DATA SHEET
BCY58, VII, VIII, IX, X
BCY59, VII, VIII, IX, X
NPN SILICON TRANSISTOR
JEDEC TO-18 CASE
DESCRIPTION
The CENTRAL SEMICONDUCTOR BCY58, BCY59 Series types are Silicon NPN Epitaxial Planar Transistors,
mounted in a hermetically sealed metal case, designed for low noise amplifier and switching applications.
MAXIMUM RATINGS (TA=25°C unless otherwise noted)
SYMBOL
Collector-Base Voltage
VCBO
Collector-Emitter Voltage
VCEO
Emitter-Base Voltage
VEBO
Collector Current
IC
Collector Current (Peak)
ICM
Base Current (Peak)
IBM
Power Dissipation
PD
Power Dissipation(TC=25°C)
PD
Operating and Storage
Junction Temperature
TJ,Tstg
Thermal Resistance
Θ
JA
Thermal Resistance
Θ
JC
ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise noted)
SYMBOL
TEST CONDITIONS
ICBO
VCB= Rated VCBO
ICBO
VCB= Rated VCBO, TA=150°C
IEBO
VEB=5.0V
BVCBO
IC=10µA (BCY58)
BVCBO
IC=10µA (BCY59)
BVCEO
IC=2.0mA (BCY58)
BVCEO
IC=2.0mA (BCY59)
BVEBO
IE=1.0µA
VCE(SAT)
IC=10mA, IB=250µA
VCE(SAT)
IC=100mA, IB=2.5mA
IC=10mA, IB=250µA
VBE(SAT)
VBE(SAT)
IC=100mA, IB=2.5mA
BCY58-VII
BCY59-VII
MIN
MAX
20 TYP
120
220
80
40
BCY58-VIII
BCY59-VIII
MIN
MAX
20
180
310
120
400
45
BCY58
32
32
7.0
100
200
200
340
1.0
-65 to +200
450
150
BCY59
45
45
UNITS
V
V
V
mA
mA
mA
mW
W
°C
°C/W
°C/W
MIN
MAX
10
10
10
32
45
32
45
7.0
0.35
0.70
0.85
1.20
BCY58-X
BCY59-X
MIN
MAX
100
380
630
240
1000
60
0.60
0.75
BCY58-IX
BCY59-IX
MIN
MAX
40
250
460
160
630
60
UNITS
nA
µA
nA
V
V
V
V
V
V
V
V
V
SYMBOL
hFE
hFE
hFE
hFE
TEST CONDITIONS
VCE=5.0V, IC=10µA
VCE=5.0V, IC=2.0mA
VCE=1.0V, IC=10mA
VCE=1.0V, IC=100mA
(SEE REVERSE SIDE)
R1
BCY58/BCY59
NPN SILICON TRANSISTOR
ELECTRICAL CHARACTERISTICS Continued
SYMBOL
fT
Cob
Cib
NF
ton
td
tr
toff
ts
tf
ton
td
tr
toff
ts
tf
TEST CONDITIONS
VCE=5.0V, IC=10mA, f=100MHz
VCB=10V, IE=0, f=1.0MHz
VEB=0.5V, IC=0, f=1.0MHz
VCE=5.0V, IC=200µA, RS=2kΩ, f=1.0kHz, B=200Hz
VCC=10V, IC=10mA, IB1=-IB2=1.0mA
VCC=10V, IC=10mA, IB1=-IB2=1.0mA
VCC=10V, IC=10mA, IB1=-IB2=1.0mA
VCC=10V, IC=10mA, IB1=-IB2=1.0mA
VCC=10V, IC=10mA, IB1=-IB2=1.0mA
VCC=10V, IC=10mA, IB1=-IB2=1.0mA
VCC=10V, IC=100mA, IB1=-IB2=10mA
VCC=10V, IC=100mA, IB1=-IB2=10mA
VCC=10V, IC=100mA, IB1=-IB2=10mA
VCC=10V, IC=100mA, IB1=-IB2=10mA
VCC=10V, IC=100mA, IB1=-IB2=10mA
VCC=10V, IC=100mA, IB1=-IB2=10mA
MIN
150
TYP
MAX
5.0
15
10
150
UNITS
MHz
pF
pF
dB
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
85
35
50
450
400
80
55
5.0
50
450
250
200
800
150
800
TO-18 PACKAGE - MECHANICAL OUTLINE
A
B
D
C
E
SYMBOL
A (DIA)
B (DIA)
C
D
E
F (DIA)
G (DIA)
H
I
J
DIMENSIONS
INCHES
MILLIMETERS
MIN
MAX
MIN
MAX
0.209 0.230 5.31
5.84
0.178 0.195 4.52
4.95
-
0.030
-
0.76
0.170 0.210 4.32
5.33
0.500
-
12.70
-
0.016 0.019 0.41
0.48
0.100
2.54
0.050
1.27
0.036 0.046 0.91
1.17
0.028 0.048 0.71
1.22
TO-18 (REV: R1)
F
LEAD #2
LEAD #1
G
H
LEAD #3
I
45°
J
R1