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GENERAL PURPOSE 6-PIN
PHOTOTRANSISTOR OPTOCOUPLERS
4N25
4N37
4N26
H11A1
4N27
H11A2
WHITE PACKAGE (-M SUFFIX)
6
6
1
6
1
1
BLACK PACKAGE (NO -M SUFFIX)
4N28
H11A3
4N35
H11A4
4N36
H11A5
SCHEMATIC
16
25
3 NC
4
PIN 1. ANODE
2. CATHODE
3. NO CONNECTION
4. EMITTER
5. COLLECTOR
6. BASE
6
16
1
6
1
DESCRIPTION
The general purpose optocouplers consist of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a 6-pin
dual in-line package.
FEATURES
• Also available in white package by specifying -M suffix, eg. 4N25-M
• UL recognized (File # E90700)
• VDE recognized (File # 94766)
- Add option V for white package (e.g., 4N25V-M)
- Add option 300 for black package (e.g., 4N25.300)
APPLICATIONS
• Power supply regulators
• Digital logic inputs
• Microprocessor inputs
© 2003 Fairchild Semiconductor Corporation
Page 1 of 15
5/7/03
1 page
GENERAL PURPOSE 6-PIN
PHOTOTRANSISTOR OPTOCOUPLERS
4N25
4N37
4N26
H11A1
4N27
H11A2
4N28
H11A3
4N35
H11A4
4N36
H11A5
TRANSFER CHARACTERISTICS (TA = 25°C Unless otherwise specified.) (Continued)
AC Characteristic
Test Conditions
Symbol Device Min
Typ*
Max Unit
Turn-off Time
(IF = 10 mA, VCC = 10 V, RL = 100Ω)
(Fig.20)
TOFF
4N25
4N26
4N27
4N28
H11A1
H11A2
H11A3
H11A4
H11A5
2
µs
(IC = 2 mA, VCC = 10 V, RL = 100Ω)
(Fig.20)
4N35
4N36
4N37
2 10
* Typical values at TA = 25°C
© 2003 Fairchild Semiconductor Corporation
Page 5 of 15
5/7/03
5 Page
GENERAL PURPOSE 6-PIN
PHOTOTRANSISTOR OPTOCOUPLERS
4N25
4N37
4N26
H11A1
4N27
H11A2
White Package (-M Suffix)
Package Dimensions (Through Hole)
0.350 (8.89)
0.320 (8.13)
Pin 1 ID
0.260 (6.60)
0.240 (6.10)
4N28
H11A3
4N35
H11A4
4N36
H11A5
Package Dimensions (Surface Mount)
0.350 (8.89)
0.320 (8.13)
PIN 1 ID
0.390 (9.90)
0.260 (6.60) 0.332 (8.43)
0.240 (6.10)
0.070 (1.77)
0.040 (1.02)
0.200 (5.08)
0.115 (2.93)
0.014 (0.36)
0.010 (0.25)
0.100 (2.54)
0.015 (0.38)
0.020 (0.50)
0.016 (0.41)
0.100 (2.54)
0.320 (8.13)
15°
0.012 (0.30)
Package Dimensions (0.4” Lead Spacing)
0.350 (8.89)
0.320 (8.13)
PIN 1 ID
0.260 (6.60)
0.240 (6.10)
0.070 (1.77)
0.040 (1.02)
0.014 (0.36)
0.010 (0.25)
0.200 (5.08)
0.115 (2.93)
0.100 (2.54)
0.015 (0.38)
0.020 (0.50)
0.016 (0.41)
0.100 [2.54]
0.012 (0.30)
0.008 (0.21)
0.425 (10.80)
0.400 (10.16)
NOTE
All dimensions are in inches (millimeters)
0.070 (1.77)
0.040 (1.02)
0.200 (5.08)
0.115 (2.93)
0.025 (0.63)
0.020 (0.51)
0.020 (0.50)
0.016 (0.41)
0.014 (0.36)
0.010 (0.25)
0.320 (8.13)
0.012 (0.30)
0.008 (0.20)
0.100 [2.54]
0.035 (0.88)
0.006 (0.16)
Recommended Pad Layout for
Surface Mount Leadform
0.070 (1.78)
0.060 (1.52)
0.425 (10.79)
0.100 (2.54)
0.305 (7.75)
0.030 (0.76)
© 2003 Fairchild Semiconductor Corporation
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