4N28 Fairchild Optoelectronics Group, 4N28 Datasheet - Page 6

• Manufacturer Part Number: 4N28
• Description: OPTOCOUPLER TRANS-OUT 6-DIP
• Manufacturer: Fairchild Optoelectronics Group

Specifications of 4N28

• Number Of Channels: 1
• Input Type: DC
• Voltage - Isolation: 5300Vrms
• Current Transfer Ratio (min): 10% @ 10mA
• Voltage - Output: 30V
• Current - Dc Forward (if): 100mA
• Vce Saturation (max): 500mV
• Output Type: Transistor with Base
• Mounting Type: Through Hole
• Package / Case: 6-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• Current Transfer Ratio (max): -
• Other names: 4N28QT; 4N28QT

© 2003 Fairchild Semiconductor Corporation
TYPICAL PERFORMANCE CURVES
4N25
4N37
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
-75
1
0
V
T
Fig. 1 LED Forward Voltage vs. Forward Current
Fig. 5 Normalized CTR vs. Ambient Temperature
Normalized to
I
T
A
CE
F
A
= 25°C
= 10 mA
Fig.3 Normalized CTR vs. Forward Current
= 25°C
H11A1
= 5.0V
-50
4N26
I
F
T
- LED FORWARD CURRENT (mA)
-25
A
5
I
F
- AMBIENT TEMPERATURE (°C)
- FORWARD CURRENT (mA)
(Black Package)
(Black Package)
I
(Black Package)
F
= 20 mA
0
T
T
T
A
A
A
I
F
= -55°C
= 25°C
= 100°C
= 10 mA
10
25
10
I
F
= 5 mA
50
PHOTOTRANSISTOR OPTOCOUPLERS
H11A2
Normalized to
I
F
4N27
75
15
= 10 mA
100
Page 6 of 15
125
100
20
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
GENERAL PURPOSE 6-PIN
H11A3
-60
0
4N28
1
Fig. 6 Normalized CTR vs. Ambient Temperature
T
V
Fig. 2 LED Forward Voltage vs. Forward Current
A
CE
Fig.4 Normalized CTR vs. Forward Current
= 25°C
2
-40
= 5.0V
Normalized to
I
T
F
A
= 10 mA
4
= 25°C
I
T
F
-20
A
- LED FORWARD CURRENT (mA)
I
- AMBIENT TEMPERATURE (°C)
F
6
- FORWARD CURRENT (mA)
(White Package)
(White Package)
I
(White Package)
F
0
= 20 mA
8
I
F
= 10 mA
20
10
10
H11A4
T
T
T
I
4N35
A
A
A
F
= -55°C
= 25°C
= 100°C
= 5 mA
12
40
14
60
Normalized to
I
F
16
= 10 mA
80
18
100
100
20
H11A5
4N36
5/7/03