Diodes Incorporated D12V0H1U2LP1610-7

Overview

D12V0H1U2LP1610-7 from Diodes Incorporated is a single-channel unidirectional TVS diode designed for I/O line ESD protection in portable electronics. It features a 13 V minimum breakdown voltage (V_BR), 50 A peak pulse current (I_PP), 350 pF typical channel capacitance (C_T), and ±30 kV IEC 61000-4-2 contact/air ESD rating-enabling robust transient suppression on high-speed data lines such as USB 2.0 interfaces in smartphones and digital cameras.

For engineers reviewing the D12V0H1U2LP1610-7 datasheet, D12V0H1U2LP1610-7 pinout, D12V0H1U2LP1610-7 application, or D12V0H1U2LP1610-7 equivalent, key selection criteria include clamping voltage at 50 A (20.0 V), low dynamic resistance (0.05 Ω), thermal resistance (417 °C/W), RoHS/Green compliance, and U-DFN1610-2 (Type B) package suitability for space-constrained PCB layouts.

Technical Context

This TVS diode operates as a unidirectional clamp between signal line and ground, triggering conduction when reverse voltage exceeds 13 V. Its low 350 pF input capacitance minimizes signal distortion on 480 Mbps USB 2.0 paths, while its 0.05 Ω dynamic resistance ensures rapid energy shunting during 8/20 µs transients.

The device is rated for ±30 kV ESD per IEC 61000-4-2 (contact and air), with a 12 V standoff voltage (V_RWM) and 15.5–20.0 V clamping range across 1–50 A pulses. Thermal derating follows a defined curve down to 0% power at +150 °C ambient, supported by a 417 °C/W junction-to-ambient resistance on standard FR-4 layout.

Key Specifications

Pinout & Package

Package: U-DFN1610-2 (Type B), 1.6 mm × 1.0 mm × 0.5 mm body, NiAu bump terminations, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar unidirectional TVS protection applications.

Compared with SMAJ12A and SP1001-01UTG, D12V0H1U2LP1610-7 uniquely balances 50 A surge capability, 350 pF capacitance, and 1.6 mm × 1.0 mm footprint-making it optimal for miniaturized, high-reliability USB and MIPI interfaces where both space and ESD robustness are critical.

Availability

D12V0H1U2LP1610-7 is available at Aetrix Electronics and suitable for cellular handsets, portable electronics, and computers and peripheral designs requiring stable component supply, full RoHS/Green compliance, and consistent tape-and-reel delivery.

Supply support for D12V0H1U2LP1610-7 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, industrial, and computing markets.

This device belongs to Diodes' "Ultra-Low Capacitance TVS" product line, engineered specifically for ESD protection of high-speed serial interfaces-including USB 2.0, HDMI, and MIPI-without compromising signal fidelity or board area.

FAQ

What is the maximum clamping voltage at 50 A for D12V0H1U2LP1610-7?

The maximum clamping voltage (V_C) is 20.0 V under an 8/20 µs 50 A peak pulse, measured per IEC 61000-4-5. This value ensures protected ICs experience no more than 20 V during worst-case surge events, well below typical 24 V absolute maximum ratings of USB transceivers and interface controllers.

Is D12V0H1U2LP1610-7 suitable for bidirectional signal lines like USB D+/D−?

Yes-it is unidirectional but used in pairs (one per line) with cathodes tied to ground, providing symmetrical protection for differential signals. Its 12 V V_RWM and 13 V V_BR allow safe operation across the full USB 2.0 common-mode range (0–3.6 V) while clamping positive transients effectively.

Does this TVS require a heatsink in typical portable applications?

No-its 417 °C/W thermal resistance is specified for standard FR-4 PCB layout with 2 oz copper, and its 300 mW steady-state power dissipation is sufficient for intermittent ESD events. Continuous power dissipation remains negligible during normal operation due to sub-0.1 µA leakage at 12 V.

How does the U-DFN1610-2 (Type B) package affect PCB layout for high-frequency protection?

The 1.6 mm × 1.0 mm footprint minimizes parasitic inductance, enabling direct placement at connectors with short, straight traces to ground. Its NiAu bump terminations ensure reliable solder joint formation on fine-pitch pads, preserving low dynamic resistance and sub-nanosecond response time critical for ESD suppression.