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quality Automated assembly compatible zener diode planar die sod123 package for voltage regulation CBI MMSZ5231B factory
quality Automated assembly compatible zener diode planar die sod123 package for voltage regulation CBI MMSZ5231B factory

Automated assembly compatible zener diode planar die sod123 package for voltage regulation CBI MMSZ5231B

Key Attributes
Model Number: MMSZ5231B
Product Custom Attributes
Operating Junction Temperature Range:
-65℃~+150℃
Impedance(Zzt):
17Ω
Pd - Power Dissipation:
350mW
Zener Voltage(Range):
4.85V~5.36V
Zener Voltage(Nom):
5.1V
Mfr. Part #:
MMSZ5231B
Package:
SOD-123
Product Description

Product Overview

This series of Zener diodes features a planar die construction and an ultra-small surface mount package, making them ideally suited for automated assembly processes. Designed for general purpose, medium current applications, these diodes offer a reliable solution for voltage regulation needs.

Product Attributes

  • Brand: Heyuan China Base Electronics Technology Co., Ltd.
  • Package Type: SOD-123
  • Construction: Planar Die
  • Assembly Suitability: Automated Assembly Processes

Technical Specifications

Maximum Ratings

Characteristic Symbol Value Unit Condition
Forward Voltage VF 0.9 V @ IF = 10mA (Note 2)
Power Dissipation Pd 350 mW (Note 1)
Thermal Resistance, Junction to Ambient Air RJA 357 /W
Operating and Storage Temperature Range Tj, TSTG -65 to +150

Notes:
1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm2.
2. Tested with pulses, Tp1.0ms.

Electrical Characteristics

Type Number Code Nominal Zener Voltage (VZ) Minimum Zener Voltage (VZ) Maximum Zener Voltage (VZ) Test Current (IZT) Maximum Zener Impedance (ZZT) Maximum Zener Impedance (ZZK) Maximum Reverse Current (IR) Reverse Voltage (VR)
@ IZT (mA) @ IZT () @ IZK () (uA) (V)
MMSZ5221B 2.4 2.28 2.52 20 30 1200 0.25 1.0
MMSZ5223B 2.7 2.57 2.84 20 30 1300 0.25 1.0
MMSZ5225B 3.0 2.85 3.15 20 30 1600 0.25 1.0
MMSZ5226B 3.3 3.14 3.47 20 28 1600 0.25 1.0
MMSZ5227B 3.6 3.42 3.78 20 24 1700 0.25 1.0
MMSZ5228B 3.9 3.71 4.10 20 23 1900 0.25 1.0
MMSZ5229B 4.3 4.09 4.52 20 22 2000 0.25 1.0
MMSZ5230B 4.7 4.47 4.94 20 19 1900 0.25 2.0
MMSZ5231B 5.1 4.85 5.36 20 17 1600 0.25 2.0
MMSZ5232B 5.6 5.32 5.88 20 11 1600 0.25 3.0
MMSZ5233B 6.0 5.70 6.30 20 7 1600 0.25 3.5
MMSZ5234B 6.2 5.89 6.51 20 7 1000 0.25 4.0
MMSZ5235B 6.8 6.46 7.14 20 5 750 0.25 5.0
MMSZ5236B 7.5 7.13 7.88 20 6 500 0.25 6.0
MMSZ5237B 8.2 7.79 8.61 20 8 500 0.25 6.5
MMSZ5238B 8.7 8.27 9.14 20 8 600 0.25 6.5
MMSZ5239B 9.1 8.65 9.56 20 10 600 0.25 7.0
MMSZ5240B 10 9.50 10.50 20 17 600 0.25 8.0
MMSZ5241B 11 10.45 11.55 20 22 600 0.25 8.4
MMSZ5242B 12 11.40 12.60 20 30 600 0.25 9.1
MMSZ5243B 13 12.35 13.65 9.5 13 600 0.25 9.9
MMSZ5244B 14 13.30 14.70 9.0 15 600 0.25 10
MMSZ5245B 15 14.25 15.75 8.5 16 600 0.25 11
MMSZ5246B 16 15.20 16.80 7.8 17 600 0.25 12
MMSZ5248B 18 17.10 18.90 7.0 21 600 0.25 14
MMSZ5250B 20 19.00 21.00 6.2 25 600 0.25 15
MMSZ5251B 22 20.90 23.10 5.6 29 600 0.25 17
MMSZ5252B 24 22.80 25.20 5.2 33 600 0.25 18
MMSZ5253B 25 23.75 26.25 5.0 35 600 0.25 19
MMSZ5254B 27 25.65 28.35 5.0 41 600 0.25 21
MMSZ5255B 28 26.60 29.40 4.5 44 600 0.25 21
MMSZ5256B 30 28.50 31.50 4.2 49 600 0.25 23
MMSZ5257B 33 31.35 34.65 3.8 58 700 0.25 25
MMSZ5258B 36 34.20 37.80 3.4 70 700 0.25 27
MMSZ5259B 39 37.05 40.95 3.2 80 800 0.25 30

Note 2: Tested with pulses, Tp1.0ms.

Note 4: Maximum Zener Impedance values are specified at the test current IZT and IZK respectively.

PINNING

PIN DESCRIPTION
1 Cathode
2 Anode

PACKAGE OUTLINE

Plastic surface mounted package; 2 leads

Model: SOD-123

Symbol Dimension in Millimeters Min Max
A 0.95 1.15
A1 0.01 0.100
B 1.55 1.65
bp 0.50 0.70
C 0.09 0.150
E 2.60 2.70
HE 3.45 3.85
Lp 0.20 0.45
0 5

2410121317_CBI-MMSZ5231B_C21714197.pdf

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