1N4942 THRU 1N4948

FAST RECOVER RECTIFIER
VOLTAGE RANGE
CURRENT
1N4942 THRU 1N4948
200 to 1000 Volts
1.0 Ampere
DO-41
FEATURES
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•
•
•
•
Low coat construction
Fast switching for high efficency.
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension
.034(0.9)
.028(0.7)
1.0(25.4)
MIN.
.205(5.2)
.160(4.2)
MECHANICAL DATA
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•
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•
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DIA.
.107(2.7) DIA.
.080(2.0)
Case: Transfer molded plastic
Epoxy: UL94V-O rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.012 ounce, 0.33 grams
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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•
•
Ratings at 25OC ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS
VRRM
VRMS
VDC
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= 75℃
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
Maximum Instantaneous Forward Voltage @ 1.0A
Maximum DC Reverse Current at Rated
DC Blocking Voltage
TA = 25℃
TA = 100℃
Maximum Reverse Recovery Time (Note 3) T J=25℃
Typical Junction Capacitance (Note 1)
1N
4942
200
140
200
1N
4944
400
280
400
1N
4946
600
420
600
1N
4947
800
560
800
1N
4948
1000
700
1000
UNITS
Volts
Volts
Volts
I(AV)
1.0
Amp
IFSM
30
Amps
VF
1.3
5.0
100
250
15
Volts
IR
trr
CJ
150
µA
500
ns
pF
Typical Thermal Resistance (Note 2)
RθJA
50
℃/W
Operating Junction Temperature Range
TJ
TSTG
(-55 to +150)
(-55 to +150)
℃
Storage Temperature Range
Notes:
1.Measured at 1.0MHz and Applied Reverse Voltage of 4.0Volits.
2 Thermal Resistance from junction to Ambient at .375”(9.5mm)lead length, P.C.board mounted.
3.Reverse Recovery Test Conditions:If=0.5A,Ir=1.0A,Irr=0.25A
Web Site: www.hkmic.com
℃
FAST RECOVER RECTIFIER
VOLTAGE RANGE
CURRENT
1N4942 THRU 1N4948
200 to 1000 Volts
1.0 Ampere
RATING AND CHRACTERISTIC CURVES 1N4942 THRU
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
1.2
PEAK FORWARD SURGE
0.8
0.6
0.4
Single Phase
Half Wave 60Hz
Resistive or
0.2
Inductive Load
0.375"(9.5mm)Lead Length
0
0
25
50
100
75
150
125
8.3ms Single Half Sine-Wave
(JEDEC Method) Tj=Tjmax
CURRENT, (A)
AVERAGE FORWARD CURRENT,
(A)
30
1.0
20
10
0
175
1
2
4
6
8
10
40
20
60 80 100
NUMBER OF CYCLES AT 60 Hz
AMBIENT TEMPERATURE, (° C)
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
FIG.3-TYPICAL INSTANTANEOUS
20
10
INSTANTANEOUS REVERSE CURRENT,
(mA)
10
(A)
INSTANTANEOUS FORWARD CURRENT,
FORWARD CHARACTERISTICS
20
1.0
0.1
Tj =25° C
Pulse Width=300us
1% Duty Cycle
0.01
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tj =125° C
10
Tj =75° C
0.1
Tj =25° C
0.01
0
INSTANTANEOUS FORWARD VOLTAGE,(V)
20
40
60
80
140
120
100
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.5-TYPICAL JUNCTION CAPACITANCE
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE REXOVERY TIME CHARACTERISTIC
CAPACITANCE,(pF)
100
+0.5A
50Ω
NONINDUCTIVE
10Ω
NONINDUCTIVE
(-)
(+)
25 Vdc
(approx)
(-)
10
D.U.T
1Ω
NON
INDUCTIVE
PULSE
GENERATIOR
(NOTE 2)
0
0.25A
OSCILLOSCOPE
(NOTE 1)
-1.0A
TJ=25° C F=1MHz
NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF
2.Rise time=10ns max.Source Impedance=50 ohms
Vsig=50mVp-p
1
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
Web Site: www.hkmic.com
SET TIME BASE FOR
50 /100NS /cm
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