Diodes Incorporated D8V0L1B2LP3Q-7

Overview

D8V0L1B2LP3Q-7 from Diodes Incorporated is a bidirectional transient voltage suppression (TVS) diode designed for ESD protection of high-speed data lines in portable electronics. It features 8.5V breakdown voltage, ±25kV IEC 61000-4-2 contact/air ESD rating, 8.5pF typical input capacitance, and 3.5A peak pulse current - enabling robust protection without signal integrity degradation in USB 2.0, HDMI, or audio interface paths.

For engineers reviewing the D8V0L1B2LP3Q-7 datasheet, D8V0L1B2LP3Q-7 pinout, D8V0L1B2LP3Q-7 application, or D8V0L1B2LP3Q-7 equivalent, key selection criteria include low clamping voltage (12.5V @ 1A), AEC-Q101 qualification for automotive infotainment interfaces, thermal resistance (500°C/W), and X3-DFN0603-2 footprint compatibility with space-constrained PCB layouts.

Technical Context

This TVS diode operates as a bidirectional clamping device across two terminals, activating symmetrically during positive or negative transients. Its silicon avalanche structure delivers fast response (<1 ns) to ESD events while maintaining sub-50 nA leakage at 8V standoff.

The device uses a planar junction process optimized for low capacitance and stable V_BR tolerance (±15%). Its thermal design relies on direct die-to-pad conduction through the exposed copper leadframe, supporting 250 mW continuous power dissipation on standard FR-4 with 2 oz copper.

Key Specifications

Pinout & Package

Package: X3-DFN0603-2 - 0.62 mm × 0.32 mm, 0.30 mm height, 2-terminal monolithic surface-mount package with exposed thermal pad (no internal connection), compliant with IPC-7351B density level A.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SMAJ8.0A and SP1003-01UTG, D8V0L1B2LP3Q-7 uniquely balances 8.5V V_BR, 8.5pF C_IN, and AEC-Q101 compliance in a 0.62 mm × 0.32 mm footprint - making it optimal for automotive-grade, high-speed differential signal protection where board space and signal fidelity are constrained.

Availability

D8V0L1B2LP3Q-7 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive infotainment display links, and smartphone audio jack safeguarding requiring stable component supply across production ramps and long-lifecycle programs.

Supply support for D8V0L1B2LP3Q-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' "Ultra-Low Capacitance TVS" product line, engineered specifically for ESD protection of high-speed digital interfaces in portable and automotive electronics where signal integrity and miniaturization are critical.

FAQ

What is the maximum operating temperature for D8V0L1B2LP3Q-7?

The device supports an operating junction temperature range of −65°C to +150°C. Its thermal resistance (R_θJA = 500°C/W) means that at 25°C ambient and 250 mW power dissipation, junction temperature reaches 150°C - the absolute maximum. Derating is required above 25°C ambient per Figure 1 in DS42842.

Is D8V0L1B2LP3Q-7 suitable for protecting USB 3.0 or PCIe Gen3 signals?

No - its 8.5pF typical capacitance introduces excessive insertion loss above ~500 MHz, making it unsuitable for SuperSpeed USB (4.8 Gbps) or PCIe Gen3 (8 GT/s) signaling. It is validated for USB 2.0 (480 Mbps) and HDMI 1.4 (165 MHz TMDS), where bandwidth requirements align with its RC time constant.

Does D8V0L1B2LP3Q-7 require external series impedance for optimal ESD performance?

No external series resistor is required. The device's dynamic resistance (R_DYN = 0.4 Ω) and fast turn-on (<1 ns) enable effective clamping without added impedance. However, PCB trace inductance between the TVS and protected IC must be minimized - Diodes recommends placement within 3 mm of the connector per layout guidelines in DS42842.

How does the marking "OO" or "–OO–" correlate to the D8V0L1B2LP3Q-7 part number?

The top-side marking "OO" or "–OO–" is the product type code assigned by Diodes Incorporated for this specific TVS device in X3-DFN0603-2 packaging. It is not a date or lot code, and it uniquely identifies D8V0L1B2LP3Q-7 among other devices in the same package family - confirmed in the "Marking Information" section of DS42842 Rev. 1-2.