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Green
US1A - US1M
1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER
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Features
* * * * * * * 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)
Mechanical Data
* * * * * * * * 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)
Top View
Bottom View
Maximum Ratings
@TA = 25C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load. For capacitance load, derate current by 20%. Characteristic 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
Symbol VRRM VRWM VR VR(RMS) @ TT = 75C IO IFSM
US1A 50 35
US1B 100 70
US1D 200 140
US1G 400 280 1.0 30
US1J 600 420
US1K 800 560
US1M 1000 700
Unit V V A A
Thermal Characteristics
Characteristic Typical Thermal Resistance, Junction to Terminal Operating and Storage Temperature Range Symbol RJT TJ, TSTG Value 30 -65 to +150 Unit C/W C
Electrical Characteristics
Characteristic Forward Voltage Drop Peak Reverse Current at Rated DC Blocking Voltage (Note 5) Reverse Recovery Time (Note 4) Typical Total Capacitance (Note 3)
Notes:
@TA = 25C unless otherwise specified Symbol VFM IRM trr CT 50 20 US1A US1B 1.0 US1D US1G 1.3 5.0 100 US1J US1K 1.7 US1M Unit V A 75 10 ns pF
@ IF = 1.0A @ TA = 25C @ TA = 100C
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 IF = 0.5A, IR = 1.0A, Irr = 0.25A. See figure 5. 4. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 5. Short duration pulse test used to minimize self-heating effect.
US1A - US1M
Document number: DS16008 Rev. 9 - 2
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US1A - US1M
IF, INSTANTANEOUS FORWARD CURRENT (A) 10
IO, AVERAGE RECTIFIED CURRENT (A)
1.0
US1A - US1D US1G
1.0
US1J - US1M
0.5
0.1
0 25
0.01 0 0.4 0.8 1.2 1.6 2.0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics
75 50 100 125 150 TT, TERMINAL TEMPERATURE ( C) Fig. 1 Forward Current Derating Curve
IFSM, PEAK FORWARD SURGE CURRENT (A)
40
1,000
100
30
T j = 100 C
10
20
1.0
10
Tj = 25 C
0.1
0 1 10 100 NUMBER OF CYCLES AT 60Hz Fig. 3 Forward Surge Current Derating Curve
0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) Fig. 4 Typical Reverse Characteristics
US1A - US1M
Document number: DS16008 Rev. 9 - 2
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July 2009
(c) Diodes Incorporated
US1A - US1M Ordering Information
Part Number* US1x-13-F
*x = Device type, e.g. US1A-13-F. Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
(Note 6) Case SMA Packaging 5000/Tape & Reel
Marking Information
US1x = Product type marking code, ex: US1A = Manufacturers' code marking YWW = Date code marking Y = Last digit of year (ex: 2 for 2002) WW = Week code 01 to 52
YWW US1x
Package Outline Dimensions
B
A
C
D J
SMA Dim Min Max A 2.29 2.92 B 4.00 4.60 C 1.27 1.63 D 0.15 0.31 E 4.80 5.59 G 0.05 0.20 H 0.76 1.52 J 2.01 2.30 All Dimensions in mm
H E
G
Suggested Pad Layout
C
X
Y
G Z
Dimensions Value (in mm) Z 6.5 G 1.5 X 1.7 Y 2.5 C 4.0
US1A - US1M
Document number: DS16008 Rev. 9 - 2
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July 2009
(c) Diodes Incorporated
US1A - US1M
IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright (c) 2009, Diodes Incorporated www.diodes.com
US1A - US1M
Document number: DS16008 Rev. 9 - 2
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July 2009
(c) Diodes Incorporated

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