# BUF420AI - STMicroelectronics BJT Transistor

## Product Summary

The BUF420AI is an NPN BJT transistor from STMicroelectronics with a collector-emitter voltage of 450V and a collector current of 30A. It is supplied in a TO-3P package.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | BUF420AI |
| Manufacturer | STMicroelectronics |
| Product Type | BJT Transistor |
| Category | Uncategorized |
| Subcategory | BJT |
| Mounting Type | Through Hole |

## Description

The BUF420AI is a high-performance NPN Bipolar Junction Transistor (BJT) manufactured by STMicroelectronics. This component is designed for demanding applications requiring robust performance, featuring a high collector-emitter voltage rating of 450V and a significant collector current capability of 30A.

The transistor is housed in a TO-3P package, which is suitable for through-hole mounting and provides adequate thermal dissipation for its power handling capabilities. Its specifications make it a suitable choice for power switching and amplification circuits where reliability and performance are critical.

Key electrical parameters include a 450V breakdown voltage and a 30A continuous collector current. These characteristics allow the BUF420AI to be used in various power supply designs, motor control applications, and other high-power switching circuits. The TO-3P package facilitates easy integration into existing board designs and provides a secure mechanical connection.

Environmental compliance data indicates RoHS3 compliance and an MSL of 1, suggesting it is suitable for a wide range of manufacturing environments. The REACH status is unaffected, further simplifying its use in global supply chains.

## Key Specifications

| Specification | Value |
| --- | --- |
| Mounting Type | Through Hole |
| SVHC Present | Not Present |
| Tape & Reel | Tape & Reel |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 3 |
| Price | $0.98 |
| Pricing Available | Yes |

## Estimated Pricing

| Quantity | Price Range |
| ---: | ---: |
| 1+ | $0.98 |

Estimated pricing is for guidance only and is not a live distributor offer.

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Chanetech | 3 |  |  |  |  |

## Features

- NPN BJT transistor by STMicroelectronics.
- High collector-emitter voltage of 450V.
- Continuous collector current of 30A.
- Packaged in a TO-3P through-hole package.
- RoHS3 compliant with MSL 1 rating.

## Applications

- Suitable for power supply circuits.
- Used in motor control applications.
- Applicable for high-power switching.
- Ideal for amplification circuits.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |
| SVHC Present | Not Present |

## Documents and Media

- Product Page: https://distyparts.com/product/buf420ai
- RFQ URL: https://distyparts.com/product/buf420ai#rfq

## FAQs

### What is the collector-emitter voltage of the BUF420AI transistor?

The collector-emitter voltage (V(BR)CEO) of the BUF420AI is 450V.

### What is the continuous collector current for the BUF420AI?

The continuous collector current (I(C)) for the BUF420AI is 30A.

### What package type is the BUF420AI transistor supplied in?

The BUF420AI transistor is supplied in a TO-3P package.

### Is the BUF420AI RoHS compliant?

The BUF420AI is RoHS3 Compliant.

### What is the Moisture Sensitivity Level (MSL) for the BUF420AI?

The Moisture Sensitivity Level (MSL) for the BUF420AI is 1.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/stmicroelectronics
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/buf420ai
- Markdown File: https://distyparts.com/product/buf420ai.md
- TXT File: https://distyparts.com/product/buf420ai.txt