# Zener diode pack DO201 5W 12V, multiple units, through-hole DO‑201 package

**URL:** https://aio.lv/en/product--zener-diode-pack-do201-5w-12v-multiple-units-through-hole-do-201-package--10745826
**Data updated:** 2026-02-12 22:05 (EET)
**Category:** Other Repair Parts
**Manufacturer code:** EB1482204013#
**EAN:** 3100001434136
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1.31 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 1.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--zener-diode-pack-do201-5w-12v-multiple-units-through-hole-do-201-package--10745826

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.79 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

Pack of Zener diodes in DO201 (DO‑1/DO‑201) through‑hole package rated 5 W power dissipation and 12 V nominal Zener voltage. Suitable for voltage regulation, reference and protection circuits in electronics projects and repairs. Intended for PCB mounting; offers reliable clamping of voltage transients and stable voltage reference in low‑ to medium‑power applications.

## Long description

Pack of Zener diodes in a DO201 through-hole package with a nominal Zener voltage of 12 V and a rated power dissipation of 5 W. These diodes are designed for PCB mounting in low- to medium-power circuits where a stable voltage reference, transient clamping or simple voltage regulation is required. The DO201 (DO‑1/DO‑201) package provides robust mechanical support and good thermal coupling for applications that demand reliable operation under moderate power loads.
Advantages
The DO201 5 W Zener diodes offer a well-defined 12 V breakdown characteristic and consistent performance across multiple units in the pack. Their through-hole leads simplify installation on prototyping boards and PCBs, while the package’s thermal mass helps dissipate heat during continuous operation. The diodes are suitable for use as voltage clamps, reference elements and protection devices, delivering predictable behavior in a range of ambient conditions without complex external circuitry.
Suitable for
 Voltage regulation and reference circuits on printed circuit boards
 Transient voltage suppression and clamping for power lines
 Repair and replacement in consumer electronics and industrial equipment
 Prototyping and hobby electronics projects requiring a 12 V reference
Key specifications
 Package type: DO201 (through-hole axial)
 Nominal Zener voltage: 12 V
 Power dissipation: 5 W (rated)
 Mounting style: PCB through-hole
 Application class: voltage reference, clamping, protection
How to use
Mount the diode with correct polarity on the PCB: the cathode is typically marked on the body and should be connected according to the circuit’s reference orientation. Ensure adequate copper area or a heatsinking path on the PCB for thermal dissipation when operating near the rated 5 W power. For voltage regulation, operate the Zener diode in its breakdown region with an appropriate series resistor to limit current; for transient clamping, place the diode across the line to be protected so it conducts when voltage exceeds the Zener threshold. Verify the operating current and dissipation in your circuit calculations to avoid overheating.
Usage recommendations
Use a series resistor sized to maintain the diode’s current within its safe operating range during normal regulation. Provide thermal relief on the PCB or additional heatsinking if repeated or continuous dissipation approaches the 5 W rating. Avoid prolonged operation at maximum rated power without sufficient cooling and verify real-world voltage under expected temperature conditions for accurate reference use.

## FAQ

### How much does the Zener diode DO201 5W 12V pack cost, and is it available for purchase?

The price is 1.31 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 24.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10745826/59924420_large.webp