1N4942G THRU 1N4948G

FAST RECOVERY GLASS PASSIVATED RECTIFIER
1N4942G THRU 1N4948G
VOLTAGE RANGE
200 to 1000 Volts
CURRENT
1.0 Ampere
FEATURES
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DO-41
Fast switching for high efficiency
Glass passivated chip junction
High current surge capability
Low leakage
High temperature soldering guaranteed
260℃/10 seconds,0.375”(9.5mm)lead length at 5 lbs (2.3kg) tension
MECHANICAL DATA
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Case: Transfer molded plastic
Epoxy: UL94V-0 rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.012ounce, 0.33 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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Ratings at 25℃ ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS 1N4942G 1N4944G
Maximum Repetitive Peak Reverse Voltage
VRRM
200
400
Maximum RMS Voltage
VRMS
140
280
Maximum DC Blocking Voltage
VDC
200
400
Maximum Average Forward Rectified Current
0.375″(9.5mm) lead length at T A =55℃
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
1N4946G
600
420
600
1N4947G
800
560
800
1N4948G
1000
700
1000
UNIT
Volts
Volts
Volts
I(AV)
1.0
Amp
IFSM
30
Amps
Maximum Instantaneous Forward Voltage at 1.0A
VF
IR
1.3
5.0
200
250
15
50
(-55 to +150)
(-55 to +150)
Volts
Maximum DC Reverse Current at rated TA = 25℃
DC Blocking Voltage
TA = 125℃
Maximum Reverse Recovery Time(NOTE 3)
Typical Junction Capacitance (NOTE 1)
Typical Thermal Resistance (NOTE 2)
Operating Temperature Range
Storage Temperature Range
trr
CJ
RθJA
TJ
TSTG
150
Notes:
1. Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts.
2. Thermal Resistance from Junction to Ambient at.375″(9.5mm) lead length, P.C board mounted.
3. Test conditions: IF=0.5A, IR=1.0A, IRR=0.25A.
Web Site: www.hkmic.com
µA
500
nS
pF
℃/W
℃
℃
FAST RECOVERY GLASS PASSIVATED RECTIFIER
1N4942G THRU 1N4948G
VOLTAGE RANGE
200 to 1000 Volts
CURRENT
1.0 Ampere
RATING AND CHRACTERISTIC CURVES 1N4942G THRU 1N4948G
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375″(9.5mm)
Lead Length
1.0
0.8
0.6
0.4
0.2
30
CURRENT, (A)
PEAK FORWARD SURGE
1.2
(A)
AVERAGE FORWARD CURRENT,
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
8.3ms Single Half Sine-Wave
(JEDEC Method) T= Tjmax
20
10
1 Cycle
0
0
25
50 55
100
75
125
175
150
0
1
2
AMBIENT TEMPERATURE, (° C)
4
FIG.3-TYPICAL INSTANTANEOUS
INSTANTANEOUS REVERSE CURRENT,
(μA)
1.0
(A)
INSTANTANEOUS FORWARD CURRENT,
10
0.1
TJ =25° C
Pulse Width=300us
1% Duty Cycle
0.6
0.8
1.0
1.2
1.4
1.6
8 10
40
20
60
100
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
FORWARD CHARACTERISTICS
0.01
0.4
6
NUMBER OF CYCLES AT 60 Hz
1.8
20
10
TJ =125° C
1.0
TJ=75° C
0.1
TJ=25° C
INSTANTANEOUS FORWARD VOLTAGE,(V)
0.01
0
20
40
60
100
80
120
140
PERCENT OF RATED PEAK
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(%)
JUNCTION CAPACITANCE,(pF)
100
F1G.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
Trr
50Ω
10Ω
NONINDUCTIVE NONINDUCTIVE
+0.5A
(-)
10
(+)
25 Vdc
(approx.)
(-)
T J =25° C
f=1MHz
Vsig=50mVp-p
1.0
1Ω
NON
INDUCTIVE
PULSE
GENERATIOR
(NOTE 2)
0
-0.25A
(+)
OSCILLOSCOPE
(NOTE 1)
-1.0A
1cm
1
0.1
D.U.T.
10
REVERSE VOLTAGE,(V)
100
NOTES : 1.Rise Time=7ns mas. Input Impedance=
1 magohm. 22pF
2.Rise time=10ns max. Source Impedance=
50 ohms
Web Site: www.hkmic.com
SET TIME BASE FOR
50/100ns/cm