Medium Current Zener Diode CBI MMSZ5242B with Precise Voltage Tolerances and Planar Die Construction

Name: Medium Current Zener Diode CBI MMSZ5242B with Precise Voltage Tolerances and Planar Die Construction
Brand: Hefei Purple Horn E-Commerce Co., Ltd.
SKU: MMSZ5242B
Availability: InStock

Key Attributes

Model Number: MMSZ5242B

Product Custom Attributes

Operating Junction Temperature Range:

-65℃~+150℃

Zener Voltage(Range):

11.4V~12.6V

Pd - Power Dissipation:

350mW

Zener Voltage(Nom):

12V

Mfr. Part #:

MMSZ5242B

Package:

SOD-123

Product Description

Product Overview

This series of Zener diodes features a planar die construction and an ultra-small surface mount package (SOD-123), making them ideally suited for automated assembly processes. Designed for general purpose, medium current applications, these diodes offer a wide range of Zener voltage options from 2.4V to 39V, with precise voltage tolerances. They are suitable for various electronic circuits requiring stable voltage references.

Product Attributes

Brand: Heyuan China Base Electronics Technology Co., Ltd.
Package Type: SOD-123
Construction: Planar Die
Application: General purpose, Medium Current
Assembly: Ideally Suited for Automated Assembly Processes

Technical Specifications

Maximum Ratings

Characteristic	Symbol	Value	Unit	Notes
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 mm².
2. Tested with pulses, Tp1.0ms.

Electrical Characteristics

Type Number Code	Nominal Zener Voltage (V)	Minimum Zener Voltage (V)	Maximum Zener Voltage (V)	Test Current (IZT) (mA)	Maximum Zener Impedance (ZZT@IZT) ()	Maximum Zener Impedance (ZZK@IZK) ()	Maximum Reverse Current (IR) (uA)	Reverse Voltage (VR) (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

Notes:
2. Tested with pulses, Tp1.0ms.
4. Zener Impedance is measured at the test current IZT. ZZK is measured at 10% of IZT.

Package Outline (SOD-123)

Symbol	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-MMSZ5242B_C21714205.pdf

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