2SA1774E3TLQ

Single Bipolar Transistors Overview

The ROHM Semiconductor 2SA1774E3TLQ is a PNP general-purpose small signal amplifier transistor manufactured using silicon technology. It features a maximum collector-emitter voltage of -50 V and a continuous collector current rating of -150 mA. The device operates with a transition frequency of 140 MHz and maintains a power dissipation capacity of 150 mW. Packaged in the SOT-416 (EMT3) surface-mount format, it provides a DC current gain range of 120 to 390 at -1 mA and -6 V.

Single Bipolar Transistors Feature Summary

• Provides excellent hFE linearity for stable amplification performance.
• Designed as a complementary component to specific NPN transistors including the 2SC5658 and 2SC4617 series.

Single Bipolar Transistors Applications

• General purpose small signal amplifier circuits

Single Bipolar Transistors Procurement Notes

Verify the exact ordering suffix against the official datasheet to confirm package type and tape specifications. Ensure the procurement matches the required hFE rank classification. Confirm that the application environment remains within standard operating limits and does not involve specific high-reliability automotive or medical equipment without prior consultation.

Single Bipolar Transistors Selection Notes

Select this component when a compact PNP transistor with defined hFE linearity is required for small signal applications. Consider its role as a complement to the specified NPN devices in push-pull configurations. Verify that the SOT-416 footprint aligns with the PCB layout constraints and that the thermal dissipation requirements fit within the 150 mW limit.

Single Bipolar Transistors Part Context

This part belongs to the 2SA1774E3 family, which shares characteristics with the 2SA2029, 2SA1774EB, 2SA1576UB, 2SA1576U3, and 2SA1037AK models. These components are grouped together in the manufacturer's documentation due to their shared general-purpose small signal amplifier capabilities and similar electrical profiles.

Single Bipolar Transistors Replacement Considerations

The 2SA1774EB and 2SA2029 are listed as related parts within the same product family documentation. Verify pinout compatibility and specific electrical tolerances before substituting these models in existing designs.

Single Bipolar Transistors FAQ

What is the typical output capacitance of the 2SA1774E3TLQ?

The typical output capacitance (Cob) is 4.0 pF, measured under conditions of Vcb = -12V, Ie = 0A, and f = 1MHz.

Is the 2SA1774E3TLQ suitable for automotive applications?

No, the standard 2SA1774E3 series is designated for ordinary electronic equipment. Automotive-grade versions require specific AEC-Q101 qualification suffixes not present in this standard designation.

How is the DC current gain classified for this component?

The DC current gain (hFE) is classified into ranks based on measurement at Vce = -6V and Ic = -1mA. Rank Q covers 120 to 270, while Rank R covers 180 to 390.