Semiconductor Components Industries, LLC, 2012
February, 2012 − Rev. 14
1Publication Order Number:
1SMA5.0AT3/D
1SMA5.0AT3G Series,
SZ1SMA5.0AT3G Series
400 Watt Peak Power Zener
Transient Voltage
Suppressors
Unidirectional
The SMA series is designed to protect voltage sensitive
components from high voltage, high energy transients. They have
excellent clamping capability, high surge capability, low zener
impedance and fast response time. The SMA series is supplied in
ON Semiconductor’s exclusive, cost-effective, highly reliable
SURMETIC package and is ideally suited for use in
communication systems, automotive, numerical controls, process
controls, medical equipment, business machines, power supplies and
many other industrial/consumer applications.
Features
Working Peak Reverse Voltage Range − 5.0 V to 78 V
Standard Zener Breakdown Voltage Range − 6.7 V to 91.25 V
Peak Power − 400 W @ 1 ms
ESD Rating of Class 3 (> 16 kV) per Human Body Model
Response Time is Typically < 1 ns
Flat Handling Surface for Accurate Placement
Package Design for Top Slide or Bottom Circuit Board Mounting
Low Profile Package
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
Pb−Free Packages are Available*
Mechanical Characteristics:
CASE: Void-free, transfer-molded plastic
FINISH: All external surfaces are corrosion resistant and leads are
readily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260C for 10 Seconds
POLARITY: Cathode indicated by molded polarity notch or polarity
band
MOUNTING POSITION: Any
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSORS
5.0 − 78 V, 400 W PEAK POWER
Device Package Shipping†
ORDERING INFORMATION
SMA
CASE 403D
STYLE 1
MARKING DIAGRAM
CATHODE ANODE
http://onsemi.com
1SMAxxAT3G SMA
(Pb−Free)
5,000 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
DEVICE MARKING INFORMATION
xx
AYWWG
xx = Device Code (Refer to page 3)
A = Assembly Location
Y = Year
WW = Work Week
G= Pb−Free Package
SZ1SMAxxAT3G SMA
(Pb−Free)
5,000 /
Tape & Reel
1SMA5.0AT3G Series, SZ1SMA5.0AT3G Series
http://onsemi.com
2
MAXIMUM RATINGS
Rating Symbol Value Unit
Peak Power Dissipation (Note 1) @ TL = 25C, Pulse Width = 1 ms PPK 400 W
DC Power Dissipation @ TL = 75C Measured Zero Lead Length (Note 2)
Derate Above 75C
Thermal Resistance from Junction to Lead
PD
RqJL
1.5
20
50
W
mW/C
C/W
DC Power Dissipation (Note 3) @ TA = 25C
Derate Above 25C
Thermal Resistance from Junction to Ambient
PD
RqJA
0.5
4.0
250
W
mW/C
C/W
Forward Surge Current (Note 4) @ TA = 25C IFSM 40 A
Operating and Storage Temperature Range TJ, Tstg −65 to +150 C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. 10 X 1000 ms, non−repetitive.
2. 1 square copper pad, FR−4 board.
3. FR−4 board, using ON Semiconductor minimum recommended footprint, as shown in 403B case outline dimensions spec.
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
ELECTRICAL CHARACTERISTICS (TA = 25C unless
otherwise noted, VF = 3.5 V Max. @ IF = 30 A for all types) (Note 5)
Symbol Parameter
IPP Maximum Reverse Peak Pulse Current
VCClamping Voltage @ IPP
VRWM Working Peak Reverse Voltage
IRMaximum Reverse Leakage Current @ VRWM
VBR Breakdown Voltage @ IT
ITTest Current
IFForward Current
VFForward Voltage @ IF
5. 1/2 sine wave or equivalent, PW = 8.3 ms, non−repetitive duty
cycle.
Uni−Directional TVS
IPP
IF
V
I
IR
IT
VRWM
VCVBR
VF
1SMA5.0AT3G Series, SZ1SMA5.0AT3G Series
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
Device*
Device
Marking
VRWM
(Note 6)
IR @
VRWM
Breakdown Voltage
VC @ IPP
(Note 8) C Typ.
(Note 9)
VBR (Volts) (Note 7) @ ITVCIPP
Volts mAMin Nom Max mA Volts Amps pF
1SMA5.0AT3G QE 5.0 400 6.4 6.7 7.0 10 9.2 43.5 2035
1SMA6.0AT3G QG 6.0 400 6.67 7.02 7.37 10 10.3 38.8 1730
1SMA6.5AT3G QK 6.5 250 7.22 7.6 7.98 10 11.2 35.7 1605
1SMA8.0AT3G QR 8.0 25 8.89 9.36 9.83 1 13.6 29.4 1035
1SMA8.5AT3G QT 8.5 5.0 9.44 9.92 10.4 1 14.4 27.8 1265
1SMA9.0AT3G QV 9.0 2.5 10 10.55 11.1 1 15.4 26.0 1200
1SMA10AT3G QX 10 2.5 11.1 11.7 12.3 1 17.0 23.5 1090
1SMA11AT3G QZ 11 2.5 12.2 12.85 13.5 1 18.2 22.0 1000
1SMA12AT3G RE 12 2.5 13.3 14.0 14.7 1 19.9 20.1 925
1SMA13AT3G RG 13 2.5 14.4 15.15 15.9 1 21.5 18.6 860
1SMA14AT3G RH 14 2.5 15.6 16.4 17.2 1 23.2 17.2 800
1SMA15AT3G RM 15 2.5 16.7 17.6 18.5 1 24.4 16.4 758
1SMA16AT3G RP 16 2.5 17.8 18.75 19.7 1 26.0 15.4 715
1SMA17AT3G RR 17 2.5 18.9 19.9 20.9 1 27.6 14.5 680
1SMA18AT3G RT 18 2.5 20 21.05 22.1 1 29.2 13.7 645
1SMA20AT3G RV 20 2.5 22.2 23.35 24.5 1 32.4 12.3 585
1SMA22AT3G RX 22 2.5 24.4 25.65 26.9 1 35.5 11.3 540
1SMA24AT3G RZ 24 2.5 26.7 28.1 29.5 1 38.9 10.3 500
1SMA26AT3G SE 26 2.5 28.9 30.4 31.9 1 42.1 9.5 460
1SMA28AT3G SG 28 2.5 31.1 32.75 34.4 1 45.4 8.8 430
1SMA30AT3G SK 30 2.5 33.3 35.05 36.8 1 48.4 8.3 405
1SMA33AT3G SM 33 2.5 36.7 38.65 40.6 1 53.3 7.5 375
1SMA36AT3G SP 36 2.5 40 42.1 44.2 1 58.1 6.9 345
1SMA40AT3G SR 40 2.5 44.4 46.75 49.1 1 64.5 6.2 315
1SMA43AT3G ST 43 2.5 47.8 50.3 52.8 1 69.4 5.8 295
1SMA45AT3G SV 45 2.5 50 52.65 55.3 1 72.2 5.5 280
1SMA48AT3G SX 48 2.5 53.3 56.1 58.9 1 77.4 5.2 265
1SMA54AT3G TE 54 2.5 60 63.15 66.3 1 87.1 4.6 240
1SMA58AT3G TG 58 2.5 64.4 67.8 71.5 1 93.6 4.3 225
1SMA70AT3G TP 70 2.5 77.8 81.9 86.0 1 113 3.5 190
1SMA75AT3G TR 75 2.5 83.3 87.7 92.1 1 121 3.3 180
6. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than
the DC or continuous peak operating voltage level.
7. VBR measured at pulse test current IT at an ambient temperature of 25C.
8. Surge current waveform per Figure 2 and derate per Figure 3.
9. Bias voltage = 0 V, F = 1.0 MHz, TJ = 25C.
†Please see 1SMA10CAT3 to 1SMA75CAT3 for Bidirectional devices.
* Include SZ-prefix devices where applicable.
1SMA5.0AT3G Series, SZ1SMA5.0AT3G Series
http://onsemi.com
4
RATING AND TYPICAL CHARACTERISTIC CURVES
TA = 25C
PW (ID) IS DEFINED AS THE
POINT WHERE THE PEAK CURRENT
DECAYS TO 50% OF Ipp.
10 ms
PEAK VALUE
Ippm
HALF VALUE - Ipp/2
10/1000 ms WAVEFORM
AS DEFINED BY R.E.A.
td
120
100
80
60
40
001 2 3 4
Ippm, PEAK PULSE CURRENT (%)
20
5
10-4
100
0.1 1 10
10
1
0.1
tP
, PULSE WIDTH (ms)
Ppk
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 2.
TA = 25C
, PEAK POWER (kW)
0.010.001
t, TIME (ms)
120
100
80
60
40
00 40 80 120 160
TA, AMBIENT TEMPERATURE (C)
PEAK PULSE DERATING IN % OF
20
200
PEAK POWER OR CURRENT
10 x 1000 WAVEFORM
AS DEFINED BY R.E.A.
10,000
1,000
100
1
1 10 100
BIAS VOLTAGE (VOLTS)
1SMA5.0AT3G
TJ = 25C
F = 1 MHz
0
6
T, TEMPERATURE (C)
50 100 150
PD, MAXIMUM POWER DISSIPATION (WATTS)
5
4
3
2
0
1
Figure 1. Pulse Rating Curve Figure 2. Pulse Waveform
Figure 3. Pulse Derating Curve Figure 4. Typical Junction Capacitance vs.
Bias Voltage
Figure 5. Steady State Power Derating
C, CAPACITANCE (pF)
@ TL = 75C
PD = 1.5 W
@ TA = 25C
PD = 0.5 W
25 75 125
10
1SMA10AT3G
1SMA36AT3G
1SMA64AT3G
1SMA5.0AT3G Series, SZ1SMA5.0AT3G Series
http://onsemi.com
5
PACKAGE DIMENSIONS
SMA
CASE 403D−02
ISSUE F
STYLE 1:
PIN 1. CATHODE (POLARITY BAND)
2. ANODE
4.0
0.157
2.0
0.0787
2.0
0.0787
ǒmm
inchesǓ
SCALE 8:1
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
DIM
A
MIN NOM MAX MIN
MILLIMETERS
1.97 2.10 2.20 0.078
INCHES
A1 0.05 0.10 0.15 0.002
b1.27 1.45 1.63 0.050
c0.15 0.28 0.41 0.006
D2.29 2.60 2.92 0.090
E4.06 4.32 4.57 0.160
L0.76 1.14 1.52 0.030
0.083 0.087
0.004 0.006
0.057 0.064
0.011 0.016
0.103 0.115
0.170 0.180
0.045 0.060
NOM MAX
4.83 5.21 5.59 0.190 0.205 0.220
HE
E
bD
Lc
A
A1
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. 403D−01 OBSOLETE, NEW STANDARD IS 403D−02.
POLARITY INDICATOR
OPTIONAL AS NEEDED
(SEE STYLES)
HE
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC 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 special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC 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. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC 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 SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC 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 SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
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USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81−3−5817−1050
1SMA5.0AT3/D
SURMETIC is a registered trademark of Semiconductor Components Industries, LLC.
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