Key facts
- Brand
- Fairchild
- Model
- BCX19
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-12
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Fairchild Semiconductor BCX19 NPN Medium Power Transistor Datasheet
This document is a technical datasheet for the Fairchild Semiconductor BCX19, an NPN medium power transistor designed for general-purpose amplifiers. The device is sourced from process 38 and is available in the SOT-23 package format.
The datasheet provides comprehensive specifications including absolute maximum ratings such as collector-emitter voltage (45 V) and continuous collector current (500 mA). It also lists electrical characteristics for both off-state and on-state conditions, thermal resistance values, and physical package dimensions in millimeters.
Fairchild BCX19 specifications
| Collector-Emitter Voltage (VCEO) | 45 V |
|---|---|
| Collector-Base Voltage (VCBO) | 50 V |
| Emitter-Base Voltage (VEBO) | 5.0 V |
| Collector Current (Continuous) | 500 mA |
| Junction and Storage Temperature | -55 ~ +150 °C |
| Total Device Dissipation (Pp) | 300 mW |
| Thermal Resistance, Junction to Ambient | 417 °C/W |
Source: Fairchild Semiconductor BCX19 NPN Medium Power Transistor Datasheet
All Fairchild BCX19 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the package type for the BCX19?
The device is available in the SOT-23 package format.
From: Fairchild Semiconductor BCX19 NPN Medium Power Transistor Datasheet
Is the BCX19 suitable for life support devices?
No, Fairchild's products are not authorized for use as critical components in life support devices without express written approval.
From: Fairchild Semiconductor BCX19 NPN Medium Power Transistor Datasheet
What is the maximum collector‑emitter voltage for the BCX19?
The BCX19 can withstand up to 45 V between collector and emitter.
What is the continuous collector current rating?
The device is rated for a continuous collector current of 500 mA.