Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Thermal Characteristics
Electrical Characteristics
Maximum Ratings
Features
•
•
•
•
•
•
•
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage (Note 5)
RMS Reverse Voltage
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load
Typical Thermal Resistance, Junction to Terminal
Operating and Storage Temperature Range
Forward Voltage Drop
Peak Reverse Current
at Rated DC Blocking Voltage (Note 5)
Reverse Recovery Time (Note 4)
Typical Total Capacitance (Note 3)
Notes:
US1A - US1M
Document number: DS16008 Rev. 9 - 2
Glass Passivated Die Construction
Ultra-Fast Recovery Time for High Efficiency
Surge Overload Rating to 30A Peak
High Current Capability
Ideally Suited for Automated Assembly
Lead Free Finish/RoHS Compliant (Note 1)
Green Molding Compound (No Halogen and Antimony)
(Note 2)
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/quality/lead_free.html.
2. Product manufactured with Data Code 0924 (week 24, 2009) and newer are built with Green Molding Compound.
3. Measured with I
4. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
5. Short duration pulse test used to minimize self-heating effect.
Characteristic
Characteristic
Characteristic
F
= 0.5A, I
@T
A
R
= 25°C unless otherwise specified
= 1.0A, I
@T
rr
= 0.25A. See figure 5.
A
= 25°C unless otherwise specified
@ T
@ T
@ T
@ I
A
A
Top View
= 100°C
T
F
= 25°C
= 75°C
= 1.0A
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Symbol
Symbol
Symbol
T
V
V
V
J,
R(RMS)
R
I
1 of 4
V
I
FSM
RWM
V
C
RRM
I
RM
T
t
θ JT
FM
O
rr
R
T
STG
Green
•
•
•
•
•
•
•
•
Mechanical Data
Bottom View
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US1A
US1A
1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER
Case: SMA
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Lead Free Plating (Matte Tin Finish). Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band or Cathode Notch
Marking Information: See Page 3
Ordering Information: See Page 3
Weight: 0.064 grams (approximate)
50
35
US1B
US1B
100
1.0
70
50
20
US1D
US1D
200
140
-65 to +150
US1G
Value
US1G
400
280
100
1.0
1.3
5.0
30
30
US1J
US1J
600
420
US1A - US1M
US1K
US1K
800
560
1.7
75
10
© Diodes Incorporated
US1M
US1M
1000
700
July 2009
°C/W
Unit
Unit
Unit
μA
°C
ns
pF
V
V
A
A
V