BC517
NPN Darlington Transistor
• This device is designed for applications requiring extremely high current gain at currents to 1.0A.
• Sourced from process 05.
BC517 NPN Darlington Transistor
January 2005
1
TO-92
1. Collector 2. Base 3. Emitter
Absolute Maximum Ratings *
Ta = 25°C unless otherwise noted
Symbol Parameter Value Units
V
CEO
V
CBO
V
EBO
I
C
, T
T
J
STG
* These ratings are limiting values above which the serviceability of any semiconductor device may impaired.
NOTES:
1. These ratings are based on a maximum junction temperature of 150 degrees C.
2. These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Electrical Characteristics
Collector-Emitter Voltage 30 V
Collector-Base Voltage 40 V
Emitter-Base Voltage 10 V
Collector Current - Continuous 1.2 A
Operating and Storage Junction Temperature Range -55 ~ 150 °C
Ta = 25°C unless otherwise noted
Symbol Parameter Conditions Min. Max Units
Off Characteristics
V
(BR)CEO
V
(BR)CBO
V
(BR)EBO
I
CBO
On Characteristics *
h
FE
V
CE(sat)
V
BE(on)
Collector-Emitter Breakdown Voltage * IC = 2.0mA, IB = 0 30 V
Collector-Base Breakdown Voltage IC = 10µA, IE = 0 40 V
Emitter-Base Breakdown Voltage IE = 100nA, IC = 0 10 V
Collector Cut-off Current VCB = 30V, IE = 0 100 nA
DC Current Gain VCE = 2.0V, IC = 20mA 30,000
Collector-Emitter Saturation Voltage IC = 100mA, IB = 0.1mA 1 V
Base-Emitter On Voltage IC = 10mA, VCE = 5.0V 1.4 V
Thermal Characteristics
Ta = 25°C unless otherwise noted
Symbol Parameter Value Units
P
D
R
θJC
R
θJA
©2005 Fairchild Semiconductor Corporation
BC517 Rev. A
Total Device Dissipation
Derate above 25°C
625
5.0
Thermal Resistance, Junction to Case 83.3 °C/W
Thermal Resistance, Junction to Ambient 200 °C/W
1
mW
mW/°C
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Mechanical Dimensions
0.46
±0.10
4.58
+0.25
–0.15
BC517 NPN Darlington Transistor
TO-92
±0.20
4.58
±0.40
14.47
1.27TYP
[1.27
±0.20
3.86MAX
±0.10
1.02
+0.10
–0.05
0.38
1.27TYP
]
3.60
±0.20
[1.27
±0.20
]
0.38
+0.10
–0.05
(0.25)
(R2.29)
BC517 Rev. A
Dimensions in Millimeters
2
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Rev. I15
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