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US1D-SMA Datasheet, PDF (1/2 Pages) DONGGUAN YOU FENG WEI ELECTRONICS CO., LTD – SURFACE MOUNT ULTRA FAST RECTIFIER
US1A THRU US1M
SURFACE MOUNT ULTRA FAST RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 1.0 Ampere
DO-214AC/SMA
0.067 (1.70)
0.051 (1.30)
0.177(4.50)
0.157(3.99)
0.110(2.80)
0.100(2.54)
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
0.096(2.42)
0.078(1.98)
MECHANICAL DATA
0.060(1.52)
0.030(0.76)
0.008(0.203)MAX.
0.222(5.66)
0.194(4.93)
Dimensions in inches and (millimeters)
Case: JEDEC DO-214AC molded plastic body
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.002 ounce, 0.07 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%.
YFW Catalog Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at TL=55 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA=25 C
at rated DC blocking voltage TA=100 C
Maximum reverse recovery time (NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
SYMBOLS US1A US1B US1D US1G US1J US1K US1M
VRRM
VRMS
VDC
50 100 200 400 600 800 1000
35 70 140 280 420 560 700
50 100 200 400 600 800 1000
I(AV)
1.0
IFSM
VF
IR
trr
CJ
RθJA
TJ,TSTG
30.0
1.0
1.3
1.7
5.0
50.0
50
75
15.0
50.0
-65 to +150
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
UNITS
VOLTS
VOLTS
VOLTS
Amp
Amps
Volts
µA
ns
pF
C/W
C
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