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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 TA=55C with no thermal runaway High temperature soldering guaranteed: 350C/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
(R)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C 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 TA=55C * 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 TA= 25C TA=150C
VRRM VRMS VDC I(AV)
200 140 200
400 280 400
600 420 600 1.0
800 560 800
1000 700 1000
Volts Volts Volts Amp
IFSM VF IR trr CJ RJA TJ, TSTG 150
25.0 1.3 1.0 200.0 250 15.0 55.0 -65 to +175 500
Amps Volts A 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: IF=0.5A, IR=1.0A, Irr=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
TJ=TJ 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 HZ
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
TJ=125C
1
INSTANTANEOUS REVERSE CURRENT, MICROAMPERES
1
0.1
TJ=25C PULSE WIDTH = 300s 1% DUTY CYCLE
TJ=75C
0.1
0.01 0.4
0.6
0.8
1.0
1.2
1.4
1.6
TJ=25C
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
TJ=25C f=1.0 MHZ 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

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