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quality Planar Die Zener Diode CBI MMSZ5251B Suitable for Automated Assembly and Medium Current Applications factory
quality Planar Die Zener Diode CBI MMSZ5251B Suitable for Automated Assembly and Medium Current Applications factory

Planar Die Zener Diode CBI MMSZ5251B Suitable for Automated Assembly and Medium Current Applications

Key Attributes
Model Number: MMSZ5251B
Product Custom Attributes
Operating Junction Temperature Range:
-65℃~+150℃
Impedance(Zzt):
29Ω
Zener Voltage(Range):
20.9V~23.1V
Pd - Power Dissipation:
350mW
Zener Voltage(Nom):
22V
Mfr. Part #:
MMSZ5251B
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 precise voltage regulation across a wide range of Zener voltages. They are suitable for various electronic circuits requiring stable reference voltages.

Product Attributes

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

Technical Specifications

Type Number Code Nominal Zener Voltage (VZ) (V) Test Current (IZT) (mA) Maximum Zener Impedance (ZZT) () @ IZT Maximum Reverse Current (IR) (uA) @ VR (V)
MMSZ5221B 2.4 20 30 0.25 @ 1.0
MMSZ5223B 2.7 20 30 0.25 @ 1.0
MMSZ5225B 3.0 20 30 0.25 @ 1.0
MMSZ5226B 3.3 20 28 0.25 @ 1.0
MMSZ5227B 3.6 20 24 0.25 @ 1.0
MMSZ5228B 3.9 20 23 0.25 @ 1.0
MMSZ5229B 4.3 20 22 0.25 @ 1.0
MMSZ5230B 4.7 20 19 0.25 @ 2.0
MMSZ5231B 5.1 20 17 0.25 @ 2.0
MMSZ5232B 5.6 20 11 0.25 @ 3.0
MMSZ5233B 6.0 20 7 0.25 @ 3.5
MMSZ5234B 6.2 20 7 0.25 @ 4.0
MMSZ5235B 6.8 20 5 0.25 @ 5.0
MMSZ5236B 7.5 20 6 0.25 @ 6.0
MMSZ5237B 8.2 20 8 0.25 @ 6.5
MMSZ5238B 8.7 20 8 0.25 @ 6.5
MMSZ5239B 9.1 20 10 0.25 @ 7.0
MMSZ5240B 10 20 17 0.25 @ 8.0
MMSZ5241B 11 20 22 0.25 @ 8.4
MMSZ5242B 12 20 30 0.25 @ 9.1
MMSZ5243B 13 13 600 0.25 @ 9.9
MMSZ5244B 14 15 600 0.25 @ 10
MMSZ5245B 15 16 600 0.25 @ 11
MMSZ5246B 16 17 600 0.25 @ 12
MMSZ5248B 18 21 600 0.25 @ 14
MMSZ5250B 20 25 600 0.25 @ 15
MMSZ5251B 22 29 600 0.25 @ 17
MMSZ5252B 24 33 600 0.25 @ 18
MMSZ5253B 25 35 600 0.25 @ 19
MMSZ5254B 27 41 600 0.25 @ 21
MMSZ5255B 28 44 600 0.25 @ 21
MMSZ5256B 30 49 600 0.25 @ 23
MMSZ5257B 33 58 700 0.25 @ 25
MMSZ5258B 36 70 700 0.25 @ 27
MMSZ5259B 39 80 800 0.25 @ 30
Characteristic Symbol Value Unit
Forward Voltage (Note 2) @ IF = 10mA VF 0.9 V
Power Dissipation (Note 1) Pd 350 mW
Thermal Resistance, Junction to Ambient Air RJA 357 /W
Operating and Storage Temperature Range Tj, TSTG -65 to +150

Package Outline (SOD-123)

Symbol Dimension (mm) Min Dimension (mm) 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-MMSZ5251B_C21714211.pdf

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