# Rectifying Diode THT 1.2kV 40A Ifsm 475A Ufmax 1.1V

**URL:** https://aio.lv/en/product--rectifying-diode-tht-12kv-40a-ifsm-475a-ufmax-11v--10745909
**Data updated:** 2026-07-06 17:38 (EEST)
**Category:** Other Repair Parts
**Manufacturer code:** EB1501440739#
**EAN:** 310000173361
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.94 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 4.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rectifying-diode-tht-12kv-40a-ifsm-475a-ufmax-11v--10745909

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

This THT rectifying diode is designed for high-power applications, featuring a maximum reverse voltage of 1.2kV and a forward current of 40A. With a surge current rating (Ifsm) of 475A and a maximum forward voltage drop of 1.1V, it provides reliable performance in power conversion and rectification circuits. The component is suitable for through-hole mounting in various industrial and electronic power systems.

## Long description

The Rectifying Diode THT 1.2kV 40A is a robust semiconductor component engineered for high-power rectification and power conversion applications. Designed for through-hole mounting, this diode offers a high reverse voltage capability of 1.2kV and a continuous forward current rating of 40A, making it an essential element for demanding industrial electronic systems. Its ability to handle significant surge currents up to 475A ensures durability and stability under transient load conditions, while the low forward voltage drop of 1.1V contributes to efficient power management.
Advantages
This rectifying diode provides exceptional reliability in high-voltage environments due to its high reverse breakdown voltage rating. The through-hole technology allows for secure mechanical mounting on printed circuit boards, ensuring excellent thermal dissipation and structural integrity in power-intensive circuits. By maintaining a low forward voltage drop, the component minimizes power losses during operation, which helps in reducing heat generation and improving the overall efficiency of the power supply unit. Its high surge current capacity provides a safety margin against unexpected electrical spikes, protecting the integrity of the circuit.
Suitable for
Power supply rectification circuits
Industrial motor control systems
Battery charging equipment
High-power inverter designs
General-purpose power conversion tasks
When it may not be suitable
This component is not intended for high-frequency switching applications where fast recovery times are required, as it is a standard rectifying diode. It is also not suitable for surface-mount technology (SMT) assembly processes due to its through-hole design.
Key specifications
Maximum reverse voltage: 1.2kV
Maximum forward current: 40A
Surge current rating (Ifsm): 475A
Maximum forward voltage drop: 1.1V
Mounting type: Through-hole (THT)
How to use
The diode should be installed on a printed circuit board using through-hole soldering techniques. Ensure that the polarity is correctly identified, with the cathode and anode leads oriented according to the circuit schematic. Due to the high current rating, it is recommended to use appropriate trace widths on the PCB to handle the 40A current load and to provide adequate heat sinking if the diode is expected to operate near its maximum thermal limits.
What to consider before purchase
Verify the voltage and current requirements of your specific circuit design.
Ensure the PCB layout supports through-hole component mounting.
Assess the thermal management requirements for high-current operation.
Confirm that the application does not require fast-recovery diode characteristics.
Usage recommendations
Always ensure that the diode is operated within its specified thermal limits. Proper heat dissipation is critical when the component is subjected to continuous high-current loads to prevent premature failure and ensure long-term operational stability.

## FAQ

### How much does the Rectifying Diode EB1501440739# 1.2kV 40A cost, and is it available for purchase?

The price is 4.94 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 15.07.2026 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/10745909/59925074_large.webp