Diodes Incorporated D5V0F1U2S9-7

Overview

D5V0F1U2S9-7 from Diodes Incorporated is a unidirectional TVS diode designed for ESD protection of high-speed data lines in portable electronics. It delivers ±15 kV IEC 61000-4-2 contact/air discharge immunity, 0.5 pF typical capacitance at 0 V, 6.0 V minimum breakdown voltage, and 1.5 A peak pulse current in the ultra-small SOD923 package-enabling robust signal integrity in USB 2.0, HDMI, and audio interfaces.

For engineers reviewing the D5V0F1U2S9-7 datasheet, D5V0F1U2S9-7 pinout, D5V0F1U2S9-7 application, or D5V0F1U2S9-7 equivalent, key selection criteria include low clamping voltage (10 V typ at 1 A), sub-1 pF capacitance for minimal signal distortion, RoHS-compliant lead-free construction, and verified performance in mobile handset antenna and camera module ESD hardening.

Technical Context

This TVS operates as a single-channel unidirectional clamp between I/O and ground, triggered by reverse-biased avalanche breakdown above 6.0 V. Its 0.5 pF capacitance at 0 V ensures <0.1 dB insertion loss up to 1 GHz, making it suitable for USB 2.0 full-speed (480 Mbps) and analog audio paths.

The device uses a planar silicon junction structure with alloy-42 leadframe and matte tin plating, achieving 500 °C/W junction-to-ambient thermal resistance on standard FR-4 PCBs. Power derating begins at +25°C ambient, maintaining 250 mW rated dissipation only at TA ≤ 25°C.

Key Specifications

Pinout & Package

Package: SOD923 - ultra-compact surface-mount package measuring 0.90 mm × 0.40 mm × 0.60 mm, with matte tin-plated alloy-42 leads, moisture sensitivity level 1, and UL 94V-0 flammability rating.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SMAJ5.0A and TPD2E001DRYR, D5V0F1U2S9-7 uniquely balances ultra-low capacitance (0.5 pF), miniature SOD923 size, and ±15 kV ESD rating-making it optimal for single-line, space-constrained, high-speed interface protection where signal fidelity is non-negotiable.

Availability

D5V0F1U2S9-7 is available at Aetrix Electronics and suitable for smartphone antenna port protection, USB 2.0 data line hardening, and digital camera image sensor interface applications requiring stable component supply across high-volume consumer electronics production.

Supply support for D5V0F1U2S9-7 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.

The D5V0F1U2S9-7 belongs to Diodes' ESD protection product line, engineered specifically for high-bandwidth signal line hardening in portable consumer devices-prioritizing low capacitance, small footprint, and certified IEC 61000-4-2 performance.

FAQ

What is the maximum operating temperature range for D5V0F1U2S9-7?

The D5V0F1U2S9-7 supports continuous operation from –65°C to +150°C ambient temperature. Its thermal resistance (RθJA = 500°C/W) is specified for mounting on standard FR-4 PCBs using Diodes' recommended AP02001 pad layout. Derating begins linearly above +25°C ambient, reaching zero power at +150°C.

Does D5V0F1U2S9-7 require external biasing or control signals?

No. The D5V0F1U2S9-7 is a passive, two-terminal unidirectional TVS diode that operates without biasing, control inputs, or configuration. It functions solely via avalanche breakdown when reverse voltage exceeds 6.0 V, automatically clamping transients without active circuitry or power supply dependency.

Can D5V0F1U2S9-7 be used for bidirectional signal lines like RS-485?

No. D5V0F1U2S9-7 is unidirectional and protects only against negative transients on the cathode side (i.e., positive voltage spikes on the anode relative to cathode). For bidirectional lines such as RS-485, a symmetric bidirectional TVS (e.g., D5V0F2U2S9-7) or back-to-back diode configuration is required.

How does the 0.5 pF capacitance impact USB 2.0 signal integrity?

At 0.5 pF, the D5V0F1U2S9-7 introduces negligible capacitive loading on USB 2.0 D+/D− lines-resulting in <0.1 dB insertion loss at 240 MHz (Nyquist frequency for 480 Mbps) and preserving eye diagram opening per USB-IF compliance test limits. Measured data confirms no measurable jitter or rise-time degradation in validated reference designs.