Infineon Technologies ESD5V3U2U03FH6327XTSA1

Overview

ESD5V3U2U03FH6327XTSA1 from Infineon Technologies is a two-line uni-directional ultra-low capacitance ESD protection diode designed for PCB-level ESD, EFT, surge, and transient protection in compact electronic systems. part is associated with the ESD5V3U2U-03F product family and uses the SOT-723 package with Tape & Reel (TR) packing for production assembly.

As an Infineon protection component, ESD5V3U2U03FH6327XTSA1 combines 5.3 V working-voltage class, 0.4 pF typical, 0.6 pF maximum, 2 lines, uni-directional, and compact package integration for connector-side or IC-side protection. For engineers reviewing the ESD5V3U2U03FH6327XTSA1 datasheet, ESD5V3U2U03FH6327XTSA1 pinout, ESD5V3U2U03FH6327XTSA1 application, or ESD5V3U2U03FH6327XTSA1 equivalent, this device is commonly evaluated for interface protection, portable electronics, communication ports, industrial modules, and exposed signal lines where transient current must be diverted before it reaches sensitive semiconductor pins.

Technical Context

In a practical PCB layout, ESD5V3U2U03FH6327XTSA1 should be placed close to the connector, exposed pad, cable entry point, or protected IC pin so the transient current is shunted before it travels through long board traces. The package and pin configuration determine whether the device is used as a single-line, multi-line, uni-directional, or bi-directional protection element.

The ESD5V3U2U-03F family parameters are relevant to signal integrity and protection margin. The working-voltage rating must stay above the normal operating level, while the line capacitance must remain compatible with the protected interface. Clamping voltage, dynamic resistance, surge current, and ESD rating determine how much residual stress reaches the downstream IC during IEC-style tests.

For the ESD5V3U2U03FH6327XTSA1 configuration, designers should verify the exact package drawing, orientation, reel or bulk packing, moisture sensitivity, lifecycle status, and any PCN or replacement guidance before production release. For high-speed or RF interfaces, the placement, ground return, and via structure can be as important as the diode rating itself.

Key Specifications

Pinout & Package

The ESD5V3U2U03FH6327XTSA1 pinout and package layout should be checked against the Infineon package drawing for the ESD5V3U2U-03F product family. The SOT-723 package is intended for compact PCB placement and should be oriented correctly before footprint, stencil, and inspection rules are finalized.

For ESD and TVS parts, the most effective layout normally uses short traces, a direct return path, and placement close to the transient entry point. For fuse-type BGF devices, the routing should place the fuse in series with the intended protected current path.

Key Features

• Two-line uni-directional ultra-low capacitance esd protection diode for ESD and transient protection use.
• 2 lines, uni-directional supporting the intended protected-line arrangement.
• Working-voltage class: 5.3 V.
• Line-capacitance class: 0.4 pF typical, 0.6 pF maximum.
• ESD robustness: 20 kV IEC61000-4-2 contact.
• EFT capability: 40 A 5/50 ns.
• Surge or peak-pulse capability: 3 A 8/20 µs.
• Clamping behavior: 19 V typical at 16 A TLP.
• SOT-723 package supports placement close to connectors and protected IC pins.
• RoHS and lead-free status should be verified from datasheet before production release.

Applications

Equivalent & Alternatives

When evaluating ESD5V3U2U03FH6327XTSA1 equivalent devices, engineers should compare package footprint, line count, directionality, working voltage, line capacitance, clamping behavior, leakage current, ESD rating, surge rating, lifecycle status, and assembly format.

Compared with another device in the same Infineon protection portfolio, ESD5V3U2U03FH6327XTSA1 should be selected only when its ESD5V3U2U-03F family parameters match the protected interface and PCB footprint. Substitution should not be based only on package size or voltage name because capacitance, clamping voltage, polarity, and transient-current rating can change system-level behavior.

Quality

ESD5V3U2U03FH6327XTSA1 should be sourced as original Infineon Technologies components through traceable and controlled supply channels. Quality verification may include package inspection, top-mark validation, date-code review, reel-label verification, solderability evaluation, and electrical sampling according to the needs of the production program.

For ESD, TVS, and fuse protection devices, layout validation and system-level stress testing are important. Engineers should confirm moisture handling, RoHS and halogen-free status, MSL level, lifecycle status, and product-change documentation before release for manufacturing.

Availability

ESD5V3U2U03FH6327XTSA1 available at Aetrix Electronics and suitable for interface protection, transient suppression, compact circuit protection, and BOM continuity programs requiring stable component supply and traceable sourcing support.

Supply support may include scheduled delivery planning, discontinued-part sourcing support where applicable, replacement review, BOM continuity assistance, and long-term availability support for OEM manufacturers, EMS providers, repair facilities, and embedded-system developers.

For production deployment, confirming the ESD5V3U2U03FH6327XTSA1 package, datasheet revision, protection ratings, lifecycle status, and approved substitute options helps reduce procurement risk and improve manufacturing stability.

Manufacturer

Infineon Technologies is a global semiconductor manufacturer supplying power semiconductors, microcontrollers, sensors, security ICs, automotive devices, discrete semiconductors, and system-level semiconductor solutions for automotive, industrial, energy, communication, and consumer applications.

The Infineon ESD and surge protection portfolio includes TVS diodes, ESD protection arrays, low-capacitance protection devices, and compact circuit-protection components. ESD5V3U2U03FH6327XTSA1 belongs to this protection-device context and is selected where board-level immunity, compact packaging, and reliable sourcing are important.

FAQ

What is ESD5V3U2U03FH6327XTSA1 used for?

ESD5V3U2U03FH6327XTSA1 is used for ESD, transient, surge, or overcurrent-related circuit protection depending on its device class. It is mainly applied near connectors, exposed signal lines, protected IC pins, compact power paths, or interface circuits.

Where can I find the ESD5V3U2U03FH6327XTSA1 datasheet download?

The ESD5V3U2U03FH6327XTSA1 datasheet or datasheet is available from Infineon Technologies under the ESD5V3U2U-03F product family and includes electrical ratings, package information, pin configuration, application guidance, and ordering details.

What should be considered in ESD5V3U2U03FH6327XTSA1 pinout design?

Pinout design should confirm the exact SOT-723 footprint, device orientation, directionality, ground or reference connection, protected-line routing, and the layout recommendations in the Infineon documentation.

Can ESD5V3U2U03FH6327XTSA1 be replaced by another ESD or TVS diode?

Only after comparison of working voltage, capacitance, clamping voltage, surge rating, ESD rating, package footprint, polarity, line count, and lifecycle status. Similar package size alone is not enough for substitution.

Is ESD5V3U2U03FH6327XTSA1 suitable for new designs?

The current lifecycle status for ESD5V3U2U03FH6327XTSA1 should be checked from Infineon before new design use. If the product is not recommended for new design or discontinued, engineers should review the official alternative and qualify it electrically and mechanically before replacement.