Motorola 1SMA9.0AT3, 1SMA8.5AT3, 1SMA8.0AT3, 1SMA78AT3, 1SMA75AT3 Datasheet
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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 Ð 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
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
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Rating |
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Symbol |
Value |
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Unit |
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Peak Power Dissipation @ TL = 25°C, PW = 10/1000 μs (Note 1) |
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Ppk |
400 |
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Watts |
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Peak Forward Surge @ TA = 25°C (JEDEC Method, Note 2) |
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IFSM |
40 |
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Amps |
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Thermal Resistance from Junction to Lead |
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RθJL |
29 |
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°C/W |
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Thermal Resistance from Junction to Ambient |
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RθJA |
150 |
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°C/W |
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Instantaneous Forward Voltage @ 40 A |
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VF |
3.5 |
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Volts |
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Operating and Storage Junction Temperature Range |
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TJ, Tstg |
150 |
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°C |
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* FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec. |
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1. Non±repetitive current pulse. |
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2. Measured on 0.3 ms single half sine±wave or equivalent square wave, duty cycle = 4 pulse per minute maximum. |
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ELECTRICAL CHARACTERISTICS (VF = 3.5 Volts @ IF = 40 A for all types) |
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Reverse |
Breakdown Voltage |
Maximum |
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Maximum |
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Maximum |
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Reverse Voltage |
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Reverse |
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Device |
Stand±off |
VBR |
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Reverse Leakage |
Devce |
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IT |
@ IRSM |
Surge Current |
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Voltage VRWM |
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@ VRWM |
Marking |
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Volts |
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(Clamping Voltage) |
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IRSM |
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(Volts) |
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mA |
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IR (μA) |
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(Min) |
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VRSM (Volts) |
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(Amps) |
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1SMA5.0AT3 |
5.0 |
6.4 |
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10 |
9.2 |
43.5 |
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400 |
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QE |
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1SMA6.0AT3 |
6.0 |
6.67 |
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10 |
10.3 |
38.8 |
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400 |
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QG |
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1SMA6.5AT3 |
6.5 |
7.22 |
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10 |
11.2 |
35.7 |
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250 |
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QK |
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1SMA7.0AT3 |
7.0 |
7.78 |
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10 |
12.0 |
33.3 |
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250 |
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QM |
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1SMA7.5AT3 |
7.5 |
8.33 |
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1 |
12.9 |
31.0 |
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50 |
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QP |
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1SMA8.0AT3 |
8.0 |
8.89 |
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1 |
13.6 |
29.4 |
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25 |
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QR |
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1SMA8.5AT3 |
8.5 |
9.44 |
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1 |
14.4 |
27.8 |
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5.0 |
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QT |
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1SMA9.0AT3 |
9.0 |
10 |
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1 |
15.4 |
26.0 |
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2.5 |
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QV |
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* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation ± The type number listed indicates a tolerance of ±5%. |
(continued) |
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REV 1
Motorola, Inc. 1996 |
MOTOROLA |
1SMA5.0AT3 through 1SMA78AT3 |
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1
ELECTRICAL CHARACTERISTICS Ð continued (VF = 3.5 Volts @ IF = 40 A for all types)
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Reverse |
Breakdown Voltage |
Maximum |
Maximum |
Maximum |
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Reverse Voltage |
Reverse |
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Device |
Stand±off |
VBR |
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Reverse Leakage |
Devce |
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IT |
@ IRSM |
Surge Current |
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Voltage VRWM |
@ VRWM |
Marking |
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Volts |
(Clamping Voltage) |
IRSM |
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(Volts) |
mA |
IR (μA) |
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(Min) |
VRSM (Volts) |
(Amps) |
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1SMA10AT3 |
10 |
11.1 |
1 |
17.0 |
23.5 |
2.5 |
QX |
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1SMA11AT3 |
11 |
12.2 |
1 |
18.2 |
22.0 |
2.5 |
QZ |
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1SMA12AT3 |
12 |
13.3 |
1 |
19.9 |
20.1 |
2.5 |
RE |
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1SMA13AT3 |
13 |
14.4 |
1 |
21.5 |
18.6 |
2.5 |
RG |
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1SMA14AT3 |
14 |
15.6 |
1 |
23.2 |
17.2 |
2.5 |
RK |
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1SMA15AT3 |
15 |
16.7 |
1 |
24.4 |
16.4 |
2.5 |
RM |
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1SMA16AT3 |
16 |
17.8 |
1 |
26.0 |
15.4 |
2.5 |
RP |
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1SMA17AT3 |
17 |
18.9 |
1 |
27.6 |
14.5 |
2.5 |
RR |
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1SMA18AT3 |
18 |
20 |
1 |
29.2 |
13.7 |
2.5 |
RT |
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1SMA20AT3 |
20 |
22.2 |
1 |
32.4 |
12.3 |
2.5 |
RV |
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1SMA22AT3 |
22 |
24.4 |
1 |
35.5 |
11.3 |
2.5 |
RX |
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1SMA24AT3 |
24 |
26.7 |
1 |
38.9 |
10.3 |
2.5 |
RZ |
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1SMA26AT3 |
26 |
28.9 |
1 |
42.1 |
9.5 |
2.5 |
SE |
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1SMA28AT3 |
28 |
31.1 |
1 |
45.4 |
8.8 |
2.5 |
SG |
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1SMA30AT3 |
30 |
33.3 |
1 |
48.4 |
8.3 |
2.5 |
SK |
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1SMA33AT3 |
33 |
36.7 |
1 |
53.3 |
7.5 |
2.5 |
SM |
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1SMA36AT3 |
36 |
40 |
1 |
58.1 |
6.9 |
2.5 |
SP |
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1SMA40AT3 |
40 |
44.4 |
1 |
64.5 |
6.2 |
2.5 |
SR |
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1SMA43AT3 |
43 |
47.8 |
1 |
69.4 |
5.8 |
2.5 |
ST |
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1SMA45AT3 |
45 |
50 |
1 |
72.2 |
5.5 |
2.5 |
SV |
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1SMA48AT3 |
48 |
53.3 |
1 |
77.4 |
5.2 |
2.5 |
SX |
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1SMA51AT3 |
51 |
56.7 |
1 |
82.4 |
4.9 |
2.5 |
SZ |
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1SMA54AT3 |
54 |
60 |
1 |
87.1 |
4.6 |
2.5 |
TE |
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1SMA58AT3 |
58 |
64.4 |
1 |
93.6 |
4.8 |
2.5 |
TG |
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1SMA60AT3 |
60 |
66.7 |
1 |
96.8 |
4.1 |
2.5 |
TK |
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1SMA64AT3 |
64 |
71.1 |
1 |
103.0 |
3.9 |
2.5 |
TM |
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1SMA70AT3 |
70 |
77.8 |
1 |
113.0 |
3.5 |
2.5 |
TP |
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1SMA75AT3 |
75 |
83.3 |
1 |
121.0 |
3.3 |
2.5 |
TR |
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1SMA78AT3 |
78 |
86.7 |
1 |
126.0 |
3.2 |
2.5 |
TS |
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* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation ± The type number listed indicates a tolerance of ±5%.
MOTOROLA |
1SMA5.0AT3 through 1SMA78AT3 |
2
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