Diodes Incorporated D15V0X1B2LP4Q-7B

Overview

D15V0X1B2LP4Q-7B from Diodes Incorporated is a bidirectional TVS diode designed for ESD protection of high-speed automotive and portable data interfaces. It features a 15 V reverse standoff voltage, 16.5–21.5 V breakdown range, 30 V clamping voltage at 4 A peak pulse current, 0.7 pF typical junction capacitance, and AEC-Q101 qualification - deployed in USB, HDMI, and LVDS ports to suppress ±20 kV contact/air ESD transients.

For engineers reviewing the D15V0X1B2LP4Q-7B datasheet, D15V0X1B2LP4Q-7B pinout, D15V0X1B2LP4Q-7B application, or D15V0X1B2LP4Q-7B equivalent, key selection criteria include ultra-low capacitance for signal integrity, automotive-grade reliability (IATF 16949 manufacturing, PPAP capability), and compact X2-DFN1006-2 footprint for space-constrained PCB layouts.

Technical Context

This TVS operates as a single-channel, bidirectional transient suppressor optimized for low-capacitance signal-line protection. Its silicon avalanche structure delivers fast response (<1 ns) to ESD events per IEC 61000-4-2, with clamping action triggered above 16.5 V and sustained suppression up to 30 V at 4 A (8/20 μs waveform).

The device uses a planar junction design in a lead-free, halogen-free molded package with NiPdAu-plated terminals. Thermal resistance is 345 °C/W (junction-to-ambient), enabling operation from –55 °C to +150 °C, and power derating follows a linear curve down to zero at 150 °C ambient.

Key Specifications

Pinout & Package

Package: X2-DFN1006-2 - ultra-compact, dual-terminal, bottom-terminated plastic package with exposed thermal pad (not electrically connected); compliant with JEDEC MO-229, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SMAJ15CA-13-F and SP1006-01UTG, D15V0X1B2LP4Q-7B offers the optimal balance of ultra-low capacitance (0.7 pF), AEC-Q101 validation, and minimal 1.08 × 0.68 mm footprint - making it uniquely suited for next-generation automotive serial data interfaces where signal fidelity and space are co-constrained.

Availability

D15V0X1B2LP4Q-7B is available at Aetrix Electronics and suitable for automotive infotainment systems, ADAS camera modules, and industrial USB/HDMI docking stations requiring stable component supply, long-lifecycle support, and full traceability.

Supply support for D15V0X1B2LP4Q-7B 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 the DxV0X1Bx2LP4Q series - engineered specifically for ultra-low-capacitance ESD protection of high-speed serial interfaces in automotive and portable electronics, emphasizing signal integrity, miniaturization, and AEC-Q101 compliance.

FAQ

What is the maximum operating temperature for D15V0X1B2LP4Q-7B?

The device operates from –55 °C to +150 °C, with thermal derating beginning at 25 °C ambient. At 150 °C, its power dissipation drops to zero per the published derating curve (Figure 1), ensuring safe operation in under-hood automotive environments and sealed industrial enclosures.

Is D15V0X1B2LP4Q-7B suitable for USB 3.2 Gen 2 (10 Gbps) applications?

No - while its 0.7 pF capacitance supports USB 3.2 Gen 1 (5 Gbps), Gen 2 requires sub-0.3 pF devices to maintain acceptable insertion loss and return loss. This part is validated for ≤5 Gbps differential signaling per Diodes' application notes and layout recommendations.

Does D15V0X1B2LP4Q-7B require a thermal pad connection on the PCB?

No - the X2-DFN1006-2 package has no exposed thermal pad. Heat dissipation occurs through the copper leads and solder joints. The recommended pad layout (per Diodes' package outline) uses two 0.70 × 0.40 mm solder pads with 0.25 mm solder mask opening - no thermal via or ground plane connection is needed or specified.

How does the marking code "NE" relate to D15V0X1B2LP4Q-7B?

"NE" is the top-side laser marking code printed on the device body, uniquely identifying this specific variant within the DxV0X1Bx2LP4Q family. It corresponds to VRWM = 15 V, bidirectional configuration, and X2-DFN1006-2 package - confirmed in the Electrical Characteristics table (page 3 of DS43178 Rev. 4-2).