Data Sheet No. 2C2857
Chip Type 2C2857 Geometry 0011 Polarity NPN
Generic Packaged Part: 2N2857
Chip type 2C2857 by S...
Data Sheet No. 2C2857
Chip Type 2C2857 Geometry 0011 Polarity
NPN
Generic Packaged Part: 2N2857
Chip type 2C2857 by Semicoa Semiconductors provides performance similar to these devices.
Part Numbers:
2N2857, 2N2857UB, SD2857, SD2857F, SQ2857, SQ2857F
Product Summary: APPLICATIONS: Designed for use in high-gain, low noise amplifier, oscillator, mixer and UHF converters. Features: ft = 1.2 GHz (typ) at 5 mA/6V
Mechanical Specifications
Metallization Bonding Pad Size Die Thickness Chip Area Top Surface Top Backside Emitter Base Al - 15 kÅ min. Au - 6.5 kÅ nom. 2.3 mils x 2.3 mils 2.3 mils x 2.3 mils 8 mils nominal 16 mils x 16 mils Silox Passivated
Electrical Characteristics
TA = 25oC
Parameter
BVCEO BVCBO BVEBO ICBO
Test conditions
IC = 3.0 mA IC = 1.0 µA IE = 10 µA VCB = 15 V
Min
15 30 2.5 ---
Max
------0.01
Unit
V dc V dc V dc µA dc
hFE IC = 3.0 mA dc, VCE = 1.0 V 30 150 --Due to limitations of probe testing, only dc parameters are tested. This must be done with pulse width of less than 300 µs, duty cycle less than 2%.
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