RECOVER RECTIFIER. 1N4948 Datasheet

1N4948 RECTIFIER. Datasheet pdf. Equivalent


Part 1N4948
Description FAST RECOVER RECTIFIER
Feature 1N4942 THRU 1N4948 FAST RECOVER RECTIFIER VOLTAGE RANGE CURRENT 200 to 1000 Volts 1.0 Ampere FEAT.
Manufacture MIC
Datasheet
Download 1N4948 Datasheet


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1N4948
1N4942 THRU 1N4948
FAST RECOVER RECTIFIER
VOLTAGE RANGE
CURRENT
200 to 1000 Volts
1.0 Ampere
FEATURES
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
MECHANICAL DATA
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.
.205(5.2)
.160(4.2)
1.0(25.4)
MIN.
DO-41
.034(0.9)
.028(0.7)
DIA.
.107(2.7) DIA.
.080(2.0)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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
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= 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) TJ=25
Typical Junction Capacitance (Note 1)
VRRM
VRMS
VDC
I(AV)
IFSM
VF
IR
trr
CJ
1N
4942
200
140
200
150
1N
4944
400
280
400
1N
4946
600
420
600
1.0
30
1.3
5.0
100
250
15
1N
4947
800
560
800
1N
4948
1000
700
1000
500
Typical Thermal Resistance (Note 2)
RθJA
50
Operating Junction Temperature Range
TJ
(-55 to +150)
Storage Temperature Range
TSTG (-55 to +150)
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
UNITS
Volts
Volts
Volts
Amp
Amps
Volts
µA
ns
pF
/W
Web Site: www.hkmic.com



1N4948
1N4942 THRU 1N4948
FAST RECOVER RECTIFIER
VOLTAGE RANGE
CURRENT
200 to 1000 Volts
1.0 Ampere
RATING AND CHRACTERISTIC CURVES 1N4942 THRU
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
1.2
1.0
0.8
0.6
0.4
0.2
0
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)Lead Length
25 50 75 100 125 150
AMBIENT TEMPERATURE, (° C)
175
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
8.3ms Single Half Sine-Wave
(JEDEC Method) Tj=Tjmax
20
10
01
2
4 6 8 10
20
40 60 80 100
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
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
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
10
TJ=25° C F=1MHz
Vsig=50mVp-p
1
0.1 1.0 10
REVERSE VOLTAGE,(V)
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
20
10
Tj =125° C
10
Tj =75° C
0.1
0.01
0
Tj =25° C
20 40 60 80 100 120
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
140
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE REXOVERY TIME CHARACTERISTIC
50Ω
NONINDUCTIVE
10Ω
NONINDUCTIVE
(+)
25 Vdc
approx
(-)
D.U.T
1Ω
NON
INDUCTIVE
(-)
PULSE
GENERATIOR
(NOTE 2)
OSCILLOSCOPE
(NOTE 1)
NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF
2.Rise time=10ns max.Source Impedance=50 ohms
+0.5A
0
0.25A
-1.0A
SET TIME BASE FOR
50 /100NS /cm
100
Web Site: www.hkmic.com







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