MMPQ2222A BK

Overview

The MMPQ2222A BK is a small-signal NPN bipolar junction transistor manufactured by Central Semiconductor Corp. It is housed in a 14-pin dual inline package (DIP) and contains four isolated transistors within a single component. The device supports a maximum continuous collector current of 0.5 A and a collector-emitter voltage rating of 40 V. Key electrical specifications include a minimum DC current gain of 30, a transition frequency of 250 MHz, and a power dissipation capacity of 1 W per transistor. The unit operates reliably across a temperature range from -65°C to 150°C.

Feature Summary

• Contains four isolated NPN transistors in a single package for space-efficient circuit design
• Supports high-speed switching applications with a transition frequency up to 250 MHz
• Capable of handling moderate current loads with a maximum collector current of 0.5 A

Applications

• General-purpose signal amplification circuits
• Switching applications in consumer electronics
• Digital logic interface circuits

Procurement Notes

Verify the specific suffix BK against official datasheets to confirm packaging or tape-and-reel variations. Ensure compatibility with standard DIP-14 footprints during PCB layout. Confirm RoHS compliance status if required for specific manufacturing standards. Cross-reference pinouts with other quad transistor packages to prevent installation errors.

Selection Notes

Select this component when multiple identical NPN switching functions are needed in a compact form factor. Compare thermal resistance values against available heat sinking options. Evaluate the minimum hFE of 30 to ensure adequate drive capability for the intended load conditions. Consider the 40V breakdown voltage relative to peak circuit voltages.

Part Context

This part belongs to the 2N2222 family of small-signal NPN transistors. It provides a multi-transistor alternative to using discrete single units. The quad configuration reduces board space compared to individual components. Central Semiconductor manufactures this device for general electronic applications requiring reliable switching performance.

Replacement Considerations

• MMPQ2222A
• CMQT2222A

FAQ

What is the maximum power dissipation per transistor?

The maximum power dissipation is 1 W per transistor.

Is the internal transistor configuration common emitter?

The transistors are isolated, allowing for various circuit configurations including common emitter.

What is the collector-base voltage rating?

The maximum collector-base voltage is 75 V.