NPN BCY58 – BCY59
SILICON PLANAR EPITAXIAL TRANSISTORS
The BCY58 and BCY59 are NPN transistors mounted in TO-18 metal package with the collector
connected to the case .
They are designed for use in audio drive and low-noise input stages.
Compliance to RoHS.
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CEO
V
CES
V
EBO
I
C
I
B
P
D
P
D
T
J
T
Stg
Ratings
Collector-Emitter Voltage
(1)
Collector-Emitter Voltage (
V
BE
=0)
Emitter-Base Voltage
Collector Current
Base Current
Total Power Dissipation
Total Power Dissipation
Junction Temperature
Storage Temperature range
@ T
amb
= 45°
@ T
case
= 45°
BCY59
BCY58
BCY59
BCY58
BCY59
BCY58
BCY59
BCY58
BCY59
BCY58
BCY59
BCY58
BCY59
BCY58
BCY59
BCY58
BCY59
BCY58
Value
45
32
45
32
7
7
200
50
0.39
1
200
-65 to +150
Unit
V
V
V
mA
mA
mW
Watts
°C
°C
(1) Applicable up to I
C
= 500mA
THERMAL CHARACTERISTICS
Symbol
R
thJ-a
R
thJ-c
Ratings
Thermal Resistance, Junction to mounting
base
Thermal Resistance, Junction to ambient in
free air
BCY59
BCY58
BCY59
BCY58
Value
450
150
Unit
°C/W
°C/W
COMSET SEMICONDUCTORS
1/4
NPN BCY58 – BCY59
MECHANICAL DATA CASE TO-18
DIMENSIONS
mm
A
B
D
E
F
G
H
I
L
Pin 1 :
Pin 2 :
Pin 3 :
12,7
0,49
5,3
4,9
5,8
2,54
1,2
1,16
45°
inches
0,5
0,019
0,208
0,193
0,228
0,1
0,047
0,045
45°
emitter
base
Collector
Information furnished is believed to be accurate and reliable. However, CS assumes no responsability
for the consequences of use of such information nor for errors that could appear.
Data are subject to change without notice.
COMSET SEMICONDUCTORS
4/4
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