MCH5541-TL-E

Overview

The MCH5541-TL-E is a PNP/NPN epitaxial planar silicon transistor configured as a push-pull circuit within a single ultrasmall package. It operates with a collector-to-emitter voltage of 30 V and supports a continuous collector current of 700 mA, with pulse currents reaching 3 A. The device features a gain-bandwidth product of 540 MHz and a DC current gain ranging from 200 to 800 at 50 mA. Key electrical characteristics include a collector-to-emitter saturation voltage of 190 mV max and an output capacitance of 3.3 pF typical. Switching performance includes a turn-on time of 35 ns and a fall time of 40 ns typical.

Feature Summary

• Composite structure integrating PNP and NPN transistors in one package for high-density mounting.
• Ultrasmall physical footprint designed to enable small and slim application sets.

Applications

• MOSFET gate drivers
• Relay drivers
• Lamp drivers
• Motor drivers

Procurement Notes

Verify the manufacturer designation on official documentation, as historical records indicate Sanyo Electric Co., Ltd. Semiconductor Company as the original producer. Confirm that the specific ordering suffix matches the required tape-and-reel packaging configuration before finalizing procurement orders.

Selection Notes

Select this component for applications requiring a compact push-pull configuration. Ensure the design accommodates the 30 V collector-to-emitter voltage limit and the 700 mA continuous current rating. Verify thermal management requirements against the 0.5 W dissipation rating mounted on a ceramic board.

Part Context

This part belongs to the MCH5541 series of composite transistors. It serves as a discrete solution for driving loads where space constraints prevent the use of separate complementary transistors. The device is intended for general-purpose switching applications in consumer and industrial electronics.

Replacement Considerations

Consult official substitution guides for equivalent composite transistors. Verify pinout compatibility and electrical parameter margins before replacing the component in existing designs.

FAQ

What is the maximum collector current supported by the MCH5541?

The device supports a continuous collector current of 700 mA and a pulse collector current of up to 3 A for pulses less than or equal to 10 microseconds.

Does the MCH5541 have an internal reference voltage?

No, the MCH5541 is a discrete composite transistor consisting of PNP and NPN elements. It does not contain an integrated reference voltage source.

What is the typical gain-bandwidth product of this transistor?

The typical gain-bandwidth product (fT) is 540 MHz when measured at a collector current of 50 mA and a collector-to-emitter voltage of 2 V.