FAST RECOVERY RECTIFIER
SM4933 THRU SM4937
FEATURES
•
•
•
•
VOLTAGE RANGE
CURRENT
50 to 600 Volts
1.0 Ampere
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
•
•
•
•
•
•
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
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
V
RRM
50
100
Maximum RMS Voltage
V
RMS
35
70
Maximum DC Blocking Voltage
V
DC
50
100
Maximum Average Forward Rectified Current,
0.375″(9.5mm) lead length at T
T
=100℃
Peak Forward Surge Current
8.3ms single half sine wave superimposed on
rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current at rated T
A
= 25℃
DC Blocking Voltage per element
T
A
= 125℃
Typical reverse recovery time (NOTE 1)
Typical Junction Capacitance
(Measured at 1.0MHz and applied reverse voltage of 4.0V)
Typical Thermal Resistance (NOTE 2)
Operating Junction Temperature Range
Storage Temperature Range
•
•
•
SM4935
200
140
200
1.0
30
1.3
5.0
100
200
8.0
40
(-55 to +150)
(-55 to +150)
SM4936
400
280
400
SM4937
600
420
600
UNIT
Volts
Volts
Volts
Amps
Amps
Volts
µA
nS
PF
℃/W
℃
℃
I
(AV)
I
FSM
V
F
I
R
T
rr
CJ
R
θJT
T
J
T
STG
Notes:
1. Reverse Recovery Test Conditions: I
R
=1.0A, V
R
=30V, di/di=50A/µS, I
RR
=10%I
RM
2. Thermal resistance from Junction to ambient at 0.375″(9.5mm) lead length mounted on PCB
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
FAST RECOVERY RECTIFIER
SM4933 THRU SM4937
VOLTAGE RANGE
CURRENT
50 to 600 Volts
1.0 Ampere
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,
1.2
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
1.0
30
CURRENT, (A)
8.3ms Single Half Sine-Wave
(JEDEC Method) T= T
jmax
20
0.8
(A)
0.6
0.4
0.2
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375″(9.5mm) Lead Length
10
0
0
25
50
75
100
125
150
175
0
1
1 Cycle
40
60 80 100
2
4
6
8 10
20
AMBIENT TEMPERATURE, (° C)
NUMBER OF CYCLES AT 60 Hz
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
100
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS PER LEG
20
INSTANTANEOUS FORWARD CURRENT,
10
INSTANTANEOUS REVERSE CURRENT,
10
1.0
(μA)
1.0
(A)
0.1
T
J
=25° C
Pulse Width=300us
1% Duty Cycle
0.01
0.7
0.1
0.9
1.1
1.3
1.4
INSTANTANEOUS FORWARD VOLTAGE,(V)
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
FIG.5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,(pF)
100
10
T
J
=25℃
f=1MHz
Vsig=50mVp-p
1
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
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