CHENMKO ENTERPRISE CO.,LTD
GLASS PASSIVATED
FAST RECOVERY RECTIFIER
VOLTAGE RANGE 200 - 1000 Volts CURRENT 1.0 Ampere
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High switching capability
* Low leakage
* Low forward voltage drop
* High current capability
* Glass passivated junction
* High surge current capability
1N4942GPT
THRU
1N4948GPT
DO-41
0.034(0.9)
DIA.
0.028(0.7)
MECHANICAL DATA
Case:
JEDEC DO-41 molded plastic
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.35 gram
1.0(25.4)
MIN.
0.205(5.2)
0.166(4.2)
0.107(2.7)
DIA.
0.080(2.0)
1.0(25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 H
Z
, resistive or inductive load.
For capacitive load, derate current by 20%.
o
Dimensions in inches and (millimeters)
DO-41
MAXIMUM RATINGES
( At T
A
= 25 C unless otherwise noted )
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current at T
A
= 55 C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 1)
Operating and Storage Temperature Range
I
FSM
30
Amps
o
o
SYMBOL
V
RRM
V
RMS
V
DC
I
O
1N4942GPT 1N4944GPT 1N4946GPT 1N4947GPT 1N4948GPT UNITS
200
140
200
400
280
400
600
420
600
1.0
800
560
800
1000
700
1000
Volts
Volts
Volts
Amps
C
J
T
J
,
STG
15
-65 to +175
pF
o
C
ELECTRICAL CHARACTERISTICS
( At T
A
= 25
o
C unless otherwise noted )
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 1.0 A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage at T
A
= 25
o
C
Maximum Full Load Reverse Current Average,
Full Cycle 0.375" (9.5mm) lead length at T
L
= 55
o
C
Maximum Reverse Recovery Time (Note 2)
SYMBOL
V
F
I
R
100
trr
150
250
500
uAmps
nSec
1N4942GPT 1N4944GPT 1N4946GPT 1N4947GPT 1N4948GPT UNITS
1.3
5.0
Volts
uAmps
RATING CHARACTERISTIC CURVES ( 1N4942GPT THRU 1N4948GPT )
50
NONINDUCTIVE
10
NONINDUCTIVE
trr
+0.5A
(-)
0
PULSE
GENERATOR
(NOTE 2)
-0.25A
AVERAGE FORWARD CURRENT, ( A )
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
1.0
(+)
25 Vdc
(approx)
(-)
D.U.T
0.5
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
-1.0A
NOTES: 1. Rise Time = 7 ns max. Input Impedance =
1 megohm. 22 pF.
2. Rise Time = 10 ns max. Source Impedlance=
50 ohms.
1cm
SET TIME BASE FOR
50/100 nS/cm
0
0
25 50 75 100 125 150 175
AMBIENT TEMPERATURE ( C )
O
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS FORWARD CURRENT, ( A )
INSTANTANEOUS REVERSE CURRENT, (uA)
10
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
Pulse Width = 300uS
1% Duty Cycle
10
T
J
=125
o
C
1.0
1.0
T
J
=75
o
C
0.1
.1
T
J
=25 C
o
T
J
=25
o
C
.01
.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
.001
0
.2
.4
.6
.8
1.0
1.2 1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE, ( V )
1.8
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, ( A )
35
JUNCTION CAPACITANCE, ( pF )
30
25
20
15
10
5
0
1
2
5
10
20
NUMBER OF CYCLES AT 60 Hz
50
100
8.3ms Single Half Sine-Wave
(JEDEC Method)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20
REVERSE VOLTAGE, ( V )
40
100
T
J
=25
o
C
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