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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: 260C 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 = 25C, PW = 10/1000 s (Note 1) Peak Forward Surge @ TA = 25C (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 RJL RJA 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 (A) 400 400 250 250 50 25 5.0 2.5 Devce D Marking
Device Di
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
(c) 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 29.2 32.4 35.5 38.9 42.1 45.4 48.4 53.3 58.1 64.5 69.4 72.2 77.4 82.4 87.1 93.6 96.8 103.0 113.0 121.0 126.0 Maximum Reverse Surge Current IRSM (Amps) 23.5 22.0 20.1 18.6 17.2 16.4 15.4 14.5 13.7 12.3 11.3 10.3 9.5 8.8 8.3 7.5 6.9 6.2 5.8 5.5 5.2 4.9 4.6 4.8 4.1 3.9 3.5 3.3 3.2 Maximum Reverse Leakage @ VRWM IR (A) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Devce D Marking
Device Di
1SMA10AT3 1SMA11AT3 1SMA12AT3 1SMA13AT3 1SMA14AT3 1SMA15AT3 1SMA16AT3 1SMA17AT3 1SMA18AT3 1SMA20AT3 1SMA22AT3 1SMA24AT3 1SMA26AT3 1SMA28AT3 1SMA30AT3 1SMA33AT3 1SMA36AT3 1SMA40AT3 1SMA43AT3 1SMA45AT3 1SMA48AT3 1SMA51AT3 1SMA54AT3 1SMA58AT3 1SMA60AT3 1SMA64AT3 1SMA70AT3 1SMA75AT3 1SMA78AT3
QX QZ RE RG RK RM RP RR RT RV RX RZ SE SG SK SM SP SR ST SV SX SZ TE TG 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
100 Ippm, PEAK PULSE CURRENT (%) NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2. TA = 25C
120 = 10 s 100 80 60 40 20 0 0.001 0.01 0.1 tP, PULSE WIDTH (ms) 1 10 TA = 25C PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT PEAK VALUE DECAYS TO 50% OF Ipp. Ippm HALF VALUE - Ipp/2 10/1000 s WAVEFORM AS DEFINED BY R.E.A. td 0 1 2 3 t, TIME (ms) 4 5
Ppk , PEAK POWER (kW)
10
1
0.1
10-4
Figure 1. Pulse Rating Curve
Figure 2. Pulse Waveform
120 PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT 100 80 60 40 20 0 10 x 1000 WAVEFORM AS DEFINED BY R.E.A.
10,000 TJ = 25C f = 1 MHz Vsig = 50 mVp-p
1,000
MEASURED AT ZERO BIAS
100
MEASURED AT STAND-OFF VOLTAGE, VWM
10 0 40 80 120 160 TA, AMBIENT TEMPERATURE (C) 200 1 2 5 10 20 50 V(BR), BREAKDOWN VOLTAGE (VOLTS) 100 200
Figure 3. Pulse Derating Curve
Figure 4. Typical Junction Capacitance
PD , MAXIMUM POWER DISSIPATION (WATTS)
6 5 4 TL 3 2 1 0 0 50 100 T, TEMPERATURE (C) 150 TA
Figure 5. Steady State Power Derating
1SMA5.0AT3 through 1SMA78AT3
MOTOROLA 3
OUTLINE DIMENSIONS
S A
0.157 4.0
0.0787 2.0
D
B
0.0787 2.0
inches mm
SMA
C
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 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
K
J
H
DIM A B C D H J K S
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. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. 1-800-441-2447 or 602-303-5454 MFAX: RMFAX0@email.sps.mot.com - TOUCHTONE 602-244-6609 INTERNET: http://Design-NET.com
JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-81-3521-8315 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298
MOTOROLA 4
*1SMA5.0AT3/D*
1SMA5.0AT3 through 1SMA78AT3
1SMA5.0AT3/D

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