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BZX58550 Low-Current Voltage Regulator Diodes

Nexperia BZX58550 Low-Current Voltage Regulator Diodes feature ±5% series tolerance, ≤300mW total power dissipation, and are available in SOD523 (SC-79) SMD plastic package. These diodes operate at 1.8V to 75V operating voltage range, 0.9V forward voltage (V_F), 200mA forward current (I_F), and 40W non-repetitive peak reverse power dissipation (P_ZSM). The BZX58550 diodes are used in low-current general regulation functions.

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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	Packaging	Series
Zener Diodes BZX58550-C22/SOD523/SC-79 BZX58550-C22X Nexperia 1: $0.634 1,740In Stock	Mfr. Part # BZX58550-C22X Mouser Part # 771-BZX58550-C22X	Nexperia	Zener Diodes BZX58550-C22/SOD523/SC-79	Datasheet	1,740In Stock	Cut Tape $0.634 $0.38 $0.239 $0.181 Reel $0.115 View $0.145 $0.108 $0.099 $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	22 V	SMD/SMT	SOD-523-2	300 mW	5 %	50 nA	55 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C10/SOD523/SC-79 BZX58550-C10X Nexperia 1: $0.547 195In Stock 6,000On Order	Mfr. Part # BZX58550-C10X Mouser Part # 771-BZX58550-C10X	Nexperia	Zener Diodes BZX58550-C10/SOD523/SC-79	Datasheet	195In Stock 6,000On Order On Order Ship Dates Mfr. #: BZX58550-C10X Stock: 195 Can Ship Immediately On Order: 3,000 Expected 2027-09-13 3,000 Expected 2027-10-25 Factory Lead-Time: 55 Weeks	Cut Tape $0.547 $0.376 $0.239 $0.154 $0.131 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	10 V	SMD/SMT	SOD-523-2	300 mW	5 %	100 nA	20 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C3V3/SOD523/SC-79 BZX58550-C3V3X Nexperia 1: $0.547 1,192In Stock 6,000Expected 2026-11-09	Mfr. Part # BZX58550-C3V3X Mouser Part # 771-BZX58550-C3V3X	Nexperia	Zener Diodes BZX58550-C3V3/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	1,192In Stock 6,000Expected 2026-11-09	Cut Tape $0.547 $0.376 $0.239 $0.15 Reel $0.094 View $0.135 $0.079 $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.3 V	SMD/SMT	SOD-523-2	300 mW	5 %	7.5 uA	100 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C5V6/SOD523/SC-79 BZX58550-C5V6X Nexperia 1: $0.547 3,000In Stock 3,000Expected 2027-05-17	Mfr. Part # BZX58550-C5V6X Mouser Part # 771-BZX58550-C5V6X	Nexperia	Zener Diodes BZX58550-C5V6/SOD523/SC-79	Datasheet	3,000In Stock 3,000Expected 2027-05-17	Cut Tape $0.547 $0.376 $0.239 $0.15 Reel $0.115 View $0.135 $0.094 $0.079 $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	5.6 V	SMD/SMT	SOD-523-2	300 mW	5 %	2 uA	40 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C4V3/SOD523/SC-79 BZX58550-C4V3X Nexperia 1: $0.461 22,428In Stock	Mfr. Part # BZX58550-C4V3X Mouser Part # 771-BZX58550-C4V3X	Nexperia	Zener Diodes BZX58550-C4V3/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	22,428In Stock	Cut Tape $0.461 $0.20 $0.174 $0.13 Reel $0.094 View $0.079 $0.071 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4.3 V	SMD/SMT	SOD-523-2	300 mW	5 %	4 uA	95 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C2V0/SOD523/SC-79 BZX58550-C2V0X Nexperia 1: $0.533 5,613In Stock	Mfr. Part # BZX58550-C2V0X Mouser Part # 771-BZX58550-C2V0X	Nexperia	Zener Diodes BZX58550-C2V0/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	5,613In Stock	Cut Tape $0.533 $0.374 $0.238 $0.148 Reel $0.114 View $0.13 $0.096 $0.086 $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2 V	SMD/SMT	SOD-523-2	300 mW	5 %	7 uA	100 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C2V2/SOD523/SC-79 BZX58550-C2V2X Nexperia 1: $0.461 8,623In Stock	Mfr. Part # BZX58550-C2V2X Mouser Part # 771-BZX58550-C2V2X	Nexperia	Zener Diodes BZX58550-C2V2/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	8,623In Stock	Cut Tape $0.461 $0.20 $0.174 $0.13 Reel $0.115 View $0.099 $0.079 $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2.2 V	SMD/SMT	SOD-523-2	300 mW	5 %	4 uA	100 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C2V7/SOD523/SC-79 BZX58550-C2V7X Nexperia 1: $0.461 7,833In Stock	Mfr. Part # BZX58550-C2V7X Mouser Part # 771-BZX58550-C2V7X	Nexperia	Zener Diodes BZX58550-C2V7/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	7,833In Stock	Cut Tape $0.461 $0.20 $0.174 $0.13 Reel $0.094 View $0.079 $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2.7 V	SMD/SMT	SOD-523-2	300 mW	5 %	1 uA	100 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C30/SOD523/SC-79 BZX58550-C30X Nexperia 1: $0.547 1,397In Stock	Mfr. Part # BZX58550-C30X Mouser Part # 771-BZX58550-C30X	Nexperia	Zener Diodes BZX58550-C30/SOD523/SC-79	Datasheet	1,397In Stock	Cut Tape $0.547 $0.376 $0.239 $0.15 Reel $0.105 View $0.131 $0.098 $0.072 $0.066 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	30 V	SMD/SMT	SOD-523-2	300 mW	5 %	50 nA	80 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C3V6/SOD523/SC-79 BZX58550-C3V6X Nexperia 1: $0.547 332In Stock 3,000Expected 2027-09-13	Mfr. Part # BZX58550-C3V6X Mouser Part # 771-BZX58550-C3V6X	Nexperia	Zener Diodes BZX58550-C3V6/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	332In Stock 3,000Expected 2027-09-13	Cut Tape $0.547 $0.376 $0.239 $0.15 $0.131 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.6 V	SMD/SMT	SOD-523-2	300 mW	5 %	7.5 uA	95 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C3V9/SOD523/SC-79 BZX58550-C3V9X Nexperia 1: $0.547 208In Stock 3,000Expected 2027-10-08	Mfr. Part # BZX58550-C3V9X Mouser Part # 771-BZX58550-C3V9X	Nexperia	Zener Diodes BZX58550-C3V9/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	208In Stock 3,000Expected 2027-10-08	Cut Tape $0.547 $0.376 $0.239 $0.15 $0.131 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.9 V	SMD/SMT	SOD-523-2	300 mW	5 %	5 uA	95 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C5V1/SOD523/SC-79 BZX58550-C5V1X Nexperia 1: $0.533 24,975In Stock	Mfr. Part # BZX58550-C5V1X Mouser Part # 771-BZX58550-C5V1X	Nexperia	Zener Diodes BZX58550-C5V1/SOD523/SC-79	Datasheet	24,975In Stock	Cut Tape $0.533 $0.374 $0.238 $0.148 Reel $0.114 View $0.13 $0.096 $0.086 $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	5.1 V	SMD/SMT	SOD-523-2	300 mW	5 %	5 uA	60 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C6V2/SOD523/SC-79 BZX58550-C6V2X Nexperia 1: $0.547 104In Stock 6,000Expected 2027-10-22	Mfr. Part # BZX58550-C6V2X Mouser Part # 771-BZX58550-C6V2X	Nexperia	Zener Diodes BZX58550-C6V2/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	104In Stock 6,000Expected 2027-10-22	Cut Tape $0.547 $0.376 $0.239 $0.173 $0.151 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6.2 V	SMD/SMT	SOD-523-2	300 mW	5 %	1 uA	10 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C6V8/SOD523/SC-79 BZX58550-C6V8X Nexperia 1: $0.547 672In Stock 6,000Expected 2027-10-08	Mfr. Part # BZX58550-C6V8X Mouser Part # 771-BZX58550-C6V8X	Nexperia	Zener Diodes BZX58550-C6V8/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	672In Stock 6,000Expected 2027-10-08	Cut Tape $0.547 $0.376 $0.239 $0.173 $0.151 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	6.8 V	SMD/SMT	SOD-523-2	300 mW	5 %	100 nA	15 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C9V1/SOD523/SC-79 BZX58550-C9V1X Nexperia 1: $0.461 11,307In Stock	Mfr. Part # BZX58550-C9V1X Mouser Part # 771-BZX58550-C9V1X	Nexperia	Zener Diodes BZX58550-C9V1/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	11,307In Stock	Cut Tape $0.461 $0.20 $0.174 $0.13 Reel $0.114 View $0.096 $0.088 $0.072 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	9.1 V	SMD/SMT	SOD-523-2	300 mW	5 %	100 nA	15 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C8V2/SOD523/SC-79 BZX58550-C8V2X Nexperia 1: $0.662 12In Stock 3,000Expected 2027-09-24	Mfr. Part # BZX58550-C8V2X Mouser Part # 771-BZX58550-C8V2X	Nexperia	Zener Diodes BZX58550-C8V2/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	12In Stock 3,000Expected 2027-09-24	Cut Tape $0.662 $0.376 $0.239 $0.167 $0.151 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	8.2 V	SMD/SMT	SOD-523-2	300 mW	5 %	100 nA	15 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C15/SOD523/SC-79 BZX58550-C15X Nexperia 1: $0.547 5,982On Order	Mfr. Part # BZX58550-C15X Mouser Part # 771-BZX58550-C15X	Nexperia	Zener Diodes BZX58550-C15/SOD523/SC-79	Datasheet	5,982On Order On Order Ship Dates Mfr. #: BZX58550-C15X Stock: 0 On Order: 2,982 Expected 2027-07-26 3,000 Expected 2027-08-16 Factory Lead-Time: 53 Weeks	Cut Tape $0.547 $0.376 $0.239 $0.15 $0.131 Reel $0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	15 V	SMD/SMT	SOD-523-2	300 mW	5 %	50 nA	30 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C1V8/SOD523/SC-79 BZX58550-C1V8X Nexperia 1: $0.547 5,990On Order	Mfr. Part # BZX58550-C1V8X Mouser Part # 771-BZX58550-C1V8X	Nexperia	Zener Diodes BZX58550-C1V8/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	5,990On Order On Order Ship Dates Mfr. #: BZX58550-C1V8X Stock: 0 On Order: 2,990 Expected 2026-11-19 3,000 Expected 2027-05-17 Factory Lead-Time: 53 Weeks	Cut Tape $0.547 $0.376 $0.239 $0.15 $0.131 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1.8 V	SMD/SMT	SOD-523-2	300 mW	5 %	7.5 uA	100 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C2V4/SOD523/SC-79 BZX58550-C2V4X Nexperia 1: $0.49 1,433Expected 2027-09-24	Mfr. Part # BZX58550-C2V4X Mouser Part # 771-BZX58550-C2V4X	Nexperia	Zener Diodes BZX58550-C2V4/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	1,433Expected 2027-09-24	Cut Tape $0.49 $0.213 $0.16 $0.15 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2.4 V	SMD/SMT	SOD-523-2	300 mW	5 %	2 uA	100 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C3V0/SOD523/SC-79 BZX58550-C3V0X Nexperia 1: $0.547 6,000On Order	Mfr. Part # BZX58550-C3V0X Mouser Part # 771-BZX58550-C3V0X	Nexperia	Zener Diodes BZX58550-C3V0/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	6,000On Order On Order Ship Dates Mfr. #: BZX58550-C3V0X Stock: 0 On Order: 3,000 Expected 2027-09-27 3,000 Expected 2027-10-22 Factory Lead-Time: 53 Weeks	Cut Tape $0.547 $0.376 $0.239 $0.173 $0.151 Reel $0.115 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3 V	SMD/SMT	SOD-523-2	300 mW	5 %	800 nA	100 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C4V7/SOD523/SC-79 BZX58550-C4V7X Nexperia 1: $0.49 777Expected 2027-10-22	Mfr. Part # BZX58550-C4V7X Mouser Part # 771-BZX58550-C4V7X	Nexperia	Zener Diodes BZX58550-C4V7/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	777Expected 2027-10-22	Cut Tape $0.49 $0.213 $0.186 $0.137 Reel $0.094 View $0.131 $0.079 $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4.7 V	SMD/SMT	SOD-523-2	300 mW	5 %	5 uA	80 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550
Zener Diodes BZX58550-C7V5/SOD523/SC-79 BZX58550-C7V5X Nexperia 1: $0.49 6,000On Order	Mfr. Part # BZX58550-C7V5X Mouser Part # 771-BZX58550-C7V5X	Nexperia	Zener Diodes BZX58550-C7V5/SOD523/SC-79 Learn More about Nexperia bzx58550 voltage regulator diodes	Datasheet	6,000On Order On Order Ship Dates Mfr. #: BZX58550-C7V5X Stock: 0 On Order: 3,000 Expected 2027-06-14 3,000 Expected 2027-10-22 Factory Lead-Time: 53 Weeks	Cut Tape $0.49 $0.213 $0.186 $0.137 $0.131 Reel $0.099 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	7.5 V	SMD/SMT	SOD-523-2	300 mW	5 %	100 nA	15 Ohms	- 55 C	+ 150 C	Single	50 uA	Reel, Cut Tape, MouseReel	BZX58550