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SM15T18A bảng dữ liệu(PDF) 1 Page - Vishay Siliconix |
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1 / 5 page SM15T Series Vishay General Semiconductor Document Number: 88380 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 • Low profile package • Ideal for automated placement • Glass passivated chip junction • 1500 W peak pulse power capability with a 10/1000 µs waveform • Available in uni-directional and bi-directional • Excellent clamping capability • Low inductance • 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 A 1500 W (SMC) device is normally selected when the threat of transients is from lightning induced transients, conducted via external leads or I/O lines. It is also used to protect against switching transients induced by large coils or industrial motors. Source impedance at component level in a system is usually high enough to limit the current within the peak pulse current (IPP) rating of this series. In an overstress condition, the failure mode is a short circuit. 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-214AB (SMC) 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: For uni-directional types the band denotes cathode end, no marking on bi-directional types DEVICES FOR BI-DIRECTION APPLICATIONS For bi-directional devices use CA suffix (e.g. SM15T12CA). Electrical characteristics apply in both directions. PRIMARY CHARACTERISTICS VBR 6.8 V to 220 V PPPM 1500 W PD 6.5 W IFSM (uni-directional only) 200 A TJ max. 150 °C DO-214AB (SMC) Notes: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25 °C per Fig. 2 (2) Mounted on 0.31 x 0.31" (8.0 x 8.0 mm) copper pads to each terminal MAXIMUM RATINGS (TA = 25 °C unless otherwise noted) PARAMETER SYMBOL LIMIT UNIT Peak pulse power dissipation with a 10/1000 µs waveform (1)(2) (Fig. 1) PPPM 1500 W Peak power pulse current with a 10/1000 µs waveform (1) (Fig. 3) IPPM See next table A Power dissipation on infinite heatsink TA = 50 °C PD 6.5 W Peak forward surge current 10 ms single half sine-wave uni-directional only (2) IFSM 200 A Operating junction and storage temperature range TJ, TSTG - 65 to + 150 °C |
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