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Product Detailed Parameters
- Description：500MA 40V TH TRANSISTOR-SMALL SI
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Box (TB)
- Transistor Type：NPN - Darlington
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：40 V
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：20000 @ 100mA, 5V
- Power - Max：625 mW
- Frequency - Transition：130MHz
- Operating Temperature：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp 2N6427 APM PBFREE is an NPN Darlington transistor designed for through-hole mounting. It features a maximum collector-emitter voltage of 40V and a continuous collector current of 500mA. The device offers a transition frequency of 130MHz and a power dissipation rating of 625mW. Packaged in TO-92, it provides high DC current gain suitable for switching and amplification applications requiring robust output capability.
Feature Summary
- High current handling capability with 500mA collector current
- Integrated Darlington configuration for elevated gain
- Through-hole TO-92 package for reliable board mounting
Applications
- General-purpose switching circuits
- Low-power amplifier stages
- Driver circuits for loads up to 500mA
Procurement Notes
Verify the specific suffix 'APM' against the manufacturer's official datasheet to confirm tin/lead plating specifications and RoHS compliance status. Ensure the procurement channel sources directly from authorized distributors or Central Semiconductor to guarantee component authenticity and traceability. Confirm that the TO-92 package dimensions match the design requirements before finalizing orders.
Selection Notes
Select this component when a single NPN device must handle moderate currents without external drive transistors. The 40V rating limits suitability for higher voltage rails. Consider the 625mW thermal limit and ensure adequate heatsinking or PCB copper area is allocated. Compare transition frequency requirements against the 130MHz specification for high-speed signal integrity.
Part Context
This part belongs to the Central Semiconductor 2N6427 series of NPN Darlington transistors. The 'APM' designation typically indicates specific lead finish or packaging attributes within the manufacturer's lineup. It serves as a discrete semiconductor solution for analog and digital control applications where high input impedance and substantial output current are required simultaneously.
Replacement Considerations
Consult official substitution guides for equivalents such as the generic 2N6427 or compatible Darlington pairs like the BD139 if pinout compatibility allows. Verify that replacement parts meet the 40V Vceo and 500mA Ic ratings. Cross-reference TO-92 pinouts to prevent circuit damage during installation.
