Document
UF1A THRU UF1M
SURFACE MOUNT ULTRA FAST RE RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 1.0 Ampere
DO-214AA
0.086 (2.20) 0.077 (1.95)
0.180(4.57) 0.160(4.06)
0.122(3.12) 0.110(2.82)
0.060(1.52) 0.030(0.76)
0.008(0.203)MAX.
0.220(5.59) 0.205(5.21)
Dimensions in inches and (millimeters)
0.155(3.94) 0.130(3.30)
0.012(0.305) 0.006(0.152)
FEATURES
The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 For surface mounted applications Ultra fast switching for high efficiency Low reverse leakage Built-in strain relief,ideal for automated placement High forward surge current capability High temperature soldering guaranteed: 250 C/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.005 ounce, 0.138 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
SYMBOLS UF1A UF1B UF1D UF1G UF1J
Maximum repetitive peak reverse voltage Maximum RMS voltage
VRRM VRMS
Maximum DC blocking voltage
VDC
Maximum average forward rectified current at TL=55 C
I(AV)
Peak forward surge current
8.3ms single half sine-wave superimposed on
IFSM
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
VF
Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=100 C
IR
Maximum reverse recovery time (NOTE 1)
trr
Typical junction capacitance (NOTE 2)
CJ
Typical thermal resistance (NOTE 3) Operating junction and storage temperature range
RqJA TJ,TSTG
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A 2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
50 35 50
100 200 400 600 70 140 280 420 100 200 400 600
1.0
30.0
1.0 50
1.4 5.0 50.0
15.0 50.0 -65 to +150
UF1K UF1M 800 1000 560 700 800 1000
1.7
75
UNITS VOLTS VOLTS VOLTS
Amp
Amps
Volts uA
ns pF C/W C
www.shunyegroup.com.cn
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES
INSTANTANEOUS FORWARD CURRENT,AMPERES
RATINGS AND CHARACTERISTIC CURVES UF1A THRU UF1M
FIG. 1- FORWARD CURRENT DERATING CURVE
1.0
0.8
0.6
0.4 Single Phase Half Wave 60Hz Resistive or inductive Load
0.2
0 0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, C
FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
20 10 TJ=25 C
PULSE WIDTH=300 ms 1%DUTY CYCLE
1
0.1 UF1A-UF1D UF1G UF1J-UF1M
0.01 0.2 0.6 1.0 1.4 1.8 2.0
INSTANTANEOUS FORWARD VOLEAGE, VOLTS
FIG. 5-TYPICAL JUNCTION CAPACITANCE
200 100 TJ=25 C
10
1 0.1
1.0
10 100
REVERSE VOLTAGE,VOLTS
TRANSIENT THERMAL IMPEDANCE, C/W
INSTANTANEOUS REVERSE CURRENT, MICROAMPERES
£PEAK FORWARD SURGE CURRENT, AMPERES
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
30
25
20
15
10 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
5.0 1
10
NUMBER OF CYCLES AT 60 Hz
100
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
1,000
100
TJ=100 C 10
1 TJ=25 C
0.1
0.01 0
20 40
60 80 100
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1 0.01
0.1 1
10
t,PULSE DURATION,sec.
100
JUNCTION CAPACITANCE, pF
www.shunyegroup.com.cn
.