MOTOROLA

SEMICONDUCTOR

TECHNICAL DATA

Motorola TVS/Zener Device Data

7-1

500 mW Leadless (SOD-123) Data Sheet

Designer’s

™ Data Sheet

Surface Mount Silicon Zener Diodes

Plastic SOD123 Package

Three complete series of Zener Diodes are offered in the convenient, surface mount

plastic SOD-123 package. These devices provide a convenient alternative to the leadless

34 package style.

Add “T1” to the device number to order the 7 inch / 3000 unit reel.

Add “T3” to the device number to order the 13 inch / 10,000 unit reel.

Assembly/Test Location: Seremban, Malaysia

MMSZ5221BT1 thru MMSZ5270BT1

Rating

Symbol

Value

Unit

Power Dissipation on FR-4 or FR-5 Board [1]

Derate above TL = 75°C

PD

—

500

6.7

mW

mW/

°C

Thermal Resistance Junction to Lead [2]

Thermal Resistance Junction to Ambient [2]

R

θJL

R

θJA

150

340

°C/W

Junction Temperature Range

TJ

–55 to +150

°C

Storage Temperature Range

Tstg

–55 to +150

°C

Lead Solder Temperature – Maximum (10 sec. duration)

—

260

°C

[1] FR-4 or FR-5 = 3.5 x 1.5 inches, using the Motorola minimum recommended footprint as shown in Figure 11.

[2] Thermal Resistance measurement obtained via Infrared Scan Method

Designer’s Data for “Worst Case’’ Conditions — The Designer’s Data Sheet permits the design of most circuits entirely from the information presented. Limit curves — representing

boundaries on device characteristics — are given to facilitate “worst case’’ design.

Designer’s is a trademark of Motorola, Inc.

Thermal Clad is a trademark of the Bergquist Company.

Preferred devices are Motorola recommended choices for future use and best overall value.

MMSZ5221BT1

SERIES

PLASTIC SURFACE

MOUNT

ZENER DIODES

500 MILLIWATTS

1.8 – 91 VOLTS

CASE 425, STYLE 1

PLASTIC

1: CATHODE

2: ANODE

12