2SB1218AQL

Single Bipolar Transistors Overview

The Panasonic 2SB1218AQL is a silicon PNP epitaxial planar transistor designed for general amplification. It features an S-Mini (SC-70) package with a collector-emitter voltage of -45V and a continuous collector current of -100mA. The device offers a transition frequency of 80MHz and a forward current transfer ratio ranging from 160 to 460 depending on the rank. It is RoHS compliant and serves as a complementary component to the 2SD1819A.

Single Bipolar Transistors Feature Summary

• High forward current transfer ratio hFE
• S-Mini type package allowing downsizing of equipment
• Supports automatic insertion through tape packing and magazine packing

Single Bipolar Transistors Applications

• General amplification circuits
• Office equipment
• Communications equipment
• Measuring instruments
• Household appliances

Single Bipolar Transistors Procurement Notes

Verify the specific hFE rank (Q, R, S, or B) required for your circuit design, as the datasheet defines distinct gain ranges for each marking symbol. Confirm that the SC-70 footprint matches your PCB layout. Check the official Panasonic semiconductor website for the latest lifecycle status, as this component may be subject to maintenance or discontinuation plans.

Single Bipolar Transistors Selection Notes

Select the appropriate hFE rank based on the required signal amplification level. Ensure the operating conditions remain within the absolute maximum ratings, specifically the -45V collector-emitter voltage and -100mA collector current limits. Consider the thermal dissipation capabilities relative to the ambient temperature when designing the heat management strategy.

Single Bipolar Transistors Part Context

This component belongs to the Panasonic 2SB1218 series of small-signal transistors. It utilizes a silicon PNP epitaxial planar structure housed in a compact S-Mini3-G1 package. The device is engineered for low-power applications requiring high reliability and standard electronic equipment compatibility.

Single Bipolar Transistors Replacement Considerations

The 2SD1819A is documented as the complementary NPN transistor for this series. Verify pinout compatibility and electrical characteristics before substituting with other SC-70 packaged PNP transistors.

Single Bipolar Transistors FAQ

What are the available hFE ranks for the 2SB1218A?

The device is available in four ranks: Q (160 to 260), R (210 to 340), S (290 to 460), and B (160 to 460).

Is the 2SB1218A suitable for aerospace applications?

No. The datasheet specifies it is intended for standard applications such as office and communications equipment. Special applications like aerospace require consultation with sales staff.

What is the maximum junction temperature for this transistor?

The maximum junction temperature (Tj) rating is 150°C.