SFH618A/628A
Phototransistor, 5.3 kV TRIOS
Low Current Input
Optocoupler
FEATURES
• Very High CTR at I =1.0 mA, V =0.5 V
Dimensions in Inches (mm)
F
CE
2
– SFH618A-2, 63–125%
1
SFH618A
SFH628A
pin one ID
– SFH618A-3, 100–200%
– SFH618A-4, 160–320%
– SFH618A-5, 250–500%
– SFH628A-2, 63–200%
– SFH628A-3, 100–320%
– SFH628A-4, 160–500%
Anode
Collector
Emitter
4
3
1
2
.255 (6.48)
.268 (6.81)
Cathode
Anode/
Collector
Emitter
4
3
1
2
Cathode
3
4
• Specified Minimum CTR at I =0.5 mA
Cathode/
Anode
F
.179 (4.55)
.190 (4.83)
– SFH618A, V =1.5 V: ≥32% (typical 120%)
CE
– SFH628A, V =1.5 V: ≥50% (typical 160%)
CE
.300 (7.62) typ.
.031 (.79) typ.
.050 (1.27) typ.
.030 (.76)
.045 (1.14)
• Good CTR Linearity Depending on
Forward Current
• Low CTR Degradation
• High Collector-emitter Voltage, V
• Isolation Test Voltage, 5300 V
• 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)
.130 (3.30)
.150 (3.81)
.230 (5.84)
.250 (6.35)
=55 V
CEO
RMS
10°
4°
.110 (2.79)
.130 (3.30)
typ.
.020 (.508 )
.035 (.89)
3°–9°
.008 (.20)
.012 (.30)
.018 (.46)
.022 (.56)
.050 (1.27)
0.100 (2.54)
• Underwriters Lab File #52744
Maximum Ratings
Emitter
Reverse Voltage (SFH618A)............................................................. 6.0 V
DC Forward Current (SFH628A) .................................................. 50 mA
Surge Forward Current (t ≤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
VE
D
•
VDE 0884 Available with Option 1
• SMD Option — See SFH6186/6286 Data Sheet
APPLICATIONS
• Telecom
• Industrial Controls
• Battery Powered Equipment
• Office Machines
p
Collector Current (t ≤1.0 ms) ....................................................... 100 mA
DESCRIPTION
p
Total Power Dissipation ............................................................... 150 mW
Package
Isolation Test Voltage between Emitter and
Detector, refer to Climate DIN 40046,
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
part 2, Nov. 74 ..................................................................... 5300 V
RMS
Creepage Distance .................................................................... ≥7.0 mm
Clearance................................................................................... ≥7.0 mm
Insulation Thickness between Emitter and Detector.................. ≥0.4 mm
Comparative Tracking Index
incorporated in a plastic DIP-4 package.
The coupling devices are designed for signal trans-
mission between two electrically separated circuits.
per DIN IEC 112/VDE0 303, part 1 ..................................................175
The couplers are end-stackable with 2.54 mm lead
spacing.
Isolation Resistance
12
V =500 V, T =25°C................................................................. ≥10
Ω
Ω
IO
A
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
11
V =500 V, T =100°C............................................................... ≥10
IO
A
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
to an operation voltage of 400 V
or DC.
RMS
Distance to Seating Plane ≥1.5 mm) ..........................................260°C
Document Number: 83673
Revision 17-August-01
www.vishay.com
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