MIC SM4937

FAST RECOVERY RECTIFIER
SM4933 THRU SM4937
VOLTAGE RANGE
50 to 600 Volts
CURRENT
1.0 Ampere
FEATURES
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DO-213AB(MELF)
Fast switching for high efficiency
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed
260℃/10 second at terminals
MECHANICAL DATA
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Case: Transfer molded plastic
Epoxy: UL94V-0 rate flame retardant
Lead: plated, solderable per MIL-STD-202E
method 208C
Polarity: Color band denotes cathode end
Mounting position: Any
Weight: 0.0046 ounce, 0.116gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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Ratings at 25℃ ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS SM4933
SM4934
Maximum Repetitive Peak Reverse Voltage
VRRM
50
100
Maximum RMS Voltage
VRMS
35
70
Maximum DC Blocking Voltage
VDC
50
100
Maximum Average Forward Rectified Current,
0.375″(9.5mm) lead length at TT =100℃
Peak Forward Surge Current
8.3ms single half sine wave superimposed on
rated load (JEDEC method)
SM4935
200
140
200
SM4936
400
280
400
SM4937
600
420
600
UNIT
Volts
Volts
Volts
I(AV)
1.0
Amps
IFSM
30
Amps
Maximum Instantaneous Forward Voltage at 1.0A
VF
IR
Typical reverse recovery time (NOTE 1)
Trr
1.3
5.0
100
200
Volts
Maximum DC Reverse Current at rated TA = 25℃
DC Blocking Voltage per element
TA = 125℃
Typical Junction Capacitance
(Measured at 1.0MHz and applied reverse voltage of 4.0V)
CJ
8.0
PF
RθJT
TJ
TSTG
40
(-55 to +150)
(-55 to +150)
℃/W
Typical Thermal Resistance (NOTE 2)
Operating Junction Temperature Range
Storage Temperature Range
Notes:
1. Reverse Recovery Test Conditions: IR=1.0A, VR=30V, di/di=50A/µS, IRR=10%IRM
2. Thermal resistance from Junction to ambient at 0.375″(9.5mm) lead length mounted on PCB
E-mail: [email protected]
Web Site: www.cnmic.com
µA
nS
℃
℃
FAST RECOVERY RECTIFIER
VOLTAGE RANGE
50 to 600 Volts
CURRENT
1.0 Ampere
FIG.1-TYPICAL FORWARD CURRENT
FIG.2-MAXIMUM NON-REPETITIVE PEAK
DERATING CURVE
FORWARD SURGE CURRENT
1.0
(A)
0.8
0.6
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375″(9.5mm) Lead Length
0.4
0.2
30
CURRENT, (A)
PEAK FORWARD SURGE
1.2
8.3ms Single Half Sine-Wave
(JEDEC Method) T= Tjmax
20
10
1 Cycle
0
0
25
50
100
75
125
150
175
0
2
1
AMBIENT TEMPERATURE, (° C)
4
6
8 10
40
20
60 80 100
NUMBER OF CYCLES AT 60 Hz
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
FIG.3-TYPICAL INSTANTANEOUS
100
FORWARD CHARACTERISTICS PER LEG
1.0
0.1
TJ =25° C
Pulse Width=300us
1% Duty Cycle
0.01
0.7
0.9
1.3
1.1
10
(μA)
INSTANTANEOUS REVERSE CURRENT,
10
(A)
INSTANTANEOUS FORWARD CURRENT,
20
1.0
0.1
1.4
INSTANTANEOUS FORWARD VOLTAGE,(V)
0.01
0
20
40
60
80
100
120
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,(pF)
AVERAGE FORWARD CURRENT,
SM4933 THRU SM4937
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
100
10
T J =25℃
f=1MHz
Vsig=50mVp-p
1
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
E-mail: [email protected]
Web Site: www.cnmic.com
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