e
VC E (sat)
7
Ic = 0.5m A
1m A
6
Vc c
Inp ut
O utp ut
o
Ta= 25 C
Inp ut
RD
RL
10%
O utp ut
2m A
90%
5
3m A
5m A
4
ts
td
7m A
tr
3
tf
Test C irc uit fo r Freq uenc y Resp o nse
2
Vc c
1
RD
RL
O utp ut
0
0
5
10
15
Fo rw ard c urrent I F (m A)
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page :
9 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
RECOMMENDED FOOT PRINT PATTERNS (MOUNT PAD)
Unit : mm
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
BNS-OD-C131/A4
Page : 10 of 11
LITE - O N TECH NO LO G Y CO RP O RATIO N
Property of LITE-ON Only
Notes:
- Lite-On is continually improving the quality, reliability, function or design and
Lite-On reserves the right to make changes without further notices.
- The products shown in this publication are designed for the general use in electronic
applications such as office automation equipment, communications devices,
audio/visual equipment, electrical application and instrumentation.
- For equipment/devices where high reliability or safety is required, such as space
applications, nuclear power control equipment, medical equipment, etc, please
contact our sales representatives.
- When requiring a device for any ”specific” application, please contact our sales in
advice.
- If there are any questions about the contents of this publication, please contact us at
your convenience.
-
The contents described herein are subject to change without prior notice.
-
Immerse the unit’s body into solder paste is not recommended.
Part No. : 4N35 / 4N37 ( M, S, S-TA1 ) (Rev.- October 17 2011)
Page : 11
of 11