BL
FEATURES
Low cost Low leakage
GALAXY ELECTRICAL
USF21 --- USF24
VOLTAGE RANGE: 50 --- 200 V CURRENT: 2.0 A
SUPER FAST RECTIFIER
DO - 15
Low forward voltage drop High current capability Easily cleaned with alcohol,Isopropanol and similar solvents The plastic material carries U/L recognition 94V-0
MECHANICAL DATA
Case:JEDEC DO--15,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight: 0.014 ounces,0.39 grams Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60Hz,resistive or inductive load. For capacitive load,derate by 20%.
USF21
Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA=75
USF22
100 70 100 2.0
USF23
150 105 150
USF24
200 140 200
UNITS
V V V A
VRRM VRMS VDC IF(AV)
50 35 50
Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ=125
IFSM
75.0
A
Maximum instantaneous forw ard voltage @ 2.0A Maximum reverse current at rated DC blocking voltage @TA=25 @TA=100
VF IR trr CJ RθJA TJ TSTG
0.92 10.0 350.0 20 15 40 - 55 ----- + 150 - 55 ----- + 150
V A ns pF /W
Maximum reverse recovery time (Note1) Typical junction capacitance Typical thermal resistance (Note2) (Note3)
Operating junction temperature range Storage temperature range
NOTE: 1. Measured with I F=0.5A, I R=1A, I rr=0.25A.
www.galaxycn.com
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient.
Document Number 0264029
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
trr
50 N 1. 10 N 1.
USF21 --- USF24
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
+0.5A 0
PULSE GENERATOR (NOTE2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1)
D.U.T. (+) 25VDC (approx) (-)
-0.25A
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF. JJJJJ2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 10/20 ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
100 40 20 10 4.0 2.0 1.0 0.4 0.2 0.1 0.04 0.02 0.01 0 0 .2 0 .4 0 .6 0 .8 1 .0 1 .2 1 .4
FIG.3 -- FORWARD DERATING CURVE AVERAGE FORWARD CURRENT AMPERES
3
z
INSTANTANEOUS FORWARD
CURRENT, AMPERES
TJ=25 P u l s e W id t h = 3 0 0 µ s
2
1
S in g le P h a se H a lf W a ve 6 0 H Z R e s is tive o r In d u c tiv e L o a d 0 .3 7 5 "(9 .5 m m )L e a d L e n g th
0
0
25
50
75
100
125
150
175
INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG.4 -- TYPICAL JUNCTION CAPACITANCE
AMBIENT TEMPERATURE, FIG.5 -- PEAK FORWARD SURGE CURRENT
JUNCTION CAPACITANCE,pF
PEAK FORWARD SURGE CURRENT, AMPERES
100 60 40 20 10 6 4 2 1 0.1 0.2
TJ=25 f=1.0MHZ
90 75 60 45 30 15 0 1 5 10 50 100
8.3ms Single Half Sine-Wave
0.4
1
2
4
10
20
40
100
REVERSE VOLTAGE,VOLTS FIG.6 -- TYPICAL REVERSE CHARACTERISTICS CURRENT, MICROAMPERES
NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS REVERSE
100
T J= 1 5 0
10
1
T J= 1 0 0
.1
T J= 2 5
.0 1 0
20
40
60
80
100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE,
www.galaxycn.com
Document Number 0264029
BLGALAXY ELECTRICAL
2.
很抱歉,暂时无法提供与“USF24”相匹配的价格&库存,您可以联系我们找货
免费人工找货