Diodes Incorporated DT2042-04TS-7

Overview

DT2042-04TS from Diodes Incorporated is a 4-channel, low-capacitance TVS diode array designed for ESD protection of high-speed data lines. It features 1.2 pF typical channel capacitance, 6 V minimum breakdown voltage, ±30 kV IEC 61000-4-2 contact/air ESD rating, and 9 V clamping voltage at 10 A, making it suitable for USB 2.0, HDMI, and SIM port interfaces.

For engineers reviewing the DT2042-04TS datasheet, DT2042-04TS pinout, DT2042-04TS application, or DT2042-04TS equivalent, key selection criteria include low signal-line capacitance (<1.5 pF), robust ±30 kV ESD immunity, 4-channel integration in TSOT26, dynamic resistance under 0.3 Ω, and compatibility with 5.5 V DC operating voltage systems.

Technical Context

This device implements a monolithic silicon avalanche diode array with four bidirectional ESD protection paths between I/O pins and VSS. Each channel provides symmetrical clamping with 6 V nominal breakdown and sub-10 V clamping at 10 A (8/20 µs), enabling fast transient suppression without signal distortion.

The TSOT26 package supports high-density PCB layouts while maintaining thermal resistance of 417 °C/W. Its 0.25 Ω TLP dynamic resistance ensures minimal voltage overshoot during ESD events, and the 1.2 pF input capacitance preserves signal integrity on 480 Mbps USB 2.0 and 1.65 Gbps HDMI 1.3a channels.

Key Specifications

Pinout & Package

Package: TSOT26 - ultra-thin, lead-free surface-mount package with 6 terminals, 0.013 g mass, and UL 94V-0 flammability rating.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar TVS diode array applications.

Compared with SP1006-04UTG and ESD5Z4.5T5G, DT2042-04TS offers optimal balance of 1.2 pF capacitance, 9 V clamping, and quad integration in TSOT26-making it ideal for space-constrained, cost-sensitive USB/HDMI/SIM designs requiring proven ±30 kV immunity.

Availability

DT2042-04TS is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.3a port hardening, and SIM card slot ESD mitigation requiring stable component supply and full RoHS/Green compliance.

Supply support for DT2042-04TS 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 protection, power management, and signal integrity solutions for consumer, computing, and industrial markets.

The DT2042-04TS belongs to Diodes' advanced TVS diode array product line, engineered specifically for high-speed digital interface protection where low capacitance, precise clamping, and multi-channel integration are essential.

FAQ

What is the maximum operating temperature range for DT2042-04TS?

The DT2042-04TS is rated for junction temperatures from −65 °C to +150 °C and storage temperatures over the same range. Its thermal resistance (R_θJA) is 417 °C/W on a standard FR-4 PCB with Diodes' recommended AP02001 pad layout, enabling reliable operation in laptops, displays, and portable electronics with localized heating.

Does DT2042-04TS support unidirectional or bidirectional ESD protection?

DT2042-04TS provides bidirectional ESD protection on all four channels, with symmetrical clamping characteristics (V_BR = 6 V min, V_C = 9 V at 10 A for both polarities). This makes it suitable for AC-coupled differential interfaces like USB 2.0 and HDMI, where transients can occur in either direction relative to V_SS.

How does the 0.25 Ω TLP dynamic resistance impact system-level ESD performance?

The 0.25 Ω TLP dynamic resistance directly lowers the peak clamping voltage during fast ESD events (e.g., 100 ns TLP pulses), reducing overshoot by ~2.5 V compared to a 1 Ω device at 10 A. This enhances protection margin for 3.3 V interface ICs with 10 V absolute maximum ratings, especially in handheld and docking applications.

Is DT2042-04TS compatible with lead-free reflow soldering processes?

Yes - DT2042-04TS uses matte tin finish annealed over copper leadframe, fully compliant with lead-free soldering per MIL-STD-202, Method 208. Its TSOT26 package is qualified for JEDEC J-STD-020 moisture sensitivity level 1, supporting standard Pb-free reflow profiles up to 260 °C peak temperature without popcorn or delamination risk.