規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Obsolete |
| TransistorType | NPN |
| Current-Collector(Ic)(Max) | 1 A |
| Voltage-CollectorEmitterBreakdown(Max) | 40 V |
| VceSaturation(Max)@IbIc | 1V @ 50mA, 500mA |
| Current-CollectorCutoff(Max) | 10nA (ICBO) |
| DCCurrentGain(hFE)(Min)@IcVce | 100 @ 150mA, 10V |
| Power-Max | 1 W |
| Frequency-Transition | 300MHz |
| OperatingTemperature | 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
概述
Description
The PZT2222A is a general-purpose NPN bipolar junction transistor (BJT) commonly used for amplification and switching applications. Key features include:
- High current gain (hFE): Typically 100–300, ensuring efficient signal amplification.
- Moderate power handling: Max collector current (IC) of 600 mA and power dissipation (Pd) of 625 mW.
- Fast switching: Transition frequency (fT) of ~300 MHz, suitable for low-frequency RF and digital circuits.
- Voltage ratings: Collector-emitter (VCEO) up to 40 V, making it versatile for low-voltage designs.
Packaged in SOT-23, it’s compact for space-constrained PCBs. Common uses include driver circuits, signal amplification, and relay/load switching. Comparable to the 2N2222A but in a smaller form factor. Always check datasheets for exact specifications in your application.
- High current gain (hFE): Typically 100–300, ensuring efficient signal amplification.
- Moderate power handling: Max collector current (IC) of 600 mA and power dissipation (Pd) of 625 mW.
- Fast switching: Transition frequency (fT) of ~300 MHz, suitable for low-frequency RF and digital circuits.
- Voltage ratings: Collector-emitter (VCEO) up to 40 V, making it versatile for low-voltage designs.
Packaged in SOT-23, it’s compact for space-constrained PCBs. Common uses include driver circuits, signal amplification, and relay/load switching. Comparable to the 2N2222A but in a smaller form factor. Always check datasheets for exact specifications in your application.
Equivalent
The PZT2222A is an NPN bipolar transistor. Equivalent or similar products include:
- 2N2222A (common equivalent)
- PN2222A (plastic package variant)
- BC547 (lower power, similar characteristics)
- KSC1008 (higher voltage rating)
- MPS2222A (direct replacement)
Check datasheets for exact specs like current, voltage, and gain (hFE) to ensure compatibility.
- 2N2222A (common equivalent)
- PN2222A (plastic package variant)
- BC547 (lower power, similar characteristics)
- KSC1008 (higher voltage rating)
- MPS2222A (direct replacement)
Check datasheets for exact specs like current, voltage, and gain (hFE) to ensure compatibility.
Pinout
The PZT2222A is an NPN bipolar junction transistor (BJT) with 3 pins (TO-92 package). Its pin functions are:
1. Emitter (E): Outputs current.
2. Base (B): Controls transistor switching/amplification.
3. Collector (C): Receives current.
Key specs:
- Max current (Ic): 600mA
- Max voltage (Vce): 40V
- Power dissipation (Pd): 625mW
Commonly used for switching and amplification in low-power circuits.
1. Emitter (E): Outputs current.
2. Base (B): Controls transistor switching/amplification.
3. Collector (C): Receives current.
Key specs:
- Max current (Ic): 600mA
- Max voltage (Vce): 40V
- Power dissipation (Pd): 625mW
Commonly used for switching and amplification in low-power circuits.
Package
The PZT2222A is an NPN bipolar junction transistor (BJT) commonly available in a TO-92 package, a compact, through-hole plastic casing with three leads. It is widely used for general-purpose amplification and switching applications. The TO-92 package is cost-effective, easy to handle, and suitable for low-power circuits. Always verify the datasheet for exact specifications.
