2SC2149 Datasheet (NEC) - MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR

2SC2149, MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR

The 2SC2148, 2SC2149 are economical microwave transistors encapsulated into new hermetic stripline packages, "micro X".

These are designed for small signal amplifier, low noise amplifier, and oscillator applications in the L to C band, and CML circuit use.

4.0 MIN.

PACKAGE DIMENSIONS (Unit : mm) 1

2SC2149 Features

* 2SC2148 NF: 2.1 dB TYP. @f = 500 MHz 2SC2149 NF: 2.6 dB TYP. @f = 2.0 GHz 4.0 MIN. 2 4.0 MIN. 4 3 0.5±0.05 2.55±0.2 φ 2.1 1.8 MAX. 0.55 1. 2. 3. 4. Emitter Collector Emitter Base Derating curves of the 2SC2148, 2SC2149. The maximum junction temperature of these transistors is allowed up to 200