# BSX45 - Motorola Semicondutor NPN Transistor

## Product Summary

The BSX45 is a silicon NPN epitaxial transistor from Motorola Semiconductor, designed for general purpose amplifier and switching applications. It features a TO-39 package and operates with a 40V Collector-Emitter Voltage.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | BSX45 |
| Manufacturer | Motorola Semicondutor |
| Product Type | NPN Transistor |
| Series | BSX45 Series |
| Category | Uncategorized |
| Subcategory | NPN |
| Mounting Type | Through Hole |

## Description

The BSX45 series devices are silicon NPN epitaxial transistors manufactured by Motorola Semiconductor, intended for general-purpose amplifier and switching applications. These transistors are housed in a TO-39 case.

Key electrical characteristics include a maximum Collector-Emitter Voltage (VCEO) of 40V and a Continuous Collector Current (IC) of 1.0A. The device exhibits a typical transition frequency (fT) of 50MHz at 10V and 50mA. Saturation voltages are specified, with VCE(SAT) at 1.0V maximum for IC=1.0A and IB=100mA.

Thermal specifications include a maximum power dissipation of 6.25W at 25°C case temperature and 0.8W at 25°C ambient temperature. The operating and storage junction temperature range is -65°C to +200°C. Thermal resistance is 28°C/W for junction-to-case and 219°C/W for junction-to-ambient.

This transistor is suitable for various electronic designs requiring amplification or switching capabilities. Its TO-39 package is designed for through-hole mounting.

## Key Specifications

| Specification | Value |
| --- | --- |
| Mounting Type | Through Hole |
| Noise Figure | 3.5 dB |
| Storage Temperature | °C ~ °C |
| Tape & Reel | No |
| Thermal Resistance | 219 °C/W |
| Turn Off Time | 850 ns |
| Turn On Time | 200 ns |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 9 |
| 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 | 9 |  |  |  |  |

## Features

- Silicon NPN epitaxial transistor.
- Designed for amplifier and switching applications.
- 40V Collector-Emitter Voltage (VCEO).
- 1.0A Continuous Collector Current (IC).
- TO-39 package for through-hole mounting.

## Applications

- Suitable for switching power supplies.
- Used in amplifier circuits for signal boosting.
- Ideal for general-purpose switching applications.
- Applicable in low to medium power transistor circuits.

## Compliance

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

## Documents and Media

- Datasheet: https://static.distyparts.com/disty-files/datasheets/d6/4f/54/BSX45-46-47_SERIES.PDF
- Image: https://static.distyparts.com/disty-files/images/69/2b/4f/page-000001.png
- Product Page: https://distyparts.com/product/bsx45
- RFQ URL: https://distyparts.com/product/bsx45#rfq

## FAQs

### What is the maximum Collector-Emitter Voltage for the BSX45 transistor?

The maximum Collector-Emitter Voltage (VCEO) for the BSX45 is 40V.

### What is the continuous collector current rating of the BSX45?

The BSX45 has a continuous collector current rating of 1.0A.

### What is the operating temperature range for the BSX45 transistor?

The operating and storage junction temperature range for the BSX45 is -65°C to +200°C.

### What package type is the BSX45 transistor supplied in?

The BSX45 transistor is supplied in a TO-39 case.

### What is the typical transition frequency (fT) of the BSX45?

The typical transition frequency (fT) of the BSX45 is 50MHz at 10V and 50mA.

### What is the RoHS status of the BSX45 transistor?

The BSX45 transistor is RoHS3 Compliant.

### What is the Moisture Sensitivity Level (MSL) for the BSX45?

The Moisture Sensitivity Level (MSL) for the BSX45 is 1 Unlimited.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/motorola-semicondutor
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/bsx45
- Markdown File: https://distyparts.com/product/bsx45.md
- TXT File: https://distyparts.com/product/bsx45.txt
