Datasheet

Document Number: 81865 For technical questions, contact: [e-mail]
www.vishay.com
Rev. 1.2, 15-Feb-11 3
4N32, 4N33
Optocoupler, Photodarlington
Output, High Gain, with Base
Connection
Vishay Semiconductors
Note
• As per IEC 60747-5-2, § 7.4.3.8.1, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance with
the safety ratings shall be ensured by means of protective circuits.
TYPICAL CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
Fig. 1 - Normalized Non-Saturated and Saturated CTR
CE
vs.
LED Current
Fig. 2 - Normalized Non-Saturated and Saturated Collector Emitter
Current vs. LED Current
CURRENT TRANSFER RATIO
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Current transfer ratio V
CE
= 10 V, I
F
= 10 mA CTR 500 %
SWITCHING CHARACTERISTICS
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Turn-on time V
CC
= 10 V, I
C
= 50 mA t
on
5μs
Turn-off time I
F
= 200 mA, R
L
= 180  t
off
100 μs
SAFETY AND INSULATION RATINGS
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Climatic classification
(according to IEC 68 part 1)
55/100/21
Comparative tracking index CTI 175 399
V
IOTM
8000 V
V
IORM
890 V
P
SO
700 mW
I
SI
400 mA
T
SI
175 °C
Creepage distance Standard DIP-6 7 mm
Clearance distance Standard DIP-6 7 mm
Creepage distance 400 mil DIP-6 8 mm
Clearance distance 400 mil DIP-6 8 mm
Insulation thickness,
reinforced rated
per IEC 60950 2.10.5.1 0.4 mm
i4n32-33_02
0.1 1 10 100 1000
0.0
0.2
0.4
0.6
0.8
1.0
1.2
V
CE
= 5 V
I
F
- LED Current (mA)
NCTR
CE
- Normalized CTR
CE
V
CE
= 5 V
I
F
= 10 mA
T
A
= 25 °C
Normalized to:
V
CE
= 1 V
i4n32-33_03
100
10.1
0.001
0.01
0.1
1
10
I
F
- LED Current (mA)
NI
CE
- Normalized I
CE
10
V
CE
= 5 V
I
F
= 10 mA
T
A
= 25 °C
Normalized to:
V
CE
= 5 V
V
CE
= 1 V