Diodes Incorporated DDTC113ZUA-7-F

Overview

DDTC113ZUA-7-F from Diodes Incorporated is a 50V NPN pre-biased transistor in SOT323 package, featuring integrated 1kΩ and 10kΩ bias resistors (R1/R2), 100mA max output current, 200mW power dissipation, and V_IN(on) ≤ 3.0V at I_OUT = 20mA. It serves as a compact, surface-mount logic-level switch in low-power digital interface circuits.

For engineers reviewing the DDTC113ZUA-7-F datasheet, DDTC113ZUA-7-F pinout, DDTC113ZUA-7-F application, or DDTC113ZUA-7-F equivalent, key selection criteria include input voltage threshold (≤3.0V), guaranteed DC current gain (G_L ≥ 33), R1/R2 tolerance (±30% / ±20%), thermal resistance (625°C/W), and AEC-Q200 readiness for automotive signal conditioning.

Technical Context

This device integrates an NPN transistor with two discrete on-chip biasing resistors (R1 = 1kΩ, R2 = 10kΩ) to eliminate external base drive components. Its epitaxial planar die construction ensures stable gain and switching behavior across -55°C to +150°C operating range.

The resistor network enables direct TTL/CMOS-compatible input drive: V_IN(off) ≤ 0.3V guarantees cutoff, while V_IN(on) ≤ 3.0V ensures saturation at I_OUT = 20mA with V_OUT(on) ≤ 0.3V - critical for low-voltage level translation and LED driver staging.

Key Specifications

Pinout & Package

Package: SOT323 - ultra-small surface-mount plastic package (2.15mm × 2.10mm × 0.95mm), moisture sensitivity level 1, matte tin-plated leads, UL 94V-0 rated.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DDTC123YUA-7-F and NSVD113ZWT1G, DDTC113ZUA-7-F offers optimal balance of low-voltage drive compatibility (≤3.0V), automotive-grade reliability, and thermal headroom (200mW) - making it preferred for 3.3V embedded control and automotive body electronics.

Availability

DDTC113ZUA-7-F is available at Aetrix Electronics and suitable for LED driver staging, microcontroller GPIO expansion, and automotive door module inputs requiring stable component supply and long-term production continuity.

Supply support for DDTC113ZUA-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 components for automotive, industrial, and computing markets.

This part belongs to the DDTC (R1≠R2 Series) pre-biased transistor family, engineered for simplified digital interface design in space- and cost-sensitive applications where consistent switching performance and qualification compliance are essential.

FAQ

What is the maximum continuous collector current for DDTC113ZUA-7-F?

The absolute maximum collector current is 100mA under normal operating conditions. This rating assumes ambient temperature ≤ +25°C and proper PCB thermal relief; derating is required above +25°C per the 625°C/W thermal resistance curve, with full derating to zero at +150°C junction temperature.

Can DDTC113ZUA-7-F be used with 1.8V logic inputs?

No - its V_IN(on) specification is ≤3.0V at I_OUT = 20mA, and typical input threshold is ~2.2V. At 1.8V, base drive is insufficient to guarantee saturation; use DDTC114WUA-7-F (V_IN(on) ≤ 3.0V at 2mA) or discrete biasing for true 1.8V compatibility.

Is DDTC113ZUA-7-F qualified to AEC-Q200?

Yes - Diodes Incorporated states this device is manufactured in IATF 16949 certified facilities and supports PPAP for automotive applications. While not explicitly listed as AEC-Q200 tested in DS30322 Rev. 11-2, its construction, test flow, and qualification path align with AEC-Q200 stress requirements for passive components and discrete transistors.

What does the "-7-F" suffix indicate in DDTC113ZUA-7-F?

The "-7-F" suffix denotes tape-and-reel packaging: 3,000 units per 7-inch reel, 8mm tape width, with RoHS-compliant, halogen-free "Green" molding compound and matte tin-plated leads meeting MIL-STD-202 solderability standards.