Order this document by 1SMA5.0AT3/D SEMICONDUCTOR TECHNICAL DATA Specification Features: * Reverse Stand-Off Voltage Range: 5.0 - 78 V * Peak Power -- 400 Watts @ 1.0 ms PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 5.0 - 78 VOLTS VR 400 WATTS PEAK POWER * 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: 260C for 10 seconds SMA CASE 403B-01 PLASTIC * 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 = 25C, PW = 10/1000 s (Note 1) Peak Forward Surge @ TA = 25C (JEDEC Method, Note 2) Symbol Value Unit Ppk 400 Watts IFSM 40 Amps Thermal Resistance from Junction to Lead RJL 29 C/W Thermal Resistance from Junction to Ambient RJA 150 C/W VF 3.5 Volts Instantaneous Forward Voltage @ 40 A 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) Breakdown Voltage Maximum Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) Maximum Reverse Surge Current IRSM (Amps) Maximum Reverse Leakage @ VRWM IR (A) D Devce Marking D i Device Reverse Stand-off Voltage VRWM (Volts) 1SMA5.0AT3 1SMA6.0AT3 1SMA6.5AT3 1SMA7.0AT3 5.0 6.0 6.5 7.0 6.4 6.67 7.22 7.78 10 10 10 10 9.2 10.3 11.2 12.0 43.5 38.8 35.7 33.3 400 400 250 250 QE QG QK QM 1SMA7.5AT3 1SMA8.0AT3 1SMA8.5AT3 1SMA9.0AT3 7.5 8.0 8.5 9.0 8.33 8.89 9.44 10 1 1 1 1 12.9 13.6 14.4 15.4 31.0 29.4 27.8 26.0 50 25 5.0 2.5 QP QR QT QV VBR Volts (Min) IT mA * TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation - The type number listed indicates a tolerance of 5%. (continued) REV 1 Motorola, Inc. 1996 1SMA5.0AT3 through 1SMA78AT3 MOTOROLA 1 ELECTRICAL CHARACTERISTICS -- continued (VF = 3.5 Volts @ IF = 40 A for all types) D i Device Reverse Stand-off Voltage VRWM (Volts) 1SMA10AT3 1SMA11AT3 1SMA12AT3 1SMA13AT3 Breakdown Voltage Maximum Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) Maximum Reverse Surge Current IRSM (Amps) Maximum Reverse Leakage @ VRWM IR (A) 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 QX QZ RE RG 1SMA14AT3 1SMA15AT3 1SMA16AT3 1SMA17AT3 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 RK RM RP RR 1SMA18AT3 1SMA20AT3 1SMA22AT3 1SMA24AT3 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 RT RV RX RZ 1SMA26AT3 1SMA28AT3 1SMA30AT3 1SMA33AT3 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 SE SG SK SM 1SMA36AT3 1SMA40AT3 1SMA43AT3 1SMA45AT3 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 SP SR ST SV 1SMA48AT3 1SMA51AT3 1SMA54AT3 1SMA58AT3 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 4.8 2.5 2.5 2.5 2.5 SX SZ TE TG 1SMA60AT3 1SMA64AT3 1SMA70AT3 1SMA75AT3 1SMA78AT3 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 TK TM TP TR TS * TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation - The type number listed indicates a tolerance of 5%. MOTOROLA 2 1SMA5.0AT3 through 1SMA78AT3 RATING AND TYPICAL CHARACTERISTIC CURVES 120 NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2. TA = 25C 10 Ippm, PEAK PULSE CURRENT (%) Ppk , PEAK POWER (kW) 100 1 0.1 10-4 100 80 60 0.01 0.1 tP, PULSE WIDTH (ms) 1 HALF VALUE - Ipp/2 40 10/1000 s WAVEFORM AS DEFINED BY R.E.A. 20 0 0.001 TA = 25C PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT PEAK VALUE DECAYS TO 50% OF Ipp. Ippm = 10 s 10 td 0 1 3 5 4 t, TIME (ms) Figure 1. Pulse Rating Curve Figure 2. Pulse Waveform 120 PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT 2 10,000 10 x 1000 WAVEFORM AS DEFINED BY R.E.A. 100 MEASURED AT ZERO BIAS 1,000 80 TJ = 25C f = 1 MHz Vsig = 50 mVp-p 60 MEASURED AT STAND-OFF VOLTAGE, VWM 100 40 20 0 10 0 40 80 120 160 TA, AMBIENT TEMPERATURE (C) 200 1 PD , MAXIMUM POWER DISSIPATION (WATTS) Figure 3. Pulse Derating Curve 2 5 10 20 50 V(BR), BREAKDOWN VOLTAGE (VOLTS) 100 200 Figure 4. Typical Junction Capacitance 6 5 4 TL 3 2 1 TA 0 0 50 100 T, TEMPERATURE (C) 150 Figure 5. Steady State Power Derating 1SMA5.0AT3 through 1SMA78AT3 MOTOROLA 3 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. 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