Plastic Fast Recovery Rectifier
COMCHIP
www.comchiptech.com
1N4933 THRU 1N4937
Voltage Range 50 to 600 V
Current 1.0 Ampere
Features
Fast switching for high efficiency
Low forward voltage drop
High current capability
Low reverse leakage current
High surge current capability
.034(.86)
.028(.71)
1.0(25.4)
MIN.
DIA.
DO-41
Mechanical Data
Case: Molded plastic DO-41
Epoxy: UL 94V-0 rate flame retardant
Terminals: Solderable per MIL-STD-202
method 208
Polarity:Color band denotes cathode
Mounting position: Any
Weight: 0.036gram
.205(5.2)
.160(4.1)
.107(2.7)
.080(2.0)
1.0(25.4)
MIN.
DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
SYMBOL
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
Current T
L
=55
C
Peak Forward Surge Current, 8.3ms single
Half sine-wave superimposed on rated load
(JEDEC method)
Maximum Instantaneous Forward Voltage
@ 1.0 A
Maximum DC Reverse Current @T
J
=25
C
At Rated DC Blocking Voltage @T
J
=100
C
Maximum Reverse Recovery Time (Note 1)
Typical junction Capacitance (Note 2)
Typical Thermal Resistance (Note 3)
Operating Junction and Storage
Temperature Range
o
o
o
1N4933
50
35
50
1N4934
100
70
100
1N4935
200
140
200
1.0
1N4936
400
280
400
1N4937
600
420
600
UNIT
V
V
V
A
V
RRM
V
RMS
V
DC
IF
(AV)
I
FSM
30
A
V
F
1.2
5.0
250
130
15
75
-55 to + 125
o
V
uA
uA
nS
pF
CW
o
I
R
Trr
C
J
R
JA
T
J
, T
STG
C
NOTES : (1) Reverse recovery test conditions I
F
= 0.5A, I
R
= 1.0A, Irr = 0.25A.
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts DC.
(3) Thermal Resistance junction to lead.
MDS0405001A
Page 1
Plastic Fast Recovery Rectifier
COMCHIP
www.comchiptech.com
FIG.1 - FORWARD CURRENT DERATING CURVE
1.0
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
30
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
Pulse Width 8.3ms
Single Half-Sire-Wave
(JEDEC Method)
0.8
25
20
0.6
15
0.4
10
0.2
60 Hz Resistive or
Inductive load
0
0
50
100
o
5
0
150
1
10
100
LEAD TEMPERATURE, C
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
10
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
1000
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
100
T
J
=100 C
o
1.0
10
0.1
1
T
J
=25 C
o
0.01
0.2
0.4
0.6
0.8
T
J
=25 C
PULSE WIDTH=300uS
1% DUTY CYCLE
1.0
1.2
1.4
1.6
o
0.1
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE, pF
T
J
= 25 C
f = 1.0 MHZ
Vsig = 50mVp-p
o
10
1
0.1
1.0
4.0
10
100
REVERSE VOLTAGE, VOLTS
MDS0405001A
Page 2