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.
Product Summary:
Part Numbers:
2N2857
,
2N2857UB
, SD2857, SD2857F,
SQ2857, SQ2857F
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
Top
Al - 15 k min.
Backside
Au - 6.5 k nom.
Emitter
2.3 mils x 2.3 mils
Base
2.3 mils x 2.3 mils
Die Thickness
Chip Area
Top Surface
16 mils x 16 mils
Silox Passivated
Mechanical Specifications
Metallization
Bonding Pad Size
8 mils nominal
Parameter
Test conditions
Min
Max
Unit
BV
CEO
I
C
= 3.0 mA
15
---
V dc
BV
CBO
I
C
= 1.0 A
30
---
V dc
BV
EBO
I
E
= 10 A
2.5
---
V dc
I
CBO
V
CB
= 15 V
---
0.01
A dc
h
FE
I
C
= 3.0 mA dc, V
CE
= 1.0 V
30
150
---
Electrical Characteristics
T
A
= 25
o
C
Due to limitations of probe testing, only dc parameters are tested. This must be done with pulse width of less
than 300 s, duty cycle less than 2%.
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