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SMDJ33A Datasheet(PDF) 1 Page - Littelfuse |
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SMDJ33A Datasheet(HTML) 1 Page - Littelfuse |
1 / 5 page 53 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Transient Voltage Suppression Diodes Revision: January 09, 2009 SMDJ Series Surface Mount – 3000W > SMDJ series Please refer to http://www.Littelfuse.com/series/SMDJ.html for current information. AGENCY AGENCY FILE NUMBER E230531 SMDJ Series The SMDJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Description Maximum Ratings and Thermal Characteristics (T A=25 O C unless otherwise noted) Agency Approvals Parameter Symbol Value Unit Peak Pulse Power Dissipation at T A=25ºC by 10x1000μs waveform (Fig.1)(Note 1), (Note 2) P PPM 3000 W Power Dissipation on infinite heat sink at T A=50 O C P M(AV) 6.5 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) I FSM 300 A Maximum Instantaneous Forward Voltage at 100A for Unidirectional only V F 3.5 V Operating Junction and Storage Temperature Range T J, TSTG -65 to 150 °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. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum. 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 applications in order to optimize board space temperature coefficient ΔV BR = 0.1% x VBR@25°C x ΔT junction capability at 10×1000μs waveform, repetition rate (duty cycles):0.01% typically less than 1.0ps from 0V to BV min capability resistance R less than 2μA above 12V soldering guaranteed: 260°C/40 seconds at terminals Underwriters Laboratory Flammability 94V-O RoHS |
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