Datasheet > SQ4957

SQ4957

更新时间： 2024-09-28 22:21:27

品牌	Logo	应用领域
SEMICOA		/
页数	文件大小	规格书
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描述
Chip Type 2C4957 Geometry 0006 Polarity PNP

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数据手册

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SQ4957 数据手册

Data Sheet No. 2C4957

Ge ne ric Pa c ka ge d Pa rts :

2N4957, 2N4958, 2N4959

Chip Type 2C4957

Geometry 0006

Polarity PNP

Chip type 2C4957 by Semicoa Semi-

conductors provides performance

similar to these devices.

Product Summary:

APPLICATIONS:

Designed for high-gain, low-noise class A

amplifiers, oscillators and mixers.

Part Numbers:

Features: Special Characteristics

ft = 1.6 GHz (typ) at 2.0 mA/10V

2N4957, 2N4957UB, 2N4958, 2N4958UB,

2N4959, 2N4959UB, SD4957, SD4957F,

SQ4957, SQ4957F

Radiation graphs available

Mechanical Specifications

Top

Al - 12 kÅ min.

Au - 6.5 kÅ nom.

2.3 mils x 2.3 mils

Metallization

Backside

Emitter

Base

Bonding Pad Size

8 mils nominal

Die Thickness

Chip Area

16 mils x 16 mils

Silox Passivated

Top Surface

Electrical Characteristics

T_A= 25^oC

Parameter

BV_CEO

Test conditions

Min

Max

---

Unit

V dc

µA

I_C= 1.0 mA

I_C= 100 µA

I_E= 100 µA

V_CB= 10 V dc

BV_CBO

BV_EBO

I_CBO

---

3.0

---

0.1

150

h_FE

V_CE= 10 V, I_C= 2.0 mA

---

Due to limitations of probe testing, only dc parameters are tested. This must be done with pulse width less

than 300 µs, duty cycle less than 2%.

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SQ5461B	APITECH	获取价格	Variable Capacitance Diode, Very High Frequency to Ultra High Frequency, 6.8pF C(T), 30V,