1N4942GP THRU 1N4948GP
GLASS PASSIVATED JUNCTION FAST
SWITCHING PLASTIC RECTIFIER
Reverse Voltage - 200 to 1000 Volts Forward Current - 1.0 Ampere
FEATURES
Plastic package has
Underwriters Laboratory
Flammability Classification 94V-0
High temperature metallurgically bonded construction
For use in high frequency rectifier circuits
Fast switching for high efficiency
Glass passivated cavity-free junction
Capable of meeting environmental standards of
MIL-S-19500
1.0 Ampere operation at T
A
=55C with no thermal
runaway
High temperature soldering guaranteed:
350C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
MECHANICAL DATA
Case: JEDEC DO-204AL molded plastic over glass body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce, 0.3 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
1N
1N
1N
1N
1N
SYMBOLS
4942GP
4944GP
4946GP
4947GP
4948GP
UNITS
* Maximum repetitive peak reverse voltage
V
RRM
200
400
600
800
1000
Volts
* Maximum RMS voltage
V
RMS
140
280
420
560
700
Volts
* Maximum DC blocking voltage
V
DC
200
400
600
800
1000
Volts
* Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=55C
I
(AV)
1.0
Amp
* Peak forward surge current
8.3ms single half sine-wave superimposed
on rated load (JEDEC Method)
I
FSM
25.0
Amps
* Maximum instantaneous forward voltage at 1.0A
V
F
1.3
Volts
* Maximum DC reverse current
T
A
= 25C
1.0
at rated DC blocking voltage
T
A
=150C
I
R
200.0
A
* Maximum reverse recovery time
(NOTE 1)
t
rr
150
250
500
ns
Typical junction capacitance
(NOTE 2)
C
J
15.0
pF
Typical thermal resistance
(NOTE 3)
R
JA
55.0
C/W
* Operating junction and storage temperature range
T
J,
T
STG
-65 to +175
C
NOTES:
(1) Reverse recovery test conditions: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
(3) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length, P.C.B. mounted
* JEDEC registered values
4/98
0.107 (2.7)
0.080 (2.0)
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
DIA.
NOTE:
Lead diameter is for suffix "E" part numbers
0.026 (0.66)
0.023 (0.58)
DO-204AL
Dimensions in inches and (millimeters)
*
Glass-plastic encapsulation technique is covered by
Patent No. 3,996,602 and brazed-lead assembly by Patent No,3,930,306
P
A
TENTED*
25
50
75
100
125
150
175
0
0.25
0.5
0.75
1.0
1
10
100
5.0
10
15
20
25
30
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10
1
10
100
1
10
30
0
20
40
60
80
100
0.01
0.1
1
10
20
0.01
0.1
1
10
100
0.1
1
10
100
RATINGS AND CHARACTERISTIC CURVES 1N4942GP THRU 1N4948GP
AMBIENT TEMPERATURE, C
A
VERA
GE FOR
W
ARD RECTIFIED CURRENT
,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60 H
Z
PEAK FOR
W
ARD SURGE CURRENT
,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,
AMPERES
INST
ANT
ANEOUS REVERSE CURRENT
,
MICR
O
AMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION
CAP
A
CIT
ANCE, pF
REVERSE VOLTAGE, VOLTS
T
J
=125C
T
J
=25C
T
J
=25C
PULSE WIDTH = 300
s
1% DUTY CYCLE
T
J
=25C
f=1.0 MH
Z
Vsig=50mVp-p
FIG. 1 - FORWARD CURRENT DERATING CURVE
0.375" (9.5mm) LEAD LENGTH
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=75C
RESISTIVE OR
INDUCTIVE LOAD
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
TRANSIENT
THERMAL IMPED
ANCE (
C/W)
t, PULSE DURATION, sec
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