PSMAJ400(C)A   Green 400W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR Features Mechanical Data • 400W Peak Pulse Power Dissipation • Case: SMA • Unidirectional and Bidirectional Versions Available • Case Material: Molded Plastic. UL Flammability Classification • Excellent Clamping Capability Rating 94V-0 • Fast Response Time • Moisture Sensitivity: Level 1 per J-STD-020 • Lead-Free Finish; RoHS Compliant (Notes 1 & 2) • Terminals: Lead Free Plating (Matte Tin Finish). Solderable per N • Halogen and Antimony Free. “Green” Device (Note 3) MIL-STD-202, Method 208 O • Polarity Indicator: Cathode Band (Note: Bi-directional devices I have no polarity indicator.) T • Weight: 0.064 grams (approximate) A M R O SMA F N I E C N A Top View Bottom View V D A Ordering Information (Note 4) Part Number Case Packaging PSMAJ400(C)A-13 SMA 5000/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 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 http://www.diodes.com. Marking Information 400x = Product type marking code 400C – BI YWW 400A – UNI = Manufacturers’ code marking 400x YWW = Date code marking Y = Last digit of year (ex: 2 for 2012) WW = Week code (01 to 53) Maximum Ratings (@TA = +25°C, unless otherwise specified.) Characteristic Symbol Value Unit Peak Pulse Power Dissipation (Non repetitive current pulse derated above TA = +25° C, TP = 1ms) (Note 5) PPK 400 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave Superimposed on Rated Load (Notes 6 & 7) IFSM 40 A Steady State Power Dissipation @ TL = +120°C PM(AV) 1.0 W Instantaneous Forward Voltage @ IPP = 25A (Notes 6 & 7) VF 6.5 V Notes: 5. Non-repetitive current pulse, per Fig. 4 and derated above T = +25° C, per Fig.1. A 6. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum. 7. Unidirectional units only. PSMAJ400(C)A 1 of 4 November 2012 Document number: DS35914 Rev. 3 - 2 www.diodes.com © Diodes Incorporated

PSMAJ400(C)A Thermal Characteristics Characteristic Symbol Value Unit Operating Temperature Range TJ -55 to +150 °C Storage Temperature Range TSTG -55 to +175 °C N O Electrical Characteristics I (@TA = +25°C, unless otherwise specified.) T A Part Number Reverse Breakdown Max. Peak Pulse M Add C For Standoff Voltage Test Max. Reverse Max. Clamping Current Marking Code R Bidirectional Voltage VBR @ IT (Note 9) Current Leakage @ VRWM Voltage @ Ipp Ipp O (Note 8) VRWM (V) Min (V) Max (V) IT (mA) IR (μA) VC (V) (A) BI- UNI- F PSMAJ400(C)A 342 380 420 1.0 5.0 548.0 0.73 400C 400A N Notes: 8. Suffix C denotes Bi-directional device. I 9. VBR measured with IT current pulse = 300μs E C N A 100 100 V D TJ = +25°C A OF W) G IN % URRENT 75 WER (k 10 psNuhloosnwe nrwe iapnve Fetiiftgoiv.re m3 NC O ERATIR OR 50 LSE P DE U E W P SO K PULK P PEA 1.0 EAK PEA 25 P, PK P 10 X 1000 Waveform as defined by REA 0 0.1 0 25 50 75 100 125 150 175 200 0.1 1.0 10 100 1,000 10,000 T , AMBIENT TEMPERATURE (°C) t PULSE WIDTH (µs) A p Figure 1 Pulse Derating Curve Figure 2 Pulse Rating Curve 60 A) T ( )pp EN 50 %I R T ( UR N C RE GE 40 R SE CU D SUR 30 L R U A P W AK OR 20 E F P K I, P PEA 10 , M S F I 0 1 2 5 10 20 50 100 t, TIME (ms) NUMBER OF CYCLES AT 60Hz Figure 3 Pulse Waveform Figure 4 Maximum Non-Repetitive Surge Current PSMAJ400(C)A 2 of 4 November 2012 Document number: DS35914 Rev. 3 - 2 www.diodes.com © Diodes Incorporated

PSMAJ400(C)A W) 1.0 N ( O ATI 0.8 P SI S DI R 0.6 E N W O O P E I T 0.4 T A T A S M DY R EA 0.2 T O S F V), A N M( 0 I P 0 25 50 75 100 125 150 175 200 T , LEAD TEMPERATURE (°C) E L C Figure 5 Steady State Power Derating Curve N A V Package Outline Dimensions D A Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. B SMA Dim Min Max A C A 2.29 2.92 B 4.00 4.60 C 1.27 1.63 D 0.15 0.31 D E 4.80 5.59 G 0.05 0.20 J H 0.76 1.52 J 2.01 2.30 H G All Dimensions in mm E Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. X1 X Dimensions Value (in mm) C 4.00 G 1.50 Y X 2.50 X1 6.50 Y 1.70 G C PSMAJ400(C)A 3 of 4 November 2012 Document number: DS35914 Rev. 3 - 2 www.diodes.com © Diodes Incorporated

PSMAJ400(C)A 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). N O 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 I T application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or A trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume M 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. R O Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. F Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and N hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or I indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. E C 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. N A This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the V final and determinative format released by Diodes Incorporated. D A 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 © 2012, Diodes Incorporated www.diodes.com PSMAJ400(C)A 4 of 4 November 2012 Document number: DS35914 Rev. 3 - 2 www.diodes.com © Diodes Incorporated

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: D iodes Incorporated: PSMAJ400A-13 PSMAJ400CA-13