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Product Detailed Parameters
- Description：TRANS NPN 80V 1A SOT-89
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：1:00 AM
- Voltage - Collector Emitter Breakdown (Max)：80 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 150mA, 2V
- Power - Max：1.3 W
- Frequency - Transition：130MHz
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：SOT-89
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp BCX56 BK is an NPN silicon surface-mount transistor manufactured via the epitaxial planar process. It is housed in a SOT-89 (SC-62) package and designed for high-current general-purpose amplifier applications. Key absolute maximum ratings include a collector-emitter voltage of 80 V, continuous collector current of 1.0 A, peak collector current of 1.5 A, and power dissipation of 1.3 W at 25°C ambient temperature. The device features a thermal resistance of 96 °C/W and operates within a junction temperature range of -65 to +150 °C.
Feature Summary
- Epitaxial planar construction for robust performance
- High current capability with 1.0 A continuous rating
- Surface mount SOT-89 packaging for automated assembly
Applications
- General purpose amplifiers
- Linear voltage regulators
- MOSFET drivers
- Low-side switches
Procurement Notes
This specific part number is classified as End of Life by the manufacturer. No direct replacement from Central Semiconductor is currently available. Procurement should focus on verifying stock availability through authorized distributors or exploring alternative sources for equivalent specifications. Contact engineering support for technical data regarding potential substitutes.
Selection Notes
Select this component for designs requiring an NPN transistor with 80 V collector-emitter voltage and 1.0 A continuous current handling in a compact surface-mount form factor. Ensure the application circuit can accommodate the specified thermal resistance and power dissipation limits under expected operating conditions.
Part Context
The BCX56 belongs to a series of NPN silicon transistors that includes the BCX54 and BCX55 variants. These devices share similar physical characteristics but differ in breakdown voltage ratings. The BCX56 specifically offers the highest voltage tolerance within this group, making it suitable for higher voltage switching and amplification tasks compared to its lower-rated counterparts.
Replacement Considerations
No official replacement part numbers are listed by the manufacturer for this discontinued item. Users must identify third-party equivalents based on matching electrical parameters such as 80V VCEO, 1A IC, and SOT-89 package compatibility.
FAQ
What is the marking code for the BCX56 BK?
The device marking code for the BCX56-10 variant in the BK suffix configuration is 'BK'.
What is the typical DC current gain (hFE) range?
At VCE=2.0V and IC=150mA, the hFE ranges from 63 to 250. For the -10 sub-type, it is 63 to 160, and for the -16 sub-type, it is 100 to 250.
Is this component lead-free?
Yes, standard production is lead-free. Tin/Lead plating options are available upon request by adding a specific suffix during ordering.
