Zener Diodes – Mouser United Kingdom

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SZMMSZ52xT1G Automotive Zener Voltage Regulators

onsemi SZMMSZ52xT1G Automotive Zener Voltage Regulators are robust, surface-mount devices designed to provide precise voltage regulation and overvoltage protection in automotive and industrial applications. Packaged in a compact SOD-123 format, these Zener diodes offer a wide breakdown voltage range from 2.4V to 110V, making the components suitable for a variety of circuit protection and voltage reference tasks. The onsemi SZMMSZ52xT1G regulators are qualified to AEC-Q101 standards, ensuring high reliability under harsh environmental conditions, including extended temperature ranges from -55°C to +150°C. With features such as low leakage current and sharp breakdown characteristics, the SZMMSZ52xT1G series is ideal for use in electronic control units (ECUs), sensor interfaces, infotainment systems, and battery management circuits, where stable and predictable voltage regulation is critical.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Vz - Zener Voltage	Mounting Style	Package/Case	Pd - Power Dissipation	Voltage Tolerance	Ir - Maximum Reverse Leakage Current	Zz - Zener Impedance	Minimum Operating Temperature	Maximum Operating Temperature	Configuration	Test Current	Qualification	Packaging	Series
Zener Diodes ZEN REG 0.5W 12V SZMMSZ5242BT1G onsemi 1: £0.285 144In Stock 108,000On Order	Mfr. Part No. SZMMSZ5242BT1G Mouser Part No 863-SZMMSZ5242BT1G	onsemi	Zener Diodes ZEN REG 0.5W 12V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	144In Stock 108,000On Order On Order Ship Dates Mfr. No: SZMMSZ5242BT1G Stock: 144 Can Dispatch Immediately On Order: 18,000 Expected 15/10/2027 60,000 Expected 20/10/2027 30,000 TBD Factory Lead Time: 52 Weeks	Cut Tape £0.285 £0.137 £0.12 £0.088 £0.078 Reel £0.055 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	12 V	SMD/SMT	SOD-123-2	500 mW	5 %	1 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 12V SZMMSZ5242BT3G onsemi 1: £0.292 523In Stock 10,000Expected 08/11/2027	Mfr. Part No. SZMMSZ5242BT3G Mouser Part No 863-SZMMSZ5242BT3G	onsemi	Zener Diodes ZEN REG 0.5W 12V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	523In Stock 10,000Expected 08/11/2027	Cut Tape £0.292 £0.174 £0.12 £0.088 £0.073 Reel £0.042 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	12 V	SMD/SMT	SOD-123-2	500 mW	5 %	1 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 13V SZMMSZ5243BT1G onsemi 1: £0.233 981In Stock 30,000Expected 01/10/2027	Mfr. Part No. SZMMSZ5243BT1G Mouser Part No 863-SZMMSZ5243BT1G	onsemi	Zener Diodes ZEN REG 0.5W 13V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	981In Stock 30,000Expected 01/10/2027	Cut Tape £0.233 £0.134 £0.107 £0.072 £0.067 Reel £0.049 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	13 V	SMD/SMT	SOD-123-2	500 mW	5 %	500 nA	13 Ohms	- 55 C	+ 150 C	Single	9.5 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZENER REGULATOR SZMMSZ5246BT1G onsemi 1: £0.285 3,096In Stock 30,000Expected 01/12/2027	Mfr. Part No. SZMMSZ5246BT1G Mouser Part No 863-SZMMSZ5246BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	3,096In Stock 30,000Expected 01/12/2027	Cut Tape £0.285 £0.165 £0.113 £0.078 £0.073 Reel £0.055 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	16 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	17 Ohms	- 55 C	+ 150 C	Single	7.8 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 18V SZMMSZ5248BT1G onsemi 1: £0.323 3,096In Stock 60,000On Order	Mfr. Part No. SZMMSZ5248BT1G Mouser Part No 863-SZMMSZ5248BT1G	onsemi	Zener Diodes ZEN REG 0.5W 18V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	3,096In Stock 60,000On Order	Cut Tape £0.323 £0.221 £0.14 £0.088 £0.078 Reel £0.067 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	18 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	21 Ohms	- 55 C	+ 150 C	Single	7 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 22V SZMMSZ5251BT1G onsemi 1: £0.255 5,130In Stock 6,000Expected 08/11/2027	Mfr. Part No. SZMMSZ5251BT1G Mouser Part No 863-SZMMSZ5251BT1G	onsemi	Zener Diodes ZEN REG 0.5W 22V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	5,130In Stock 6,000Expected 08/11/2027	Cut Tape £0.255 £0.114 £0.10 £0.073 Reel £0.054 View £0.049 £0.038 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	22 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	29 Ohms	- 55 C	+ 150 C	Single	5.6 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 27V SZMMSZ5254BT1G onsemi 1: £0.278 15,119In Stock 30,000Expected 08/01/2027	Mfr. Part No. SZMMSZ5254BT1G Mouser Part No 863-SZMMSZ5254BT1G	onsemi	Zener Diodes ZEN REG 0.5W 27V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	15,119In Stock 30,000Expected 08/01/2027	Cut Tape £0.278 £0.12 £0.105 £0.078 Reel £0.057 View £0.051 £0.044 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	27 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	41 Ohms	- 55 C	+ 150 C	Single	4.6 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 28V SZMMSZ5255BT1G onsemi 1: £0.292 417In Stock 12,000On Order	Mfr. Part No. SZMMSZ5255BT1G Mouser Part No 863-SZMMSZ5255BT1G	onsemi	Zener Diodes ZEN REG 0.5W 28V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	417In Stock 12,000On Order On Order Ship Dates Mfr. No: SZMMSZ5255BT1G Stock: 417 Can Dispatch Immediately On Order: 6,000 Expected 09/04/2027 6,000 Expected 15/12/2027 Factory Lead Time: 52 Weeks	Cut Tape £0.292 £0.174 £0.121 £0.082 £0.076 Reel £0.049 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	28 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	44 Ohms	- 55 C	+ 150 C	Single	4.5 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 30V SZMMSZ5256BT1G onsemi 1: £0.263 1,151In Stock 30,000Expected 09/04/2027	Mfr. Part No. SZMMSZ5256BT1G Mouser Part No 863-SZMMSZ5256BT1G	onsemi	Zener Diodes ZEN REG 0.5W 30V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,151In Stock 30,000Expected 09/04/2027	Cut Tape £0.263 £0.137 £0.115 £0.077 Reel £0.055 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	30 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	49 Ohms	- 55 C	+ 150 C	Single	4.2 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 33V SZMMSZ5257BT1G onsemi 1: £0.255 12,734In Stock	Mfr. Part No. SZMMSZ5257BT1G Mouser Part No 863-SZMMSZ5257BT1G	onsemi	Zener Diodes ZEN REG 0.5W 33V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	12,734In Stock	Cut Tape £0.255 £0.114 £0.10 £0.073 Reel £0.054 View £0.069 £0.049 £0.043 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	33 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	58 Ohms	- 55 C	+ 150 C	Single	3.8 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 36V SZMMSZ5258BT1G onsemi 1: £0.292 338In Stock 6,000Expected 21/05/2027	Mfr. Part No. SZMMSZ5258BT1G Mouser Part No 863-SZMMSZ5258BT1G	onsemi	Zener Diodes ZEN REG 0.5W 36V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	338In Stock 6,000Expected 21/05/2027	Cut Tape £0.292 £0.174 £0.121 £0.082 £0.076 Reel £0.049 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	36 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	70 Ohms	- 55 C	+ 150 C	Single	3.4 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 36V SZMMSZ5258BT3G onsemi 1: £0.21 12,445In Stock	Mfr. Part No. SZMMSZ5258BT3G Mouser Part No 863-SZMMSZ5258BT3G	onsemi	Zener Diodes ZEN REG 0.5W 36V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	12,445In Stock	Cut Tape £0.21 £0.092 £0.079 £0.058 Reel £0.03 View £0.052 £0.051 £0.026 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	36 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	70 Ohms	- 55 C	+ 150 C	Single	3.4 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 43V SZMMSZ5260BT1G onsemi 1: £0.24 130In Stock 9,000Expected 02/07/2027	Mfr. Part No. SZMMSZ5260BT1G Mouser Part No 863-SZMMSZ5260BT1G	onsemi	Zener Diodes ZEN REG 0.5W 43V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	130In Stock 9,000Expected 02/07/2027	Cut Tape £0.24 £0.104 £0.09 £0.068 £0.06 Reel £0.035 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	43 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	93 Ohms	- 55 C	+ 150 C	Single	3 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 47V SZMMSZ5261BT1G onsemi 1: £0.30 1,028In Stock 12,000Expected 22/01/2027	Mfr. Part No. SZMMSZ5261BT1G Mouser Part No 863-SZMMSZ5261BT1G	onsemi	Zener Diodes ZEN REG 0.5W 47V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,028In Stock 12,000Expected 22/01/2027	Cut Tape £0.30 £0.176 £0.125 £0.083 £0.078 Reel £0.044 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	47 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	105 Ohms	- 55 C	+ 150 C	Single	2.7 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 47V SZMMSZ5261BT3G onsemi 1: £0.255 10,134In Stock	Mfr. Part No. SZMMSZ5261BT3G Mouser Part No 863-SZMMSZ5261BT3G	onsemi	Zener Diodes ZEN REG 0.5W 47V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	10,134In Stock	Cut Tape £0.255 £0.114 £0.10 £0.073 Reel £0.051 View £0.067 £0.065 £0.038 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	47 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	105 Ohms	- 55 C	+ 150 C	Single	2.7 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 51V SZMMSZ5262BT1G onsemi 1: £0.255 6,390In Stock	Mfr. Part No. SZMMSZ5262BT1G Mouser Part No 863-SZMMSZ5262BT1G	onsemi	Zener Diodes ZEN REG 0.5W 51V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	6,390In Stock	Cut Tape £0.255 £0.114 £0.10 £0.073 Reel £0.054 View £0.044 £0.038 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	51 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	125 Ohms	- 55 C	+ 150 C	Single	2.5 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN SOD123 REG 0.5W 58V SZMMSZ5263BT1G onsemi 1: £0.255 8,952In Stock	Mfr. Part No. SZMMSZ5263BT1G Mouser Part No 863-SZMMSZ5263BT1G	onsemi	Zener Diodes ZEN SOD123 REG 0.5W 58V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	8,952In Stock	Cut Tape £0.255 £0.114 £0.10 £0.073 Reel £0.054 View £0.049 £0.047 £0.038 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	56 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	150 Ohms	- 55 C	+ 150 C	Single	2.2 mA	AEC-Q101	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN SOD123 REG 0.5W 60V SZMMSZ5264BT1G onsemi 1: £0.196 6,213In Stock 9,000On Order	Mfr. Part No. SZMMSZ5264BT1G Mouser Part No 863-SZMMSZ5264BT1G	onsemi	Zener Diodes ZEN SOD123 REG 0.5W 60V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	6,213In Stock 9,000On Order	Cut Tape £0.196 £0.086 £0.075 £0.055 Reel £0.052 View £0.044 £0.034 £0.03 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	60 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	170 Ohms	- 55 C	+ 150 C	Single	2.1 mA	AEC-Q101	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 62V SZMMSZ5265BT1G onsemi 1: £0.30 103In Stock 6,000Expected 02/04/2027	Mfr. Part No. SZMMSZ5265BT1G Mouser Part No 863-SZMMSZ5265BT1G	onsemi	Zener Diodes ZEN REG 0.5W 62V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	103In Stock 6,000Expected 02/04/2027	Cut Tape £0.30 £0.176 £0.125 £0.083 £0.078 Reel £0.055 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	62 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	185 Ohms	- 55 C	+ 150 C	Single	2 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 68V SZMMSZ5266BT1G onsemi 1: £0.255 3,898In Stock	Mfr. Part No. SZMMSZ5266BT1G Mouser Part No 863-SZMMSZ5266BT1G	onsemi	Zener Diodes ZEN REG 0.5W 68V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	3,898In Stock	Cut Tape £0.255 £0.114 £0.10 £0.073 Reel £0.058 View £0.067 £0.047 £0.044 £0.038 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	68 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	230 Ohms	- 55 C	+ 150 C	Single	1.8 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN SOD123 REG 0.5W 82V SZMMSZ5268BT1G onsemi 1: £0.248 380In Stock 9,000Expected 26/03/2027	Mfr. Part No. SZMMSZ5268BT1G Mouser Part No 863-SZMMSZ5268BT1G	onsemi	Zener Diodes ZEN SOD123 REG 0.5W 82V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	380In Stock 9,000Expected 26/03/2027	Cut Tape £0.248 £0.127 £0.088 £0.068 £0.06 Reel £0.038 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	82 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	330 Ohms	- 55 C	+ 150 C	Single	1.5 mA	AEC-Q101	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 91V SZMMSZ5270BT1G onsemi 1: £0.278 8,051In Stock	Mfr. Part No. SZMMSZ5270BT1G Mouser Part No 863-SZMMSZ5270BT1G	onsemi	Zener Diodes ZEN REG 0.5W 91V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	8,051In Stock	Cut Tape £0.278 £0.12 £0.105 £0.078 Reel £0.057 View £0.072 £0.051 £0.038 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	91 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	400 Ohms	- 55 C	+ 150 C	Single	1.4 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN SOD123 REG 0.5W 110V SZMMSZ5272BT1G onsemi 1: £0.30 281In Stock	Mfr. Part No. SZMMSZ5272BT1G Mouser Part No 863-SZMMSZ5272BT1G	onsemi	Zener Diodes ZEN SOD123 REG 0.5W 110V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	281In Stock	Cut Tape £0.30 £0.176 £0.125 £0.083 £0.078 Reel £0.051 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	110 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	750 Ohms	- 55 C	+ 150 C	Single	1.1 mA	AEC-Q101	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN SOD123 REG 0.5W 110V SZMMSZ5272BT3G onsemi 1: £0.225 9,829In Stock	Mfr. Part No. SZMMSZ5272BT3G Mouser Part No 863-SZMMSZ5272BT3G	onsemi	Zener Diodes ZEN SOD123 REG 0.5W 110V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	9,829In Stock	Cut Tape £0.225 £0.099 £0.086 £0.063 Reel £0.035 View £0.056 £0.055 £0.031 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	110 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	750 Ohms	- 55 C	+ 150 C	Single	1.1 mA	AEC-Q101	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 19V SZMMSZ5249BT1G onsemi 1: £0.248 19In Stock 12,000On Order	Mfr. Part No. SZMMSZ5249BT1G Mouser Part No 863-SZMMSZ5249BT1G	onsemi	Zener Diodes ZEN REG 0.5W 19V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	19In Stock 12,000On Order On Order Ship Dates Mfr. No: SZMMSZ5249BT1G Stock: 19 Can Dispatch Immediately On Order: 6,000 Expected 22/01/2027 6,000 Expected 16/04/2027 Factory Lead Time: 52 Weeks	Cut Tape £0.248 £0.141 £0.10 £0.069 £0.061 Reel £0.04 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	19 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	23 Ohms	- 55 C	+ 150 C	Single	6.6 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52