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Details, datasheet, quote on part number:1N4946-B
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Datasheet text preview:
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
1N4942 THRU 1N4948
FAST RECOVERY RECTIFIER
VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere
FEATURES
* * * * * High switching capability Low leakage Low forward voltage drop High current capability High surge current capability
DO-41
MECHANICAL DATA
* * * * * C a s e : Molded plastic E p o x y : Device has UL flammability classification 94V-O L e a d : MIL-STD-202E method 208C guaranteed M o u n t i n g position: Any W e i g h t : 0.33 gram
.034 (0.9) DIA. .028 (0.7)
1.0 (25.4) MIN.
.205 (5.2) .166 (4.2)
.107 (2.7) .080 (2.0)
DIA.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
R a t i n g s at 25 o C ambient temperature unless otherwise specified. S i n g l e phase, half wave, 60 Hz, resistive or inductive load. F o r capacitive load, derate current by 20%.
1.0 (25.4) MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) R AT I N G S M a x i m u m Recurrent Peak Reverse Voltage M a x i m u m RMS Voltage M a x i m u m DC Blocking Voltage M a x i m u m Average Forward Rectified Current a t TA = 75 oC P e a k Forward Surge Current 8.3 ms single half sine-wave s u p e r i m p o s e d on rated load (JEDEC method) T y p i c a l Junction Capacitance (Note 2) Operating and Storage Temperature Range SYMBOL VR R M VRMS V DC IO I FSM CJ T J , TSTG 1N4942 200 140 200 1N4944 400 280 400 1N4946 600 420 600 1.0 30 15 -55 to + 150 1N4947 800 560 800 1N4948 1000 700 1000 UNITS Volts Volts Volts Amps Amps pF
0
C
E L E C T R I C A L CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS M a x i m u m Instantaneous Forward Voltage at 1.0A DC M a x i m u m DC Reverse Current a t Rated DC Blocking Voltage TA = 25 oC M a x i m u m Full Load Reverse Current Full Cycle A v e r a g e , .375" (9.5mm) lead length at TL = 55 oC M a x i m u m Reverse Recovery Time (Note 1) N O T E S : 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts SYMBOL VF 1N4942 1N4944 1N4946 1.3 5.0 IR 100 trr 150 250 500 uAmps nSec 2002-11 1N4947 1N4948 UNITS Volts uAmps
RATING AND CHARACTERISTIC CURVES ( 1N4942 THRU 1N4948 )
INSTANTANEOUS FORWARD CURRENT, (A)
AVERAGE FORWARD CURRENT, (A)
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 1.0 .8 .6 .4 .2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, ( )
Single Phase Half Wave 60Hz Resistive or Inductive Load
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10
1.0
TJ = 25
.1
Pulse Width=300uS 1% Duty Cycle
.01 .4
.6
.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
FORWARD SURGE CURRENT, (A)
SURGE CURRENT 50
8.3ms Single Half Sine-Wave (JEDED Method)
INSTANTANEOUS REVERSE CURRENT, (uA)
20 10
TJ = 125
40
30
1.0
TJ = 75
20
.1
TJ = 25
10 1 0 0 2 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60Hz
.01 0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE, ( V )
TJ = 25
(+) 25 Vdc (approx) (-)
FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50 NONINDUCTIVE 10 NONINDUCTIVE
trr +0.5A (-) 0 PULSE
GENERATOR
D.U.T
-0.25A
(NOTE 2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) (+) -1.0A
1 NOTES: Rise Time = 7ns max. Input Impedance = 1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms.
1cm
SET TIME BASE FOR 50/100 ns/cm
RECTRON
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