Diodes Incorporated DDA124EUQ-13-F

Overview

DDA124EUQ-13-F from Diodes Incorporated is a dual PNP pre-biased transistor in SOT363 package, featuring integrated 22 kΩ base-emitter resistors (R1 = R2 = 22 kΩ), −50 V V_CBO/V_CEO, −0.3 V V_CE(sat) at −2.5 mA/−0.25 mA, and AEC-Q101 qualification for automotive use in signal switching and level translation circuits.

For engineers reviewing the DDA124EUQ-13-F datasheet, DDA124EUQ-13-F pinout, DDA124EUQ-13-F application, or DDA124EUQ-13-F equivalent, this device serves as a space-saving, bias-resistor-equipped dual PNP switch optimized for low-power logic interfacing, LED driver enable control, and I/O buffering in automotive body electronics and industrial control modules.

Technical Context

This dual PNP transistor integrates two identical epitaxial planar transistors with matched on-chip bias resistors (R1 = R2 = 22 kΩ) to eliminate external base resistors. Each channel supports −100 mA max output current and operates over −55°C to +150°C.

The device uses a common-emitter configuration per channel with emitter-connected internally to Pin 3 and Pin 6, enabling independent switching with single-input drive. Its −0.3 V saturation voltage at −2.5 mA/−0.25 mA ensures low power loss in active switching applications.

Key Specifications

Pinout & Package

Package: SOT363 - 6-pin, surface-mount, lead-free, halogen-free molded plastic package with 0.65 mm pitch; moisture sensitivity level 1 per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual PNP pre-biased transistor applications.

Compared with DDA124EUQ-13-F, DDA124EU-7-F offers identical electrical performance in smaller packaging, while DDA144EUQ-13-F trades lower base current for reduced gain and slower switching edge rates - making the former ideal for volume production and the latter for low-power, high-impedance interfaces.

Availability

DDA124EUQ-13-F is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input conditioning, and LED driver enable control requiring stable component supply, AEC-Q101 traceability, and long-term lifecycle support.

Supply support for DDA124EUQ-13-F includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for automotive, industrial, and computing markets with ISO/TS 16949 and IATF 16949 certified facilities.

This part belongs to Diodes' DDA-series pre-biased transistor family, engineered specifically for automotive signal switching and logic interface applications where space, reliability, and qualification compliance are critical design constraints.

FAQ

What is the maximum continuous collector current per channel for DDA124EUQ-13-F?

The absolute maximum collector current per channel is −100 mA, but the recommended operating limit is −30 mA per channel to maintain V_CE(sat) ≤ −0.3 V and ensure thermal stability within the 200 mW total package power dissipation rating at +25°C ambient.

Is DDA124EUQ-13-F pin-compatible with DDC124EUQ-13-F?

No - DDA124EUQ-13-F is a dual PNP device, while DDC124EUQ-13-F is its complementary dual NPN counterpart. Their pinouts are mirrored: DDA uses Pins 1/2/3 for first PNP and 4/5/6 for second, whereas DDC assigns Pins 1/2/3 to first NPN and 4/5/6 to second, requiring schematic and layout changes for substitution.

Does DDA124EUQ-13-F require external base resistors?

No - it integrates two 22 kΩ base-emitter bias resistors (R1 and R2), eliminating the need for external resistors in standard common-emitter switching configurations. This reduces component count, improves board density, and ensures matched biasing across both channels.

What is the meaning of the "Q" suffix in DDA124EUQ-13-F?

The "Q" denotes AEC-Q101 qualification - confirming that the device has passed stress tests for automotive-grade reliability, including high-temperature operating life, temperature cycling, and ESD robustness, and is manufactured in IATF 16949 certified facilities with PPAP documentation support.