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DISCRETE SEMICONDUCTORS
DATA SHEET
book, halfpage
M3D186
BC237; BC237B
NPN general purpose transistors
Product specification |
1997 Sep 04 |
Supersedes data of 1997 Mar 06
File under Discrete Semiconductors, SC04
Philips Semiconductors |
Product specification |
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NPN general purpose transistors |
BC237; BC237B |
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FEATURES
∙Low current (max. 100 mA)
∙Low voltage (max. 45 V).
APPLICATIONS
∙ General purpose switching and amplification.
DESCRIPTION
NPN transistor in a TO-92; SOT54 plastic package. PNP complements: BC307; BC307B.
QUICK REFERENCE DATA
PINNING
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DESCRIPTION |
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emitter |
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2 |
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base |
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3 |
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collector |
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handbook, halfpage1 |
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MAM182 |
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Fig.1 |
Simplified outline (TO-92; SOT54) |
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and symbol. |
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SYMBOL |
PARAMETER |
CONDITIONS |
MIN. |
MAX. |
UNIT |
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VCBO |
collector-base voltage |
open emitter |
− |
50 |
V |
VCEO |
collector-emitter voltage |
open base |
− |
45 |
V |
ICM |
peak collector current |
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− |
200 |
mA |
Ptot |
total power dissipation |
Tamb ≤ 25 °C |
− |
500 |
mW |
hFE |
DC current gain |
IC = 2 mA; VCE = 5 V |
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BC237 |
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120 |
460 |
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BC237B |
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200 |
460 |
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fT |
transition frequency |
IC = 10 mA; VCE = 5 V; f = 100 MHz |
100 |
− |
MHz |
1997 Sep 04 |
2 |
Philips Semiconductors |
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Product specification |
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NPN general purpose transistors |
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BC237; BC237B |
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LIMITING VALUES |
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In accordance with the Absolute Maximum Rating System (IEC 134). |
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SYMBOL |
PARAMETER |
CONDITIONS |
MIN. |
MAX. |
UNIT |
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VCBO |
collector-base voltage |
open emitter |
− |
50 |
V |
VCEO |
collector-emitter voltage |
open base |
− |
45 |
V |
VEBO |
emitter-base voltage |
open collector |
− |
6 |
V |
IC |
collector current (DC) |
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− |
100 |
mA |
ICM |
peak collector current |
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− |
200 |
mA |
IBM |
peak base current |
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− |
200 |
mA |
Ptot |
total power dissipation |
Tamb ≤ 25 °C; note 1 |
− |
500 |
mW |
Tstg |
storage temperature |
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−65 |
+150 |
°C |
Tj |
junction temperature |
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− |
150 |
°C |
Tamb |
operating ambient temperature |
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−65 |
+150 |
°C |
Note
1. Transistor mounted on an FR4 printed-circuit board.
THERMAL CHARACTERISTICS
SYMBOL |
PARAMETER |
CONDITIONS |
VALUE |
UNIT |
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Rth j-a |
thermal resistance from junction to ambient |
note 1 |
250 |
K/W |
Note |
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1. Transistor mounted on an FR4 printed-circuit board.
1997 Sep 04 |
3 |
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