Lead-free

DS18010 Rev. 18 - 2 1 of 4 MMSZ5221B - MMSZ5259B

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ã Diodes Incorporated

MMSZ5221B - MMSZ5259B

500mW SURFACE MOUNT ZENER DIODE

500mW Power Dissipation

General Purpose, Medium Current

Ideally Suited for Automated Assembly Processes

Lead Free/RoHS Compliant (Note 2)

Qualified to AEC-Q101 Standards for High Reliability

Mechanical Data

Features

Case: SOD-123

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)

Polarity: Cathode Band

Ordering Information: See Page 2

Marking: See Below

Weight: 0.01 grams (approximate)

Maximum Ratings

@ T

= 25°C unless otherwise specified

Characteristic Symbol Value Unit

Forward Voltage @ I

= 10mA

0.9 V

Power Dissipation (Note 1)

500 mW

Thermal Resistance, Junction to Ambient Air (Note 1)

qJA

350 °C/W

Operating and Storage Temperature Range

STG

-65 to +150 °C

Notes: 1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm

2. No purposefully added lead.

Month Jan Feb March Apr May Jun Jul

Aug Sep Oct Nov Dec

Code

1234 567

89 OND

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)

Marking Information

Year 1998 1999 2000 2001 2002 2003 2004

2005 2006 2007 2008 2009

Code

JKLMNPR

ST U VW

SOD-123

Dim Min Max

A 3.55 3.85

B 2.55 2.85

C 1.40 1.70

D — 1.35

0.45 0.65

0.55 Typical

G 0.25 —

H 0.11 Typical

J — 0.10

a 0° 8°

All Dimensions in mm

SPICE MODELS: MMSZ5221B MMSZ5223B MMSZ5225B MMSZ5226B MMSZ5227B MMSZ5228B MMSZ5229B MMSZ5230B MMSZ5231B MMSZ5232B

MMSZ5233B MMSZ5234B MMSZ5235B MMSZ5236B MMSZ5237B MMSZ5238B MMSZ5239B MMSZ5240B MMSZ5241B MMSZ5242B MMSZ5243B

MMSZ5245B MMSZ5246B MMSZ5248B MMSZ5250B MMSZ5251B MMSZ5252B MMSZ5254B MMSZ5255B MMSZ5256B MMSZ5257B MMSZ5258B MMSZ5259B

DS18010 Rev. 18 - 2 2 of 4 MMSZ5221B - MMSZ5259B

www.diodes.com

Type

Number

Type

Code

Zener Voltage Range (Note 4)

Test

Current

Maximum Zener

Impedance (Note 3)

Maximum Reverse

Leakage Current (Note 4)

= 0.25mA

Nom (V) Min (V) Max (V) mA

WmA

MMSZ5221B C1, C1 2.4 2.28 2.52 20 30 1200 100 1.0

MMSZ5223B C3, C3 2.7 2.57 2.84 20 30 1300 75 1.0

MMSZ5225B C5, C5 3.0 2.85 3.15 20 30 1600 50 1.0

MMSZ5226B G1, G1 3.3 3.14 3.47 20 28 1600 25 1.0

MMSZ5227B G2, G2 3.6 3.42 3.78 20 24 1700 15 1.0

MMSZ5228B G3, G3 3.9 3.71 4.10 20 23 1900 10 1.0

MMSZ5229B G4, G4 4.3 4.09 4.52 20 22 2000 5.0 1.0

MMSZ5230B G5, G5 4.7 4.47 4.94 20 19 1900 5.0 2.0

MMSZ5231B E1, E1 5.1 4.85 5.36 20 17 1600 5.0 2.0

MMSZ5232B E2, E2 5.6 5.32 5.88 20 11 1600 5.0 3.0

MMSZ5233B E3, E3 6.0 5.70 6.30 20 7 1600 5.0 3.5

MMSZ5234B E4, E4 6.2 5.89 6.51 20 7 1000 5.0 4.0

MMSZ5235B E5, E5 6.8 6.46 7.14 20 5 750 3.0 5.0

MMSZ5236B F1, F1 7.5 7.13 7.88 20 6 500 3.0 6.0

MMSZ5237B F2, F2 8.2 7.79 8.61 20 8 500 3.0 6.5

MMSZ5238B F3, F3 8.7 8.27 9.14 20 8 600 3.0 6.5

MMSZ5239B F4, F4 9.1 8.65 9.56 20 10 600 3.0 7.0

MMSZ5240B F5, F5 10 9.50 10.50 20 17 600 3.0 8.0

MMSZ5241B H1, H1 11 10.45 11.55 20 22 600 2.0 8.4

MMSZ5242B H2, H2 12 11.40 12.60 20 30 600 1.0 9.1

MMSZ5243B H3, H3 13 12.35 13.65 9.5 13 600 0.5 9.9

MMSZ5245B H5, H5 15 14.25 15.75 8.5 16 600 0.1 11

MMSZ5246B J1, J1 16 15.20 16.80 7.8 17 600 0.1 12

MMSZ5248B J3, J3 18 17.10 18.90 7.0 21 600 0.1 14

MMSZ5250B J5, J5 20 19.00 21.00 6.2 25 600 0.1 15

MMSZ5251B K1, K1 22 20.90 23.10 5.6 29 600 0.1 17

MMSZ5252B K2, K2 24 22.80 25.20 5.2 33 600 0.1 18

MMSZ5254B K4, K4 27 25.65 28.35 5.0 41 600 0.1 21

MMSZ5255B K5, K5 28 26.60 29.40 4.5 44 600 0.1 21

MMSZ5256B M1, M1 30 28.50 31.50 4.2 49 600 0.1 23

MMSZ5257B M2, M2 33 31.35 34.65 3.8 58 700 0.1 25

MMSZ5258B M3, M3 36 34.20 37.80 3.4 70 700 0.1 27

MMSZ5259B M4, M4 39 37.05 40.95 3.2 80 800 0.1 30

Electrical Characteristics

@ T

= 25°C unless otherwise specified

Notes: 3. f = 1KHz.

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

* Add “-7-F” to the appropriate type number in Table 1 above example: 6.2V Zener = MMSZ5234B-7-F.

Notes: 5. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Device

Packaging Shipping

(Type Number)-7-F*

SOD-123 3000/Tape & Reel

Ordering Information

(Note 5)

DS18010 Rev. 18 - 2 3 of 4 MMSZ5221B - MMSZ5259B

www.diodes.com

0.1

0.2

0.3

0.4

0.5

25050

100 125 150

P,P

WER DISSIPATI

N(W)

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Power Dissipation vs Ambient Temperature

0.6

C , TOTAL CAPACITANCE (pF)

100

1000

100

V , NOMINAL ZENER VOLTAGE (V)

Fig. 2 Total Capacitance vs Nominal Zener Voltage

T=25°C

V=1V

V=2V

01 2 3 4 5 6

8910

I,ZENER

URRENT (mA)

V , ZENER VOLTAGE (V)

Fig. 4 Zener Breakdown Characteristics

T=25°C

5V6

6V8

8V2

Test Current I

20mA

100

1000

1 10 100

V , NOMINAL ZENER VOLTAGE (V)

Fig. 3 Zener Voltage vs. Zener Impedence

I = 1.0mA

I , ZENER CURRENT (mA)

V , ZENER VOLTAGE (V)

. 5 Zener Breakdown Characteristics

10 20 30 40

T=25°C

Test current I

Nominal Zener Voltage

Part #	MMSZ5242B-7
Description	DIODE ZENER 12V 500MW SOD123
Category	DIODE
Availability	Out of Stock
Qty	0

MMSZ5242B-7

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