Document
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by 1SMA10CAT3/D
Zener Transient Voltage Suppressors
Specification Features: • Reverse Stand–Off Voltage Range: 10 – 78 V • Bidirectional Operation • 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: None • Mounted Position: Any MAXIMUM RATINGS AND CHARACTERISTICS
Rating Peak Power Dissipation @ TL = 25°C, PW = 10/1000 µs (Note 1) Thermal Resistance from Junction to Lead Thermal Resistance from Junction to Ambient Operating and Storage Junction Temperature Range
1SMA10CAT3 through 1SMA78CAT3
PLASTIC SURFACE MOUNT BIDIRECTIONAL ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 10 – 78 VOLTS VR 400 WATTS PEAK POWER
SMA CASE 403B–01 PLASTIC
Symbol Ppk RθJL RθJA TJ, Tstg
Value 400 29 150 150
Unit Watts °C/W °C/W °C
* FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec. 1. Non–repetitive current pulse.
ELECTRICAL CHARACTERISTICS
Reverse Stand–off Voltage VRWM (Volts) 10 11 12 13 14 15 16 17 Breakdown Voltage VBR Volts (Min) 11.1 12.2 13.3 14.4 15.6 16.7 17.8 18.9 IT mA 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 Maximum Reverse Surge Current IRSM (Amps) 23.5 22.0 20.1 18.6 17.2 16.4 15.4 14.5 Maximum Reverse Leakage @ VRWM IR (µA) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 D Devce Marking
D i Device
1SMA10CAT3 1SMA11CAT3 1SMA12CAT3 1SMA13CAT3 1SMA14CAT3 1SMA15CAT3 1SMA16CAT3 1SMA17CAT3
QXC QZC REC RGC RKC RMC RPC RRC (continued)
* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of ±5%.
REV 1
© Motorola, Inc. 1996
1SMA10CAT3 through 1SMA78CAT3
MOTOROLA 1
ELECTRICAL CHARACTERISTICS — continued
Reverse Stand–off Voltage VRWM (Volts) 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) 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 Maximum Reverse Voltage @ IRSM (Clamping Voltage) VRSM (Volts) 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) 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 4.3 4.1 3.9 3.5 3.3 3.2 Maximum Reverse Leakage @ VRWM IR (µA) 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 D Devce Marking
D i Device
1SMA18CAT3 1SMA20CAT3 1SMA22CAT3 1SMA24CAT3 1SMA26CAT3 1SMA28CAT3 1SMA30CAT3 1SMA33CAT3 1SMA36CAT3 1SMA40CAT3 1SMA43CAT3 1SMA45CAT3 1SMA48CAT3 1SMA51CAT3 1SMA54CAT3 1SMA58CAT3 1SMA60CAT3 1SMA64CAT3 1SMA70CAT3 1SMA75CAT3 1SMA78CAT3
RTC RVC RXC RZC SEC SGC SKC SMC SPC SRC STC SVC SXC SZC TEC TGC 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
100 Ippm, PEAK PULSE CURRENT (%) NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2. TA = 25°C
120 100 80 60 40 20 0 0.001 0.01 0.1 tP, PULSE WIDTH (ms) 1 10
= 10 µs
Ppk , PEAK POWER (kW)
10
TA = 25°C 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 µs WAVEFORM AS DEFINED BY R.E.A.
1
td 0 1 2 t, TIME (ms) 3 4 5
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.
0
40
80 120 160 TA, AMBIENT TEMPERATURE (°C)
200
Figure 3. Pulse Derating Curve
1SMA10CAT3 through 1SMA78CAT3
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
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