Overview
The TIP31C1A is an NPN epitaxial silicon transistor produced by Harris Corporation. This transistor is part of the TIP31 series, known for its medium power linear switching applications. Although the TIP31 series is now largely obsolete and not in production by Fairchild Semiconductor, the TIP31C1A remains relevant for legacy systems and specific applications.
The TIP31C1A is packaged in a TO-220 3L (Single Gauge) format, which is a common package type for power transistors, offering good thermal dissipation and ease of mounting.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | 100 | V |
| Collector-Emitter Voltage (VCEO) | 100 | V |
| Emitter-Base Voltage (VEBO) | 5 | V |
| Collector Current (DC) (IC) | 3 | A |
| Collector Current (Pulse) (ICP) | 5 | A |
| Base Current (IB) | 1 | A |
| Junction Temperature (TJ) | -65 to 150 | °C |
| Storage Temperature Range (TSTG) | -65 to 150 | °C |
| Collector Dissipation (TA = 25°C) (PC) | 2 | W |
| Collector Dissipation (TC = 25°C) (PC) | 40 | W |
| DC Current Gain (hFE) | 10 to 50 | - |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 1.2 | V |
| Base-Emitter On Voltage (VBE(on)) | 1.8 | V |
Key Features
- Medium Power Linear Switching Applications: Suitable for applications requiring moderate power handling.
- Complementary to TIP32 Series: Can be used in conjunction with PNP transistors of the TIP32 series for push-pull configurations.
- High Collector Current: Capable of handling up to 3A of continuous collector current and 5A of peak collector current.
- Wide Operating Temperature Range: Operates safely within a junction temperature range of -65°C to 150°C.
- Good Thermal Dissipation: TO-220 package provides effective thermal dissipation, making it suitable for high-power applications.
Applications
- Power Amplifiers: Used in audio and other power amplifier circuits where medium power handling is required.
- Switching Circuits: Suitable for switching applications such as motor control, relay drivers, and other high-current switching needs.
- Legacy Systems: Often used in older systems where compatibility with existing designs is necessary.
- Industrial Control Systems: Used in various industrial control circuits requiring reliable and robust transistor performance.
Q & A
- What is the maximum collector current of the TIP31C1A transistor?
The maximum continuous collector current is 3A, and the peak collector current is 5A.
- What is the collector-emitter voltage rating of the TIP31C1A?
The collector-emitter voltage (VCEO) is rated at 100V.
- What is the junction temperature range of the TIP31C1A?
The junction temperature range is -65°C to 150°C.
- What package type is the TIP31C1A available in?
The TIP31C1A is available in a TO-220 3L (Single Gauge) package.
- Is the TIP31C1A still in production?
No, the TIP31 series, including the TIP31C1A, is obsolete and not in production by Fairchild Semiconductor.
- What are the typical applications of the TIP31C1A transistor?
It is used in power amplifiers, switching circuits, legacy systems, and industrial control systems.
- What is the base-emitter on voltage of the TIP31C1A?
The base-emitter on voltage (VBE(on)) is approximately 1.8V.
- What is the collector-emitter saturation voltage of the TIP31C1A?
The collector-emitter saturation voltage (VCE(sat)) is approximately 1.2V.
- What is the DC current gain of the TIP31C1A?
The DC current gain (hFE) ranges from 10 to 50.
- How much power can the TIP31C1A dissipate at 25°C case temperature?
The transistor can dissipate up to 40W at 25°C case temperature.
- What is the storage temperature range for the TIP31C1A?
The storage temperature range is -65°C to 150°C.
