English
Language : 

2C2857 Datasheet, PDF (1/1 Pages) Semicoa Semiconductor – Chip Type 2C2857 Geometry 0011 Polarity NPN
Chip Type 2C2857
Geometry 0011
Polarity NPN
Data Sheet No. 2C2857
Generic Packaged Part:
2N2857
Chip type 2C2857 by Semicoa Semi-
conductors 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, os-
cillator, mixer and UHF converters.
Features: ft = 1.2 GHz (typ) at 5 mA/6V
Metallization
Bonding Pad Size
Die Thickness
Chip Area
Top Surface
Mechanical Specifications
Top
Al - 15 kÅ min.
Backside
Au - 6.5 kÅ nom.
Emitter
2.3 mils x 2.3 mils
Base
2.3 mils x 2.3 mils
8 mils nominal
16 mils x 16 mils
Silox Passivated
Electrical Characteristics
TA = 25oC
Parameter
Test conditions
Min
Max
Unit
BVCEO
IC = 3.0 mA
15
---
V dc
BVCBO
IC = 1.0 µA
30
---
V dc
BVEBO
IE = 10 µA
2.5
---
V dc
ICBO
VCB = 15 V
---
0.01
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%.