Overview
The TIP127-BP is a PNP Darlington bipolar junction transistor manufactured by Micro Commercial Components (MCC). It is designed for high-current applications, leveraging its Darlington configuration to boost current gain. This transistor is ideal for driving high-current loads efficiently due to its low saturation voltage, which enhances power conservation and stable performance. The TIP127-BP is often used in tandem with its NPN counterpart, the TIP122, to create complementary push-pull amplifier circuits, particularly in audio and RF applications where symmetry in AC signals and minimal distortion are crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | PNP - Darlington |
| Package | TO-220AB |
| Collector Current (Ic) | 5 A |
| Collector Cut-off Current (Ices) | 500 µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1000 @ 3 A, 3 V |
| Collector-Emitter Voltage (VCEO) | 100 V |
| Collector-Base Voltage (VCBO) | 100 V |
| Emitter-Base Voltage (VEBO) | 5 V |
| Vce Saturation (Max) @ Ib, Ic | 4 V @ 20 mA, 5 A |
| Max Power Dissipation | 65 W (at Tc ≤ 25 °C), 2 W (at Tamb ≤ 25 °C) |
| Operating Temperature | -65 to 150 °C |
| Storage Temperature | -65 to 150 °C |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Yes |
Key Features
- High Current Gain: The TIP127-BP has a high DC current gain of 1000, making it suitable for amplification and switching operations.
- Low Saturation Voltage: With a maximum Vce saturation of 4 V, it reduces power losses and enhances energy efficiency.
- High Current Capability: It can handle a maximum collector current of 5 A and a peak current of 8 A.
- Complementary Pairing: Often used with the TIP122 NPN transistor to create complementary push-pull amplifier circuits.
- Efficient Heat Dissipation: Housed in a TO-220AB package, which provides efficient heat dissipation.
Applications
The TIP127-BP is versatile and can be used in various high-current applications, including:
- Amplifier Circuits: Particularly in audio and RF applications where high gain and low distortion are required.
- Switching Applications: Suitable for switching high-current loads efficiently.
- Power Supplies: Can be used in power supply circuits where high current handling is necessary.
- Motor Control: Ideal for controlling high-current motors due to its high current gain and low saturation voltage.
Q & A
- What is the transistor type of the TIP127-BP?
The TIP127-BP is a PNP Darlington bipolar junction transistor. - What is the maximum collector current of the TIP127-BP?
The maximum collector current is 5 A. - What is the collector-emitter voltage rating of the TIP127-BP?
The collector-emitter voltage rating is 100 V. - What is the DC current gain of the TIP127-BP?
The DC current gain is 1000 at 3 A and 3 V. - What package type does the TIP127-BP come in?
The TIP127-BP comes in a TO-220AB package. - Is the TIP127-BP RoHS compliant?
Yes, the TIP127-BP is ROHS3 compliant. - What is the maximum operating junction temperature of the TIP127-BP?
The maximum operating junction temperature is 150 °C. - Can the TIP127-BP be used in high-frequency applications?
While it is primarily used for high-current applications, it can be used in certain high-frequency scenarios, especially in audio and RF circuits. - How does the TIP127-BP handle heat dissipation?
The TO-220AB package of the TIP127-BP provides efficient heat dissipation. - Is the TIP127-BP still in production?
No, the TIP127-BP is listed as obsolete and no longer manufactured.
