SMU31B
THRU
SMU37B
3.0 AMP SURFACE MOUNT SUPER FAST RECTIFIERS
VOLTAGE RANGE
50 to 600 Volts
CURRENT
FEATURES
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* Super fast recovery time for high speed switching
.083(2.11)
.075(1.91)
3.0 Amperes
DO-214AA(SMB)
.155(3.94)
.130(3.30)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Metallurgically bonded construction
* Polarity: Color band denotes cathode end
* Mounting position: Any
.096(2.44)
.083(2.13)
.050(1.27)
.030(0.76)
.185(4.70)
.160(4.06)
.012(0.31)
.006(0.15)
.008
MAX.
(.203)
.220(5.59)
.200(5.08)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
L
=100 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range T
J
, T
STG
NOTES:
SMU31B SMU32B SMU33B SMU34B SMU35B SMU36B SMU37B
UNITS
50
35
50
100
70
100
150
105
150
200
140
200
3.0
125
300
210
300
400
280
400
600
420
600
V
V
V
A
A
V
A
A
nS
pF
C
0.95
5.0
500
35
45
-65 +150
1.3
1.7
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
448
RATING AND CHARACTERISTIC CURVES (SMU31B THRU SMU37B)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
3.0
2.5
2.0
1.5
1.0
0.5
0
0
7B
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
50
INSTANTANEOUS FORWARD CURRENT,(A)
10
3.0
1B~
SM
U3
4B
SM
U3
~S
MU
3
1.0
6B
SM
U3
5B
20
40
60
80
100
120
140
160
180
200
SM
U3
LEAD TEMPERATURE ( C)
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0.1
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
125
.01
.4
.6
.8 1.0 1.2 1.4 1.6
FORWARD VOLTAGE,(V)
1.8
100
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
75
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
50
25
(+)
25Vdc
(approx.)
( )
1
W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
FIG.5-TYPICAL JUNCTION CAPACITANCE
140
120
100
80
60
40
20
trr
+0.5A
|
|
|
|
|
|
|
|
0
-0.25A
JUNCTION CAPACITANCE,(pF)
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
0
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
449
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