US1A THRU US1M
FEATURES
SURFACE MOUNT HIGH EFFICIENCY RECTIFIER
REVERSE VOLTAGE 50 to 1000 Volts FORWARD CURRENT 1.0 Ampere
DO-214AC（SMA）
Plastic package has underwrites laboratory flammability
Classification 94V-0
Built-in strain relief, ideal for automated placement
Glass Passivated chip junction
Fast switching speed for high efficiency
High temperature soldering guaranteed:
260℃/10 second
MECHANICAL DATA
Case: JEDED DO-214AC molded plastic over
glass passivated chip
Terminals: Solder plated, Solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
MAXIMUM RATINGS AND ELECTRICAL
CHARACTERISTICS
Dimensions in inches and (millimeters)
Ratings at 25℃ ambient temperature unless otherwise specified ,
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load derate current by 20%
PARAMETER
SYMBOL US1A US1B US1D US1G US1J US1K US1M UNIT
Maximum Repetitive Peak Reverse Voltage
VRRM
50 100 200 400 600 800 1000 VOLTS
Maximum RMS Voltage
VRMS 35 70 140 280 420 560 700 VOLTS
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
At TA =55℃
Peak Forward Surge Current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage per at 1.0A
Maximum DC Reverse Current TA=25℃
at Rated DC blocking voltage
TA=125℃
Maximum Reverse Recovery Time
Test conditions IF=0.5A, IR=1.0A, IRR=0.25A
Typical Junction Capacitance (Measured at 1.0MHz
and applied reverse voltage of 4.0V)
Typical Thermal Resistance (Note 1)
VDC
I(AV)
IFSM
VF
IR
trr
CJ
RθJA
RθJL
50 100 200 400 600 800 1000 VOLTS
1.0 Amps
1.0
50
30
1.30
5.0
100
1.70
100
Amps
VOLTS
uA
nS
20
88
28
15 pF
℃/W
Operating Junction Temperature
TJ
-55 to +150
℃
Storage Temperature Rang
TSTG
-55 to +150
℃
1- Thermal resistance from Junction to ambient and from junction to lead mounted on P.C.B. with 0.2×0.2″(5.0 × 5.0mm)
copper pad areas.
Website: www.kingtronics.com Email: info@kingtronics.com Tel: (852) 8106 7033 Fax: (852) 8106 7099
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