MMBT2222A
Single Bipolar Transistors Manufacturer:
Mfr. Part #:
onzuu Part #:
Datasheet:
Description:
MMBT2222A
276-MMBT2222A
Discover the full technical specs, datasheet, features, and application scenarios for MMBT2222A NPN transistor. SMD package, fast switching, and Onzuu distributor support.
MMBT2222A Description
MMBT2222A NPN Transistor: Features, Applications & Specs
The MMBT2222A is a widely-used NPN bipolar junction transistor (BJT) designed for general-purpose switching and amplification applications. Manufactured by onsemi, this transistor is housed in a compact SOT-23-3 surface-mount package, making it ideal for space-constrained PCB layouts. It is commonly used in consumer electronics, industrial automation, and embedded systems.
Datasheet
Download the official MMBT2222A datasheet for detailed specifications and application guidelines:
Key Features
- Type: NPN Bipolar Junction Transistor
- Max Collector Current (Ic): 1 A
- Collector-Emitter Breakdown Voltage: 40 V
- Saturation Voltage: 1V @ 50mA, 500mA
- Gain Bandwidth Product: 300 MHz
- High DC Gain: hFE ≥ 100
- Low Collector Cutoff Current: 10nA (ICBO)
- Power Dissipation: 350 mW
- Package: TO-236-3 (SOT-23)
- Mounting Type: Surface Mount
- Operating Temperature: up to 150°C (TJ)
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Part Status | Obsolete |
| Transistor Type | NPN |
| Collector Current (Ic) Max | 1 A |
| Collector-Emitter Breakdown Voltage | 40 V |
| Saturation Voltage (Vce sat) | 1V @ 50mA, 500mA |
| Collector Cutoff Current (ICBO) | 10nA |
| DC Gain (hFE) | ≥100 @ 150mA, 10V |
| Power Dissipation | 350 mW |
| Transition Frequency | 300 MHz |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type | Surface Mount |
| Operating Temperature | Up to 150°C (TJ) |
Application Scenarios
- Signal amplification in low-power analog circuits
- General-purpose switching in digital control circuits
- LED driving and motor control
- Used in Arduino and Raspberry Pi prototyping
- Consumer electronics, industrial automation, and sensor systems
🛒 Buy MMBT2222A or Find Alternatives
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Frequently Asked Questions (FAQ)
What is the difference between MMBT2222A and 2N2222?
MMBT2222A is the SMD version of the popular 2N2222 transistor, which is typically in a TO-18 or TO-92 package. Both have similar electrical characteristics but differ in packaging and mounting type.
Can I use MMBT2222A in audio amplifier circuits?
Yes, it's suitable for low-power audio pre-amplification and general signal gain stages.
Is MMBT2222A still in production?
No, it is classified as obsolete, but available from some distributors and surplus vendors.
What is the package type of MMBT2222A?
SOT-23-3 surface-mount package, ideal for compact PCBs.
Conclusion
The MMBT2222A remains a staple for general-purpose NPN transistor applications, especially in compact designs. While obsolete, its high frequency, fast switching, and reliable characteristics make it an excellent choice in existing product designs or repair scenarios. For sourcing MMBT2222A or compatible alternatives, trust Onzuu as your dependable component partner.
Technical specifications
| Operating Temperature | 150°C (TJ) | |
| Frequency - Transition | 270MHz | |
| Current - Collector (Ic) (Max) | 600 mA | |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 50mA, 500mA | |
| ECCN | EAR99 | |
| Mounting Type | Surface Mount | |
| Product Status | Obsolete | |
| Voltage - Collector Emitter Breakdown (Max) | 40 V | |
| Supplier Device Package | SOT-23-3 | |
| Series | - | |
| Transistor Type | NPN | |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | |
| Power - Max | 350 mW | |
| REACH Status | REACH Unaffected | |
| Mfr | STMicroelectronics | |
| Current - Collector Cutoff (Max) | 10nA (ICBO) | |
| HTSUS | 8541.21.0075 | |
| Package | Tape & Reel (TR) | |
| RoHS Status | ROHS3 Compliant | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 150mA, 10V | |
| Base Product Number | MMBT2222 | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
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