# AD143 - STMicroelectronics Germanium PNP Transistor

## Product Summary

The STMicroelectronics AD143 is a Germanium PNP transistor in a TO3 case. It offers a maximum collector current of 10A and a power dissipation of 30W.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | AD143 |
| Manufacturer | STMicroelectronics |
| Product Type | Germanium PNP Transistor |
| Category | Uncategorized |
| Subcategory | Germanium PNP |
| Mounting Type | Through Hole |

## Description

The STMicroelectronics AD143 is a Germanium PNP transistor designed for various electronic applications. It features a maximum collector-base voltage (Vcb) of 40V and a maximum collector-emitter voltage (Vce) of 35V. The maximum continuous collector current (Ic max) is 10A, with a test condition of 1.0A. The device has a maximum power dissipation (Pd) of 30W and a power derating of 666mW/°C above 25°C.

This transistor operates within a maximum junction temperature of 100°C. Its minimum forward current transfer ratio (hFE) is 30, with a maximum of 170. The transition frequency (ft) is 450kHz. The AD143 is housed in a TO3 case and is designed for through-hole mounting.

Key electrical specifications include a maximum collector-base breakdown voltage (Vbr CBO) of 40V and a maximum collector-emitter breakdown voltage (Vbr CEO) of 40V. The maximum emitter-base voltage (Veb) is 10V. The collector cutoff current (Icbo) is a maximum of 100uA at Vcb max.

This component is classified under Transistors - FETs, MOSFETs - Arrays and is suitable for applications requiring a robust Germanium PNP transistor with significant current and power handling capabilities.

## Key Specifications

| Specification | Value |
| --- | --- |
| Mounting Type | Through Hole |
| Tape & Reel | False |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 198 |
| Price | $1.93 |
| Pricing Available | Yes |

## Estimated Pricing

| Quantity | Price Range |
| ---: | ---: |
| 1+ | $1.93 |

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

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Partservice | 198 |  |  |  |  |

## Features

- Germanium PNP transistor in TO3 case.
- Maximum collector current of 10A.
- Maximum power dissipation of 30W.
- Breakdown voltages up to 40V.
- Through-hole mounting design.

## Applications

- Suitable for high current amplification.
- Used in power switching circuits.
- Ideal for general purpose amplification.
- Component in audio amplifier stages.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/f2/49/4c/AD143.1.jpg
- Product Page: https://distyparts.com/product/ad143-2
- RFQ URL: https://distyparts.com/product/ad143-2#rfq

## FAQs

### What is the maximum collector current for the AD143 transistor?

The maximum collector current for the AD143 transistor is 10A.

### What is the maximum power dissipation of the AD143 transistor?

The maximum power dissipation of the AD143 transistor is 30W.

### What is the operating temperature range for the AD143 transistor?

The maximum operating junction temperature for the AD143 transistor is 100°C.

### What is the minimum hFE for the AD143 transistor?

The minimum forward current transfer ratio (hFE) for the AD143 transistor is 30.

### What type of package is the AD143 transistor in?

The AD143 transistor is in a TO3 case.

### Is the AD143 transistor surface mounted?

No, the AD143 transistor is not surface mounted; it is designed for through-hole mounting.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/stmicroelectronics
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/ad143-2
- Markdown File: https://distyparts.com/product/ad143-2.md
- TXT File: https://distyparts.com/product/ad143-2.txt