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1SMA54AT3 Datasheet(PDF) 1 Page - Motorola, Inc |
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1SMA54AT3 Datasheet(HTML) 1 Page - Motorola, Inc |
1 / 4 page 1 MOTOROLA 1SMA5.0AT3 through 1SMA78AT3 Zener Transient Voltage Suppressors Specification Features: • Reverse Stand–Off Voltage Range: 5.0–78 V • Peak Power — 400 Watts @ 1.0 ms • ESD Rating of Class 3 (>16 kV) per Human Body Model • Pico Seconds Response Time (0 V to BV) • Flat Handling Surface for Accurate Placement • Package Design for Top Side or Bottom Circuit Board Mounting • Available in Tape and Reel • Low Profile Package Mechanical Characteristics: • Case: Void–free, transfer-molded plastic • Maximum Case Temperature for Soldering Purposes: 260°C for 10 seconds • Finish: All external surfaces are corrosion resistant with readily solderable leads • Polarity: Cathode indicated by molded polarity notch • Mounted Position: Any MAXIMUM RATINGS AND CHARACTERISTICS Rating Symbol Value Unit Peak Power Dissipation @ TL = 25°C, PW = 10/1000 µs (Note 1) Ppk 400 Watts Peak Forward Surge @ TA = 25°C (JEDEC Method, Note 2) IFSM 40 Amps Thermal Resistance from Junction to Lead R θJL 29 °C/W Thermal Resistance from Junction to Ambient R θJA 150 °C/W Instantaneous Forward Voltage @ 40 A VF 3.5 Volts Operating and Storage Junction Temperature Range TJ, Tstg 150 °C * FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec. 1. Non–repetitive current pulse. 2. Measured on 0.3 ms single half sine–wave or equivalent square wave, duty cycle = 4 pulse per minute maximum. ELECTRICAL CHARACTERISTICS (VF = 3.5 Volts @ IF = 40 A for all types) Di Reverse Breakdown Voltage Maximum Reverse Voltage Maximum Reverse Maximum D Device Reverse Stand–off Voltage VRWM (Volts) VBR Volts (Min) IT mA Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) Reverse Surge Current IRSM (Amps) Maximum Reverse Leakage @ VRWM IR (µA) Devce Marking 1SMA5.0AT3 5.0 6.4 10 9.2 43.5 400 QE 1SMA6.0AT3 6.0 6.67 10 10.3 38.8 400 QG 1SMA6.5AT3 6.5 7.22 10 11.2 35.7 250 QK 1SMA7.0AT3 7.0 7.78 10 12.0 33.3 250 QM 1SMA7.5AT3 7.5 8.33 1 12.9 31.0 50 QP 1SMA8.0AT3 8.0 8.89 1 13.6 29.4 25 QR 1SMA8.5AT3 8.5 9.44 1 14.4 27.8 5.0 QT 1SMA9.0AT3 9.0 10 1 15.4 26.0 2.5 QV * TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of ±5%. (continued) MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by 1SMA5.0AT3/D © Motorola, Inc. 1996 1SMA5.0AT3 through 1SMA78AT3 PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 5.0 – 78 VOLTS VR 400 WATTS PEAK POWER SMA CASE 403B–01 PLASTIC REV 1 |
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