Спецификации
| Атрибут | Ценность |
| Package / Case | Cut Tape (CT) |
| Part Status | Obsolete |
| Transistor Type | NPN |
| Current - Collector(Ic)(Max) | 600 mA |
| Voltage - Collector Emitter Breakdown(Max) | 40 V |
| Vce Saturation(Max) @ Ib Ic | 1V @ 50mA, 500mA |
| Current - Collector Cutoff(Max) | 10nA (ICBO) |
| DC Current Gain(h FE)(Min) @ Ic Vce | 100 @ 150mA, 10V |
| Power - Max | 225 mW |
| Frequency - Transition | 300MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Обзор
Description
The MMBT2222ALT1 is a general-purpose NPN bipolar junction transistor (BJT) in a small SOT-23 surface-mount package. Key features include:
- Applications: Switching and amplification in low-power circuits.
- Voltage/Current Ratings:
- Collector-Emitter Voltage (VCE): 40V
- Collector Current (IC): 600mA
- Power Dissipation (PD): 350mW
- Gain (hFE): Typically 100–300 at IC = 10mA.
- Package: SOT-23 (compact for space-constrained designs).
Commonly used in consumer electronics, signal amplification, and switching circuits. It is a variant of the 2N2222 transistor but optimized for surface-mount PCBs.
For detailed specs, refer to the datasheet.
- Applications: Switching and amplification in low-power circuits.
- Voltage/Current Ratings:
- Collector-Emitter Voltage (VCE): 40V
- Collector Current (IC): 600mA
- Power Dissipation (PD): 350mW
- Gain (hFE): Typically 100–300 at IC = 10mA.
- Package: SOT-23 (compact for space-constrained designs).
Commonly used in consumer electronics, signal amplification, and switching circuits. It is a variant of the 2N2222 transistor but optimized for surface-mount PCBs.
For detailed specs, refer to the datasheet.
Equivalent
The MMBT2222ALT1 is a general-purpose NPN transistor. Equivalent alternatives include:
- MMBT2222A (same series, slightly different specs)
- 2N2222A (through-hole equivalent)
- BC547 (similar characteristics, check pinout)
- PN2222A (common substitute)
- KSC2222A (compatible alternative)
Always verify datasheets for exact specs and pin compatibility.
- MMBT2222A (same series, slightly different specs)
- 2N2222A (through-hole equivalent)
- BC547 (similar characteristics, check pinout)
- PN2222A (common substitute)
- KSC2222A (compatible alternative)
Always verify datasheets for exact specs and pin compatibility.
Features
The MMBT2222ALT1 is a general-purpose NPN bipolar junction transistor (BJT) with the following key features:
- Type: NPN
- Package: SOT-23 (small surface-mount)
- Max Collector-Base Voltage (V_CBO): 75V
- Max Collector-Emitter Voltage (V_CEO): 40V
- Max Emitter-Base Voltage (V_EBO): 6V
- Continuous Collector Current (I_C): 600mA
- Power Dissipation (P_D): 350mW
- DC Current Gain (h_FE): 35–300 (varies with conditions)
- Transition Frequency (f_T): 300MHz (typical)
- Low Saturation Voltage
Applications: Switching, amplification, and general-purpose circuits in consumer electronics, signal processing, and low-power devices.
Compact and efficient, it’s ideal for space-constrained designs. Always check the datasheet for detailed specs.
- Type: NPN
- Package: SOT-23 (small surface-mount)
- Max Collector-Base Voltage (V_CBO): 75V
- Max Collector-Emitter Voltage (V_CEO): 40V
- Max Emitter-Base Voltage (V_EBO): 6V
- Continuous Collector Current (I_C): 600mA
- Power Dissipation (P_D): 350mW
- DC Current Gain (h_FE): 35–300 (varies with conditions)
- Transition Frequency (f_T): 300MHz (typical)
- Low Saturation Voltage
Applications: Switching, amplification, and general-purpose circuits in consumer electronics, signal processing, and low-power devices.
Compact and efficient, it’s ideal for space-constrained designs. Always check the datasheet for detailed specs.
Application
The MMBT2222ALT1 is a general-purpose NPN bipolar junction transistor (BJT) commonly used in:
1. Switching Circuits – Fast switching for relays, LEDs, and small loads.
2. Amplification – Low-power signal amplification in audio and RF stages.
3. Digital Logic – Interface or driver in logic circuits (e.g., inverters, buffers).
4. Consumer Electronics – Found in TVs, radios, and small appliances.
5. Automotive – Simple control modules and sensor interfaces.
Its small SOT-23 package and moderate current (600mA max) make it ideal for compact, low-power designs.
1. Switching Circuits – Fast switching for relays, LEDs, and small loads.
2. Amplification – Low-power signal amplification in audio and RF stages.
3. Digital Logic – Interface or driver in logic circuits (e.g., inverters, buffers).
4. Consumer Electronics – Found in TVs, radios, and small appliances.
5. Automotive – Simple control modules and sensor interfaces.
Its small SOT-23 package and moderate current (600mA max) make it ideal for compact, low-power designs.
Package
The MMBT2222ALT1 is a general-purpose NPN transistor available in a SOT-23 surface-mount package. This compact 3-pin package is widely used for small-signal applications, offering space efficiency and ease of assembly on PCBs. The SOT-23 is suitable for automated placement and is common in consumer electronics, amplifiers, and switching circuits.
