SR36 - SR39
SURFACE MOUNT
FAST RECOVERY RECTIFIERS
PRV : 100 - 800 Volts
Io : 3.0 Amperes
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
MECHANICAL DATA :
* Case : SMC Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.21 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL
SR36
SR37
SR38
SR39
UNIT
Maximum Recurrent Peak Reverse Voltage
V
RRM
100
200
400
800
V
Maximum RMS Voltage
V
RMS
70
140
280
560
V
Maximum DC Blocking Voltage
V
DC
100
200
400
800
V
Maximum Average Forward Current Ta = 55
C
I
F(AV)
3.0
A
Peak Forward Surge Current,
8.3ms Single half sine wave superimposed
on rated load (JEDEC Method)
I
FSM
100
A
Maximum Peak Forward Voltage at I
F
= 3.0 A
V
F
1.25
V
Maximum DC Reverse Current Ta = 25
C
I
R
10
A
at Rated DC Blocking Voltage Ta = 100
C
I
R(H)
100
A
Maximum Reverse Recovery Time ( Note 1 )
Trr
250
ns
Typical Junction Capacitance ( Note 2 )
C
J
60
pf
Junction Temperature Range
T
J
- 65 to + 150
C
Storage Temperature Range
T
STG
- 65 to + 150
C
Notes :
( 1 ) Reverse Recovery Test Conditions : I
F
= 0.5 A, I
R
= 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
DC
Page 1 of 2
Rev. 01 : April 2, 2002
RATING
SMC (DO-214AB)
Dimensions in inches and (millimeter)
0
.
3
05(7.75)
0.320(8.13)
0.2 45(6.22)
0.121(3.07)
0.115(2.92)
0.2 20(5.59)
0.012(0.305)
0.10 3(2.62 )
0.280(7.11)
0.0 60(1.52)
0.260(6.60)
0.07 9(2.00 )
0.006(0.152)
0.0 30(0.76)
0.008(0.203)
0.004(0.102)
RATING AND CHARACTERISTIC CURVES ( SR36 - SR39 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
+
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
FIG.2 - DERATING CURVE FOR OUTPUT
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT
FORWARD SURGE CURRENT
0
25
50
75
100
125
150
175
1
2
4
6
10
20
40
60 100
AMBIENT TEMPERATURE, (
C)
NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Page 2 of 2
Rev. 01 : April 2, 2002
60Hz RESISTIVE OR INDUCTIVE LOAD
2.4
1.8
1.2
0.6
3.0
100
10
1.0
80
0
100
0
60
40
20
0.1
10
80
0.01
0.01
1.0
0.1
100
140
0
20
40
60
120
PERCENT OF RATED REVERSE VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FORWARD CURRENT, AMPERES
REVERSE CURRENT, MICROAMPERES
T
J
= 25
C
T
J
= 100
C
T
J
= 25
C
Pulse Width = 300
s
2% Duty Cycle
8.3 ms SINGLE HALF SINE WAVE
Ta = 50
C
SET TIME BASE FOR 50-100 ns/cm
Trr
+ 0.5 A
0
- 0.25 A
- 1.0 A
1 cm
50 Vdc
(approx)
OSCILLOSCOPE
( NOTE 1 )
1
50
10
D.U.T.
PULSE
GENERATOR
( NOTE 2 )
FORWARD VOLTAGE, VOLTS
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