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RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
UFM301 THRU UFM304
SURFACE MOUNT GLASS PASSIVATED SUPER FAST SILICON RECTIFIER
VOLTAGE RANGE 50 to 200 Volts CURRENT 3.0 Amperes
FEATURES
* * * * * Glass passivated device For surface mounted applications Ultrafast recovery times for high efficiency Low forward voltage, low power loss Low leakage current
DO-214AB
MECHANICAL DATA
* * * * Epoxy : Device has UL flammability classification 94V-0 Metallurgically bonded construction Mounting position: Any Weight: 0.24 grams
0.125 (3.17) 0.115 (2.92) 0.280 (7.11) 0.260 (6.60) 0.245 (6.22) 0.220 (5.59)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%.
0.103 (2.62) 0.079 (2.06) 0.060 (1.52) 0.030 (0.76) 0.320 (8.13) 0.305 (7.75)
0.012 (0.305) 0.006 (0.152)
0.008 (0.203) 0.004 (0.102)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Volts Maximum DC Blocking Voltage Maximum Average Forward Current at TA = 55 oC Peak Forward Surge Current IFM (surge): 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ TJ, TSTG UFM301 50 35 50 UFM302 100 70 100 3.0 100 45 -55 to + 150 UFM303 150 105 150 UFM304 200 140 200 UNITS Volts Volts Volts Amps Amps pF
0
C
ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted) CHARACTERISTICS Maximum Forward Voltage at 3.0A DC Maximum DC Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 1) NOTES : 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. @TA = 25 o C @TA =100 o C SYMBOL VF IR trr UFM301 UFM302 0.9 10 uAmps 500 20 nSec 2002-4 UFM303 UFM304 UNITS Volts
RATING AND CHARACTERISTIC CURVES ( UFM301 THRU UFM304 )
AVERAGE FORWARD CURENT, (A)
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50 NONINDUCTIVE 10 NONINDUCTIVE
FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE
6.0 5.0 4.0 3.0 2.0 1.0 0 0 25 50 75 100 125 150175
Single Phase Half Wave 60Hz Resistive or Inductive Load
trr +0.5A
(-) PULSE GENERATOR (NOTE 2)
(+) 25 Vdc (approx) (-)
D.U.T
0 -0.25A
1 NONINDUCTIVE
OSCILLOSCOPE (NOTE 1)
(+)
-1.0A
NOTES:1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms.
1cm
SET TIME BASE FOR 10 ns/cm
AMBIENT TEMPERATURE (
)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (uA) INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 100
100
TJ = 150
10
TJ = 100
10
1.0
1
TJ = 25
.1
TJ = 25
Pulse Width = 300uS 1% Duty Cycle
.1
.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
PEAK FORWARD SURGE CURRENT, (A)
.01 0 .2 .4 .6 .8 1.0 1.2 1.4 INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 6 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
175 150 125 100 75 50 25 0 1 2 5 10 20 50 NUMBER OF CYCLES AT 60Hz 100
8.3ms Single Half Sine-Wave (JEDEC Method)
200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100
TJ = 25
REVERSE VOLTAGE, ( V )
RECTRON
Mounting Pad Layout
0.185 MAX. (4.69 MAX.)
0.121 MIN. (3.07 MIN.)
0.060 MIN. (1.52 MIN.) 0.320 REF
Dimensions in inches and (millimeters)
RECTRON

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