US1GWF
Green
1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER
Product Summary (@ TA = +25°C)
Features and Benefits
Low Profile, Small Form Factor Package
VRRM (V)
IO (A)
VF Max (V)
IR Max (µA)
Very Low Leakage Current
400
1
1.25
1
Glass Passivate Die Construction
Enhanced Ultrafast Recovery Times for High Efficiency
Low Forward Voltage, Low Power Loss
Description
Lead-Free Finish & RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
The US1GWF is a rectifier packaged in the SOD123F (Standard)
package and is suited as a boost diode in power factor correction
circuitry. For use in secondary rectification and freewheeling for ultra-
fast switching speed AC-AC and DC-DC converters in high-
temperature conditions for consumer applications.
Applications
Mechanical Data
Flat Panel Display
Case: SOD123F (Standard)
Switching Power Supplies/Chargers
LED Lighting
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish Annealed over Copper Leadframe.
Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band
Freewheeling Diode
Weight: 0.016 grams (Approximate)
SOD123F (Standard)
Schematic View
Top View
Ordering Information (Note 4)
Part Number
Qualification
Case
Packaging
US1GWF-7
AEC-Q101
SOD123F (Standard)
3,000/Tape & Reel
Notes:
1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
SOD123F (Standard)
U4 = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: E = 2017)
M = Month (ex: 9 = September)
Date Code Key
Year
2015
2016
2017
2018
2019
2020
2021
2022
Code
C
D
E
F
G
H
I
J
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
1 of 5
www.diodes.com
July 2017
© Diodes Incorporated
US1GWF
Document number: DS38871 Rev. 3 - 2