© Semiconductor Components Industries, LLC, 2012

February, 2012 − Rev. 11

1

Publication Order Number:

MMSZ5221BT1/D

MMSZ52xxxT1G Series,

SZMMSZ52xxxT1G Series

Zener Voltage Regulators

500 mW SOD−123 Surface Mount

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.

Features

Site and Control Change Requirements; AEC−Q101 Qualified and

PPAP Capable

Mechanical Characteristics:

CASE:

Void-free, transfer-molded, thermosetting plastic case

FINISH:

Corrosion resistant finish, easily solderable

MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:

260

°C for 10 Seconds

POLARITY:

Cathode indicated by polarity band

FLAMMABILITY RATING:

UL 94 V−0

MAXIMUM RATINGS

Rating

Symbol

Max

Units

Total Power Dissipation on FR−5 Board,

Derated above 75°C

500

6.7

mW

mW/°C

Thermal Resistance, Junction−to−Ambient

(Note 2)

340

°C/W

Thermal Resistance, Junction−to−Lead

(Note 2)

150

°C/W

Junction and Storage Temperature Range

°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. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.

2. Thermal Resistance measurement obtained via infrared Scan Method.

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

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

Device

Package

ORDERING INFORMATION

SOD−123

CASE 425

STYLE 1

1

Cathode

2

Anode

MARKING DIAGRAM

See specific marking information in the device marking

column of the Electrical Characteristics table on page 3 of

this data sheet.

DEVICE MARKING INFORMATION

†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.

MMSZ52xxBT1G,

SZMMSZ52xxBT1G

SOD−123

(Pb−Free)

3,000 /

Tape & Reel

MMSZ52xxBT3G,

SZMMSZ52xxBT3G

SOD−123

(Pb−Free)

10,000 /

Tape & Reel

http://onsemi.com

xx

= Device Code (Refer to page 3)

M

= Date Code

G

= Pb−Free Package

(Note: Microdot may be in either location)

xx MG

G

1

MMSZ52xxCT1G,

SZMMSZ52xxCT1G

SOD−123

(Pb−Free)

3,000 /

Tape & Reel

MMSZ52xxCT3G,

SZMMSZ52xxCT3G

SOD−123

(Pb−Free)

10,000 /

Tape & Reel