The RCA SK3721 is a PNP germanium transistor designed for RF and IF amplifier applications. Encased in a TO-5 package, it offers reliable performance in high-frequency circuits.

**Key Features:**

– **Transistor Type:** PNP Germanium
– **Application:** RF/IF Amplifier
– **Package:** TO-5
– **Equivalent:** NTE100

This transistor is suitable for use in radio frequency and intermediate frequency amplification, providing consistent performance in various electronic applications.