Datasheet

Document Number: 81181 For technical questions, contact: [e-mail]
www.vishay.com
Rev. 1.2, 07-Jan-10 155
4N35, 4N36, 4N37
Optocoupler, Phototransistor Output,
with Base Connection
Vishay Semiconductors
Note
(1)
Indicates JEDEC registered values.
Note
(1)
Indicates JEDEC registered values.
TYPICAL CHARACTERISTICS
T
amb
= 25 °C, unless otherwise specied
Fig. 1 - Forward Voltage vs. Forward Current
Fig. 2 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
Fig. 3 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
Fig. 4 - Normalized Non-Saturated and Saturated CTR vs.
LED Current
CURRENT TRANSFER RATIO
PARAMETER TEST CONDITION PART SYMBOL MIN TYP. MAX UNIT
DC current transfer ratio
(1)
V
CE
= 10 V, I
F
= 10 mA
4N35 CTR
DC
100 %
4N36 CTR
DC
100 %
4N37 CTR
DC
100 %
V
CE
= 10 V, I
F
= 10 mA,
T
A
= - 55 °C to + 100 °C
4N35 CTR
DC
40 50 %
4N36 CTR
DC
40 50 %
4N37 CTR
DC
40 50 %
SWITCHING CHARACTERISTICS
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Switching time
(1)
V
CC
= 10 V, I
C
= 2 mA, R
L
= 100 Ω t
on
, t
off
10 μs
i4n25_01
1001010.1
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
I
F
- Forward Current (mA)
V
F
-Forward Voltage (V)
T
A
= - 55 °C
T
A
= 25 °C
T
A
= 85 °C
i4n25_02
0.0
0.5
1.0
1.5
0 10 100
I
F
- LED Current (mA)
NCTR
NCTR(SAT)
NCTR - Normalized CTR
CTR
CE(sat)
= 0.4 V
V
CE
= 10 V, I
F
= 10 mA, T
A
= 25 °C
T
A
= 25 °C
Normalized to:
1
i4n25_03
1001010.1
0.0
0.5
1.0
1.5
I
F
- LED Current (mA)
N
CTR
- Normalized CTR
CTR
CE(sat)
V
CE
= 0.4 V
NCTR
NCTR(SAT)
T
A
= 50 °C
Normalized to:
V
CE
= 10 V, I
F
= 10 mA, T
A
= 25 °C
i4n25_04
1001010.1
0.0
0.5
1.0
1.5
I
F
- LED Current (mA)
NCTR - Normalized CTR
NCTR
NCTR(SAT)
T
A
= 70 °C
Normalized to:
CTR
CE(sat)
V
CE
= 0.4 V
V
CE
= 10 V, I
F
= 10 mA, T
A
= 25 °C