General Purpose Zener Diode CBI MMSZ5254B with Planar Die and Compact Surface Mount SOD123 Package

Name: General Purpose Zener Diode CBI MMSZ5254B with Planar Die and Compact Surface Mount SOD123 Package
Brand: Hefei Purple Horn E-Commerce Co., Ltd.
SKU: MMSZ5254B
Availability: InStock

Key Attributes

Model Number: MMSZ5254B

Product Custom Attributes

Operating Junction Temperature Range:

-65℃~+150℃

Impedance(Zzt):

41Ω

Zener Voltage(Range):

25.65V~28.35V

Pd - Power Dissipation:

350mW

Zener Voltage(Nom):

27V

Mfr. Part #:

MMSZ5254B

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 Plastic-Encapsulate Diodes
Construction: Planar Die
Assembly Suitability: Automated Assembly Processes

Technical Specifications

Type Number Code	Nominal Zener Voltage (V)	Zener Voltage Min (V)	Zener Voltage Max (V)	Test Current (mA)	Max Zener Impedance () @ IZT	Max Zener Impedance () @ IZK	Max Reverse Current (A) @ VR	Max Reverse Current (mA) @ VR
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

Characteristic	Symbol	Value	Unit	Note
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~ +150

Notes:

1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm.
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-MMSZ5254B_C5362066.pdf

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