Zener Diodes – Mouser Canada

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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 (CAD) 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 4.7V SZMMSZ5230BT1G onsemi 1: $0.49 93,633In Stock	Mfr. Part # SZMMSZ5230BT1G Mouser Part # 863-SZMMSZ5230BT1G	onsemi	Zener Diodes ZEN REG 0.5W 4.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	93,633In Stock	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.094 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4.7 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	19 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 6.0V SZMMSZ5233BT1G onsemi 1: $0.432 173,777In Stock	Mfr. Part # SZMMSZ5233BT1G Mouser Part # 863-SZMMSZ5233BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.0V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	173,777In Stock	Cut Tape $0.432 $0.219 $0.19 $0.141 Reel $0.096 View $0.086 $0.079 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	7 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 14V SZMMSZ5244BT1G onsemi 1: $0.389 54,526In Stock	Mfr. Part # SZMMSZ5244BT1G Mouser Part # 863-SZMMSZ5244BT1G	onsemi	Zener Diodes ZEN REG 0.5W 14V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	54,526In Stock	Cut Tape $0.389 $0.219 $0.174 $0.124 Reel $0.095 View $0.117 $0.086 $0.082 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	14 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	15 Ohms	- 55 C	+ 150 C	Single	9 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 6.2V SZMMSZ5234BT1G onsemi 1: $0.389 46,947In Stock	Mfr. Part # SZMMSZ5234BT1G Mouser Part # 863-SZMMSZ5234BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.2V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	46,947In Stock	Cut Tape $0.389 $0.219 $0.17 $0.121 Reel $0.095 View $0.112 $0.084 $0.081 $0.068 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6.2 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	7 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZENER REGULATOR SZMMSZ5252BT1G onsemi 1: $0.619 1,084In Stock 30,000Expected 2026-11-09	Mfr. Part # SZMMSZ5252BT1G Mouser Part # 863-SZMMSZ5252BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,084In Stock 30,000Expected 2026-11-09	Cut Tape $0.619 $0.423 $0.268 $0.168 $0.148 Reel $0.13 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	24 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	33 Ohms	- 55 C	+ 150 C	Single	5.2 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZENER REGULATOR SZMMSZ5221BT1G onsemi 1: $0.49 21,117In Stock	Mfr. Part # SZMMSZ5221BT1G Mouser Part # 863-SZMMSZ5221BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	21,117In Stock	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.094 $0.085 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2.4 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes Zener Diode 500 mW SOD-123 SZMMSZ5248CT1G onsemi 1: $0.461 4,672In Stock New Product	Mfr. Part # SZMMSZ5248CT1G Mouser Part # 863-SZMMSZ5248CT1G New Product	onsemi	Zener Diodes Zener Diode 500 mW SOD-123 Learn More about onsemi szmmsz52xt1g regulators	Datasheet	4,672In Stock	Cut Tape $0.461 $0.204 $0.179 $0.132 Reel $0.12 View $0.086 $0.068	Min.: 1 Mult.: 1 : 3,000	18 V	SMD/SMT	SOD-123-2	500 mW	2 %	100 nA	21 Ohms	- 55 C	+ 155 C	Single		AEC-Q101	Reel, Cut Tape	SZMMSZ52
Zener Diodes Zener Diode 500 mW SOD-123 SZMMSZ5258CT1G onsemi 1: $0.461 5,307In Stock New Product	Mfr. Part # SZMMSZ5258CT1G Mouser Part # 863-SZMMSZ5258CT1G New Product	onsemi	Zener Diodes Zener Diode 500 mW SOD-123 Learn More about onsemi szmmsz52xt1g regulators	Datasheet	5,307In Stock	Cut Tape $0.461 $0.204 $0.179 $0.132 Reel $0.118 View $0.114 $0.099 $0.076	Min.: 1 Mult.: 1 : 3,000	36 V	SMD/SMT	SOD-123-2	500 mW	2 %	100 nA	70 Ohms	- 55 C	+ 155 C	Single		AEC-Q101	Reel, Cut Tape	SZMMSZ52
Zener Diodes ZEN REG 0.5W 10V SZMMSZ5240BT1G onsemi 1: $0.49 41,467In Stock	Mfr. Part # SZMMSZ5240BT1G Mouser Part # 863-SZMMSZ5240BT1G	onsemi	Zener Diodes ZEN REG 0.5W 10V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	41,467In Stock	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.137 $0.094 $0.082 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	10 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	17 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 15V SZMMSZ5245BT1G onsemi 1: $0.576 32,299In Stock	Mfr. Part # SZMMSZ5245BT1G Mouser Part # 863-SZMMSZ5245BT1G	onsemi	Zener Diodes ZEN REG 0.5W 15V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	32,299In Stock	Cut Tape $0.576 $0.338 $0.239 $0.16 $0.15 Reel $0.111 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	15 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	16 Ohms	- 55 C	+ 150 C	Single	8.5 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 20V SZMMSZ5250BT1G onsemi 1: $0.619 42,267In Stock	Mfr. Part # SZMMSZ5250BT1G Mouser Part # 863-SZMMSZ5250BT1G	onsemi	Zener Diodes ZEN REG 0.5W 20V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	42,267In Stock	Cut Tape $0.619 $0.423 $0.268 $0.168 Reel $0.13 View $0.148 $0.111 $0.109 $0.099 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	20 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	25 Ohms	- 55 C	+ 150 C	Single	6.2 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 2.5V SZMMSZ5222BT1G onsemi 1: $0.49 16,791In Stock 9,000Expected 2027-04-09	Mfr. Part # SZMMSZ5222BT1G Mouser Part # 863-SZMMSZ5222BT1G	onsemi	Zener Diodes ZEN REG 0.5W 2.5V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	16,791In Stock 9,000Expected 2027-04-09	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.099 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2.5 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 2.7V SZMMSZ5223BT1G onsemi 1: $0.389 15,998In Stock	Mfr. Part # SZMMSZ5223BT1G Mouser Part # 863-SZMMSZ5223BT1G	onsemi	Zener Diodes ZEN REG 0.5W 2.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	15,998In Stock	Cut Tape $0.389 $0.171 $0.15 $0.109 Reel $0.079 View $0.105 $0.076 $0.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2.7 V	SMD/SMT	SOD-123-2	500 mW	5 %	75 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.0V SZMMSZ5225BT1G onsemi 1: $0.576 1,494In Stock 6,000Expected 2027-07-16	Mfr. Part # SZMMSZ5225BT1G Mouser Part # 863-SZMMSZ5225BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.0V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,494In Stock 6,000Expected 2027-07-16	Cut Tape $0.576 $0.338 $0.239 $0.16 $0.148 Reel $0.094 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3 V	SMD/SMT	SOD-123-2	500 mW	5 %	50 uA	29 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.3V SZMMSZ5226BT1G onsemi 1: $0.49 1,618In Stock 39,000On Order	Mfr. Part # SZMMSZ5226BT1G Mouser Part # 863-SZMMSZ5226BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.3V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,618In Stock 39,000On Order On Order Ship Dates Mfr. #: SZMMSZ5226BT1G Stock: 1,618 Can Ship Immediately On Order: 30,000 Expected 2027-11-02 9,000 TBD Factory Lead-Time: 52 Weeks	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.132 $0.101 $0.099 $0.084 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.3 V	SMD/SMT	SOD-123-2	500 mW	5 %	25 uA	28 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.6V SZMMSZ5227BT1G onsemi 1: $0.576 434In Stock 12,000On Order	Mfr. Part # SZMMSZ5227BT1G Mouser Part # 863-SZMMSZ5227BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.6V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	434In Stock 12,000On Order On Order Ship Dates Mfr. #: SZMMSZ5227BT1G Stock: 434 Can Ship Immediately On Order: 6,000 Expected 2027-04-09 6,000 Expected 2027-07-23 Factory Lead-Time: 52 Weeks	Cut Tape $0.576 $0.338 $0.239 $0.16 $0.148 Reel $0.105 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.6 V	SMD/SMT	SOD-123-2	500 mW	5 %	15 uA	24 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.9V SZMMSZ5228BT1G onsemi 1: $0.374 4,955In Stock 9,000Expected 2027-11-02	Mfr. Part # SZMMSZ5228BT1G Mouser Part # 863-SZMMSZ5228BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.9V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	4,955In Stock 9,000Expected 2027-11-02	Cut Tape $0.374 $0.166 $0.144 $0.105 Reel $0.076 View $0.068 $0.058 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.9 V	SMD/SMT	SOD-123-2	500 mW	5 %	10 uA	23 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 4.3V SZMMSZ5229BT1G onsemi 1: $0.49 11,996In Stock	Mfr. Part # SZMMSZ5229BT1G Mouser Part # 863-SZMMSZ5229BT1G	onsemi	Zener Diodes ZEN REG 0.5W 4.3V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	11,996In Stock	Cut Tape $0.49 $0.219 $0.19 $0.168 Reel $0.128 View $0.148 $0.109 $0.099 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4.3 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	22 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 5.1V SZMMSZ5231BT1G onsemi 1: $0.562 3,096In Stock 180,000On Order	Mfr. Part # SZMMSZ5231BT1G Mouser Part # 863-SZMMSZ5231BT1G	onsemi	Zener Diodes ZEN REG 0.5W 5.1V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	3,096In Stock 180,000On Order On Order Ship Dates Mfr. #: SZMMSZ5231BT1G Stock: 3,096 Can Ship Immediately On Order: 90,000 Expected 2027-11-17 90,000 Expected 2027-12-01 Factory Lead-Time: 52 Weeks	Cut Tape $0.562 $0.262 $0.229 $0.168 $0.148 Reel $0.109 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	5.1 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	17 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 6.8V SZMMSZ5235BT1G onsemi 1: $0.504 3,096In Stock 90,000Expected 2027-11-17	Mfr. Part # SZMMSZ5235BT1G Mouser Part # 863-SZMMSZ5235BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.8V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	3,096In Stock 90,000Expected 2027-11-17	Cut Tape $0.504 $0.294 $0.21 $0.144 $0.141 Reel $0.105 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6.8 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	5 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 7.5V SZMMSZ5236BT1G onsemi 1: $0.49 6,504In Stock	Mfr. Part # SZMMSZ5236BT1G Mouser Part # 863-SZMMSZ5236BT1G	onsemi	Zener Diodes ZEN REG 0.5W 7.5V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	6,504In Stock	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.135 $0.094 $0.091 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	7.5 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	6 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 8.2V SZMMSZ5237BT1G onsemi 1: $0.59 3,096In Stock 30,000Expected 2027-11-03	Mfr. Part # SZMMSZ5237BT1G Mouser Part # 863-SZMMSZ5237BT1G	onsemi	Zener Diodes ZEN REG 0.5W 8.2V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	3,096In Stock 30,000Expected 2027-11-03	Cut Tape $0.59 $0.262 $0.229 $0.168 $0.148 Reel $0.109 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	8.2 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	8 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 8.7V SZMMSZ5238BT1G onsemi 1: $0.49 6,068In Stock	Mfr. Part # SZMMSZ5238BT1G Mouser Part # 863-SZMMSZ5238BT1G	onsemi	Zener Diodes ZEN REG 0.5W 8.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	6,068In Stock	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.132 $0.094 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	8.7 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	8 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 9.1V SZMMSZ5239BT1G onsemi 1: $0.49 22,646In Stock	Mfr. Part # SZMMSZ5239BT1G Mouser Part # 863-SZMMSZ5239BT1G	onsemi	Zener Diodes ZEN REG 0.5W 9.1V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	22,646In Stock	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.094 $0.082 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	9.1 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	10 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 11V SZMMSZ5241BT1G onsemi 1: $0.49 1,724In Stock 6,000Expected 2027-10-22	Mfr. Part # SZMMSZ5241BT1G Mouser Part # 863-SZMMSZ5241BT1G	onsemi	Zener Diodes ZEN REG 0.5W 11V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,724In Stock 6,000Expected 2027-10-22	Cut Tape $0.49 $0.219 $0.19 $0.141 Reel $0.104 View $0.132 $0.094 $0.088 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	11 V	SMD/SMT	SOD-123-2	500 mW	5 %	2 uA	22 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52