Datasheet 1SMA10CAT3 Datasheet (ON Semiconductor)

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1SMA10CAT3 Series

400 Watt Peak Power Zener
Transient Voltage
Suppressors

Bidirectional*

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.

Specification Features

• Working Peak Reverse Voltage Range − 10 V to 78 V

• Standard Zener Breakdown Voltage Range − 11.7 V to 91.3 V

• Peak Power − 400 Watts @ 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

• Pb−Free Packages are Available

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PLASTIC SURFACE MOUNT

ZENER OVERVOLTAGE

TRANSIENT SUPPRESSORS

10−78 V V

R

400 W PEAK POWER

SMA

CASE 403B

PLASTIC

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:

260°C for 10 Seconds

POLARITY: Cathode polarity notch does not indicate polarity
MOUNTING POSITION: Any

MARKING DIAGRAM

xxC
LLYWW

xxC = Specific Device Code

LL = Assembly Location
Y = Year
WW = Work Week

ORDERING INFORMATION

Device

1SMAxxCAT3
1SMAxxCAT3G

†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.

Individual devices are listed on page 3 of this data sheet.

*The “T3” suffix refers to a 13 inch reel.

= (See Table Next Page)

*

Package

SMA
SMA

(Pb−Free)

Shipping

5000/Tape & Reel
5000/Tape & Reel

†

 Semiconductor Components Industries, LLC, 2004

April, 2004 − Rev. 6

1 Publication Order Number:

1SMA10CAT3/D

1SMA10CAT3 Series

MAXIMUM RATINGS

Rating Symbol Value Unit

Peak Power Dissipation (Note 1)

= 25°C, Pulse Width = 1 ms

@ T

L

DC Power Dissipation @ TL = 75°C

Measured Zero Lead Length (Note 2)
Derate Above 75°C

Thermal Resistance from Junction−to−Lead
DC Power Dissipation (Note 3) @ TA = 25°C

Derate Above 25°C

Thermal Resistance from Junction−to−Ambient
Operating and Storage Temperature Range TJ, T
Maximum ratings are those values beyond which device damage can occur . Maximum ratings applied to the device are individual stress limit

values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not im­plied, damage may occur and reliability may be affected.

1. 10 X 1000 s, 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.
*Please see 1SMA5.0AT3 to 1SMA78AT3 for Unidirectional devices.

P

PK

P

D

R



JL

P

D

R



JA

stg

400 W

1.5

20
50

0.5

4.0

250

W

mW/°C

°C/W

W

mW/°C

°C/W

−65 to +150 °C

ELECTRICAL CHARACTERISTICS

(TA = 25°C unless otherwise noted)

Symbol

I

PP

V

C

V

RWM

I

R

V

BR

I

T

Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
Breakdown Voltage @ I
Test Current

Parameter

PP

T

RWM

BR

V

RWM

VCV

Bi−Directional TVS

I

I

PP

I

T

I

R

I

V

RWM

V

R

I

T

I

PP

BR

V

V

C

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1SMA10CAT3 Series

V

Devi

ELECTRICAL CHARACTERISTICS

Breakdown Voltage VC @ I

V

(Volts) (Note 5) @ I

BR

T

Min Nom Max mA

V

C

Volts Amps

Device

ce

Marking

RWM

(Note 4)

I

R

Volts A

@ V

RWM

1SMA10CAT3 QXC 10 2.5 11.1 11.69 12.27 1.0 17.0 23.5
1SMA11CAT3 QZC 11 2.5 12.2 12.84 13.48 1.0 18.2 22.0
1SMA12CAT3 REC 12 2.5 13.3 14.00 14.70 1.0 19.9 20.1

1SMA13CAT3, G* RGC 13 2.5 14.4 15.16 15.92 1.0 21.5 18.6

1SMA14CAT3 RKC 14 2.5 15.6 16.42 17.24 1.0 23.2 17.2
1SMA15CAT3, G* RMC 15 2.5 16.7 17.58 18.46 1.0 24.4 16.4
1SMA16CAT3, G* RPC 16 2.5 17.8 18.74 19.67 1.0 26.0 15.4

1SMA18CAT3 RTC 18 2.5 20 21.06 22.11 1.0 29.2 13.7
1SMA20CAT3, G* RVC 20 2.5 22.2 23.37 24.54 1.0 32.4 12.3

1SMA22CAT3 RXC 22 2.5 24.4 25.69 26.97 1.0 35.5 11.3
1SMA24CAT3, G* RZC 24 2.5 26.7 28.11 29.51 1.0 38.9 10.3

1SMA26CAT3, G* SEC 26 2.5 28.9 30.42 31.94 1.0 42.1 9.5

1SMA28CAT3 SGC 28 2.5 31.1 32.74 34.37 1.0 45.4 8.8

1SMA30CAT3 SKC 30 2.5 33.3 35.06 36.81 1.0 48.4 8.3
1SMA33CAT3, G* SMC 33 2.5 36.7 38.63 40.56 1.0 53.3 7.5

1SMA36CAT3, G* SPC 36 2.5 40 42.11 44.21 1.0 58.1 6.9

1SMA40CAT3 SRC 40 2.5 44.4 46.74 49.07 1.0 64.5 6.2

1SMA43CAT3 STC 43 2.5 47.8 50.32 52.83 1.0 69.4 5.8

1SMA48CAT3 SXC 48 2.5 53.3 56.11 58.91 1.0 77.4 5.2

1SMA51CAT3 SZC 51 2.5 56.7 59.69 62.67 1.0 82.4 4.9

1SMA54CAT3 TEC 54 2.5 60 63.16 66.32 1.0 87.1 4.6
1SMA58CAT3, G* TGC 58 2.5 64.4 67.79 71.18 1.0 93.6 4.3

1SMA60CAT3, G* TKC 60 2.5 66.7 70.21 73.72 1.0 96.8 4.1

1SMA64CAT3 TMC 64 2.5 71.1 74.84 78.58 1.0 103 3.9

1SMA70CAT3 TPC 70 2.5 77.8 81.90 85.99 1.0 113 3.5

1SMA78CAT3 TTC 78 2.5 86.7 91.27 95.83 1.0 126 3.2

4. A transient suppressor is normally selected according to the working peak reverse voltage (V
the DC or continuous peak operating voltage level

measured at pulse test current IT at an ambient temperature of 25°C

5. V

BR

6. Surge current waveform per Figure 2 and derate per Figure 3

), which should be equal to or greater than

RWM

*The “G” suffix indicates Pb−Free package available.

PP

(Note 6)

I

PP

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1SMA10CAT3 Series

RATING AND TYPICAL CHARACTERISTIC CURVES

100

10

, PEAK POWER (kW)

1

pk

P

0.1

−4

10

NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 2.
T

= 25°C

A

0.010.001

, PULSE WIDTH (ms)

t

P

0.1 1 10

Figure 1. Pulse Rating Curve

120

100

80

60

120

T

= 25°C

= 10 s

100

PEAK VALUE

80

I

ppm

60

40

, PEAK PULSE CURRENT (%)

ppm

I

20

t

d

0

01 2 34

A

PW (I

) IS DEFINED AS THE

D

POINT WHERE THE PEAK CURRENT
DECAYS TO 50% OF I

pp

HALF VALUE − Ipp/2

10/1000 s WAVEFORM
AS DEFINED BY R.E.A.

t, TIME (ms)

Figure 2. Pulse Waveform

10 x 1000 WAVEFORM

AS DEFINED BY R.E.A.

.

5

40

PEAK POWER OR CURRENT

PEAK PULSE DERATING IN % OF

20

0

0 40 80 120 160

, AMBIENT TEMPERATURE (°C)

T

A

Figure 3. Pulse Derating Curve

200

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1SMA10CAT3 Series

OUTLINE DIMENSIONS

SMA

CASE 403B−02

ISSUE C

S

A

DB

POLARITY INDICATOR OPTIONAL
AS NEEDED

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.

2. CONTROLLING DIMENSION: INCH.

3. 403B−01 OBSOLETE, NEW STANDARD 403B−02.

DIM MIN MAX MIN MAX

A 0.160 0.180 4.06 4.57
B 0.090 0.115 2.29 2.92
C 0.075 0.095 1.91 2.41
D 0.050 0.064 1.27 1.63
H 0.002 0.006 0.05 0.15
J 0.006 0.016 0.15 0.41
K 0.030 0.060 0.76 1.52
S 0.190 0.220 4.83 5.59

MILLIMETERSINCHES

C

K

J

H

SOLDERING FOOTPRINT*

4.0

0.157

2.0

0.0787

2.0

0.0787

mm



SCALE 8:1

inches



*For additional information on our Pb−Free strategy and soldering

details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.

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1SMA10CAT3 Series

SURMETIC is a trademark of Semiconductor Components Industries, LLC.

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
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1SMA10CAT3/D

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