SMH301B
THRU
SMH308B
3.0 AMP SURFACE MOUNT HIGH EFFICIENCY RECTIFIERS
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
FEATURES
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* Fast switching speed
.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
=75 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:
SMH
301B
SMH
302B
SMH
303B
SMH
304B
SMH
305B
SMH
306B
SMH
307B
SMH
308B
UNITS
50
35
50
100
70
100
200
140
200
300
210
300
3.0
150
1.3
10
200
400
280
400
600
420
600
800
560
800
1000
700
1000
V
V
V
A
A
V
A
A
nS
pF
C
1.0
1.85
50
75
-65 +150
75
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.
466
RATING AND CHARACTERISTIC CURVES (SMH301B THRU SMH308B)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
10
AVERAGE FORWARD CURRENT,(A)
03
B
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
3.0
2.5
2.0
1.5
1.0
0.5
0
0
20
40
60
80
100
120
140
160
180
200
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
MH
3
05
B
B~
SM
H3
INSTANTANEOUS FORWARD CURRENT,(A)
01
SM
H3
04
SM
H3
1.0
.1
Tj=25 C
Pulse Width 300us
1% Duty Cycle
SM
H
30
6B
~S
M
H
B~
S
30
8B
LEAD TEMPERATURE ( C)
.01
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
.001
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
150
FORWARD VOLT
AGE,(V)
120
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
90
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
60
(+)
25Vdc
(approx.)
( )
1
W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
30
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
175
trr
+0.5A
|
|
|
|
|
|
|
|
JUNCTION CAPACITANCE,(pF)
150
125
100
75
50
25
0
-0.25A
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
0
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
467
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