Zener Diodes
Zener diodes are designed to operate in reverse breakdown, providing precise voltage regulation and reference functions in power supplies, signal clamping circuits, and protection networks. Octatronics indexes Zener diodes from Nexperia, Vishay, Diodes Incorporated, and onsemi with parametric filtering by Zener voltage (VZ), power rating, tolerance, package, and temperature coefficient.
Product Series & Base Models
164 model families directly associated with Zener Diodes. Browse the full catalog with search and filters.
Browse Zener Diodes Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| MMSZ5229BT1G | onsemi | Zener Diode 4.3V 500mW SOD-123 SMD/SMT 5% | 891 | |
| MMSZ5228BT1G | onsemi | Zener Diode 500 mW SOD-123, SOD-123 2 LEAD, 3000-REEL | 3,760 | |
| MMSZ5227BT1G | onsemi | 3.6V Zener Diode 500mW SOD-123 5% | 6,002 | |
| MMSZ5226BT1G | onsemi | Zener Diode Single 3.3V 5% 28Ohm 500mW 2-Pin SOD-123 T/R | 34,094 | |
| MMSZ5225BT1G | onsemi | 3V Zener Diode 500mW SOD-123 SMD/SMT 5% | 7,078 | |
| MMSZ5223BT1G | onsemi | Zener Diode 2.7V 500mW SOD-123 5% | 730 | |
| MMSZ5222BT1G | onsemi | Zener Diode 500 mW SOD-123, SOD-123 2 LEAD, 3000-REEL | 1,795 | |
| MMSZ5221BT1G | onsemi | 2.4V Zener Diode 500mW SOD-123 Tape & Reel | 12,468 | |
| MMSZ51T1G | onsemi | 500 mW; 5% Zener Diode Voltage Regulator 51 V, SOD-123 2 LEAD, 3000-REEL | 1,080,000 | |
| MMSZ4V7T1G | onsemi | 4.7V 5% Zener Diode 500mW SOD-123 | 6,870 |
How to Choose Zener Diodes
A practical selection framework for Zener Diodes covering specifications, packaging, lifecycle, and sourcing on Octatronics.
Define electrical and environmental requirements
Start with the required function and operating conditions for Zener Diodes, then lock in critical parameters such as breakover voltage, on-state current, gate trigger current, holding current, and dv/dt capability. Match these against datasheet limits, not catalog summaries alone.
Validate package and land pattern compatibility
Confirm the Zener Diodes package matches your PCB footprint, pick-and-place constraints, and moisture sensitivity handling. Verify reel/tape or tube packaging for production.
Check lifecycle, compliance, and alternates
Review lifecycle status (Active, NRND, EOL), RoHS, and approved alternate sources for Zener Diodes before committing to high-volume builds. Use Octatronics cross-reference data when a drop-in replacement is needed.
Compare manufacturers and request pricing
Filter Zener Diodes by manufacturers such as onsemi and ROHM, compare key specs side by side, then submit an RFQ with quantity, target delivery, and traceability requirements.
Related Selection Resources
Top Zener Diodes Manufacturers
onsemi
onsemi Zener Diodes products are available for part-number review, stock checks, and RFQ support.
28,226 productsROHM
ROHM Zener Diodes products are available for part-number review, stock checks, and RFQ support.
3,980 productsVishay
Vishay Zener Diodes products are available for part-number review, stock checks, and RFQ support.
9,347 products
Nexperia
Nexperia Zener Diodes products are available for part-number review, stock checks, and RFQ support.
3,317 productsPanjit
Panjit Zener Diodes products are available for part-number review, stock checks, and RFQ support.
687 products
NXP Semiconductors
NXP Semiconductors Zener Diodes products are available for part-number review, stock checks, and RFQ support.
20,288 products
Microchip Technology
Microchip Technology Zener Diodes products are available for part-number review, stock checks, and RFQ support.
67,462 products
Diodes Incorporated
Diodes Incorporated Zener Diodes products are available for part-number review, stock checks, and RFQ support.
16,703 products
STMicroelectronics
STMicroelectronics Zener Diodes products are available for part-number review, stock checks, and RFQ support.
19,050 productsAbout Zener Diodes
Frequently Asked Questions
Octatronics can help source a wide range of Zener Diodes from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.