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GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37
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.

4N26 H11A1

4N27 H11A2

4N28 H11A3

4N35 H11A4

4N36 H11A5

FEATURES
· 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) · Also available in white package by specifying -M suffix, eg. 4N25-M except H11A2, H11A4 and H11A5
1

SCHEMATIC
6

2

5

3

NC

4

APPLICATIONS
· Power supply regulators · Digital logic inputs · Microprocessor inputs

PIN 1. ANODE 2. CATHODE 3. NO CONNECTION 4. EMITTER 5. COLLECTOR 6. BASE

WHITE PACKAGE (-M SUFFIX)

BLACK PACKAGE (NO -M SUFFIX)

6 1 6 1 6 1

6 1 6 1 6 1

ABSOLUTE MAXIMUM RATINGS

(TA = 25°C unless otherwise specified) Symbol TSTG TOPR TSOL PD IF VR IF(pk) PD VCEO VCBO VECO PD
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Parameter TOTAL DEVICE Storage Temperature Operating Temperature Lead Solder Temperature Total Device Power Dissipation @ TA = 25°C Derate above 25°C EMITTER DC/Average Forward Input Current Reverse Input Voltage Forward Current - Peak (300µs, 2% Duty Cycle) LED Power Dissipation @ TA = 25°C Derate above 25°C DETECTOR Collector-Emitter Voltage Collector-Base Voltage Emitter-Collector Voltage Detector Power Dissipation @ TA = 25°C Derate above 25°C
2001 Fairchild Semiconductor Corporation DS300197 7/25/01

Value -55 to +150 -55 to +100 260 for 10 sec 250 3.3 (non-M), 2.94 (-M) 100 (non-M), 60 (-M) 6 3 150 (non-M), 120 (-M) 2.0 (non-M), 1.41 (-M) 30 70 7 150 2.0 (non-M), 1.76 (-M)

Units °C °C °C mW mA V A mW mW/°C V V V mW mW/°C
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GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

ELECTRICAL CHARACTERISTICS

(TA = 25°C Unless otherwise specified.)

INDIVIDUAL COMPONENT CHARACTERISTICS
Parameter EMITTER Input Forward Voltage Reverse Leakage Current DETECTOR Collector-Emitter Breakdown Voltage Collector-Base Breakdown Voltage Emitter-Collector Breakdown Voltage Collector-Emitter Dark Current Collector-Base Dark Current Capacitance Test Conditions (IF = 10 mA) (VR = 6.0 V) (IC = 1.0 mA, IF = 0) (IC = 100 µA, IF = 0) (IE = 100 µA, IF = 0) (VCE = 10 V, IF = 0) (VCB = 10 V) (VCE = 0 V, f = 1 MHz) Symbol VF IR BVCEO BVCBO BVECO ICEO ICBO CCE 8 30 70 7 Min Typ** 1.18 0.001 100 120 10 1 50 20 Max 1.50 10 Unit V µA V V V nA nA pF

ISOLATION CHARACTERISTICS
Characteristic Input-Output Isolation Voltage Isolation Resistance Isolation Capacitance Test Conditions (Non-'M', Black Package) (f = 60 Hz, t = 1 min) (`-M', White Package) (f = 60 Hz, t = 1 sec) (VI-O = 500 VDC) (VI-O = , f = 1 MHz) (`-M' White Package) Symbol VISO RISO CISO Min 5300 7500 1011 0.5 0.2 2 pF pF Typ** Max Units Vac(rms)* Vac(pk)

Note * 5300 Vac(rms) for 1 minute equates to approximately 9000 Vac (pk) for 1 second ** Typical values at TA = 25°C

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DS300197

GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

TRANSFER CHARACTERISTICS
DC Characteristic

(TA = 25°C Unless otherwise specified.) Symbol Device 4N35 4N36 4N37 H11A1 H11A5 4N25 4N26 H11A2 H11A3 4N27 4N28 H11A4 4N35 4N36 4N37 4N35 4N36 4N37 4N25 4N26 4N27 4N28 4N35 4N36 4N37 H11A1 H11A2 H11A3 H11A4 H11A5 4N25 4N26 4N27 4N28 H11A1 H11A2 H11A3 H11A4 H11A5 Min 100 50 30 Typ** Max Unit

Test Conditions

(IF = 10 mA, VCE = 10 V) Current Transfer Ratio, Collector to Emitter

20 % 10

CTR

(IF = 10 mA, VCE = 10 V, TA = -55°C)

40

(IF = 10 mA, VCE = 10 V, TA = +100°C)

40

(IC = 2 mA, IF = 50 mA)

0.5

Collector-Emitter Saturation Voltage (IC = 0.5 mA, IF = 10 mA)

VCE (SAT)

0.3

V

0.4

AC Characteristic

Non-Saturated Turn-on Time

(IF = 10 mA, VCC = 10 V, RL = 100 ) (Fig.20)

TON

2

µs

** Typical values at TA = 25°C

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GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

TRANSFER CHARACTERISTICS (Cont.)
AC Characteristic Non Saturated Turn-on Time Test Conditions (IC = 2 mA, VCC = 10 V, RL = 100 ) (Fig.20) Symbol TON Device 4N35 4N36 4N37 4N25 4N26 4N27 (IF = 10 mA, VCC = 10 V, RL = 100 ) (Fig.20) Turn-off Time 4N28 TOFF H11A1 H11A2 H11A3 H11A4 H11A5 (IC = 2 mA, VCC = 10 V, RL = 100 ) (Fig.20) 4N35 4N36 4N37 2 10 2 µs 2 10 µs Min Typ** Max Unit

** Typical values at TA = 25°C

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DS300197

GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

TYPICAL PERFORMANCE CURVES
Fig. 1 LED Forward Voltage vs. Forward Current (Black Package)
1.8 1.8

Fig. 2 LED Forward Voltage vs. Forward Current (White Package)

1.7

1.7

VF - FORWARD VOLTAGE (V)

1.6

VF - FORWARD VOLTAGE (V)

1.6

1.5

1.5

1.4 TA = 55°C 1.3 TA = 25°C

1.4 TA = 55°C 1.3 TA = 25°C 1.2 TA = 100°C

1.2

1.1

TA = 100°C

1.1

1.0 1 10 100

1.0 1 10 100

IF - LED FORWARD CURRENT (mA)

IF - LED FORWARD CURRENT (mA)

Fig.3 Normalized CTR vs. Forward Current (Black Package)
1.4 VCE = 5.0V TA = 25°C 1.2 Normalized to IF = 10 mA 1.6

Fig.4 Normalized CTR vs. Forward Current (White Package)
VCE = 5.0V TA = 25°C Normalized to IF = 10 mA

1.4

1.2 1.0

NORMALIZED CTR

NORMALIZED CTR
0 5 10 15 20

1.0

0.8

0.8

0.6

0.6

0.4

0.4 0.2

0.2

0.0

0.0 0 2 4 6 8 10 12 14 16 18 20

IF - FORWARD CURRENT (mA)

IF - FORWARD CURRENT (mA)

Fig. 5 Normalized CTR vs. Ambient Temperature (Black Package)
1.6 1.4

Fig. 6 Normalized CTR vs. Ambient Temperature (White Package)

1.4

IF = 5 mA

1.2 IF = 5 mA

NORMALIZED CTR

1.2 IF = 10 mA 1.0

NORMALIZED CTR

1.0 IF = 10 mA 0.8

0.8

0.6

IF = 20 mA

0.6

Normalized to IF = 10 mA TA = 25°C

0.4 IF = 20 mA

Normalized to IF = 10 mA TA = 25°C

0.4 -75 -50 -25 0 25 50 75 100 125

0.2 -60 -40 -20 0 20 40 60 80 100

TA - AMBIENT TEMPERATURE (°C)

TA - AMBIENT TEMPERATURE (°C)

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GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

Fig. 7 CTR vs. RBE (Unsaturated) (Black Package)
1.0 1.0

Fig. 8 CTR vs. RBE (Unsaturated) (White Package)
NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN))
0.9 0.8 IF = 10 mA 0.7 IF = 5 mA 0.6 0.5 0.4 0.3 0.2 VCE= 5.0 V 0.1 0.0

NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN))

0.9 0.8 IF = 20 mA 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 10 100 1000 IF = 5 mA IF = 10 mA VCE= 5.0 V

IF = 20 mA

10

100

1000

RBE- BASE RESISTANCE (k)

RBE- BASE RESISTANCE (k)

Fig. 9 CTR vs. RBE (Saturated) (Black Package)
1.0 1.0

Fig. 10 CTR vs. RBE (Saturated) (White Package)
NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN))

NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN))

0.9 VCE= 0.3 V 0.8 IF = 20 mA 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 10 100 1000 IF = 5 mA IF = 10 mA

0.9 VCE= 0.3 V 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 10 100 1000 IF = 5 mA IF = 10 mA IF = 20 mA

RBE- BASE RESISTANCE (k )

RBE- BASE RESISTANCE (k )

Fig. 11 Collector-Emitter Saturation Voltage vs Collector Current (Black Package)
VCE (SAT) - COLLECTOR-EMITTER SATURATION VOLTAGE (V)
100

Fig. 12 Collector-Emitter Saturation Voltage vs Collector Current (White Package)
VCE (SAT) - COLLECTOR-EMITTER SATURATION VOLTAGE (V)
100

TA = 25°C 10

10

1

1 IF = 2.5 mA 0.1

IF = 2.5 mA 0.1

0.01

IF = 10 mA IF = 5 mA

IF = 20 mA

0.01 IF = 5 mA IF = 10 mA

IF = 20 mA

TA = 25°C 0.1 1 10

0.001 0.01

0.001 0.01

0.1

1

10

IC - COLLECTOR CURRENT (mA)

IC - COLLECTOR CURRENT (mA)

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DS300197

GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

Fig. 13 Switching Speed vs. Load Resistor (Black Package)
1000 IF = 10 mA VCC = 10 V TA = 25°C 1000

Fig. 14 Switching Speed vs. Load Resistor (White Package)

IF = 10 mA VCC = 10 V TA = 25°C

SWITCHING SPEED - (µs)

Toff 10 Tf Ton

SWITCHING SPEED - (µs)

100

100

10

Toff

Tf

Ton
1

1

Tr

Tr

0.1 0.1 1 10 100

0.1 0.1 1 10 100

R-LOAD RESISTOR (k)

R-LOAD RESISTOR (k)

Fig. 15 Normalized ton vs. RBE (Black Package)
5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 10 100 1000 10000 100000 VCC = 10 V IC = 2 mA RL = 100 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 10

Fig. 16 Normalized ton vs. RBE (White Package)

NORMALIZED ton - (ton(RBE) / ton(open))

NORMALIZED ton - (ton(RBE) / ton(open))

VCC = 10 V IC = 2 mA RL = 100

100

1000

10000

100000

RBE- BASE RESISTANCE (k )

RBE- BASE RESISTANCE (k )

Fig. 17 Normalized toff vs. RBE (Black Package)
1.4 1.3 1.4 1.3

Fig. 18 Normalized toff vs. RBE (White Package)

NORMALIZED toff - (toff(RBE) / toff(open))

NORMALIZED toff - (toff(RBE) / toff(open))

1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 10 100 1000 10000 100000 VCC = 10 V IC = 2 mA RL = 100

1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 10 100 1000 10000 100000 VCC = 10 V IC = 2 mA RL = 100

RBE- BASE RESISTANCE (k )

RBE- BASE RESISTANCE (k )

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GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

Fig. 19 Dark Current vs. Ambient Temperature
10000

ICEO - COLLECTOR -EMITTER DARK CURRENT (nA)

VCE = 10 V TA = 25°C 1000

100

10

1

0.1

0.01

0.001 0 20 40 60 80 100

TA - AMBIENT TEMPERATURE (°C)

TEST CIRCUIT
VCC = 10V

WAVE FORMS

INPUT PULSE

IF INPUT RBE

IC

RL
10% 90% tr ton Adjust IF to produce IC = 2 mA tf toff OUTPUT PULSE

OUTPUT

Figure 20. Switching Time Test Circuit and Waveforms

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DS300197

GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

Black Package (No -M Suffix)
Package Dimensions (Through Hole)
PIN 1 ID.

Package Dimensions (Surface Mount)
0.350 (8.89) 0.330 (8.38)

3 0.270 (6.86) 0.240 (6.10)

2

1

PIN 1 ID.

0.270 (6.86) 0.240 (6.10)

SEATING PLANE

0.350 (8.89) 0.330 (8.38) 0.070 (1.78) 0.045 (1.14)

4

5

6

0.070 (1.78) 0.045 (1.14)

0.300 (7.62) TYP

0.200 (5.08) 0.135 (3.43)

0.200 (5.08) 0.165 (4.18) 0.020 (0.51) MIN 0.016 (0.40) 0.008 (0.20) 0.022 (0.56) 0.016 (0.41) 0.300 (7.62) TYP 0.020 (0.51) MIN 0.100 (2.54) TYP

0.016 (0.41) 0.008 (0.20)

0.154 (3.90) 0.100 (2.54)

0.016 (0.40) MIN 0.315 (8.00) MIN 0.405 (10.30) MAX

0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP

0° to 15°

Lead Coplanarity : 0.004 (0.10) MAX

Package Dimensions (0.4"Lead Spacing)

Recommended Pad Layout for Surface Mount Leadform

0.270 (6.86) 0.240 (6.10)

0.070 (1.78)

0.060 (1.52)
0.350 (8.89) 0.330 (8.38) 0.070 (1.78) 0.045 (1.14)

0.415 (10.54)

0.100 (2.54) 0.030 (0.76)

SEATING PLANE

0.295 (7.49)
0.200 (5.08) 0.135 (3.43)

0.154 (3.90) 0.100 (2.54)

0.004 (0.10) MIN

0.016 (0.40) 0.008 (0.20)

0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP

0° to 15° 0.400 (10.16) TYP

NOTE All dimensions are in inches (millimeters)

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GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

White Package (-M Suffix)
Package Dimensions (Through Hole)
0.350 (8.89) 0.320 (8.13)

Package Dimensions (Surface Mount)
0.350 (8.89) 0.320 (8.13)

0.260 (6.60) 0.240 (6.10)

0.260 (6.60) 0.240 (6.10)

0.390 (9.90) 0.332 (8.43)

0.070 (1.77) 0.040 (1.02)

0.070 (1.77) 0.040 (1.02) 0.014 (0.36) 0.010 (0.25) 0.320 (8.13) 0.014 (0.36) 0.010 (0.25)

0.320 (8.13)

0.200 (5.08) 0.115 (2.93)

0.200 (5.08) 0.115 (2.93)

0.012 (0.30) 0.008 (0.20)

0.100 (2.54) 0.015 (0.38) 0.020 (0.50) 0.016 (0.41) 0.100 (2.54) 15° 0.012 (0.30)

0.025 (0.63) 0.020 (0.51) 0.020 (0.50) 0.016 (0.41)

0.100 [2.54] 0.035 (0.88) 0.006 (0.16)

Package Dimensions (0.4"Lead Spacing)
0.350 (8.89) 0.320 (8.13)

Recommended Pad Layout for Surface Mount Leadform

0.260 (6.60) 0.240 (6.10)

0.070 (1.78)

0.060 (1.52)

0.070 (1.77) 0.040 (1.02)

0.014 (0.36) 0.010 (0.25)

0.425 (10.79)

0.100 (2.54) 0.305 (7.75) 0.030 (0.76)

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)

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DS300197

GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

ORDERING INFORMATION
Order Entry Identifier Black Package (No Suffix)
.S .SD .W .300 .300W .3S .3SD

White Package (-m Suffix)
S SR2 T V TV SV SR2V

Option
Surface Mount Lead Bend Surface Mount; Tape and reel 0.4" Lead Spacing VDE 0884 VDE 0884, 0.4" Lead Spacing VDE 0884, Surface Mount VDE 0884, Surface Mount, Tape & Reel

QT Carrier Tape Specifications ("D" Taping Orientation) (Black Package, No Suffix)
12.0 ± 0.1 4.85 ± 0.20 4.0 ± 0.1 0.30 ± 0.05 4.0 ± 0.1 Ø1.55 ± 0.05 1.75 ± 0.10

7.5 ± 0.1 13.2 ± 0.2 16.0 ± 0.3 9.55 ± 0.20

0.1 MAX

10.30 ± 0.20

Ø1.6 ± 0.1

User Direction of Feed

QT Carrier Tape Specifications ("D" Taping Orientation) (White Package, -M Suffix)
12.0 ± 0.1 4.5 ± 0.20 2.0 ± 0.05 0.30 MAX 4.0 ± 0.1 Ø1.5 MIN 1.75 ± 0.10

11.5 ± 1.0 21.0 ± 0.1 24.0 ± 0.3 9.1 ± 0.20

0.1 MAX

10.1 ± 0.20

Ø1.5 ± 0.1/-0

User Direction of Feed

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GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
4N25 4N37 4N26 H11A1 4N27 H11A2 4N28 H11A3 4N35 H11A4 4N36 H11A5

DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body,or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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DS300197