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Product Detailed Parameters
- Description：TRANS NPN 40V 0.6A SOT-23
- Series：MMBT
- Mfr：HY Electronic (Cayman) Limited
- Package：Tape & Reel (TR)
- 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
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 150mA, 10V
- Power - Max：300 mW
- Frequency - Transition：300MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：-
- Supplier Device Package：SOT-23
- Grade：-
- Qualification：-
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Overview
The MMBT2222A is an NPN bipolar junction transistor manufactured by HY Electronic (Cayman) Limited. It is designed for general-purpose amplification and switching applications. The device utilizes a planar silicon epitaxial structure to ensure stable performance across varying temperature conditions. It is housed in the SOT-23 surface-mount package, which facilitates automated assembly and compact circuit board layouts. This component serves as a reliable active element in low-power electronic designs.
Feature Summary
- NPN configuration suitable for signal amplification
- Planar silicon epitaxial construction for thermal stability
- SOT-23 surface-mount package for space-efficient integration
Applications
- General-purpose signal amplification circuits
- Low-power switching applications
- Driver stages in consumer electronics
Procurement Notes
Verify the manufacturer designation matches HY Electronic (Cayman) Limited on the component marking or datasheet. Confirm the package type is SOT-23. Ensure the part number suffix corresponds to the specific tape-and-reel or cut-tape variant required for your assembly process. Cross-reference with official distributor catalogs to confirm current production status.
Selection Notes
Select this component when a small-form-factor NPN transistor is required for low-current switching or amplification. The SOT-23 package is ideal for high-density PCB designs. Consider the thermal characteristics of the planar structure if operating near maximum ratings. Verify that the voltage and current requirements of the application fall within the safe operating area defined in the official datasheet.
Part Context
This component belongs to the MMBT2222 series of small-signal transistors. These devices are widely used in portable electronics due to their low profile and efficient power handling capabilities. The MMBT2222A variant specifically denotes the NPN polarity version within this family, sharing similar structural characteristics with other members while maintaining distinct electrical parameters for circuit design compatibility.
Replacement Considerations
Compatible substitutes include MMBT2222ALT1G and MMBT2222ALT3G from ON Semiconductor. These alternatives share the same SOT-23 package and NPN functionality. Verify pinout compatibility and electrical specifications before substitution.
