1N4942GP THRU 1N4948GP
GLASS PASSIVATED JUNCTION FAST
SWITCHING PLASTIC RECTIFIER
Reverse Voltage -
200 to 1000 Volts
*
D
DO-204AL
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
=55°C with no thermal
runaway
♦
High temperature soldering guaranteed:
350°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
E
N
T
E
P
A
T
1.0 (25.4)
MIN.
0.107 (2.7)
0.080 (2.0)
DIA.
0.205 (5.2)
0.160 (4.1)
1.0 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
DIA.
NOTE:
Lead diameter is
0.026 (0.66)
0.023 (0.58)
for suffix "E" part numbers
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
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
®
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
1N
4942GP
1N
4944GP
1N
4946GP
1N
4947GP
1N
4948GP
UNITS
* Maximum repetitive peak reverse voltage
* Maximum RMS voltage
* Maximum DC blocking voltage
* Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=55°C
* Peak forward surge current
8.3ms single half sine-wave superimposed
on rated load (JEDEC Method)
* Maximum instantaneous forward voltage at 1.0A
* Maximum DC reverse current
at rated DC blocking voltage
T
A
= 25°C
T
A
=150°C
V
RRM
V
RMS
V
DC
I
(AV)
200
140
200
400
280
400
600
420
600
1.0
800
560
800
1000
700
1000
Volts
Volts
Volts
Amp
I
FSM
V
F
I
R
t
rr
C
J
R
ΘJA
T
J,
T
STG
150
25.0
1.3
1.0
200.0
250
15.0
55.0
-65 to +175
500
Amps
Volts
µA
ns
pF
°C/W
°C
* Maximum reverse recovery time
(NOTE 1)
Typical junction capacitance
(NOTE 2)
Typical thermal resistance
(NOTE 3)
* Operating junction and storage temperature range
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
RATINGS AND CHARACTERISTIC CURVES 1N4942GP THRU 1N4948GP
FIG. 1 - FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
1.0
PEAK FORWARD SURGE CURRENT,
AMPERES
RESISTIVE OR
INDUCTIVE LOAD
30
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0.75
25
20
0.5
15
0.25
0.375" (9.5mm) LEAD LENGTH
10
5.0
1
10
NUMBER OF CYCLES AT 60 H
Z
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE, °C
100
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS
10
INSTANTANEOUS FORWARD CURRENT,
AMPERES
20
10
T
J
=125°C
1
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
1
0.1
T
J
=25°C
PULSE WIDTH = 300µs
1% DUTY CYCLE
T
J
=75°C
0.1
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
T
J
=25°C
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
0.01
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
TRANSIENT THERMAL IMPEDANCE (°C/W)
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
30
JUNCTION CAPACITANCE, pF
T
J
=25°C
f=1.0 MH
Z
Vsig=50mVp-p
100
10
10
1
1
1
10
REVERSE VOLTAGE, VOLTS
100
0.1
0.01
0.1
1
10
100
t, PULSE DURATION, sec
DSP and ARM Processors
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