1

MOTOROLA

1SMA10CAT3 through 1SMA78CAT3

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

Symbol

Value

Unit

Peak Power Dissipation @ TL = 25°C, PW = 10/1000 µs (Note 1)

Ppk

400

Watts

Thermal Resistance from Junction to Lead

R

θJL

29

°C/W

Thermal Resistance from Junction to Ambient

R

θJA

150

°C/W

Operating and Storage Junction Temperature Range

TJ, Tstg

150

°C

* FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec.

1. Non–repetitive current pulse.

ELECTRICAL CHARACTERISTICS

Di

Reverse

Breakdown Voltage

Maximum

Reverse Voltage

Maximum

Reverse

Maximum

D

Device

Stand–off

Voltage VRWM

(Volts)

VBR

Volts

(Min)

IT

mA

Reverse Voltage

@ IRSM

(Clamping Voltage)

VRSM (Volts)

Reverse

Surge Current

IRSM

(Amps)

Reverse Leakage

@ VRWM

IR (µA)

Devce

Marking

1SMA10CAT3

10

11.1

1

17.0

23.5

2.5

QXC

1SMA11CAT3

11

12.2

1

18.2

22.0

2.5

QZC

1SMA12CAT3

12

13.3

1

19.9

20.1

2.5

REC

1SMA13CAT3

13

14.4

1

21.5

18.6

2.5

RGC

1SMA14CAT3

14

15.6

1

23.2

17.2

2.5

RKC

1SMA15CAT3

15

16.7

1

24.4

16.4

2.5

RMC

1SMA16CAT3

16

17.8

1

26.0

15.4

2.5

RPC

1SMA17CAT3

17

18.9

1

27.6

14.5

2.5

RRC

* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of

±5%.

(continued)

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Order this document

by 1SMA10CAT3/D

© Motorola, Inc. 1996

1SMA10CAT3

through

1SMA78CAT3

PLASTIC SURFACE MOUNT

BIDIRECTIONAL

ZENER OVERVOLTAGE

TRANSIENT SUPPRESSORS

10 – 78 VOLTS VR

400 WATTS PEAK POWER

SMA

CASE 403B–01

PLASTIC

REV 1