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SEMTECH

SFR151 Datasheet Preview

SFR151 Datasheet

SOFT FAST RECOVERY RECTIFIERS

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SFR151 THRU SFR157
SOFT FAST RECOVERY RECTIFIERS
Reverse Voltage – 50 to 1000 Volts
Forward Current – 1.5 Amperes
Features
Low forward voltage drop.
High current capability.
High reliability.
High surge current capability.
Fast switching for high efficiency.
Mechanical Data
Cases: Molded plastic
Lead: Axial leads, solderable per MIL-STD-202,
Method 208 guaranteed.
Polarity: Color band denotes cathode end
High temperature soldering guaranteed:
250oC/10 seconds/ 0.375”, (9.5mm) lead
lengths at 5 Ibs., (2.3kg) tension
Absolute Maximum Ratings and Characteristics
Rating at 25oC ambient temperature unless otherwise specified. Single-phase, half wave, 60Hz, resistive or inductive
load. For capacitive load, derate current by 20%.
Symbols SFR SFR SFR SFR SFR SFR SFR Units
151 152 153 154 155 156 157
Maximum recurrent peak reverse voltage
VRRM
50 100 200 400 600 800 1000 V
Maximum RMS voltage
VRMS
35 70 140 280 420 560 700
V
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA = 55 OC
Peak forward surge current ,
8.3mS single half sine-wave superimposed
on rated load (JEDEC method)
VDC 50 100 200 400 600 800 1000 V
I(AV) 1.5 A
IFSM 50 A
Maximum instantaneous forward voltage @ 1.5A
Maximum DC reverse current
at rated DC blocking voltage
@ TA = 25 OC
@ TA = 75 OC
Maximum reverse recovery time (Note 1)
VF
IR
IR
Trr
1.2 V
5 µA
100 µA
120 200 350 nS
Typical junction capacitance (Note 2)
CJ
30 pF
Operating temperature range
TJ
-65 to +150
OC
Storage temperature range
TS -65 to +150
Note: (1) Reverse recovery test conditions: IF = 0.5A, IR = 1A , IRR = 0.25A.
(2) Measured at 1 MHz and applied reverse voltage of 4 Volts D.C.
OC
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 20/06/2003




SEMTECH

SFR151 Datasheet Preview

SFR151 Datasheet

SOFT FAST RECOVERY RECTIFIERS

No Preview Available !

SFR151 THRU SFR157
RATINGS AND CHARACTERISTIC CURVES (SFR151 THRU SFR157)
Fig. 1-MAXIMUM FORWARD CURRENT DERATING CURVE
2.0
1.5
1.0
SINGLE PHASE
HALF WAVE
0.5 60Hz
RESISTIVE OR
INDUCTIVE LOAD
.375" 9.5 mm LEAD LENGTH
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE,oC
Fig. 2-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
60
50
40
30
20
10
0
2 4 6 10
40 100
NUMBER OF CYCLES AT 60Hz
Fig. 3-TYPICAL FORWARD CHARACTERISTICS
20
10
Tj =25oC
Pulse Width=300 s
3.0 1% Duty Cycle
1.0
0.3
0.1
0.03
0.01
0.4 0.6
0.8 1.0 1.2 1.4
1.6 1.8
FORWARD VOLTAGE, (V)
Fig. 4-TYPICAL JUNCTION CAPACITANCE
100
60
40
20 Tj=25oC
10
1
2 46
10 20
REVERSE VOLTAGE. (V)
40 60
100
Fig. 5-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
NONINDUCTIVE
10
NONINDUCTIVE
(+)
50Vdc
(appox)
(-)
DUT
1
NON
INDUCTIVE
(-)
OSCILLOSCOPE
(NOTE 1)
PULSE
GERATOR
(NOTE 2)
(+)
NOTES:1. Rise Time=7ns max. Input Impedance=
1 megohm 22 pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
+0.5A
0
-0.25A
trr
-1.0A
1cm
SET TIME BASE FOR
5/10ns/cm
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 20/06/2003


Part Number SFR151
Description SOFT FAST RECOVERY RECTIFIERS
Maker SEMTECH
Total Page 2 Pages
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