Overview
The MMBT2222AK is a general-purpose NPN bipolar junction transistor (BJT) produced by onsemi. This transistor is designed for medium power amplification and switching applications, capable of handling collector currents up to 500 mA. It is packaged in a SOT-23 case, making it suitable for a wide range of electronic circuits where space is a consideration.
The device is known for its low saturation voltage, high current gain, and fast switching times, making it ideal for various applications including audio amplifiers, power supplies, and general-purpose switching circuits.
Key Specifications
| Parameter | Value | Unit | Test Condition |
|---|---|---|---|
| Collector-Emitter Voltage (VCEO) | 40 | V | IC = 10 mA, IB = 0 |
| Collector-Base Voltage (VCBO) | 75 | V | IC = 10 μA, IE = 0 |
| Emitter-Base Voltage (VEBO) | 6.0 | V | IE = 100 μA, IC = 0 |
| Collector Current (IC) | 1.0 | A | |
| Operating and Storage Junction Temperature Range (TSTG) | -55 to 150 | °C | |
| Total Device Dissipation (PD) | 350 | mW | Derate above 25°C |
| Thermal Resistance, Junction to Ambient (RθJA) | 357 | °C/W | |
| Saturation Voltage (VCE(sat)) | < 300 mV | IC = 150 mA, IB = 50 mA | |
| Transition Frequency (fT) | 300 | MHz | VCE = 20 V, IC = 20 mA, f = 100 MHz |
| Delay Time (td) | 10 ns | VCC = 30 V, IC = 150 mA, VBE(off) = -0.5 V, IB1 = 15 mA | |
| Rise Time (tr) | 25 ns | VCC = 30 V, IC = 150 mA, IB1 = 15 mA, VBE(off) = 0.5 V | |
| Storage Time (ts) | 225 ns | VCC = 30 V, IC = 150 mA, IB1 = -IB2 = 15 mA | |
| Fall Time (tf) | 60 ns | VCC = 30 V, IC = 150 mA, IB1 = -IB2 = 15 mA |
Key Features
- Epitaxial Planar Die Construction: Ensures reliable and consistent performance.
- Low Saturation Voltage: VCE(sat) < 300 mV at 150 mA, reducing power losses in switching applications.
- Complementary PNP Type: MMBT2907A, allowing for paired use in push-pull configurations.
- Ideal for Low Power Amplification and Switching: Suitable for a variety of applications requiring medium power handling.
- Totally Lead-Free & Fully RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
- Halogen- and Antimony-Free: “Green” device, adhering to stringent environmental standards.
- AEC-Q101 Qualified: Suitable for automotive applications requiring specific change control and manufactured in IATF 16949 certified facilities.
Applications
- Audio Amplifiers: Due to its low noise figure and high current gain, it is suitable for audio amplification circuits.
- Power Supplies: Can be used in power supply circuits for voltage regulation and switching.
- General-Purpose Switching: Ideal for various switching applications where medium power handling is required.
- Automotive Electronics: Qualified for automotive use, making it suitable for vehicle electronic systems.
- Consumer Electronics: Used in a variety of consumer electronic devices requiring reliable and efficient switching and amplification.
Q & A
- What is the maximum collector-emitter voltage (VCEO) of the MMBT2222AK?
The maximum collector-emitter voltage (VCEO) is 40 V.
- What is the package type of the MMBT2222AK?
The MMBT2222AK is packaged in a SOT-23 case.
- What is the maximum collector current (IC) of the MMBT2222AK?
The maximum collector current (IC) is 1.0 A.
- What is the operating and storage junction temperature range for the MMBT2222AK?
The operating and storage junction temperature range is -55 to 150 °C.
- Is the MMBT2222AK RoHS compliant?
Yes, the MMBT2222AK is totally lead-free and fully RoHS compliant.
- What is the transition frequency (fT) of the MMBT2222AK?
The transition frequency (fT) is 300 MHz at VCE = 20 V, IC = 20 mA, and f = 100 MHz.
- What are the typical rise and fall times of the MMBT2222AK?
The typical rise time (tr) is 25 ns and the fall time (tf) is 60 ns.
- Is the MMBT2222AK suitable for automotive applications?
Yes, the MMBT2222AK is AEC-Q101 qualified and suitable for automotive applications.
- What is the thermal resistance, junction to ambient (RθJA), of the MMBT2222AK?
The thermal resistance, junction to ambient (RθJA), is 357 °C/W.
- What are some common applications of the MMBT2222AK?
Common applications include audio amplifiers, power supplies, general-purpose switching, automotive electronics, and consumer electronics.
