Dated : 30/06/2006 H
R
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
SF81 THRU SF88
GLASS PASSIVATED SUPER FAST RECTIFIER
Reverse Voltage – 50 to 600 V
Forward Current – 8 A
Features
• Low forward voltage drop
• Low reverse leakage current
• Superfast switching time for high efficiency
• High current capability
• High surge current capability
Mechanical Data
• Case: Molded plastic, TO-220A
• Epoxy: UL 94V-0 rate flame retardant
• Terminals: leads solderable per MIL-STD-202
method 208 guaranteed
• Polarity: As marked
• Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Parameter
Symbols
SF81
SF82
SF83
SF84
SF85
SF86
SF87
SF88
Units
Maximum Recurrent Peak Reverse Voltage
VRRM
50
100
150
200
300
400
500
600
V
Maximum RMS Voltage
VRMS
35
70
105
140
210
280
350
420
V
Maximum DC Blocking Voltage
VDC
50
100
150
200
300
400
500
600
V
Maximum Average Forward Rectified Current
at TC = 100
OC
I(AV)
8
A
Peak Forward Surge Current, 8.3 ms Single
half Sine-wave Superimposed on Rated Load
(JEDEC method)
IFSM
125
A
Maximum Forward Voltage at 8 A and 25
OC
VF
0.95
1.3
1.7
V
Maximum Reverse Current
at TA = 25
OC
at Rated DC Blocking Voltage
TA = 125
OC
IR
10
500
µA
Typical Junction Capacitance
1)
CJ
80
60
pF
Maximum Reverse Recovery Time
2)
trr
35
50
ns
Typical Thermal Resistance
3)
RθJC
2.2
OC/W
Operating and Storage Temperature Range
TJ, Ts
- 55 to + 150
OC
1) Measured at 1 MHz and applied reverse voltage of 4 VDC.
2) Reverse recovery test conditions: I
F = 0.5 A, IR = 1 A, IRR = 0.25 A
3) Thermal resistance from Junction to case mounted on heatsink.
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