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1.4KESD70 Datasheet(PDF) 1 Page - Microsemi Corporation |
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1.4KESD70 Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 4 page AXIAL-LEAD TVS S C O T TS DALE DIVISION 1.4KESD5.0 thru 1.4KESD170CA, e3 DESCRIPTION APPEARANCE These small axial-leaded TVS devices feature the ability to clamp dangerous high voltage short-term transients such as produced by directed or radiated electrostatic discharge phenomena before entering sensitive component regions of a circuit design. They are small economical transient voltage suppressors targeted primarily for short-term transients below a few microseconds while still achieving significant peak-pulse-power capability as illustrated in Figure #1. IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com FEATURES APPLICATIONS / BENEFITS • Excellent protection in clamping direct ESD level transients in excess of 15,000 V per MIL-STD-750, Method 1020 (approx. 150 ns exponential wave) • Absorbs ESD level transients* of 1400 Watts per MIL- STD-750, Method 1020 (approx. 150 ns exponential wave, or one microsecond transients up to 400 watts. See Figure #1 and #2 for overall transient Peak Pulse Power. • Clamps Transients in less than 100 picoseconds • Working Stand-off Voltage range of 5 V to 170 V • Hermetic DO-35 Package. Also available in surface mount DO-213AA MELF package (see separate data sheet) • RoHS Compliant devices available by adding “e3” suffix • Protects Sensitive circuits from short duration fast rise time transients such as Electrostatic Discharge (ESD) or Electrical Fast Transients (EFT) • Low inherent capacitance for high-frequency applications (See Figure #4) • Flexible axial-lead mounting terminals • Bidirectional features available by adding a “C” or “CA” suffix MAXIMUM RATINGS MECHANICAL AND PACKAGING • 400 Watts for One Microsecond Square Wave or 1400 watts per ESD Wave form of MIL-STD-750, method 1020. • See Surge Rating curve in Figures #1 and 2. • Operating and storage temperature –65oC to 175oC • THERMAL RESISTANCE: Less than 250oC/W junction to lead at 0.375 inches from body. • DC power dissipation 500 mW at T L = 75 oC at 3/8 inch (10 mm) lead length from body. • Derate at 2.3 W/oC above 25oC for P PP (1μs) and at 5 mW/ oC above 100oC for dc power. • Forward Surge Current 50 amps for 1μs at T L = 25 oC (rise time > 100 ns). • CASE: Hermetically sealed axial-lead glass DO-35 (DO-204AH) package • FINISH: Tin-lead or RoHS Compliant matte-Tin plating solderable per MIL-STD-750, method 2026 • POLARITY: Banded end is cathode • WEIGHT: 0.2 grams (typical) • MARKING: Part number • TAPE & REEL option: Standard per EIA-296 (add “TR” suffix to part number) • See package dimension on last page DO-35 (DO-204AH) Microsemi Scottsdale Division Page 1 Copyright © 2006 3-29-2006 REV B 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 |
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