UF1A - UF1M
1.0 AMP. Glass Passivated High Efficient Rectifiers DO-41 / DO-204AL
Features
P lastic package has Underwriters Laboratory Flammability Classification 94V0 Ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes G lass passivated chip junction E xcellent high temperature switching U ltrafast recovery time for high efficiency S oft recovery characteristics H igh temperature soldering guaranteed: 260 oC/10 seconds/.375”,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension
M echanical Data
C ase: JEDEC DO-204AL molded plastic body over passivated chip T erminals: Pure tin plated, lead free, solderable per MIL-STD-750, Method 2026 P olarity: Color band denotes cathode M ounting Position: Any W eight: 0.012 ounce, 0.34 gram
Dimensions in inches and (millimeters)
R ating 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%
M aximum Ratings and Electrical Characteristics
T ype Number
M aximum Recurrent Peak Reverse Voltage M aximum RMS Voltage M aximum DC Blocking Voltage M aximum Average Forward Rectified Current .375 (9.5mm) Lead Length @T A = 5 5 oC P eak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) M aximum Instantaneous Forward Voltage @ 1.0A M aximum 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)
S ymbol UF1A UF1B UF1D UF1G
UF1J
UF1K UF1M
Units
V V V A A
V RRM V RMS V DC I(AV) IFSM VF IR T rr Cj
R θJA R θJL
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, T STG C 1. Reverse Recovery Test Conditions: IF =0.5A, IR =1.0A, IRR =0.25A N otes: 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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