Lead-free

DS31038 Rev. 10 - 2

1 of 4

MMSZ5221BS - MMSZ5259BS

www.diodes.com

·

Planar Die Construction

·

Ultra-Small Surface Mount Package

·

General Purpose

·

Ideally suited for Automated Assembly Processes

·

Lead Free /RoHS Compliant (Note 3)

Features

Characteristic

Symbol

Value

Unit

Forward Voltage (Note 2)

0.9

V

Power Dissipation (Note 1)

200

mW

Thermal Resistance, Junction to Ambient Air (Note 1)

625

°

C/W

Operating and Storage Temperature Range

-65 to +150

°

C

Notes:

1. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website

at http://www.diodes.com/datasheets/ap02001.pdf.

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

3. No purposefully added lead.

Mechanical Data

MMSZ5221BS - MMSZ5259BS

SURFACE MOUNT ZENER DIODE

A

B

C

D

E

G

H

J

·

Case: SOD-323

·

Case Material: Molded Plastic. UL Flammability Classification

Rating 94V-0

·

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

·

Terminals: Solderable per MIL-STD-202, Method 208

·

Lead Free Plating (Matte Tin Finish annealed over Alloy 42

leadframe). Please see Ordering Information, Note 5, on Page 2

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Polarity: Cathode Band

·

Marking: See Page 2

·

Weight: 0.004 grams (approximate)

SOD-323

Dim

Min

Max

A

2.30

2.70

B

1.60

1.80

C

1.20

1.40

D

1.05 Typical

E

0.25

0.35

G

0.20

0.40

H

0.10

0.15

J

0.05 Typical

a

0°

8°

All Dimensions in mm

SPICE MODELS: MMSZ5221BS MMSZ5223BS MMSZ5225BS MMSZ5226BS MMSZ5227BS MMSZ5228BS MMSZ5229BS MMSZ5230BS MMSZ5231BS

MMSZ5232BS MMSZ5233BS MMSZ5234BS MMSZ5235BS MMSZ5236BS MMSZ5237BS MMSZ5238BS MMSZ5239BS MMSZ5240BS MMSZ5241BS MMSZ5242BS

MMSZ5243BS MMSZ5245BS MMSZ5246BS MMSZ5248BS MMSZ5250BS MMSZ5251BS MMSZ5252BS MMSZ5254BS MMSZ5255BS MMSZ5256BS MMSZ5257BS

MMSZ5258BS MMSZ5259BS