2SD1938FTL

Single Bipolar Transistors Overview

The Panasonic 2SD1938FTL is a silicon NPN epitaxial planar transistor in a Mini3-G1 (SOT-346) surface-mount package. It is rated for a collector-emitter voltage of 20 V and a continuous collector current of 300 mA, with a peak current capacity of 500 mA. The device features a low ON resistance of 1.0 Ω and a high forward current transfer ratio (hFE) ranging from 500 to 2500 depending on the rank. It operates within a junction temperature range up to 150 °C and complies with the RoHS Directive.

Single Bipolar Transistors Feature Summary

• Low ON resistance Ron
• High forward current transfer ratio hFE
• Mini type package allowing downsizing and automatic insertion

Single Bipolar Transistors Applications

• Low-voltage output amplification
• Muting circuits
• DC-DC converters

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix 'FTL' against the official Panasonic datasheet to confirm tape-and-reel packaging specifications. Confirm the active lifecycle status via the manufacturer's website, as the base model indicates maintenance or discontinuation phases. Ensure the required hFE rank matches the design requirements before procurement.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring compact surface-mount solutions with high gain characteristics. The Mini3-G1 package facilitates automated assembly and equipment miniaturization. Verify that the 20 V collector-emitter voltage rating aligns with the circuit's maximum operating conditions and thermal dissipation limits.

Single Bipolar Transistors Part Context

The 2SD1938 series consists of silicon NPN transistors designed for general-purpose low-voltage amplification. Manufactured by Panasonic Electronic Components, these devices utilize an epitaxial planar process. They are intended for standard electronic equipment such as office machines, communications gear, and household appliances.

Single Bipolar Transistors Replacement Considerations

Consult the official Panasonic replacement guide for verified substitute part numbers. Cross-reference pinouts and electrical ratings when considering alternative manufacturers.

Single Bipolar Transistors FAQ

What is the minimum guaranteed forward current transfer ratio (hFE)?

The minimum guaranteed hFE is 500, with higher ranks available up to 2500.

What is the maximum collector power dissipation?

The maximum collector power dissipation is 200 mW at an ambient temperature of 25 °C.

Does the 2SD1938 comply with environmental directives?

Yes, the product complies with the RoHS Directive (EU 2002/95/EC).