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quality Voltage Regulation with CBI MMSZ5250B Zener Diode Featuring Planar Die and SOD123 Surface Mount Package factory
quality Voltage Regulation with CBI MMSZ5250B Zener Diode Featuring Planar Die and SOD123 Surface Mount Package factory

Voltage Regulation with CBI MMSZ5250B Zener Diode Featuring Planar Die and SOD123 Surface Mount Package

Key Attributes
Model Number: MMSZ5250B
Product Custom Attributes
Operating Junction Temperature Range:
-65℃~+150℃
Impedance(Zzt):
25Ω
Zener Voltage(Range):
19V~21V
Pd - Power Dissipation:
350mW
Zener Voltage(Nom):
20V
Mfr. Part #:
MMSZ5250B
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 reliable voltage regulation.

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) Minimum Zener Voltage (V) Maximum Zener Voltage (V) Test Current (IZT) (mA) Maximum Zener Impedance (ZZT) () Maximum Reverse Current (IR) (uA) Maximum Zener Impedance (ZZK) () Test Current (IZK) (mA) Reverse Voltage (VR) (V)
MMSZ5221B 2.4 2.28 2.52 20 30 0.25 1200 100 1.0
MMSZ5223B 2.7 2.57 2.84 20 30 0.25 1300 75 1.0
MMSZ5225B 3.0 2.85 3.15 20 30 0.25 1600 50 1.0
MMSZ5226B 3.3 3.14 3.47 20 28 0.25 1600 25 1.0
MMSZ5227B 3.6 3.42 3.78 20 24 0.25 1700 15 1.0
MMSZ5228B 3.9 3.71 4.10 20 23 0.25 1900 10 1.0
MMSZ5229B 4.3 4.09 4.52 20 22 0.25 2000 5 1.0
MMSZ5230B 4.7 4.47 4.94 20 19 0.25 1900 5 2.0
MMSZ5231B 5.1 4.85 5.36 20 17 0.25 1600 5 2.0
MMSZ5232B 5.6 5.32 5.88 20 11 0.25 1600 5 3.0
MMSZ5233B 6.0 5.70 6.30 20 7 0.25 1600 5 3.5
MMSZ5234B 6.2 5.89 6.51 20 7 0.25 1000 5 4.0
MMSZ5235B 6.8 6.46 7.14 20 5 0.25 750 3 5.0
MMSZ5236B 7.5 7.13 7.88 20 6 0.25 500 3 6.0
MMSZ5237B 8.2 7.79 8.61 20 8 0.25 500 3 6.5
MMSZ5238B 8.7 8.27 9.14 20 8 0.25 600 3 6.5
MMSZ5239B 9.1 8.65 9.56 20 10 0.25 600 3 7.0
MMSZ5240B 10 9.50 10.50 20 17 0.25 600 3 8.0
MMSZ5241B 11 10.45 11.55 20 22 0.25 600 2.0 8.4
MMSZ5242B 12 11.40 12.60 20 30 0.25 600 1.0 9.1
MMSZ5243B 13 12.35 13.65 9.5 13 0.25 600 0.5 9.9
MMSZ5244B 14 13.30 14.70 9.0 15 0.25 600 0.1 10
MMSZ5245B 15 14.25 15.75 8.5 16 0.25 600 0.1 11
MMSZ5246B 16 15.20 16.80 7.8 17 0.25 600 0.1 12
MMSZ5248B 18 17.10 18.90 7.0 21 0.25 600 0.1 14
MMSZ5250B 20 19.00 21.00 6.2 25 0.25 600 0.1 15
MMSZ5251B 22 20.90 23.10 5.6 29 0.25 600 0.1 17
MMSZ5252B 24 22.80 25.20 5.2 33 0.25 600 0.1 18
MMSZ5253B 25 23.75 26.25 5.0 35 0.25 600 0.1 19
MMSZ5254B 27 25.65 28.35 5.0 41 0.25 600 0.1 21
MMSZ5255B 28 26.60 29.40 4.5 44 0.25 600 0.1 21
MMSZ5256B 30 28.50 31.50 4.2 49 0.25 600 0.1 23
MMSZ5257B 33 31.35 34.65 3.8 58 0.25 700 0.1 25
MMSZ5258B 36 34.20 37.80 3.4 70 0.25 700 0.1 27
MMSZ5259B 39 37.05 40.95 3.2 80 0.25 800 0.1 30

Maximum Ratings (Ta=25 unless otherwise specified)

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~ +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.

Package Outline: SOD-123

Symbol Dimension in Millimeters (Min) Dimension in Millimeters (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-MMSZ5250B_C21714210.pdf

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