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SQ4957F PDF预览

SQ4957F

更新时间: 2024-11-15 22:21:27
品牌 Logo 应用领域
SEMICOA /
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1页 32K
描述
Chip Type 2C4957 Geometry 0006 Polarity PNP

SQ4957F 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  
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  
TA = 25oC  
Parameter  
BVCEO  
Test conditions  
Min  
30  
Max  
---  
Unit  
V dc  
V dc  
V dc  
µA  
IC = 1.0 mA  
IC = 100 µA  
IE = 100 µA  
VCB = 10 V dc  
BVCBO  
BVEBO  
ICBO  
30  
---  
3.0  
---  
---  
0.1  
150  
hFE  
VCE = 10 V, IC = 2.0 mA  
20  
---  
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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