Document
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by 1SMA5.0AT3/D
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 Peak Power Dissipation @ TL = 25°C, PW = 10/1000 µs (Note 1) Peak Forward Surge @ TA = 25°C (JEDEC Method, Note 2) Thermal Resistance from Junction to Lead Thermal Resistance from Junction to Ambient Instantaneous Forward Voltage @ 40 A
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
Symbol Ppk IFSM RθJL RθJA VF
Value 400 40 29 150 3.5
Unit Watts Amps °C/W °C/W Volts °C
Operating and Storage Junction Temperature Range TJ, Tstg 150 * 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)
Reverse Stand–off Voltage VRWM (Volts) 5.0 6.0 6.5 7.0 7.5 8.0 8.5 9.0 Breakdown Voltage VBR Volts (Min) 6.4 6.67 7.22 7.78 8.33 8.89 9.44 10 IT mA 10 10 10 10 1 1 1 1 Maximum Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) 9.2 10.3 11.2 12.0 12.9 13.6 14.4 15.4 Maximum Reverse Surge Current IRSM (Amps) 43.5 38.8 35.7 33.3 31.0 29.4 27.8 26.0 Maximum Reverse Leakage @ VRWM IR (µA) 400 400 250 250 50 25 5.0 2.5 D Devce Marking
D i Device
1SMA5.0AT3 1SMA6.0AT3 1SMA6.5AT3 1SMA7.0AT3 1SMA7.5AT3 1SMA8.0AT3 1SMA8.5AT3 1SMA9.0AT3
QE QG QK QM QP QR QT QV (continued)
* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of ±5%.
REV 1
© Motorola, Inc. 1996
1SMA5.0AT3 through 1SMA78AT3
MOTOROLA 1
ELECTRICAL CHARACTERISTICS — continued (VF = 3.5 Volts @ IF = 40 A for all types)
Reverse Stand–off Voltage VRWM (Volts) 10 11 12 13 14 15 16 17 18 20 22 24 26 28 30 33 36 40 43 45 48 51 54 58 60 64 70 75 78 Breakdown Voltage VBR Volts (Min) 11.1 12.2 13.3 14.4 15.6 16.7 17.8 18.9 20 22.2 24.4 26.7 28.9 31.1 33.3 36.7 40 44.4 47.8 50 53.3 56.7 60 64.4 66.7 71.1 77.8 83.3 86.7 IT mA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Maximum Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) 17.0 18.2 19.9 21.5 23.2 24.4 26.0 27.6.