DS18010 Rev. 7 - 2

1 of 3

MMSZ5221B - MMSZ5259B

www.diodes.com

MMSZ5221B - MMSZ5259B

500mW SURFACE MOUNT ZENER DIODE

·

Planar Die Construction

·

500mW Power Dissipation

·

General Purpose, Medium Current

·

Ideally Suited for Automated Assembly

Processes

Mechanical Data

Features

A

B

C

D

E

G

H

J

·

Case: SOD-123, Plastic

·

UL Flammability Classification Rating 94V-0

·

Moisture Sensitivity: Level 1 per J-STD-020A

·

Terminals: Solderable per MIL-STD-202,

Method 208

·

Polarity: Cathode Band

·

Marking: See Below

·

Weight: 0.01grams (approx.)

·

Ordering Information: See Page 2

Maximum Ratings

°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Forward Voltage (Note 2)

0.9

V

Power Dissipation

(Note 1)

500

mW

Thermal Resistance, Junction to Ambient Air

(Note 1)

350

°C/W

Operating and Storage Temperature Range

-65 to +150

°C

Notes:

2. Short duration test pulse used to minimize self-heating effect.

SOD-123

Dim

Min

Max

A

3.55

3.85

B

2.55

2.85

C

1.40

1.70

D

—

1.35

E

0.55 Typical

G

0.25

—

H

0.11 Typical

J

—

0.10

a

0

°

8

°

All Dimensions in mm

Month

Jan

Feb

March

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Code

12

3

4

5

6

7

89

O

N

D

Year

1998

1999

2000

2001

2002

2003

2004

2005

Code

JK

L

M

N

PR

S

Date Code Key

XX = Product Type Marking Code (See Page 2)

YM = Date Code Marking

Y = Year (ex: N = 2002)

M = Month (ex: 9 = September)

XX

Marking Information