1N4933

RoHS
1N4933-1N4937
FAST RECOVERY RECTIFIER
VOLTAGE RANGE
CURRENT
FEATURES
D
T
,. L
O
50 to 600 Volts
1.0 Ampere
Low cost construction
.034(0.9)
Fast switching for high efficency.
DO-41
DIA.
.028(0.7)
Low reverse leakage
1.0(25.4)
High forward surge current capability
MIN
High temperature soldering guaranteed:
o
260 C/10 seconds/0.375 " (9.5mm)lead length
at 5 lbs (2,3kg) tension
.205(5.2)
.165(4.2)
MECHANICAL DATA
Case: Transfer molded plastic
IC
Epoxy: UL94V-0 rate flame retardant
C
.107(2.7)
DIA
.080(2.0)
1.0(25.4)
Polarity: Color band denotes cathode end
Lead: Plated axial lead ,solderable per MIL-STD-202E
N
method 208C
Mounting position: Any
Weight: 0.012 ounce,0.33 gram
O
MIN
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
R
T
o
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase,half wave,60Hz,resistive or inductive load.
For capacitive load derate current by 20%.
C
E
L
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
SYMBOLS IN4933 IN4934 IN4935 IN4936 IN4937 UNITS
V RRM
50
100
200
400
600
V RMS
35
70
140
280
420
V olts
V olts
V DC
50
100
200
400
600
V olts
Maximum Average Forward Rectified Current
o
0.375”(9.5mm) lead length at T A =75 C
E
I (AV)
1.0
A mp
I FSM
30
A mps
1.2
V olts
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
J
E
rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
at rated DC blocking voltage
T A =25 C
o
T A =100 C
W
VF
o
5.0
IR
A mps
100
Maximum Reverse Recovery Time(NOTE3)
o
T j=25 C
Maximum Reverse Recovery Current(NOTE 3)
Typical Junction Capacitance(NOTE1)
I RM(REC)
CJ
Typical Thermal Resistance(NOTE2)
R
t rr
JA
200
nS
2.0
A mps
15
50
pF
O
T J ,T STG
-65 to +150
Operating and Storage Temperature Range
NOTES:
1.Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts.
2.Thermal Resistance from Junction to Ambient at 0.375”(9.5mm) lead length,P.C.board mounted.
3.Reverse Recovery Test Conditions:I F =1.0A,V R =30V,di/dt=50A/ s,I rr =10% I RM for measurement of t rr .
WEJ ELECTRONIC CO.
Http:// www.wej.cn
E-mail:wej@yongerjia.com
C/W
O
C
RoHS
FIG.1-TYPICAL FORWARD CURRENT
FIG.2-MAXIMUM NON-REPETITIVE PEAK
DERATING CURVE
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
1.2
0.8
0.6
Single Phase
Half Wave 60Hz
0.4
Resistive or
Inductive Load
0.2
0.375 "(9.5mm) Lead Length
0
0
25
50
75
100
125
150
30
(JEDEC Method) T j=Tjmax
20
10
0
o
1
IC
C
E
L
0.7
0.9
1.1
1.3
O
(uA)
R
T
1.0
(A)
INSTANTANEOUS FORWARD CURRENT,
10
INSTANTANEOUS REVERSE CURRENT,
N
20
0.01
4
JUNCTION CAPACITANCE,(pF)
W
10
20
40
60 80100
10
o
Tj=100 C
1.0
o
0.1
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.5-TYPICAL JUNCTION CAPACITANCE
J
E
8
Tj=25 C
1.4
E
100
INSTANTANEOUS FORWARD VOLTAGE,(V)
100
6
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
FORWARD CHARACTERISTICS
o
2
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
T j=25 C
Pulse Width=300us
1% Duty Cycle
C
1 Cycle
175
AMBIENT TEMPERATURE,( C)
0.1
D
T
,. L
O
8.3ms Single Half Sine-Wave
CURRENT,(A)
1.0
(A)
AVERAGE FORWARD CURRENT,
1N4933-1N4937
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
8
115 Va
60Hz
10K
2W
1
7
2
6
C.P. CLARE
HPG 1002
10
UNIT
UNDER TEST
3
5
4
1.AMP
SLO-BLO
FUSE
-
30 Vdc
CONSTANT VOLTAGE
+
SUPPLY
30
50W
NON-INDUCTIVE
3.8uH/1.4
R2
1
10W
NONINDUCTIVE
C1
1.0uF
300V
o
1.0Adc RROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
C1
1.0uF
300V
+
1
Zout 1 2- MAX
DC to 2kHz
-
MINIMIZE ALL LEAD LENGTHS
Tj=25 C
f=1MHz
Vsig=50mVp-p
Trr
A-TEKRONNIX 545A.K.PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
IFM 1.0
I(t)
d f /d t =50A/us
RI-ADJUSTED FOR 1.4 BETEEN
POINT 2 OF RELAY AND RECTIFIER
1
0.1
1.0
10
REVRESE VOLTAGE,(V)
100
0
INDUCTIVE = 3.8uH
R2-TEN-1W 10 CARBON CORE
IN PARALLEL
o
TA=25 +10-0
C
FOR RECTIFIER
IRM(REC)
SET TIME BASE FOR
50/100ns/cm
WEJ ELECTRONIC CO.
Http:// www.wej.cn
E-mail:wej@yongerjia.com