Datasheet > NE681

NE681

更新时间： 2024-11-15 03:46:43

品牌	Logo	应用领域
CEL		晶体晶体管
页数	文件大小	规格书
21页	627K
描述
NPN SILICON HIGH FREQUENCY TRANSISTOR

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数据手册

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NE681 数据手册

SILICON TRANSISTOR

NE681 SERIES

NEC's NPN SILICON HIGH

FREQUENCY TRANSISTOR

FEATURES

• HIGH GAIN BANDWIDTH PRODUCT: fT = 8 GHz

• LOW NOISE FIGURE:

1.2 dB at 1 GHz

1.6 dB at 2 GHz

• HIGH ASSOCIATED GAIN:

15 dB at 1 GHz

12 dB at 2 GHz

35 (MICRO-X)

00 (CHIP)

• LOW COST

DESCRIPTION

NEC's NE681 series of NPN epitaxial silicon transistors are

designed for low noise, high gain, low cost amplifier applica-

tions. Both the chip and micro-x versions are suitable for

amplifier applications up to 4 GHz. The NE681 die is also

available in six different low cost plastic surface mount pack-

age styles. NE681's unique device characteristics allow you to

useasinglematchingpointtosimultaneouslyachievebothlow

noise and high gain.

19 (3 PIN ULTRA

SUPER MINI MOLD)

18 (SOT 343 STYLE)

30 (SOT 323 STYLE)

39 (SOT 143 STYLE)

33 (SOT 23 STYLE)

NOISE FIGURE, GAIN MSG

AND MAG vs. FREQUENCY

CE = 3 V, IC = 5 mA

MSG

MAG

3.0

39R (SOT 143R STYLE)

2.0

1.0

0.5

1.0

2.0

3.0

Frequency, f (GHz)

The information in this document is subject to change without notice. Before using this document, please confirm

that this is the latest version.

Date Published: June 28, 2005

12 3 4 5 6 7...21

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