Zener Diodes – Mouser Singapore

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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 (SGD) 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: $0.462 97,086In Stock	Mfr. Part No. SZMMSZ5230BT1G Mouser Part No 863-SZMMSZ5230BT1G	onsemi	Zener Diodes ZEN REG 0.5W 4.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	97,086In Stock	Cut Tape $0.462 $0.207 $0.18 $0.133 Reel $0.098 View $0.088 $0.068 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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: $0.408 172,986In Stock	Mfr. Part No. SZMMSZ5233BT1G Mouser Part No 863-SZMMSZ5233BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.0V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	172,986In Stock	Cut Tape $0.408 $0.207 $0.18 $0.133 Reel $0.091 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 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: $0.367 54,562In Stock	Mfr. Part No. SZMMSZ5244BT1G Mouser Part No 863-SZMMSZ5244BT1G	onsemi	Zener Diodes ZEN REG 0.5W 14V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	54,562In Stock	Cut Tape $0.367 $0.207 $0.165 $0.117 Reel $0.09 View $0.11 $0.082 $0.078 $0.068 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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 20V SZMMSZ5250BT1G onsemi 1: $0.585 55,830In Stock	Mfr. Part No. SZMMSZ5250BT1G Mouser Part No 863-SZMMSZ5250BT1G	onsemi	Zener Diodes ZEN REG 0.5W 20V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	55,830In Stock	Cut Tape $0.585 $0.40 $0.253 $0.159 $0.14 Reel $0.122 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 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 6.2V SZMMSZ5234BT1G onsemi 1: $0.367 47,244In Stock	Mfr. Part No. SZMMSZ5234BT1G Mouser Part No 863-SZMMSZ5234BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.2V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	47,244In Stock	Cut Tape $0.367 $0.207 $0.16 $0.114 Reel $0.09 View $0.106 $0.079 $0.076 $0.063 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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: $0.585 1,089In Stock 30,000Expected 9/11/2026	Mfr. Part No. SZMMSZ5252BT1G Mouser Part No 863-SZMMSZ5252BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,089In Stock 30,000Expected 9/11/2026	Cut Tape $0.585 $0.40 $0.253 $0.159 $0.14 Reel $0.122 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 ZEN REG 0.5W 2.5V SZMMSZ5222BT1G onsemi 1: $0.462 25,822In Stock 9,000Expected 9/4/2027	Mfr. Part No. SZMMSZ5222BT1G Mouser Part No 863-SZMMSZ5222BT1G	onsemi	Zener Diodes ZEN REG 0.5W 2.5V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	25,822In Stock 9,000Expected 9/4/2027	Cut Tape $0.462 $0.207 $0.18 $0.133 Reel $0.094 View $0.082 $0.075 $0.068 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 ZENER REGULATOR SZMMSZ5221BT1G onsemi 1: $0.462 21,115In Stock	Mfr. Part No. SZMMSZ5221BT1G Mouser Part No 863-SZMMSZ5221BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	21,115In Stock	Cut Tape $0.462 $0.207 $0.162 $0.116 Reel $0.09 View $0.109 $0.082 $0.078 $0.068 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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: $0.435 4,836In Stock New Product	Mfr. Part No. SZMMSZ5248CT1G Mouser Part No 863-SZMMSZ5248CT1G New Product	onsemi	Zener Diodes Zener Diode 500 mW SOD-123 Learn More about onsemi szmmsz52xt1g regulators	Datasheet	4,836In Stock	Cut Tape $0.435 $0.193 $0.169 Reel $0.169	Min.: 1 Mult.: 1 Max.: 300 : 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: $0.53 5,360In Stock New Product	Mfr. Part No. SZMMSZ5258CT1G Mouser Part No 863-SZMMSZ5258CT1G New Product	onsemi	Zener Diodes Zener Diode 500 mW SOD-123 Learn More about onsemi szmmsz52xt1g regulators	Datasheet	5,360In Stock	Cut Tape $0.53 $0.233 $0.203 Reel $0.203	Min.: 1 Mult.: 1 Max.: 300 : 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: $0.558 44,126In Stock	Mfr. Part No. SZMMSZ5240BT1G Mouser Part No 863-SZMMSZ5240BT1G	onsemi	Zener Diodes ZEN REG 0.5W 10V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	44,126In Stock	Cut Tape $0.558 $0.248 $0.216 $0.159 Reel $0.121 View $0.14 $0.103 $0.094 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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: $0.544 35,757In Stock	Mfr. Part No. SZMMSZ5245BT1G Mouser Part No 863-SZMMSZ5245BT1G	onsemi	Zener Diodes ZEN REG 0.5W 15V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	35,757In Stock	Cut Tape $0.544 $0.32 $0.226 $0.151 $0.141 Reel $0.105 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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 18V SZMMSZ5248BT1G onsemi 1: $0.462 37,503In Stock	Mfr. Part No. SZMMSZ5248BT1G Mouser Part No 863-SZMMSZ5248BT1G	onsemi	Zener Diodes ZEN REG 0.5W 18V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	37,503In Stock	Cut Tape $0.462 $0.207 $0.18 $0.133 Reel $0.098 View $0.088 $0.078 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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 2.7V SZMMSZ5223BT1G onsemi 1: $0.367 15,981In Stock	Mfr. Part No. SZMMSZ5223BT1G Mouser Part No 863-SZMMSZ5223BT1G	onsemi	Zener Diodes ZEN REG 0.5W 2.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	15,981In Stock	Cut Tape $0.367 $0.162 $0.141 $0.103 $0.099 Reel $0.075 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 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: $0.53 585In Stock 6,000Expected 16/7/2027	Mfr. Part No. SZMMSZ5225BT1G Mouser Part No 863-SZMMSZ5225BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.0V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	585In Stock 6,000Expected 16/7/2027	Cut Tape $0.53 $0.314 $0.22 $0.148 $0.137 Reel $0.088 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: $0.462 10,614In Stock 9,000Expected 19/10/2027	Mfr. Part No. SZMMSZ5226BT1G Mouser Part No 863-SZMMSZ5226BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.3V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	10,614In Stock 9,000Expected 19/10/2027	Cut Tape $0.462 $0.207 $0.18 $0.133 $0.124 Reel $0.098 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 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: $0.53 434In Stock 12,000On Order	Mfr. Part No. SZMMSZ5227BT1G Mouser Part No 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. No: SZMMSZ5227BT1G Stock: 434 Can Dispatch Immediately On Order: 6,000 Expected 9/4/2027 6,000 Expected 23/7/2027 Factory Lead Time: 52 Weeks	Cut Tape $0.53 $0.314 $0.22 $0.148 $0.137 Reel $0.099 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: $0.354 4,981In Stock	Mfr. Part No. SZMMSZ5228BT1G Mouser Part No 863-SZMMSZ5228BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.9V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	4,981In Stock	Cut Tape $0.354 $0.156 $0.136 $0.099 Reel $0.072 View $0.064 $0.054 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: $0.462 11,996In Stock	Mfr. Part No. SZMMSZ5229BT1G Mouser Part No 863-SZMMSZ5229BT1G	onsemi	Zener Diodes ZEN REG 0.5W 4.3V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	11,996In Stock	Cut Tape $0.462 $0.207 $0.18 $0.159 Reel $0.121 View $0.14 $0.103 $0.094 $0.068 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: $0.462 3,096In Stock 180,000On Order	Mfr. Part No. SZMMSZ5231BT1G Mouser Part No 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. No: SZMMSZ5231BT1G Stock: 3,096 Can Dispatch Immediately On Order: 90,000 Expected 17/11/2027 90,000 Expected 1/12/2027 Factory Lead Time: 52 Weeks	Cut Tape $0.462 $0.248 $0.216 $0.159 $0.14 Reel $0.103 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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: $0.571 3,096In Stock 90,000Expected 17/11/2027	Mfr. Part No. SZMMSZ5235BT1G Mouser Part No 863-SZMMSZ5235BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.8V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	3,096In Stock 90,000Expected 17/11/2027	Cut Tape $0.571 $0.398 $0.252 $0.158 Reel $0.121 View $0.139 $0.103 $0.092 $0.068 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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: $0.462 6,626In Stock	Mfr. Part No. SZMMSZ5236BT1G Mouser Part No 863-SZMMSZ5236BT1G	onsemi	Zener Diodes ZEN REG 0.5W 7.5V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	6,626In Stock	Cut Tape $0.462 $0.207 $0.18 $0.133 Reel $0.098 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 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: $0.558 33,457In Stock 30,000Expected 3/11/2027	Mfr. Part No. SZMMSZ5237BT1G Mouser Part No 863-SZMMSZ5237BT1G	onsemi	Zener Diodes ZEN REG 0.5W 8.2V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	33,457In Stock 30,000Expected 3/11/2027	Cut Tape $0.558 $0.248 $0.216 $0.159 $0.14 Reel $0.103 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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: $0.462 6,069In Stock	Mfr. Part No. SZMMSZ5238BT1G Mouser Part No 863-SZMMSZ5238BT1G	onsemi	Zener Diodes ZEN REG 0.5W 8.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	6,069In Stock	Cut Tape $0.462 $0.207 $0.18 $0.133 Reel $0.098 View $0.125 $0.088 $0.068 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: $0.503 9,454In Stock 15,000Expected 27/10/2026	Mfr. Part No. SZMMSZ5239BT1G Mouser Part No 863-SZMMSZ5239BT1G	onsemi	Zener Diodes ZEN REG 0.5W 9.1V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	9,454In Stock 15,000Expected 27/10/2026	Cut Tape $0.503 $0.219 $0.19 $0.141 Reel $0.103 View $0.092 $0.079 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 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