1N4933 THRU 1N4937
Features
· Plastic package has Underwrites Laboratory Flammability
Classification 94V-0
· Fast switching speed
· Construction utilizes void-free molded plastic technique
· 1.0A operation at T
A
=75℃ with to terminal runaway
· High temperature soldering guaranteed : 250℃/10 seconds,
0.375"(9.5mm) lead length, 5 lbs.(2.3kg) tension.
CURRENT 1.0 Ampere
VOLTAGE 50 to 600 Volts
DO-41
0.107(2.7)
0.080(2.0)
DIA.
1.0(25.4)
MIN.
0.205(5.2)
0.166(4.2)
Mechanical Data
· Case : JEDEC DO-41 molded plastic body
· Terminals : Plated axial lead solderable per MIL-STD-750,
method 2026
· Polarity : Color band denotes cathode end
· Mounting Position : Any
· Weight : 0.012 ounce, 0.34 gram
0.034(0.9)
0.028(0.7)
DIA.
1.0(25.4)
MIN.
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 by 20%)
Symbols
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375"(9.5mm) lead length T
A
=75℃
Peak forward surge current 8.3ms single
half sine-wave superimposed on rated load
(JEDEC method) at T
A
=75℃
Maximum instantaneous forward voltage
at 1.0A
Maximum DC reverse current at rated DC
blocking voltage
Maximum full load reverse current full cycle
average. 0.375"(9.5mm) lead length at
T
L
=55℃
Maximum reverse recovery time (Note 1)
Typical junction capacitance (Note 2)
Operating junction and storage
temperature range
I
R
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
1N4933
50
35
50
1N4934
100
70
100
1N4935
200
140
200
1.0
30.0
1.3
5.0
1N4936
400
280
400
1N4937
600
420
600
Units
Volts
Volts
Volts
Amp
Amps
Volts
μA
100
Trr
C
J
T
J
T
STG
150
15.0
-65 to +150
ns
pF
℃
Notes:
(1) Test conditions: I
F
=1.0A, V
R
=30V, di/dt=50A/μS, and Irr=10%I
RM
.
(2) Measured at 1MHz and applied reverse voltage of 4.0 Volts.
RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT(A)
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE (
℃)
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG.2-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
50
8.3m SINGLE HALF SINE WAVE
(JEDEC Method)
PEAK FORWARD SURGE
CURRENT(AMPERES)
40
30
20
10
0
1
2
4
6
8 10
20
40
60
100
NUMBER OF CYCLES AT 60Hz
FIG.3-TYPICAL JUNCTION CAPACITANCE
FIG.4-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
60
40
20
10
6
4
2
1
0.1 0.2
0.4
1
2
4
10
20
40
100
T
J
=25℃
INSTANTANEOUS FORWARD CURRENT(AMPERES)
200
100
JUNCTION CAPACITANCE(pF)
20
10
3
1
0.3
0.1
T
J
=25℃
REVERSE VOLTAGE. (V)
0.03
0.01
0.4
0.6
0.8
Pulse Width=300mS
1% Duty Cycle
1.0
1.2
1.4
1.6
1.8
FIG.5-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
1
8
2
3.8
m
H/1.4
W
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
R1
115Va
60Hz
10K
2W
3
7
30
W
50W
NON-INDUCTIVE
UNIT
UNDER TEST
Trr
Si(t) di/dt=50A/uS
6
5
C.PCLARE HPG 1002
4
1.0Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
IFM 1.0
30Vdc
CONSTANT VOLTAGE
SUPPLY
1APM
SLO.BLO
FUSE
C1
1.O
m
F
300V
R2
1
W
10W
NON-INDUCTIVE
C1
0
MINIMIZE ALL LEAD LENGTHS
A. TEKTRONIX 545A.K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1-ADJUSTED FOR 1.4
W
BETWEEN POINT 2
OF RELAY AND RECTIFIER INDUCTIVE=3.8uH
+10℃
R2-TEN-1W 10
W
% CARBON CORE IN PARALLEL TA=25
FOR RECTIFIER
-0
Zout 11/2
W
MAX DC TO 2kHz
IRM (REC)
SET TIME BASE FOR 50/100 ns/cm
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