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2N4957

Type 2N4957 Geometry 0006 Polarity PNP

Chip type 2C4957 by Semicoa Semiconductors provides performance similar to these devices. Features: Special Characteristics ft = 1.6 GHz (typ) at 2.0 mA/10V APPLICATIONS: Designed for high-gain, low-noise class A amplifiers, oscillators and mixers.

文件:43.82 Kbytes 页数:2 Pages

SEMICOA

2N4957

TO-72

PNP Silicon Transistors

文件:68.32 Kbytes 页数:1 Pages

NJSEMINew Jersey Semi-Conductor Products, Inc.

新泽西半导体新泽西半导体公司

2N4957

PNP SILICON ANNULAR SMALL-SIGNAL

PNP silicon annular small-signal RF transistor designed for high-gain, low-noise amplifier, oscillator, and mixer applications.

文件:156.71 Kbytes 页数:1 Pages

NJSEMINew Jersey Semi-Conductor Products, Inc.

新泽西半导体新泽西半导体公司

2N4957

Silicon PNP Transistor

文件:216.24 Kbytes 页数:2 Pages

SEMICOA

2N4957

Chip Type 2C4957 Geometry 0006 Polarity PNP

文件:29.82 Kbytes 页数:1 Pages

SEMICOA

2N4957

PNP Transistor

The 2N4957 is a military qualified silicon PNP amplifier transistor designed for VHF-UHF equipment and other high-reliability applications. Common applications include high gain low noise amplifier; oscillator, and mixer applications.  It is also available in a low-profile UB surface mount package.

Microchip

微芯科技

2N4957

Package:TO-72-3 金属罐;包装:带 类别:分立半导体产品 晶体管 - 双极(BJT)- 射频 描述:RF TRANS PNP 30V 30MA TO72

MICROSEMI

美高森美

2N4957UB

Type 2N4957UB Geometry 0006 Polarity PNP

Chip type 2C4957 by Semicoa Semiconductors provides performance similar to these devices. Features: Special Characteristics ft = 1.6 GHz (typ) at 2.0 mA/10V APPLICATIONS: Designed for high-gain, low-noise class A amplifiers, oscillators and mixers.

文件:67.46 Kbytes 页数:2 Pages

SEMICOA

2N4957_02

Silicon PNP Transistor

文件:216.24 Kbytes 页数:2 Pages

SEMICOA

2N4957UB

Chip Type 2C4957 Geometry 0006 Polarity PNP

文件:29.82 Kbytes 页数:1 Pages

SEMICOA

晶体管资料

  • 型号:

    2N4957

  • 别名:

    三极管、晶体管、晶体三极管

  • 生产厂家:

  • 制作材料:

    Si-PNP

  • 性质:

    超高频/特高频 (UHF)_低噪放大 (ra)

  • 封装形式:

    直插封装

  • 极限工作电压:

    30V

  • 最大电流允许值:

    0.03A

  • 最大工作频率:

    1.5GHZ

  • 引脚数:

    4

  • 可代换的型号:

    BF272,BF316,BF372,BF439,BF516,BF606,BFR38,BFR99,3CG114B,

  • 最大耗散功率:

    0.2W

  • 放大倍数:

  • 图片代号:

    D-13

  • vtest:

    30

  • htest:

    1500000000

  • atest:

    0.03

  • wtest:

    0.2

产品属性

  • 产品编号:

    2N4957

  • 制造商:

    Microsemi Corporation

  • 类别:

    分立半导体产品 > 晶体管 - 双极(BJT)- 射频

  • 包装:

  • 晶体管类型:

    PNP

  • 电压 - 集射极击穿(最大值):

    30V

  • 噪声系数(dB,不同 f 时的典型值):

    3.5dB @ 450MHz

  • 增益:

    25dB

  • 功率 - 最大值:

    200mW

  • 不同 Ic、Vce 时 DC 电流增益 (hFE)(最小值):

    30 @ 5mA,10V

  • 电流 - 集电极 (Ic)(最大值):

    30mA

  • 工作温度:

    -65°C ~ 200°C(TJ)

  • 安装类型:

    通孔

  • 封装/外壳:

    TO-72-3 金属罐

  • 供应商器件封装:

    TO-72

  • 描述:

    RF TRANS PNP 30V 30MA TO72

供应商型号品牌批号封装库存备注价格
M
24+
CAN
1500
AI芯片,车规MCU原装现货/为新能源汽车电子行业采购保驾护航
询价
MOTOROLA
24+
CAN4
3890
原装现货假一罚十
询价
MOT
24+
CAN4
4231
公司原厂原装现货假一罚十!特价出售!强势库存!
询价
MOT
24+
CAN4
512
询价
M
24+
CAN
200
进口原装正品优势供应
询价
MOTOROLA/摩托罗拉
专业铁帽
CAN3
1000
原装铁帽专营,代理渠道量大可订货
询价
MOTOROLA/摩托罗拉
专业铁帽
CAN4
67500
铁帽原装主营-可开原型号增税票
询价
MOT
24+
CAN4
6540
原装现货/欢迎来电咨询
询价
Microsemi
1941+
N/A
909
加我qq或微信,了解更多详细信息,体验一站式购物
询价
TI
FBGA
6850
莱克讯每片来自原厂原盒原包装假一罚十价优
询价
更多2N4957供应商 更新时间2026-4-9 15:00:00