Order this document by 1SMA10CAT3/D SEMICONDUCTOR TECHNICAL DATA Specification Features: • Reverse Stand–Off Voltage Range: 10 – 78 V • Bidirectional Operation PLASTIC SURFACE MOUNT BIDIRECTIONAL ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 10 – 78 VOLTS VR 400 WATTS PEAK POWER • 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 SMA CASE 403B–01 PLASTIC • Finish: All external surfaces are corrosion resistant with readily solderable leads • Polarity: None • 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 Thermal Resistance from Junction to Lead RθJL 29 °C/W Thermal Resistance from Junction to Ambient RθJA 150 °C/W TJ, Tstg 150 °C Operating and Storage Junction Temperature Range * FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec. 1. Non–repetitive current pulse. ELECTRICAL CHARACTERISTICS D i Device Reverse Stand–off Voltage VRWM (Volts) 1SMA10CAT3 1SMA11CAT3 1SMA12CAT3 1SMA13CAT3 1SMA14CAT3 1SMA15CAT3 1SMA16CAT3 1SMA17CAT3 Breakdown Voltage Maximum Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) Maximum Reverse Surge Current IRSM (Amps) Maximum Reverse Leakage @ VRWM IR (µA) D Devce Marking VBR Volts (Min) IT mA 10 11 12 13 11.1 12.2 13.3 14.4 1 1 1 1 17.0 18.2 19.9 21.5 23.5 22.0 20.1 18.6 2.5 2.5 2.5 2.5 QXC QZC REC RGC 14 15 16 17 15.6 16.7 17.8 18.9 1 1 1 1 23.2 24.4 26.0 27.6 17.2 16.4 15.4 14.5 2.5 2.5 2.5 2.5 RKC RMC RPC RRC * TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of ±5%. (continued) REV 1 Motorola, Inc. 1996 1SMA10CAT3 through 1SMA78CAT3 MOTOROLA 1 ELECTRICAL CHARACTERISTICS — continued D i Device Reverse Stand–off Voltage VRWM (Volts) 1SMA18CAT3 1SMA20CAT3 1SMA22CAT3 1SMA24CAT3 Breakdown Voltage Maximum Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) Maximum Reverse Surge Current IRSM (Amps) Maximum Reverse Leakage @ VRWM IR (µA) D Devce Marking VBR Volts (Min) IT mA 18 20 22 24 20 22.2 24.4 26.7 1 1 1 1 29.2 32.4 35.5 38.9 13.7 12.3 11.3 10.3 2.5 2.5 2.5 2.5 RTC RVC RXC RZC 1SMA26CAT3 1SMA28CAT3 1SMA30CAT3 1SMA33CAT3 26 28 30 33 28.9 31.1 33.3 36.7 1 1 1 1 42.1 45.4 48.4 53.3 9.5 8.8 8.3 7.5 2.5 2.5 2.5 2.5 SEC SGC SKC SMC 1SMA36CAT3 1SMA40CAT3 1SMA43CAT3 1SMA45CAT3 36 40 43 45 40 44.4 47.8 50 1 1 1 1 58.1 64.5 69.4 72.2 6.9 6.2 5.8 5.5 2.5 2.5 2.5 2.5 SPC SRC STC SVC 1SMA48CAT3 1SMA51CAT3 1SMA54CAT3 1SMA58CAT3 48 51 54 58 53.3 56.7 60 64.4 1 1 1 1 77.4 82.4 87.1 93.6 5.2 4.9 4.6 4.3 2.5 2.5 2.5 2.5 SXC SZC TEC TGC 1SMA60CAT3 1SMA64CAT3 1SMA70CAT3 1SMA75CAT3 1SMA78CAT3 60 64 70 75 78 66.7 71.1 77.8 83.3 86.7 1 1 1 1 1 96.8 103.0 113.0 121.0 126.0 4.1 3.9 3.5 3.3 3.2 2.5 2.5 2.5 2.5 2.5 TKC TMC TPC TRC TSC * TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of ±5%. MOTOROLA 2 1SMA10CAT3 through 1SMA78CAT3 RATING AND TYPICAL CHARACTERISTIC CURVES 120 10 1 0.1 10–4 100 80 60 0.01 0.1 tP, PULSE WIDTH (ms) 1 10 HALF VALUE – Ipp/2 40 10/1000 µs WAVEFORM AS DEFINED BY R.E.A. 20 0 0.001 TA = 25°C PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT PEAK VALUE DECAYS TO 50% OF Ipp. Ippm = 10 µs NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2. TA = 25°C Ippm, PEAK PULSE CURRENT (%) Ppk , PEAK POWER (kW) 100 td 0 1 2 3 4 t, TIME (ms) Figure 1. Pulse Rating Curve Figure 2. Pulse Waveform PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT 120 10 x 1000 WAVEFORM AS DEFINED BY R.E.A. 100 80 60 40 20 0 0 40 80 120 160 TA, AMBIENT TEMPERATURE (°C) 200 Figure 3. Pulse Derating Curve 1SMA10CAT3 through 1SMA78CAT3 MOTOROLA 3 5 OUTLINE DIMENSIONS 0.157 4.0 S A 0.0787 2.0 D B 0.0787 2.0 inches mm SMA C K H J NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A B C D H J K S INCHES MIN MAX 0.160 0.180 0.090 0.115 0.075 0.105 0.050 0.064 0.004 0.008 0.006 0.016 0.030 0.060 0.190 0.220 MILLIMETERS MIN MAX 4.06 4.57 2.29 2.92 1.91 2.67 1.27 1.63 0.10 0.20 0.15 0.41 0.76 1.52 4.83 5.59 CASE 403B–01 ISSUE O Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. 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