MCH4020-TL-E

Overview

The MCH4020-TL-E is a single NPN epitaxial planar silicon RF transistor manufactured by onsemi. Designed for high-frequency applications, it features a transition frequency (fT) of 16 GHz at VCE=5V and a maximum collector current of 150 mA with an 8V breakdown voltage. The device operates in the MCPH-4 surface-mount package. Key electrical characteristics include a typical noise figure of 1.2 dB at 1 GHz and a power gain of 17.5 dB at 1 GHz. It complies with halogen-free standards and supports operating temperatures up to 150°C.

Feature Summary

• Optimized for low-noise performance with a typical noise figure of 1.2 dB at 1 GHz
• High cut-off frequency capability reaching 16 GHz for efficient high-speed signal processing
• Provides high power gain of 17.5 dB at 1 GHz suitable for amplifier stages
• Halogen-free compliance ensuring adherence to environmental safety standards

Applications

• Low-noise amplifier (LNA) circuits in wireless communication systems
• RF signal processing stages requiring high-frequency operation
• Mobile phone base station front-end modules
• Wireless LAN and Bluetooth interface amplifiers

Procurement Notes

Verify component authenticity through authorized onsemi distributors or certified suppliers. Confirm RoHS and halogen-free status via official documentation. Check for obsolescence notices as RF components may have limited lifecycle availability. Ensure storage conditions meet moisture sensitivity level requirements before soldering.

Selection Notes

Select this component when designing circuits requiring a single NPN RF transistor with 16 GHz transition frequency. Compare noise figures against alternatives if ultra-low noise below 1.2 dB is critical. Verify that the MCPH-4 package footprint matches the PCB layout constraints. Ensure supply voltage limits accommodate the 8V VCEO rating for the specific application environment.

Part Context

The MCH4020 series belongs to onsemi's lineup of epitaxial planar silicon transistors designed specifically for radio frequency applications. This family emphasizes high-frequency performance and low noise characteristics, making it suitable for modern wireless infrastructure. The MCPH-4 package provides a compact form factor ideal for space-constrained mobile and portable electronic devices.

Replacement Considerations

The MCH4020-TL-H is a verified equivalent variant within the same product line offering identical electrical specifications. Both variants share the same functional parameters and package type, allowing for direct substitution in existing designs without circuit modification.