Diodes Incorporated D7V0X1B2LP3-7

Overview

D7V0X1B2LP3-7 from Diodes Incorporated is an ultra-low-capacitance bidirectional TVS diode designed for ESD protection of high-speed data lines in portable electronics. It features a 7.0 V reverse standoff voltage, 8.0 V minimum breakdown voltage at 1 mA, 14 V clamping voltage at 1 A, 0.23 pF typical channel capacitance at 2.5 V, and ±15 kV IEC 61000-4-2 contact/air discharge rating. It is used to safeguard USB 2.0, HDMI, and audio interfaces in smartphones and digital cameras.

For engineers reviewing the D7V0X1B2LP3-7 datasheet, D7V0X1B2LP3-7 pinout, D7V0X1B2LP3-7 application, or D7V0X1B2LP3-7 equivalent, key selection criteria include sub-0.3 pF input capacitance, bidirectional 15 kV ESD robustness, 0.6 mm × 0.3 mm DFN package footprint, low leakage (<200 nA at 7.0 V), and compatibility with high-frequency signal integrity requirements in space-constrained consumer devices.

Technical Context

This device operates as a two-terminal, non-polarized transient voltage suppressor optimized for electrostatic discharge immunity in unidirectional or bidirectional signal paths. Its silicon avalanche structure delivers precise 8.0 V breakdown with tight tolerance and maintains sub-0.4 pF capacitance across 0–2.5 V reverse bias - critical for preserving signal rise time in >100 MHz interfaces.

The X2-DFN0603-2 package integrates a copper leadframe with matte tin finish and achieves thermal resistance of 500 °C/W to ambient on standard FR-4 PCB layout. It supports continuous power dissipation up to 250 mW and derates linearly above 25 °C per Figure 1 in the datasheet.

Key Specifications

Pinout & Package

The D7V0X1B2LP3-7 uses a 2-terminal, non-polarized X2-DFN0603-2 leadless surface-mount package. Terminals are symmetric and interchangeable; no anode/cathode orientation required during placement.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar bidirectional ESD protection applications.

Compared with SMA6J7.0A-Q and SP1006-01UTG, D7V0X1B2LP3-7 uniquely balances 7.0 V standoff, 0.23 pF capacitance, and 0.6×0.3 mm footprint - making it the only option qualified for USB 2.0 and MIPI CSI-2 protection in modern smartphones without signal degradation or layout compromise.

Availability

D7V0X1B2LP3-7 is available at Aetrix Electronics and suitable for cellular handsets, portable electronics, and computers and peripheral designs requiring stable component supply, consistent ESD performance across production lots, and long-term lifecycle support for consumer OEM programs.

Supply support for D7V0X1B2LP3-7 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

This device belongs to Diodes' X2-DFN ultra-low-capacitance TVS portfolio, engineered specifically for ESD protection of high-speed serial interfaces in space-constrained portable electronics - prioritizing signal fidelity, miniaturization, and IEC 61000-4-2 compliance.

FAQ

What is the maximum peak pulse current rating for D7V0X1B2LP3-7?

The D7V0X1B2LP3-7 is rated for 1.5 A peak pulse current under an 8/20 µs waveform per Figure 3 in the datasheet. This rating reflects its ability to safely divert transient energy from a single ±15 kV IEC 61000-4-2 ESD strike without parametric shift or failure. Derating applies above +25°C ambient per the power derating curve in Figure 1.

Is D7V0X1B2LP3-7 compatible with lead-free reflow soldering processes?

Yes, D7V0X1B2LP3-7 uses a matte tin over copper leadframe and is qualified for standard lead-free reflow profiles, including JEDEC J-STD-020 Level 1 moisture sensitivity. Its plastic molding compound meets UL 94V-0 flammability rating, and the device withstands peak temperatures up to 260°C for 30 seconds without delamination or electrical degradation.

Does this TVS diode require orientation during PCB placement?

No - D7V0X1B2LP3-7 is a fully bidirectional, non-polarized device. Its symmetrical internal structure allows either terminal to connect to the protected signal line and the other to ground. The datasheet explicitly states "Package is non-polarized" and confirms parts may be placed in any rotational orientation on tape-and-reel.

How does the 0.23 pF capacitance affect USB 2.0 signal integrity?

At 0.23 pF, the D7V0X1B2LP3-7 introduces negligible capacitive loading on USB 2.0 differential pairs: insertion loss remains below 0.2 dB and eye height reduction is less than 2% at 240 MHz (half-Nyquist for 480 Mbps). Measured TDR shows <0.05 UI jitter increase, preserving USB-IF compliance without requiring equalization or pre-emphasis adjustments.