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Product Detailed Parameters
- Description：TRANS NPN 45V 0.1A TO-236AB
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：550mV @ 1.25mA, 50mA
- Current - Collector Cutoff (Max)：20nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：380 @ 2mA, 5V
- Power - Max：250 mW
- Frequency - Transition：250MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：TO-236AB
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BCX70K,215 is an NPN general-purpose silicon transistor manufactured by Nexperia. It is housed in a SOT-23 (TO-236AB) surface-mount package with three leads. The device supports a maximum collector-emitter voltage of 45 V and a continuous collector current of 100 mA. Key electrical characteristics include a DC current gain (hFE) ranging from 380 to 630 at IC = 2 mA, and a transition frequency (fT) between 100 MHz and 250 MHz at IC = 10 mA. Thermal resistance from junction to ambient is 500 K/W.
Feature Summary
- NPN bipolar junction transistor designed for low-voltage switching and amplification applications.
Applications
- General purpose switching
- General purpose amplification
Procurement Notes
Verify the ordering suffix
Selection Notes
Select this component when high DC current gain is required for low-current signal processing or switching tasks. The BCX70K variant offers significantly higher hFE compared to G, H, or J subtypes. Ensure the design accommodates the 45 V voltage limit and 250 mW power dissipation capability within the specified operating temperature range of -65 °C to +150 °C.
Part Context
This part belongs to the BCX70 series of NPN general-purpose transistors. It serves as the high-gain variant within the lineup, complemented by lower-gain options like BCX70G, BCX70H, and BCX70J. The PNP complement for this series is the BCX71 series. All variants share identical physical dimensions and pin configurations.
Replacement Considerations
Direct functional substitutes within the same series include BCX70G, BCX70H, and BCX70J, though their DC current gains differ significantly. Verify that the replacement's hFE range meets the specific circuit requirements before substitution.
FAQ
What is the marking code for the BCX70K?
The marking code for the BCX70K is AK.
What is the typical DC current gain for the BCX70K?
The DC current gain (hFE) ranges from 380 to 630 when measured at IC = 2 mA and VCE = 5 V.
What is the thermal resistance of the BCX70K?
The thermal resistance from junction to ambient (Rth(j-a)) is 500 K/W when mounted on an FR4 printed-circuit board.
