SD1127, NPN RF Power Transistor, TO-39 Package

The SD1127 is a silicon NPN planar transistor designed for economical VHF communication applications up to 175 MHz. Its grounded emitter configuration provides high gain and excellent heat dissipation, making it suitable for VHF military and commercial equipment. The transistor chip is mounted on a beryllium oxide tab to isolate the collector lead, allowing for a grounded emitter configuration that enhances performance.

• High Gain: Provides a power gain (G_p) of 12 dB at 12.5V and 175 MHz, ensuring efficient amplification in VHF applications.
• High Output Power: Delivers a minimum output power (P_out) of 4.0W, suitable for VHF communication systems.
• Grounded Emitter Configuration: Enhances gain and heat dissipation, contributing to reliable performance.
• Planar Design: Utilizes silicon NPN planar transistor technology for improved performance and reliability.
• TO-39 Package: Offers a compact and durable metal can package, facilitating efficient heat dissipation.
• Enhanced Thermal Stability: Designed with a beryllium oxide tab for superior heat dissipation, ensuring stable performance under high-power operation.