onsemi ESD7C5.0DT5G

Overview

ESD7C5.0DT5G from onsemi is a unidirectional ESD protection diode designed for I/O line protection in space-constrained portable electronics. It features a 5.0 V working peak reverse voltage (VRWM), 6.2 pF typical capacitance at 0 V, clamping voltage ≤11 V at 1 A IPP, <1 ns response time, and IEC61000−4−2 Level 4 (±8 kV contact) compliance - enabling robust transient suppression in high-speed data lines such as USB 2.0 and HDMI interfaces.

For engineers reviewing the ESD7C5.0DT5G datasheet, pinout, applications, or equivalent options, key selection criteria include clamping performance under IEC61000−4−2 stress, low signal-line capacitance for minimal data integrity impact, SOT−723 footprint compatibility, and AEC−Q101 qualification for automotive infotainment and telematics designs.

Technical Context

This device operates as a unidirectional transient voltage suppressor with cathode-anode polarity configuration. Its clamping behavior is defined per IEC61000−4−2 waveform (8 kV contact discharge), delivering ≤11 V clamping at 1 A peak pulse current while maintaining sub-1 ns response and 0.5 µA max reverse leakage at VRWM.

The SOT−723 package enables integration into high-density PCB layouts with 1.20 mm × 0.80 mm footprint and 0.50 mm height. It is Pb-free, RoHS-compliant, MSL 1 rated, and qualified to AEC−Q101 for automotive-grade reliability.

Key Specifications

Pinout & Package

SOT−723 package: 3-terminal surface-mount device with 0.40 mm pitch, 1.20 mm × 0.80 mm body, and 0.50 mm max height. Molded thermosetting plastic case meets UL 94 V−0; matte tin lead finish; MSL 1 rated; reflow compatible up to 260 °C.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ESD7C5.0DT5G, ESD7L5.0DT5G offers superior high-frequency performance but narrower voltage margin, while TPD2E001DRYR provides bidirectional capability at the expense of higher capacitance and no automotive qualification - making ESD7C5.0DT5G the optimal balance of size, clamping, and AEC−Q101 compliance for compact unidirectional I/O protection.

Availability

ESD7C5.0DT5G is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive infotainment displays, and industrial sensor signal conditioning requiring stable component supply and long-term lifecycle support.

Supply support for ESD7C5.0DT5G 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

onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power management, analog, sensors, and logic solutions for automotive, industrial, cloud, and consumer markets.

The ESD7C Series is engineered specifically for board-level ESD protection in ultra-compact portable and automotive electronics, emphasizing low capacitance, fast response, and AEC−Q101 reliability in sub-1 mm² packages.

FAQ

What is the maximum clamping voltage of ESD7C5.0DT5G under IEC61000−4−2 testing?

The ESD7C5.0DT5G exhibits a maximum clamping voltage of 11 V when subjected to an 8 kV contact discharge per IEC61000−4−2 Level 4. This value is measured at 1 A peak pulse current and reflects the voltage seen by the protected IC during the transient event. The clamping performance is validated using oscilloscope waveforms per onsemi Application Note AND8307/D, ensuring repeatable characterization across production lots. ESD7C5.0DT5G maintains this clamping level across its full operating temperature range.

Is ESD7C5.0DT5G suitable for protecting high-speed USB 2.0 data lines?

Yes, ESD7C5.0DT5G is specifically optimized for USB 2.0 protection with a typical capacitance of 6.2 pF at 0 V and 1 MHz. This low capacitance minimizes signal rise-time degradation and jitter, preserving eye diagram integrity up to 480 Mbps. Its unidirectional configuration matches the DC bias requirements of USB D+/D− lines, and its 5.0 V VRWM aligns with standard USB voltage rails. ESD7C5.0DT5G has been validated in reference designs for smartphone USB ports and docking stations.

Does ESD7C5.0DT5G meet automotive qualification standards?

Yes, ESD7C5.0DT5G is AEC−Q101 qualified and PPAP capable, confirming its suitability for automotive applications including infotainment, telematics, and ADAS sensor interfaces. The qualification covers temperature cycling, high-temperature reverse bias (HTRB), and ESD stress testing per Rev G requirements. While the base part number does not include the "SZ" prefix, it shares identical die and qualification data with the SZESD7C5.0DT5G variant, and both are manufactured on the same qualified process flow.

What is the pin configuration and polarity of ESD7C5.0DT5G?

ESD7C5.0DT5G uses a unidirectional SOT−723 package with pin 1 = Cathode, pin 2 = Cathode, pin 3 = Anode. This dual-cathode configuration allows flexible placement - either cathode tied to the protected line and anode to ground, or used in conjunction with a second diode for enhanced protection schemes. Polarity must be observed during layout; reverse connection renders the device ineffective. The marking code "L4" appears on the top surface per the datasheet marking diagram.

Can ESD7C5.0DT5G replace older ESD protection devices like PGB1010603?

No, ESD7C5.0DT5G is not a direct replacement for PGB1010603 due to fundamental differences in package (SOT−723 vs. 0201), capacitance (6.2 pF vs. ~15 pF), and clamping behavior. While both provide IEC61000−4−2 Level 4 protection, the PGB1010603 is bidirectional and lacks AEC−Q101 qualification. Replacing it with ESD7C5.0DT5G requires PCB layout revision to accommodate the SOT−723 footprint and verify unidirectional biasing. ESD7C5.0DT5G should be selected based on its own validated performance, not as a drop-in substitute.