PSMAJ440A Green 400W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR Features Mechanical Data 400W Peak Pulse Power Dissipation Excellent Clamping Capability Fast Response Time Lead-Free Finish; RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Top View Case: SMA Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminals: Lead-Free Plating (Matte Tin Finish) Solderable per MIL-STD-202, Method 208 e3 Polarity Indicator: Cathode Band Weight: 0.064 grams (Approximate) Bottom View Ordering Information (Note 4) Part Number PSMAJ440A-13 Notes: Case SMA Packaging 5000/Tape & Reel 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 http://www.diodes.com/products/packages.html. Marking Information 440A = Product Type Marking Code = Manufacturers’ Code Marking YWW = Date Code Marking Y = Last Digit of Year (ex: 2 for 2012) WW = Week code (01 to 53) YWW 440A Maximum Ratings (@TA = +25°C, unless otherwise specified.) Characteristic Peak Pulse Power Dissipation (Non-repetitive current pulse derated above TA = +25°C, TP = 1ms) (Note 5) Peak Forward Surge Current, 8.3ms Single Half Sine-Wave Superimposed on Rated Load (Note 6) Symbol Value Unit PPK 400 W IFSM 40 A Steady State Power Dissipation @ TL = +120°C PM(AV) 1.0 W VF 6.5 V Instantaneous Forward Voltage @ IPP = 25A (Note 6) Notes: 5. Non-repetitive current pulse, per Figure 4 and derated above TA = +25°C, per Figure 1. 6. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum. PSMAJ440A Document number: DS36176 Rev. 3 - 2 1 of 4 www.diodes.com October 2014 © Diodes Incorporated PSMAJ440A Thermal Characteristics Characteristic Symbol Value Unit TJ -55 to +150 °C TSTG -55 to +175 °C Operating Temperature Range Storage Temperature Range Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Part Number Reverse Standoff Voltage Test Current Max. Reverse Leakage @ VRWM Max. Clamping Voltage @ Ipp (tp = 10x1000µs) (see Figure 4) Max. Peak Pulse Current Ipp VRWM (V) Min (V) Max (V) IT (mA) IR (A) VC (V) (A) 376 418 462 1.0 5.0 602.0 0.66 PSMAJ440A Notes: Breakdown Voltage VBR @ IT (Note 7) Marking Code 440A 7. VBR measured with IT current pulse = 10 ~ 15 ms. 10000 100 CT, TOTAL CAPACITANCE (pF) PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT TJ = 25°C 75 50 25 1000 100 10 Measured at f = 1MHz 1.0VRMS Signal Bias = 0VDC 10 X 1000 Waveform as defined by REA 0 0 25 1 1 50 75 100 125 150 175 200 TA, AMBIENT TEMPERATURE (°C) Figure 1 Pulse Derating Curve 10 100 VWM, STANDOFF VOLTAGE (V) Figure 2 Typical Total Capacitance 1000 100 IP, PEAK PULSE CURRENT (%Ipp) PPK, PEAK PULSE POWER (kW) TJ = +25°C Non repetitive pulse waveform shown in Figure 4 10 1.0 0.1 0.1 1,000 10 100 tp PULSE WIDTH (µs) Figure 3 Pulse Rating Curve 1.0 PSMAJ440A Document number: DS36176 Rev. 3 - 2 10,000 t, TIME (ms) Figure 4 Pulse Waveform 2 of 4 www.diodes.com October 2014 © Diodes Incorporated 60 50 40 30 20 10 0 1 2 20 5 10 50 100 NUMBER OF CYCLES AT 60Hz Figure 5 Maximum Non-Repetitive Surge Current PM(AV), STEADY STATE POWER DISSIPATION (W) IFSM, PEAK FORWARD SURGE CURRENT (A) PSMAJ440A 1.0 0.8 0.6 0.4 0.2 0 0 50 75 100 125 150 175 200 TL, LEAD TEMPERATURE (°C) Figure 6 Steady State Power Derating Curve 25 Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version. B A 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 C D J G H E Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for latest version. X1 X Dimensions Value (in mm) C 4.00 G 1.50 X 2.50 X1 6.50 Y 1.70 Y G C PSMAJ440A Document number: DS36176 Rev. 3 - 2 3 of 4 www.diodes.com October 2014 © Diodes Incorporated PSMAJ440A 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. 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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 © 2014, Diodes Incorporated www.diodes.com PSMAJ440A Document number: DS36176 Rev. 3 - 2 4 of 4 www.diodes.com October 2014 © Diodes Incorporated