DIODES MMBZ5259B, MMBZ5256B, MMBZ5250B, MMBZ5252B, MMBZ5254B Datasheet

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Features

MMBZ5221B - MMBZ5259B

350mW SURFACE MOUNT ZENER DIODE

· Planar Die Construction

· 350mW Power Dissipation on FR-4 PCB

· General Purpose, Medium Current

· Ideally Suited for Automated Assembly

Processes

Mechanical Data

· Case: SOT-23, Molded Plastic

· Case Material - UL Flammability Rating

Classification 94V-0

· Moisture sensitivity: Level 1 per J-STD-020A

· Terminals: Solderable per MIL-STD-202,

Method 208

· Polarity: See Diagram

· Marking: Marking Code (See Table on Page 2)

· Weight: 0.008 grams (approx.)

Maximum Ratings

Characteristic Symbol Value Unit

Forward Voltage @ IF = 10mA

Power Dissipation (Note 1)

Thermal Resistance, Junction to Ambient Air (Note 1)

Operating and Storage Temperature Range

@ TA = 25°C unless otherwise specified

j,TSTG

SOT-23

Dim Min Max

0.37 0.51

qJA

0.9 V

350 mW

357 °C/W

-65 to +150 °C

1.20 1.40

2.30 2.50

0.89 1.03

0.45 0.60

1.78 2.05

2.80 3.00

0.013 0.10

0.903 1.10

0.45 0.61

0.085 0.180

All Dimensions in mm

0° 8°

Ordering Information

Device

(Type Number)-7*

* Add “-7” to the appropriate type number in Table, Sheet 2 example: 6.2V Zener = MMBZ5234B-7.

Notes: 1. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.

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

(Note 2)

Packaging Shipping

SOT-23 3000/Tape & Reel

DS18011 Rev. 7 - 2 1 of 3 MMBZ5221B - MMBZ5259B

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Electrical Characteristics

@ TA = 25°C unless otherwise specified

Zener Voltage Range (Note 3)

Type

Number

MMBZ5221B KC1 2.4 2.28 2.52 20 30 1200 100 1.0

MMBZ5223B KC3 2.7 2.57 2.84 20 30 1300 75 1.0

MMBZ5225B KC5 3.0 2.85 3.15 20 30 1600 50 1.0

MMBZ5226B KG1 3.3 3.14 3.47 20 28 1600 25 1.0

MMBZ5227B KG2 3.6 3.42 3.78 20 24 1700 15 1.0

MMBZ5228B KG3 3.9 3.71 4.10 20 23 1900 10 1.0

MMBZ5229B KG4 4.3 4.09 4.52 20 22 2000 5.0 1.0

MMBZ5230B KG5/8E 4.7 4.4 7 4.94 20 19 1900 5.0 2.0

MMBZ5231B KE1 5.1 4.85 5.36 20 17 1600 5.0 2.0

MMBZ5232B KE2 5.6 5.32 5.88 20 11 1600 5.0 3.0

MMBZ5233B KE3 6.0 5.70 6.30 20 7 1600 5.0 3.5

MMBZ5234B KE4 6.2 5.89 6.51 20 7 1000 5.0 4.0

MMBZ5235B KE5 6.8 6.46 7.14 20 5 750 3.0 5.0

MMBZ5236B KF1/8L 7.5 7.13 7.88 20 6 500 3.0 6.0

MMBZ5237B KF2 8.2 7.79 8.61 20 8 500 3.0 6.5

MMBZ5238B KF3 8.7 8.27 9.14 20 8 600 3.0 6.5

MMBZ5239B KF4 9.1 8.65 9.56 20 10 600 3.0 7.0

MMBZ5240B KF5 10 9.50 10.50 20 17 600 3.0 8.0

MMBZ5241B KH1 11 10.45 11.55 20 22 600 2.0 8.4

MMBZ5242B KH2/8S 12 11.40 12.60 20 30 600 1.0 9.1

MMBZ5243B KH3 13 12.35 13.65 9.5 13 600 0.5 9.9

MMBZ5245B KH5 15 14.25 15.75 8.5 16 600 0.1 11

MMBZ5246B KJ1 16 15.20 16.80 7.8 17 600 0.1 12

MMBZ5248B KJ3 18 17.10 18.90 7.0 21 600 0.1 14

MMBZ5250B KJ5 20 19.00 21.00 6.2 25 600 0.1 15

MMBZ5251B KK1 22 20.90 23.10 5.6 29 600 0.1 17

MMBZ5252B KK2 24 22.80 25.20 5.2 33 600 0.1 18

MMBZ5254B KK4 27 25.65 28.35 5.0 41 600 0.1 21

MMBZ5255B KK5 28 26.60 29.40 4.5 44 600 0.1 21

MMBZ5256B KM1 30 28.50 31.50 4.2 49 600 0.1 23

MMBZ5257B KM2 33 31.35 34.65 3.8 58 700 0.1 25

MMBZ5258B KM3 36 34.20 37.80 3.4 70 700 0.1 27

MMBZ5259B KM4 39 37.05 40.95 3.2 80 800 0.1 30

Type Code

VZ @ I

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

Maximum Zener

Impedance (Note 4)

ZT @IZT

ZZK @ I

= 0.25mA

WmA

Maximum Reverse

Leakage Current (Note 3)

Notes: 3. Short duration test pulse used to minimize self-heating effect.

4. f = 1KHz.

Marking Information

XXX = Product Type Marking Code YM = Date Code Marking

XXX

Date Code Key

Year 1998 1999 2000 2001 2002 2003 2004

Code

Month Jan Feb March Apr May Jun Jul

Code

DS18011 Rev. 7 - 2 2 of 3 MMBZ5221B - MMBZ5259B

JKLMNPR

1234567

Y = Year ex: N = 2002

M = Month ex: 9 = September

www.diodes.com

2005 2006 2007 2008 2009

ST U VW

Aug Sep Oct Nov Dec

89 OND

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