333 3 SMAJ530, SMAJ550 www.vishay.com Vishay General Semiconductor Surface-Mount TRANSZORB Transient Voltage Suppressors FEATURES Available Glass passivated chip junction Available in unidirectional polarity only Excellent clamping capability Very fast response time Low incremental surge resistance Meets MSL level 1, per J-STD-020, Available SMA (DO-214AC) LF maximum peak of 260 C AEC-Q101 qualified available Cathode Anode - Automotive ordering code: base P/NHM3 Material categorization: for definitions of compliance LINKS TO ADDITIONAL RESOURCES please see www.vishay.com/doc 99912 TYPICAL APPLICATIONS 3D Models Use in sensitive electronics protection against voltage transients induced by inductive load switching and lightin g on ICs, MOSFET, signal lines of sensor units for consumer, PRIMARY CHARACTERISTICS computer, industrial, automotive, and telecommunication. V (unidirectional) 530 V to 550 V BR MECHANICAL DATA V 477 V, 495 V WM P 300 W Case: SMA (DO-214AC) PPM Molding compound meets UL 94 V-0 flammability rating P 2.5 W D Base P/N-M3 - halogen-free, RoHS-compliant, and I (unidirectional only) 40 A FSM industrial grade T max. 150 C J Base P/NHM3 X - halogen-free, RoHS-compliant, and Polarity Unidirectional AEC-Q101 qualified Package SMA (DO-214AC) ( X denotes revision code e.g. A, B, ...) Terminals: matte tin plated leads, solderable per APPLICATION NOTES J-STD-002 and JESD 22-B102 M3 and HM3 suffix meet JESD 201 class 2 whisker test Respect thermal resistance (PCB layout) - as the temperature coefficient also contributes to the clampin g Polarity: color band denotes cathode end voltage Select minimum breakdown voltage, so you get acceptable power dissipation and PCB tie point temperature Devices with higher breakdown voltage will have a shorter conduction time and will dissipate less power Clamping voltage is influenced by internal resistance - design approximation is 7 V per 100 mA slope Keep temperature of TVS lower than TOPSwitch as a recommendation Maximum current is determined by the maximum T and J can be higher than 300 mA Contact supplier for different clamping voltage/ current arrangements Minimum breakdown voltage can be customized for othe r applications. Contact supplier TOPSwitch is a registered trademark of Powe r Integrations, Inc. Revision: 19-Apr-2021 Document Number: 88391 1 For technical questions within your region: DiodesAmericas vishay.com, DiodesAsia vishay.com, DiodesEurope vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 DDD D SMAJ530, SMAJ550 www.vishay.com Vishay General Semiconductor MAXIMUM RATINGS (T = 25 C unless otherwise noted) A PARAMETER SYMBOL SMAJ530 SMAJ550 UNIT Device marking code HD SB (1)(2)(4) Peak pulse power dissipation (fig. 1) P 300 W PPM (3) Power dissipation on infinite heatsink P 2.5 W D Operating junction and storage temperature range T , T -55 to +150 C J STG Notes (1) Non-repetitive current pulse, per fig. 3 and derated above 25 C per fig. 2 (2) Mounted on 0.2 x 0.2 (5.0 mm x 5.0 mm) copper pads to each terminal (3) Lead temperature at T = 75 C L (4) Peak pulse power waveform is 10/1000 s ELECTRICAL CHARACTERISTICS (T = 25 C unless otherwise noted) A BREAKDOWN VOLTAGE TEST CURRENT STAND-OFF VOLTAGE V AT I BR T DEVICE TYPE I V T WM (V) (A) (V) MIN. SMAJ530 530 100 477 SMAJ550 550 100 495 ADDITIONAL CHARACTERISTICS (T = 25 C unless otherwise noted) A PARAMETER TEST CONDITIONS SYMBOL SMAJ530 SMAJ550 UNIT Max. clamping voltage 400 mA, 10/1000 s waveform V 760 V C Maximum DC reverse leakage current V I 1.0 A WM D Typical temperature coefficient of V 650 mV/C BR 0 V 90 (1) Typical capacitance C pF J 200 V 7.5 Note (1) Measured at 1 MHz THERMAL CHARACTERISTICS (T = 25 C unless otherwise noted) A PARAMETER SYMBOL SMAJ530 SMAJ550 UNIT Typical thermal resistance, junction to lead R 30 JL C/ W (1) Typical thermal resistance, junction to ambient R 120 JA Note (1) Mounted on minimum recommended pad layout ORDERING INFORMATION (Example) PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE SMAJ530-M3/61 0.064 61 1800 7 diameter plastic tape and reel SMAJ530-M3/5A 0.064 5A 7500 13 diameter plastic tape and reel (1) SMAJ530HM3 B/H 0.064 H 1800 7 diameter plastic tape and reel (1) SMAJ530HM3 B/I 0.064 I 7500 13 diameter plastic tape and reel Note (1) AEC-Q101 qualified Revision: 19-Apr-2021 Document Number: 88391 2 For technical questions within your region: DiodesAmericas vishay.com, DiodesAsia vishay.com, DiodesEurope vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000