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2SD16400R is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Panasonic Electronic Components. Its product description is TRANS NPN DARL 100V 2A TO126B-A1. Review the specifications below when checking this part for your BOM.
The Panasonic 2SD1640R is a silicon NPN epitaxial planar type Darlington transistor designed for low-frequency output amplification. It features a collector current rating of 2A and a peak collector current of 3A, with a maximum collector-emitter voltage (VCEO) of 100V. The device offers a high forward current transfer ratio (hFE) ranging from 4,000 to 40,000 depending on the rank classification. It operates within an ambient temperature range of -55°C to +150°C and utilizes a TO-126B-A1 package.
Verify the specific hFE rank (Q, R, or S) required for your application against the datasheet specifications. Confirm that the component lifecycle status aligns with long-term production needs, as maintenance or discontinuation notices may apply. Ensure compliance with RoHS directives if applicable to your manufacturing standards.
Select this component when high gain is necessary in a low-frequency power amplification context. Consider the thermal resistance characteristics and the need for heat sinking at higher ambient temperatures. Verify that the 100V VCEO rating provides sufficient margin for your circuit's operating voltage and potential transients.
This part belongs to the 2SD1640 series of NPN Darlington transistors manufactured by Panasonic Electronic Components. It is housed in a TO-126B-A1 package, which is distinct from standard TO-92 or TO-220 form factors. The 'R' suffix typically denotes a specific tape and reel packaging configuration for automated assembly.
Public confirmed substitute part numbers are not available in the provided documentation.
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