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SFH618A Datasheet(PDF) 1 Page - Vishay Siliconix

Part No. SFH618A
Description  Phototransistor, 5.3 kV TRIOS Low Current Input Optocoupler
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SFH618A Datasheet(HTML) 1 Page - Vishay Siliconix

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Document Number: 83673
www.vishay.com
Revision 17-August-01
2–242
FEATURES
• Very High CTR at IF=1.0 mA, VCE=0.5 V
– SFH618A-2, 63–125%
– SFH618A-3, 100–200%
– SFH618A-4, 160–320%
– SFH618A-5, 250–500%
– SFH628A-2, 63–200%
– SFH628A-3, 100–320%
– SFH628A-4, 160–500%
• Specified Minimum CTR at IF=0.5 mA
– SFH618A, VCE=1.5 V: ≥32% (typical 120%)
– SFH628A, VCE=1.5 V: ≥50% (typical 160%)
• Good CTR Linearity Depending on
Forward Current
• Low CTR Degradation
• High Collector-emitter Voltage, VCEO=55 V
• Isolation Test Voltage, 5300 VRMS
• Low Coupling Capacitance
• Field-Effect Stable by TRIOS (TRansparent IOn
Shield)
• End-Stackable, 0.100" (2.54 mm) Spacing
• High Common-mode Interference Immunity
(Unconnected Base)
• Underwriters Lab File #52744
VDE 0884 Available with Option 1
• SMD Option — See SFH6186/6286 Data Sheet
APPLICATIONS
• Telecom
• Industrial Controls
• Battery Powered Equipment
• Office Machines
DESCRIPTION
The SFH618A/628A feature a high current transfer
ratio, low coupling capacitance and high isolation
voltage. These couplers have a GaAs infrared emit-
ting diode emitter, which is optically coupled to a sili-
con planar phototransistor detector, and is
incorporated in a plastic DIP-4 package.
The coupling devices are designed for signal trans-
mission between two electrically separated circuits.
The couplers are end-stackable with 2.54 mm lead
spacing.
Creepage and clearance distances of >8.0 mm are
achieved with option 6. This version complies with
IEC 950 (DIN VDE 0805) for reinforced insulation up
to an operation voltage of 400 VRMS or DC.
V
DE
SFH618A/628A
Phototransistor, 5.3 kV TRIOS
Low Current Input
Optocoupler
Maximum Ratings
Emitter
Reverse Voltage (SFH618A) ............................................................. 6.0 V
DC Forward Current (SFH628A) .................................................. ±50 mA
Surge Forward Current (tp≤10 µs) (SFH628A) ...............................±2.5 A
Total Power Dissipation ................................................................. 70 mW
Detector
Collector-emitter Voltage ................................................................... 55 V
Emitter-collector Voltage................................................................... 7.0 V
Collector Current ............................................................................ 50 mA
Collector Current (tp≤1.0 ms) ....................................................... 100 mA
Total Power Dissipation ............................................................... 150 mW
Package
Isolation Test Voltage between Emitter and
Detector, refer to Climate DIN 40046,
part 2, Nov. 74 ..................................................................... 5300 VRMS
Creepage Distance ....................................................................
≥7.0 mm
Clearance ...................................................................................
≥7.0 mm
Insulation Thickness between Emitter and Detector ..................
≥0.4 mm
Comparative Tracking Index
per DIN IEC 112/VDE0 303, part 1 ..................................................175
Isolation Resistance
VIO=500 V, TA=25°C................................................................. ≥10
12
VIO=500 V, TA=100°C............................................................... ≥10
11
Storage Temperature Range ............................................. –55 to +150
°C
Ambient Temperature Range............................................. –55 to +100
°C
Junction Temperature ......................................................................100
°C
Soldering Temperature (max. 10 s. Dip Soldering
Distance to Seating Plane
≥1.5 mm) ..........................................260°C
Dimensions in Inches (mm)
.255 (6.48)
.268 (6.81)
1
2
4
3
.179 (4.55)
.190 (4.83)
pin one ID
.030 (.76)
.045 (1.14)
4
°
typ.
0.100 (2.54)
.130 (3.30)
.150 (3.81)
.020 (.508 )
.035 (.89)
10
°
3
°–9°
.018 (.46)
.022 (.56)
.008 (.20)
.012 (.30)
.031 (.79) typ.
.050 (1.27) typ.
.300 (7.62) typ.
.110 (2.79)
.130 (3.30)
.230 (5.84)
.250 (6.35)
.050 (1.27)
Collector
Emitter
Anode
Cathode
SFH618A
1
2
4
3
Collector
Emitter
Anode/
Cathode
Cathode/
Anode
SFH628A
1
2
4
3


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