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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.

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Product Series & Base Models

164 model families directly associated with Zener Diodes. Browse the full catalog with search and filters.

Browse all 164
164 Base ModelsVishayPanjitROHMDiodes Incorporatedonsemi
Browse All Base Models

Browse Zener Diodes Products

Showing 231–240 of 4,132 products
PART NUMBERMANUFACTURERDESCRIPTIONSTOCKQTY / ACTION
SZMM5Z5V1ST1Gonsemi500 mW Tight Tolerance Zener Diode Voltage Regulator 5.1 V (Automotive), 3000-REEL106
SZMM5Z4V7T1Gonsemi500 mW Standard Tolerance Zener Diode Voltage Regulators 4.7 V (Automotive), SOD-523 2 LEAD, 3000-REEL324,000
SZMM5Z4V7ST1Gonsemi4.7V, 0.2W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, 0.047 X 0.032 INCH, 0.028 INCH HEIGHT, PLASTIC, CASE 502-01, 2 PIN324,000
SZMM5Z4V3T1Gonsemi500 mW Standard Tolerance Zener Diode Voltage Regulators 4.3 V (Automotive), SOD-523 2 LEAD, 3000-REEL324,000
SZMM5Z47VT5Gonsemi500 mW Standard Tolerance Zener Diode Voltage Regulators 47 V (Automotive), 8000-REEL432,000
SZMM5Z47VT1Gonsemi500 mW Standard Tolerance Zener Diode Voltage Regulators 47 V (Automotive), SOD-523 2 LEAD, 3000-REEL324,000
SZMM5Z4689T1GonsemiLow IZ Zener Diode, SOD523, 3000-REEL55
SZMM5Z43VT1GonsemiZEN SOD523 LOW IZ REG 0.5W 43V648,000
SZMM5Z3V9T1Gonsemi500 mW Standard Tolerance Zener Diode Voltage Regulators 3.9 V (Automotive), 3000-REEL84
SZMM5Z3V6T5Gonsemi500 mW Standard Tolerance Zener Diode Voltage Regulators 3.6 V (Automotive), 8000-REEL432,000

How to Choose Zener Diodes

A practical selection framework for Zener Diodes covering specifications, packaging, lifecycle, and sourcing on Octatronics.

  1. 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.

  2. 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.

  3. 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.

  4. 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.

About 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.