SFH640
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Rev. 1.6, 26-Feb-2019 1Document Number: 83682
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Optocoupler, Phototransistor Output,
With Base Connection, 300 V BVCEO
DESIGN SUPPORT TOOLS AVAILABLE
DESCRIPTION
The SFH640 has a GaAs infrared emitting diode emitter,
which is optically coupled to a silicon planar phototransistor
detector, and is incorporated in a plastic DIP-6 package.
It features a high current transfer ratio, low coupling
capacitance, and high isolation voltage.
The coupling device is designed for signal transmission
between two electrically separated circuits.
FEATURES
• Phototransistor optocoupler in a 6 pin DIP
package with base connection
• Very high collector emitter breakdown voltage,
BVCEO = 300 V
• Isolation rated voltage: 5000 VRMS
• Low coupling capacitance
• High common m;ode transient immunity
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• Telecom
• Industrial controls
• Battery powered equipment
• Office machines
• Programmable controllers
AGENCY APPROVALS
•UL
•cUL
•DIN EN 60747-5-5 (VDE 0884-5) available with option 1
Notes
• Additional options may be possible, please contact sales office
(1) Also available in tubes, do not put T on the end
B
C
E
A
C
NC
1
2
3
6
5
4
23109
3
3
D
D
3
D
3D Models
Design Tools
Related
Documents
ORDERING INFORMATION
SFH640-#X0##T
PART NUMBER CTR
BIN
PACKAGE OPTION TAPE AND
REEL
AGENCY CERTIFIED/PACKAGE CTR (%)
10 mA
UL, cUL 63 to 125 100 to 200
DIP-6 SFH640-2 SFH640-3
SMD-6, option 7 SFH640-2X007 SFH640-3X007T (1)
VDE, UL, cUL 63 to 125 100 to 200
SMD-6, option 9 - SFH640-3X019T (1)
SFH640
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Notes
• Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not
implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute
maximum ratings for extended periods of the time can adversely affect reliability
Fig. 1 - Power Dissipation vs. Ambient Temperature Fig. 2 - Maximum Forward Current vs. Ambient Temperature
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
INPUT
Reverse voltage VR6V
Forward current IF60 mA
Power dissipation Pdiss 100 mW
OUTPUT
Power dissipation Pdiss 150 mW
Collector emitter voltage VCEO 300 V
Collector base voltage VCBO 300 V
Emitter base voltage VEBO 7V
Collector current IC50 mA
Power dissipation Pdiss 150 mW
COUPLER
Storage temperature range Tstg -55 to +125 °C
Operating temperature range Tamb -55 to +100 °C
Soldering temperature t = 10 s Tsld 260 °C
10
100
1000
10000
0
50
100
150
200
0 20406080100120
Axis Title
1st line
2nd line
Pdiss - Power Dissipation (mW)
Tamb - Ambient Temperature (°C)
Phototransistor
IR diode
10
100
1000
10000
0
10
20
30
40
50
60
70
0 20406080100120
Axis Title
1st line
2nd line
2nd line
IF- Forward Current (mA)
Tamb - Ambient Temperature (°C)
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
INPUT
Forward voltage IF = 10 mA VF-1.21.5V
Reverse voltage IR = 10 μA VR6--V
Reverse current VR = 6 V IR-0.0110μA
Capacitance VF = 0 V, f = 1 kHz CI-30-pF
OUTPUT
Collector emitter breakdown voltage ICE = 1 mA, RBE = 1 MΩBVCEO 300 - - V
Voltage emitter base IEB = 10 μA BVBEO 7--V
SFH640
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Rev. 1.6, 26-Feb-2019 3Document Number: 83682
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Note
• Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering
evaluation. Typical values are for information only and are not part of the testing requirements
Note
• As per IEC 60747-5-5, § 7.4.3.8.2, 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 (Tamb = 25 °C, unless otherwise specified)
Fig. 3 - Test Circuit for Switching Characteristics Fig. 4 - Parameter and Limit Definition
COUPLER
Coupling capacitance V = 0 V, f = 1 MHz CIO -0.6- pF
Collector emitter saturation voltage IF = 10 mA, IC = 3.2 mA VCEsat - 0.25 0.4 V
Collector emitter leakage current VCE = 200 V, RBE = 1 MΩICEO - 1 100 nA
CURRENT TRANSFER RATIO (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION PART SYMBOL MIN. TYP. MAX. UNIT
IC/IF
IF = 10 mA, VCE = 10 V SFH640-2 CTR 63 - 125 %
IF = 1 mA, VCE = 10 V SFH640-2 CTR 22 45 - %
IF = 10 mA, VCE = 10 V SFH640-3 CTR 100 - 200 %
IF = 1 mA, VCE = 10 V SFH640-3 CTR 34 70 - %
SWITCHING CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Turn-on time IC = 2 mA, RL = 100 Ω, VCC = 5 V ton -4-μs
Turn-off time IC = 2 mA, RL = 100 Ω, VCC = 5 V toff -5-μs
SAFETY AND INSULATION RATINGS
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Climatic classification According to IEC 68 part 1 55 / 115 / 21
Pollution degree According to DIN VDE 0109 2
Comparative tracking index Insulation group IIIa CTI 175
Maximum rated withstanding isolation voltage According to UL1577, t = 1 min VISO 5000 VRMS
Maximum transient isolation voltage According to DIN EN 60747-5-5 VIOTM 8000 Vpeak
Maximum repetitive peak isolation voltage According to DIN EN 60747-5-5 VIORM 890 Vpeak
Isolation resistance VIO = 500 V, Tamb = 25 °C RIO ≥ 1012 Ω
VIO = 500 V, Tamb = 100 °C RIO ≥ 1011 Ω
Output safety power PSO 700 mW
Input safety current ISI 400 mA
Input safety temperature TS175 °C
Creepage distance DIP-6, SMD-6
≥ 7mm
Clearance distance ≥ 7mm
Insulation thickness DTI ≥ 0.4 mm
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
23029
Input
VOUT
VCC = 5 V
RL
22986
90 %
10 %
Input pulse
Output pulse
tr
ton
tf
toff
5 V
SFH640
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Rev. 1.6, 26-Feb-2019 4Document Number: 83682
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Fig. 5 - Forward Current vs. Forward Voltage
Fig. 6 - Collector Current vs. Collector Emitter Voltage
(non-saturated)
Fig. 7 - Collector Current vs. Collector Emitter Voltage
(saturated)
Fig. 8 - Leakage Current vs. Ambient Temperature
Fig. 9 - Normalized CTR vs. Ambient Temperature
(non-saturated)
Fig. 10 - Normalized CTR vs. Ambient Temperature
(saturated)
10
100
1000
10000
0.1
1
10
0.6 1.1 1.6
Axis Title
1st line
2nd line
2nd line
IF- Forward Current (mA)
VF- Forward Voltage (V)
T
amb
= 100 °C
T
amb
= 75 °C
T
amb
= 25 °C
T
amb
= 0 °C
T
amb
= -55 °C
10
100
1000
10000
0
5
10
15
20
25
012345
Axis Title
1st line
2nd line
2nd line
IC- Collector Current (mA)
VCE - Collector Emitter Voltage (V)
IF= 10 mA
IF= 20 mA
IF= 5 mA
IF= 2 mA IF= 1 mA
10
100
1000
10000
0
5
10
15
0 0.1 0.2 0.3 0.4
Axis Title
1st line
2nd line
2nd line
IC- Collector Current (mA)
VCE - Collector Emitter Voltage (V)
IF= 5 mA
IF= 20 mA
IF= 1 mA
IF= 10 mA
IF= 2 mA
10
100
1000
10000
0.01
0.1
1
10
100
1000
10 000
25 45 65 85
Axis Title
1st line
2nd line
2nd line
ICEO - Leakage Current (nA)
Tamb - Ambient Temperature (°C)
I
F
= 0 mA
V
CE
=30 V
V
CE
= 20 V
V
CE
= 10 V
V
CE
=40 V
10
100
1000
10000
0
0.2
0.4
0.6
0.8
1.0
1.2
-55 -35 -15 5 25 45 65 85
Axis Title
1st line
2nd line
2nd line
NCTR - Normalized CTR (non-sat.)
Tamb - Ambient Temperature (°C)
IF= 10 mA, VCE = 5 V
Normalized to IF = 10 mA, VCE = 5 V,
Tamb =25 °C
10
100
1000
10000
0
0.2
0.4
0.6
0.8
1.0
-55 -35 -15 5 25 45 65 85
Axis Title
1st line
2nd line
2nd line
NCTR - Normalized CTR (sat.)
Tamb - Ambient Temperature (°C)
IF= 10 mA, VCE = 0.4 V
Normalized to IF= 10 mA,
VCE = 5 V, Tamb = 25 °C
SFH640
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Rev. 1.6, 26-Feb-2019 5Document Number: 83682
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Fig. 11 - Normalized CTR (non-saturated) vs. Forward Current
Fig. 12 - Normalized CTR (saturated) vs. Forward Current
Fig. 13 - Switching Time vs. Load Resistance
Fig. 14 - Voltage Gain vs. Frequency
10
100
1000
10000
0
0.2
0.4
0.6
0.8
1.0
1.2
0.1 1 10
Axis Title
1st line
2nd line
2nd line
NCTR - Normalized CTR (non-sat.)
IF- Forward Current (mA)
T
amb
= 0 °C
Normalized to CTR value:
I
F
= 10 mA, V
CE
= 5 V, T
amb
= 25 °C
T
amb
= 100 °C
T
amb
= 75 °C
T
amb
= 50 °C
T
amb
= 25 °C
T
amb
= -55 °C
10
100
1000
10000
0
0.2
0.4
0.6
0.8
1.0
0.1 1 10
Axis Title
1st line
2nd line
2nd line
NCTR - Normalized CTR (sat.)
IF- Forward Current (mA)
Tamb = 0 °C
Normalized to CTR value:
IF= 10 mA, VCE = 5 V, Tamb = 25 °C
Tamb = 100 °C
Tamb = 75 °C
Tamb = 50 °C
Tamb = 25 °C
Tamb = -55 °C
10
100
1000
10000
1
10
100
1000
0.1 1 10
Axis Title
1st line
2nd line
2nd line
ton, toff - Switching Time (μs)
RL- Load Resistance (kΩ)
t
on
t
off
10
100
1000
10000
-10
-8
-6
-4
-2
0
0.01 0.1 1 10 100 1000
Axis Title
1st line
2nd line
2nd lin
Voltage Gain (dB)
f - Frequency (kHz)
RL= 150 Ω
RL= 200 Ω
VCE = 5 V
RL= 75 Ω
SFH640
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Rev. 1.6, 26-Feb-2019 6Document Number: 83682
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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PACKAGE DIMENSIONS in millimeters
6 Pin Package
PACKAGE MARKING
Fig. 15 - Example of SFH640
Notes
• “YWW” is the date code marking (Y = year code, WW = week code)
• VDE logo is only marked on VDE option parts
• Tape and reel suffix (T) is not part of the package marking
22530
0.26
3.5 ± 0.3
7.62 ± 0.3
0.5 ± 0.1
2.54 ± 0.25
3.3 ± 0.5
6.5 ± 0.5
7.3 ± 0.5
7.62 to 9.98
1.1 ± 0.1
0.5 typ.
2.8 ± 0.5
654
123
20802-53
Option 9
7.62 typ.
0.6 min.
0.1 ± 0.1 3.5 ± 0.3
8.16 ± 0.8
10.16 ± 0.3
2.54 R 0.25
1.78
0.76
1.52
8 min.
11.05
8 min.
7.62 typ.
3.5
± 0.3
0.6
1.25
10.3 max.
0.35 ± 0.25
Option 7
2.54 R 0.25
1.78
0.76
1.52
8 min.
11.05
SFH640
V YWW 25
Pin 1 I.D.
SFH640
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Rev. 1.6, 26-Feb-2019 7Document Number: 83682
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PACKAGING INFORMATION
DIP-6
Fig. 16 - DIP-6
SMD-6
Fig. 17 - SMD-6
DEVICES PER TUBE
TYPE UNITS/TUBE TUBES/BOX UNITS/BOX
DIP-6 50 40 2000
SMD-6 50 40 2000
23010
250.7
ANTISTATIC
518 ± 1
ANTISTATIC
Spec for China only
0.6 ± 0.1
14.50 ± 0.2
5.15 ± 0.15
4.20 ± 0.1
8.4 ± 0.1
7.0 ± 0.1
5.00 ± 0.1
Marking
surface
4.15
+ 0.15
- 0.05
10.35 ± 0.2
1.85 ± 0.1
5.35 ± 0.2
SFH640
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Reel
Fig. 18 - Tape and Reel Shipping Medium
SOLDER PROFILES
IR Reflow Soldering (JEDEC® J-STD-020C compliant)
One time soldering reflow is recommended within the
condition of temperature and time profile shown below. Do
not solder more than three times.
Fig. 19
23012
21 ± 0.8
2.0 ± 0.5
13 + 0.5
- 0.2
1.8 + 0.2
- 0
330.0 ± 2
100.0 ± 0.3
16.4 + 1
- 0
PROFILE ITEM CONDITIONS
Preheat
- Temperature minimum (TS min.) 150 °C
- Temperature maximum (TS max.) 200 °C
- Time (min. to max.) (tS) 90 s ± 30 s
Soldering zone
- Temperature (TL) 217 °C
- Time (tL) 60 s
Peak temperature (Tp) 260 °C
Ramp-up rate 3 °C/s max.
Ramp-down rate 3 °C/s to 6 °C/s
0 20406080
1000
10000
25
100
1000
10000
Time (s)
Axis Title
1st line
2nd line
2nd line
Temperarure (°C)
Time (s)
10
100
60 s
tL (soldering)
60 s to 120 s
tS (preheat)
35 s to 70 s
20 s
Tp (260 °C)
TL (217 °C)
TS max. (200 °C)
TS min.
(150 °C)
Ramp-up
Ramp-down
23016
SFH640
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Wave Soldering (JEDEC JESD22-A111 compliant)
One time soldering is recommended within the condition of
temperature.
Temperature: 260 °C + 0 °C / - 5 °C
Time: 10 s
Preheat temperature: 25 °C to 140 °C
Preheat time: 30 s to 80 s
Fig. 20
Hand Soldering by Soldering Iron
Allow single lead soldering in every single process. One time
soldering is recommended.
Temperature: 380 °C + 0 °C / - 5 °C
Time: 3 s max.
10
100
1000
10000
0
200
250
300
0 0.5 2.5 3.0 3.5 4.0
Axis Title
2nd line
Time (min)
150
100
50
2.01.0 1.5
Temperature (°C)
260 °C + 0 °C / - 5 °C
wave temperature
Second wave
-5 °C/s
+200 °C/s
+2 °C/s
First wave
Preheat zone
1st line
2nd line
23017
DIP-6A
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DIP-6A
PACKAGE DIMENSIONS in inches (millimeters)
Note
The information in this document provides generic information but for specific information on a product the appropriate product datasheet
should be used.
i178004
0.25 typ.
2.95 ± 0.5
3.555 ± 0.255
0.8 min.
7.62 typ.
0.85 ± 0.05
2.54 typ.
1 min.
0.5 ± 0.05
6.4 ± 0.1
8.6 ± 0.1
Pin one ID
6
5
4
12
3
18°
3° to 9°
7.62 to 8.81
4° typ.
ISO method A
1.2 ± 0.1
Legal Disclaimer Notice
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Revision: 08-Feb-17 1Document Number: 91000
Disclaimer
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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