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UF2A thru UF2K
SURFACE MOUNT ULTRAFAST RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE -50 TO 800 VOLTS CURRENT -2.0 Amperes
SMB/DO-214AA
FEATURES
For surface mounted applications Low profile package Built-in strain relief Easy pick and place Ultrafast recovery times for high efficiency Plastic package has Underwriters Laboratory Flammability Classification 94V-O Glass passivated junction High temperature soldering 260oC/10 seconds at terminals
.075(1.91) .083(2.11) .130(3.30) .155(3.94)
.160(4.06) .185(4.70) .006(.152) .012(.305)
.083(2.13) .096(2.44) .002(.051) .008(.203) .200(5.08) .220(5.59)
MECHANICAL DATA
Case: JEDEC DO-214AA molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Standard Packaging: 12mm tape (EIA-481) Weight: 0.003 ounces, 0.093 gram
.030(0.76) .050(1.27)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 250C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, reistive or inductive load. For capacitive load, derate current by 20%.
SYMBOLS
UF2A
50 35 50
UF2B
100 70 100
UF2D
200 140 200 2.0
UF2G
400 280 400
UF2J
600 420 600
UF2K
800 560 800
UNITS
V V V A
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current, at TL=90 C
0
VRRM VRMS VDC I(AV)
Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) TA=55 C
0
IFSM VF IR
0
50.0
A
Maximum Instantaneous Forward Voltage at 2.0A Maximum DC Reverse Current at Rated DC Blocking Voltage
@ TA=250C @ TA=1000C
1.0 10.0 200 50.0
28
1.4
1.7
V
A
100.0
Maximum Reverse Recovery Time (Note 1) TJ=25 C Typical Junction Capacitance (Note 2) Maximum Thermal Resistance (Note 3) Operating and Storage Temperature Range R
TRR CJ JL TJ , TSTG
nS
pF
0
20.0 -50 to +150
C/W
0
C
Notes : 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1.0 MHZ and Applied Vr=4.0 volts. 3. 8.0mm2 (.013mm thick) land areas.
UF2A thru UF2K
SURFACE MOUNT ULTRAFAST RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES UF2A THRU UF2K
Fig. 2 - TYPICAL FORWARD CHARACTERISTICS PER ELEMENT
10 INSTANTANEOUS FORWARD CURRENT, AMPERES UF2A UF2G
TJ=25 C Pulse Width=300 s 2% Duly Cycle
0
Fig. 1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 2.4 2.0 1.6 1.2 0.8 0.4 0 0 20 40 60 80 100 120 140 160 LEAD TEMPERATURE, oC
SINGLE PHASE HALF W AVE 60HZ RESISTIVE OR INDUCTIVE LOAD P.C.B MOUNTED ON 0.3x0.3"(8.0x8.0mm) COPPER PAD AREAS
UF2K
1.0
0.1
0.01 0.4
0.4
0.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig. 4 - TYPICAL REVERSE CHARACTERISTICS Fig. 3 - MAXIMUM FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, AMPERES INSTANTANEOUS REVERSE CURRENT MICROAMPERES 60 50 40 30 20 10 0.01 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60Hz
8.3ms SINGLE HALF SINCE-WAVE JEDEC METHOD
10
1.0
0.1
TJ=250C
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE
FIG. 5 - TYPICAL JUNCTION CAPACITANCE PER BRIDGE ELEMENT
100
Fig. 6 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50 Noninductive 10 Noninductive
trr
+0.5A
() PULSE GENERATOR NOTE 2
CAPACITANCE, pF
(+) 25 Vdc (approx) ()
D.U.T.
0 -0.25
10 5
TJ=250C f=1.0MHz Vsig=50mVp-p
1 NONInductive
OSCILLOSCOPE NOTE 1
(+)
1.0
10 REVERSE VOLTAGE, VOLTS
100
NOTES:1. Rise Time=7ns max. Input Impedance=1 megohm. 22pF 2. Rise Time=10ns max. Source Impedance=50 Ohms.
-1.0 SET TIME BASE FOR 10ns/cm 1cm

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