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What is SFH6943?

This electronic component, produced by the manufacturer "Vishay Siliconix", performs the same function as "Optocoupler / Phototransistor Output".


SFH6943 Datasheet PDF - Vishay Siliconix

Part Number SFH6943
Description Optocoupler / Phototransistor Output
Manufacturers Vishay Siliconix 
Logo Vishay Siliconix Logo 


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VISHAY
SFH6943
Vishay Semiconductors
Optocoupler, Phototransistor Output, SOT223/10, Quad
Channel
Features
• Transistor Optocoupler in SOT223/10 Package
• End Stackable, 1.27 mm Spacing
• Low Current Input
• Very High CTR, 150 % Typical at IF = 1 mA,
VCE = 5 V
• Good CTR Linearity Versus Forward Current
• Minor CTR Degradation
• High Collector-Emitter Voltage, VCEO=70 V
• Low Coupling Capacitance
• High Common Mode Transient Immunity
• Isolation Test Voltage: 1768 VRMS
Agency Approvals
• UL File #E76222 System Code V
• CSA 93751
Applications
Telecommunication
SMT
PCMCIA
Instrumentation
Description
The SFH6943 is a four channel mini-optocoupler suit-
able for high density packaged PCB application. It
has a minimum of 1768 VRMS isolation from input to
A1
A2
Com. C3
A4
A5
10 E1
9 E2
8 Com. C
7 E3
6 E4
i179077
output. The device consists of four phototransistors
as detectors. Each channel is individually controlled.
The optocoupler is housed in a SOT223/10 package.
All the cathodes of the input LEDs and all the collec-
tors of the output transistors are common enabling a
pin count reduction from 16 pins to 10 pins-a signifi-
cant space savings as compared to four channels that
are electrically isolated individually.
Order Information
Part
SFH6943-2
SFH6943-3
SFH6943-4
Remarks
CTR 63 - 200 %, SMD-10
CTR 100 - 320 %, SMD-10
CTR 160 - 500 %, SMD-10
For additional information on the available options refer to
Option Information.
Absolute Maximum Ratings
Tamb = 25 °C, unless otherwise specified
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 Rating for extended periods of the time can adversely affect reliability.
Input
Parameter
Reverse voltage
DC forward current
Surge forward current
Total power dissipation
Test condition
tP 10 µs
Symbol
VR
IF
IFSM
Pdiss
Value
3
5
100
10
Unit
V
mA
mA
mW
Document Number 83688
Rev. 1.3, 20-Apr-04
www.vishay.com
1

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SFH6943 equivalent
VISHAY
SFH6943
Vishay Semiconductors
103 IF = 1 mA,
VCC = 5 V,
ton, tr, toff, tt = f (RL)
10 toff
tf
t on
101
tr
100
10 2
isfh6943_09
Fig. 9
103 104
RL / OHM
10 5
Package Dimensions in Inches (mm)
25
ICE = 1 (VCE, IF)
20
15
10
5
0 -2
10
isfh6943_10
-1
10
V CE/V
10 0
101
Fig. 10 Transistor Output Characteristics
10 2
10° 7°
.016 (.41)
.018 (.46)
.063 ± .004
(1.60 ± .10)
.035
(.90)
ISO Method A
i178044
.043
(1.09)
.256 ± .004
(6.50 ± .10)
.200 ± .005
(5.80 ± .13)
.002 +.002
–.001
(.05 +.05
–.03)
0.004 (.10) 0.138 ± .004
max. (3.51 ± .10)
.01 (.25) R
0.020 ± .004
(.51 ± .10)
10°
0°–7°
0.010R
(.25)
45°
.276 ± .008
(7.01 ± .20)
0.020 (.51) min.
R .005(.13)
.050 (1.27)
.040 (1.02)
.216 (5.49)
.296 (7.52)
.010 (.25)
.053 (1.35)
.024 (.61)
.026 (.66)
Document Number 83688
Rev. 1.3, 20-Apr-04
www.vishay.com
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for SFH6943 electronic component.


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