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LCE51A Datasheet(PDF) 91 Page - Littelfuse |
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LCE51A Datasheet(HTML) 91 Page - Littelfuse |
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91 / 146 page  87 ©2008 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.littelfuse.com for current information. Transient Voltage Suppression Diodes Axial Leaded – 1500W > 1.5KE series 1.5KE Series Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/1.5KE.html for the most current information AGENCY AGENCY FILE NUMBER E128662/E230531 1.5KE Series RoHS TVS devices are ideal for the protection of I/O interfaces, V CC bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications. Applications Features The 1.5KE Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Description Parameter Symbol Value Unit Peak Pulse Power Dissipation by 10x1000μs test waveform (Fig.1) (Note 1) P PPM 1500 W Steady State Power Dissipation on inifinite heat sink at T L=75ºC (Fig. 5) P D 6.5 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional only (Note 2) I FSM 200 A Maximum Instantaneous Forward Voltage at 100A for Unidirectional only (Note 3) V F 3.5/5.0 V Operating Junction and Storage Temperature Range T J, TSTG -55 to 175 °C Typical Thermal Resistance Junction to Lead R uJL 15 °C/W Typical Thermal Resistance Junction to Ambient R uJA 75 °C/W Notes: 1. Non-repetitive current pulse , per Fig. 3 and derated above T A = 25 O C per Fig. 2. 2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per minute maximum. 3. V F<3.5V for devices of VBR _ < 200V and V F<5.0V for devices of VBR _ > 201V. Maximum Ratings and Thermal Characteristics (T A=25 O C unless otherwise noted) Agency Approvals temperature coefficient Δ V BR = 0.1% × VBR@25°C junction in DO-201 Package capability at 10×1000μs waveform, repetition rate (duty cycles):0.01% typically less than 1.0ps from 0 Volts to BV min capability resistance R less than 1μA above 13V soldering guaranteed: 260°C/40 seconds / 0.375”,(9.5mm) lead length, 5 lbs., (2.3kg) tension Underwriters Laboratory Flammability classification 94V-O plated |
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