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SMAJ550 Folha de dados(PDF) 1 Page - Vishay Siliconix |
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SMAJ550 Folha de dados(HTML) 1 Page - Vishay Siliconix |
1 / 4 page SMAJ530 & SMAJ550 Vishay General Semiconductor Document Number: 88391 Revision: 21-Oct-08 For technical questions within your region, please contact one of the following: PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com www.vishay.com 1 Surface Mount TRANSZORB® Transient Voltage Suppressors FEATURES • Glass passivated chip junction • Available in uni-directional polarity only • Excellent clamping capability • Very fast response time • Low incremental surge resistance • Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C • Solder dip 260 °C, 40 s • Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC APPLICATION NOTES • Respect thermal resistance (PCB Layout) - as the temperature coefficient also contributes to the clamping 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 TJ and can be higher than 300 mA • Contact supplier for different clamping voltage/ current arrangements • Minimum breakdown voltage can be customized for other applications. Contact supplier • TOPSwitch is a registered trademark of Power Integrations, Inc. TYPICAL APPLICATIONS Use in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs, MOSFET, signal lines of sensor units for consumer, computer, industrial, automotive and telecommunication. MECHANICAL DATA Case: DO-214AC (SMA) Molding compound meets UL 94 V-0 flammability rating Base P/N-E3 - RoHS compliant, commercial grade Base P/NHE3 - RoHS compliant, high reliability/ automotive grade (AEC Q101 qualified) Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD22-B102 E3 suffix meets JESD 201 class 1A whisker test, HE3 suffix meets JESD 201 class 2 whisker test Polarity: Color band denotes cathode end PRIMARY CHARACTERISTICS VBR 530 V, 550 V PPPM 300 W PD 2.5 W IFSM 40 A TJ max. 150 °C DO-214AC (SMA) Notes: (1) Non repetitive current pulse per Fig. 3 and derated above 25 °C per Fig. 2 (2) Mounted on 5.0 mm2 copper pads to each terminal (3) Lead temperature at TL = 75 °C (4) Peak pulse power waveform is 10/1000 µs MAXIMUM RATINGS (TA = 25 °C unless otherwise noted) PARAMETER SYMBOL SMAJ530 SMAJ550 UNIT Device marking code HD SB Power dissipation on infinite heatsink (3) PD 2.5 W Peak pulse power dissipation (1)(2)(4) (Fig. 1) PPPM 300 W Stand-off voltage VWM 477 495 V Operating junction and storage temperature range TJ, TSTG - 55 to + 150 °C |
Nº de peça semelhante - SMAJ550 |
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Descrição semelhante - SMAJ550 |
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