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SMAJ7.0A Datasheet(PDF) 45 Page - Littelfuse |
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SMAJ7.0A Datasheet(HTML) 45 Page - Littelfuse |
45 / 146 page 41 ©2008 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.littelfuse.com for current information. Transient Voltage Suppression Diodes SMCJ Series Surface Mount – 1500W > SMCJ series SMCJ 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 applications to optimize board space temperature coefficient Δ V BR = 0.1%×V BR @25°C 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 1μA above 12V soldering guaranteed: 260°C/40 seconds at terminals Underwriters Laboratory Flammability 94V-O Plated Features The SMCJ 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 at T A=25ºC by 10x1000μs waveform (Fig.1)(Note 1), (Note 2) P PPM 1500 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 200 A Maximum Instantaneous Forward Voltage at 100A for Unidirectional only (Note 4) V F 3.5/5.0 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. 4. V F<3.5V for VBR _ _ < 200V and V F<5.0V for VBR _ _ > 201V. Maximum Ratings and Thermal Characteristics (T A=25 O C unless otherwise noted) Agency Approvals AGENCY AGENCY FILE NUMBER E230531 |
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