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UF1A - UF1M
1.0 AMP. Glass Passivated High Efficient Rectifiers DO-41 / DO-204AL
Features
Plastic package has Underwriters Laboratory Flammability Classification 94V0 Ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes Glass passivated chip junction Excellent high temperature switching Ultrafast recovery time for high efficiency Soft recovery characteristics High temperature soldering guaranteed: 260 oC/10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension
Mechanical Data
Case: JEDEC DO-204AL molded plastic body over passivated chip Terminals: Pure tin plated, lead free, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode Mounting Position: Any Weight: 0.012 ounce, 0.34 gram
Dimensions in inches and (millimeters)
Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%
Maximum Ratings and Electrical Characteristics
Type Number
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 55 oC Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current @ T A =25 o C at Rated DC Blocking Voltage @ T A =125 oC Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Typical Thermal Resistance (Note 3)
Symbol UF1A UF1B UF1D UF1G
UF1J
UF1K UF1M
Units
V V V A A
V RRM V RMS V DC I(AV) IFSM VF IR Trr Cj
R JA R JL
50 35 50
100 70 100
200 140 200
400 280 400 1.0 30
600 420 600
800 560 800
1000 700 1000
1.0 5.0 150 50 17 60 15 -55 to + 150
1.7
V uA uA nS pF
o
75
C/W
o Operating/Storage Temperature Range T J, TSTG C 1. Reverse Recovery Test Conditions: IF =0.5A, IR =1.0A, IRR =0.25A Notes: 2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. 3. Thermal Resistance from junction to ambient and from Junction to Lead length .375" (9.5mm), Mounted on 0.2" x 0.2" (5mm x 5mm) Cu pads.
Version: A06
RATINGS AND CHARACTERISTIC CURVES (UF1A THRU UF1M)
FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT. (A)
1.0
RESISTIVE OR INDUCTIVE LOAD 0.375"(9.5mm) LEAD LENGTH
FIG.2- TYPICAL FORWARD CHARACTERISTICS
5
UF1J-UF1M
INSTANTANEOUS FORWARD CURRENT. (A)
1
0.5
Tj=25 C PULSE WIDTH=300 s 1% DUTY CYCLE
o
0.1
UF1J-UF1M
0 10 20 40 60 80 100
o
120
140
160
LEAD TEMPERATURE. ( C)
0.01
FIG.3- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
30
PEAK FORWARD SURGE CURRENT. (A)
25
TJ = 55 0C 8.3ms Single Half Sine Wave JEDEC Method
0.001 0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLTAGE. (V) 20
15
10
FIG.5- TYPICAL REVERSE CHARACTERISTICS
200 TJ=125 0C
5 100 0 1 10 NUMBER OF CYCLES AT 60Hz 100
INSTANTANEOUS REVERSE CURRENT. (mA)
TJ=100 C 10 TJ=125 C TJ=100OC 1 TJ=25 C
O O
O
100
FIG.4- TYPICAL JUNCTION CAPACITANCE
UF 1J-
JUNCTION CAPACITANCE.(pF)
UF
UF1
1M
A-U
F1G
10
0.1
Tj=25 0C f=1.0MHz Vsig=50mVp-p
UF1A-UF1G UF1J-UF1M 100 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
1
0.1
1 REVERSE VOLTAGE. (V)
10
FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr
NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms
-1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm
Version: A06

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