DATA SHEET
SILICON
TRANSISTORS
2SC2148, 2SC2149
MICROWAVE LOW NOISE AMPLIFIER
NPN SILICON EPITAXIAL
TRANSISTOR
DESCRIPTION
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
0.
5±0.
05 0.
1−0.
03
+0.
06
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 ju...