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 |
|---|---|---|---|---|
| BZT55C4V7-GS08 | Vishay | Diode Zener Single 4.7V 6% 500mW Automotive 2-Pin Quadro MELF SOD-80 T/R | 2,821 | |
| BZT55C43-GS08 | Vishay | Zener Diodes 43 Volt 0.5W 5% | 12,500 | |
| BZT55C3V9-GS08 | Vishay | Zener Diodes 3.9 Volt 0.5W 5% | 7,500 | |
| BZT55C3V3-GS08 | Vishay | Diode Zener Single 3.3V 6% 500mW Automotive 2-Pin Quadro MELF SOD-80 T/R | 14,140 | |
| BZT55C33-GS08 | Vishay | Zener Diodes 33 Volt 0.5W 5% | 25,000 | |
| BZT55C27-GS08 | Vishay | Zener Diodes 27 Volt 0.5W 5% | 12,500 | |
| BZT55C20-GS08 | Vishay | Zener Diodes 20 Volt 0.5W 5% | 35,000 | |
| BZT55C18-GS08 | Vishay | BZT55C18-GS08 Zener Diode, 18V 6% 0.5 W SMT 2-Pin SOD-80 | Siliconix / Vishay BZT55C18-GS08 | 122,500 | |
| BZT55C15-GS08 | Vishay | BZT55 Series 15 V 500 mW SMT Small Signal Zener Diode - QuadroMELF SOD-80 | 2,500 | |
| BZT55C12-GS08 | Vishay | Diode Zener Single 12V 5% 500mW 2-Pin Quadro MELF SOD-80 T/R | 200 |
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
Zener Diodes are two-terminal silicon active components designed to operate in reverse breakdown voltage regions, providing a highly stable reference voltage or voltage clamping threshold. Unlike standard diodes that burn out under reverse breakdown, Zener diodes are engineered to conduct reverse current safely once the voltage exceeds a precise threshold (Zener Voltage, VZ), making them ideal for simple voltage regulation, bias networks, and signal level clamping.
Key selection parameters include Zener voltage (VZ, ranging from 1.8V to hundreds of volts), power dissipation rating (typically 150mW to 5W), tolerance (typically 2% or 5%), dynamic impedance, temperature coefficient, and package type (surface-mount SOD-123/SOD-323, or through-hole axial). Low-current Zener diodes are highly valued in battery-powered instrumentation.
On Octatronics, find a comprehensive inventory of Zener diodes from leading semiconductor brands including Nexperia, Vishay, Diodes Incorporated, and onsemi. Compare specifications, check inventory levels, and submit bulk RFQs online easily.
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.
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