Diodes Incorporated D20V0S1U2LP1610Q

Overview

D20V0S1U2LP1610Q from Diodes Incorporated is a single-channel, AEC-Q101-qualified TVS diode designed for high-surge ESD protection on signal lines such as USB Type-C CC pins and touch panel interfaces. It features a 22.0 V minimum breakdown voltage, ±30 kV IEC 61000-4-2 contact/air ESD rating, 37 A peak pulse current, 242 pF channel capacitance, and operates across –55 °C to +150 °C.

For engineers reviewing the D20V0S1U2LP1610Q datasheet, D20V0S1U2LP1610Q pinout, D20V0S1U2LP1610Q application, or D20V0S1U2LP1610Q equivalent, key selection criteria include clamping voltage (36 V @ 37 A), low input capacitance for high-speed data integrity, automotive qualification status, U-DFN1610-2 package footprint compatibility, and compliance with IEC 61000-4-2 Level 4 ESD immunity requirements.

Technical Context

This device functions as a unidirectional transient voltage suppressor optimized for low-capacitance, high-surge protection of single-ended I/O lines in space-constrained portable and automotive electronics. Its U-DFN1610-2 (Type B) package places cathode and anode on opposing terminals with a defined dot marking for polarity identification.

The diode operates in avalanche breakdown mode during transients, delivering 36 V clamping at 37 A (8/20 µs waveform) while maintaining only 200 nA leakage at 20 V standoff. Its thermal resistance (R_θJA = 417 °C/W) and 300 mW power dissipation are specified for FR-4 PCB mounting per Diodes' recommended pad layout.

Key Specifications

Pinout & Package

Package: U-DFN1610-2 (Type B), 1.6 mm × 1.0 mm × 0.5 mm body, NiPdAu-plated terminals, moisture sensitivity level 1, UL 94V-0 molding compound.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SMAJ20A and SP1003-02HTG, D20V0S1U2LP1610Q uniquely balances automotive qualification, compact U-DFN1610-2 size, 242 pF capacitance, and 37 A surge capability-making it optimal for space-limited, high-reliability signal-line protection where both ESD and surge immunity are required.

Availability

D20V0S1U2LP1610Q is available at Aetrix Electronics and suitable for USB Type-C interface protection, automotive infotainment displays, and capacitive touch panel designs requiring stable component supply and long-term lifecycle assurance.

Supply support for D20V0S1U2LP1610Q 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' TVS Diode family, engineered specifically for high-density, high-reliability ESD and surge protection in portable, automotive, and industrial electronics with emphasis on low capacitance and AEC-Q101 compliance.

FAQ

What is the polarity configuration of D20V0S1U2LP1610Q?

D20V0S1U2LP1610Q is a unidirectional TVS diode with Pin 1 as anode and Pin 2 as cathode. The cathode side is marked by a dot on the bottom of the U-DFN1610-2 package. This configuration provides clamping from signal line to ground only during positive transients, making it suitable for DC-biased interfaces like USB CC and VDD rails.

Does this part meet automotive qualification requirements?

Yes, D20V0S1U2LP1610Q is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. Its operating temperature range (–55 °C to +150 °C), thermal performance, and process controls are validated for automotive applications including infotainment, ADAS sensors, and body electronics.

How does the 242 pF capacitance impact high-speed signal integrity?

At 242 pF, the device loads each protected line with minimal impedance above 1 MHz, preserving rise/fall times on USB Type-C CC (≤1 MHz signaling) and touch panel I/O (typically <500 kHz). It avoids resonance or attenuation seen with higher-capacitance TVS devices, ensuring reliable detection and communication without firmware-level compensation.

Can D20V0S1U2LP1610Q be used for bidirectional protection?

No - D20V0S1U2LP1610Q is strictly unidirectional. It conducts only when the anode is driven positive relative to cathode. For bidirectional ESD protection (e.g., differential pairs or AC-coupled lines), a separate symmetric TVS array or dual-diode configuration is required; this part must be oriented with anode toward the protected line and cathode to ground.