Diodes Incorporated DDA114EU-7-F

Overview

DDA114EU-7-F from Diodes Incorporated is a PNP pre-biased dual transistor in SOT363 package, featuring integrated 10 kΩ base-emitter and 10 kΩ base-collector bias resistors. It delivers −50 mA output current capability, −0.3 V typical V_CE(sat) at −10 mA/−0.5 mA drive, and operates across −55°C to +150°C for automotive and industrial logic interface applications.

For engineers reviewing the DDA114EU-7-F datasheet, DDA114EU-7-F pinout, DDA114EU-7-F application, or DDA114EU-7-F equivalent, this device serves as a compact, RoHS-compliant, dual-channel level-shifting switch with verified AEC-Q101 qualification (Q-grade variant), precise resistor ratio tolerance (±20%), and validated thermal performance up to 200 mW total dissipation.

Technical Context

This dual PNP transistor integrates two identical pre-biased elements in a single SOT363 package, each with matched R1 = R2 = 10 kΩ ±30% bias resistors and guaranteed −50 V V_CEO breakdown. Its design targets low-power digital switching where input logic levels must be translated to higher-voltage loads without external bias components.

The device exhibits −0.5 μA I_CBO at −50 V, −0.3 V V_CE(sat) under −10 mA collector current, and 30 dB current gain (G_L) at −5 mA output - enabling reliable saturation in 3.3 V/5 V microcontroller-driven load control circuits.

Key Specifications

Pinout & Package

Package: SOT363 - 6-pin, surface-mount, lead-free, halogen-free molded plastic package with 0.65 mm pitch, UL 94V-0 rating, and moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DDA114YU-7-F and DDA124EU-7-F, DDA114EU-7-F offers optimal balance of drive strength (−0.88 mA I_L), low saturation loss (−0.3 V), and matched channel behavior - making it ideal for cost-sensitive, space-constrained dual-switch applications requiring predictable turn-on across temperature.

Availability

DDA114EU-7-F is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, consumer appliance motor logic, and medical valve driver circuits requiring stable component supply, long-term lifecycle support, and AEC-Q101 traceability.

Supply support for DDA114EU-7-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, energy-efficient components for automotive, industrial, and computing markets.

This device belongs to the DDA series of pre-biased transistors designed specifically for reducing design complexity in digital interface and load-switching applications - emphasizing integration, qualification, and environmental compliance.

FAQ

What is the maximum continuous collector current per channel for DDA114EU-7-F?

The absolute maximum rated output current is −50 mA per channel under steady-state conditions. Electrical characteristics confirm −50 mA operation with −0.3 V V_CE(sat) at −10 mA/−0.5 mA drive, and thermal limits allow full dual-channel use up to 200 mW total dissipation on FR-4 PCBs with recommended pad layout.

Is DDA114EU-7-F qualified for automotive applications?

The DDA114EU-7-F itself is not AEC-Q101 qualified; however, its Q-grade counterpart DDA114EUQ-7-F is fully AEC-Q101 qualified, PPAP-capable, and manufactured in IATF 16949 certified facilities. The base part shares identical die and package but lacks automotive change control documentation.

How does the internal resistor network affect input drive requirements?

With R1 = R2 = 10 kΩ, the device draws −0.88 mA input current at −5 V input, enabling direct interfacing with 3.3 V and 5 V CMOS outputs. The −1.1 V V_IN(on) threshold ensures reliable turn-on with standard logic high levels while maintaining noise margin against spurious low-voltage transients.

Can DDA114EU-7-F replace discrete PNP transistors and bias resistors in existing designs?

Yes - it replaces two discrete PNP transistors plus four external bias resistors (two per channel). Pin-compatible replacement requires verifying SOT363 footprint compatibility and confirming that the −50 V V_CEO, −50 mA I_O, and −0.3 V V_CE(sat) meet or exceed original design margins for voltage, current, and thermal performance.