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BCX71K
45 V, 100 mA PNP general purpose transistor
10 July 2025
Product data sheet
1. General description
PNP general-purpose transistor in a small SOT23 Surface-Mounted Device (SMD) plastic package. NPN complement: BCX70K
2. Features and benefits
• Low current (max. 100 mA) • Low voltage (max. 45 V) • Low noise • AEC-Q101 qualified
3. Applications
• Low level, low noise, low frequency applications in hybrid circuits • General purpose switching and amplification
4. Quick reference data
Table 1. Quick reference data
Symbol
Parameter
VCEO
collector-emitter voltage
IC
collector current
hFE
DC current gain
Conditions open base
VCE = -5 V; IC = -2 mA; Tamb = 25 °C
Min Typ Max Unit
-
-
-45 V
-
-
380 -
-100 mA 630
5. Pinning information
Table 2.