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PESD5V5C1ULYL

Name: PESD5V5C1ULYL
Rating: 4.7 (12 reviews)

TVS DIODE 5.5VWM 3.5VC DFN10062

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仕様

Part Status	Active
Base Product Number	PESD5
Type	Zener
Voltage - Reverse Standoff (Typ)	5.5V (Max)
Voltage - Breakdown (Min)	7V
Voltage - Clamping (Max) @ Ipp	3.5V (Typ)
Current - Peak Pulse (10/1000µs)	6.5A (8/20µs)
Power Line Protection	No
Applications	Telecom, USB
Capacitance @ Frequency	0.5pF @ 1MHz
Operating Temperature	-55°C ~ 150°C (TA)
Mounting Type	Surface Mount
Package	SOD-882
Supplier Device Package	DFN1006-2
Packaging	Cut Tape (CT), Tape & Reel (TR)
Unidirectional Channels	1

概要

Description

PESD5V5C1ULYL is a single‑line ESD protection diode array from the PESD5V5 family (Nexperia). It provides fast, low-capacitance protection for a signal line against electrostatic discharges, with a nominal 5.5 V working voltage. Key points:
- Protects one I/O line; clamps surges to ground to shield downstream ICs.
- Ultra-low capacitance to preserve high-speed signal integrity.
- Small surface-mount package (UL suffix indicates packaging/lead-free variants).
- Commonly used for 5 V interfaces (USB, I2C/SPI, data lines, etc.); place near the connector or at the interface input.
How to use: connect the protected node to the signal line and connect ground to the device ground. No external supply is required; follow the datasheet for exact ESD ratings, capacitance, leakage, and recommended PCB layout. For multiple lines, use corresponding multi-line variants or individual devices.

Features

Key features of PESD5V5C1ULYL:
- 1-channel ESD protection device for I/O lines with a 5.5 V working voltage.
- Ultra-compact ULYL package for small-board applications.
- Very low input capacitance (typical ~0.3–0.8 pF) to minimize signal distortion on high-speed lines.
- Low leakage current in normal operation.
- Fast response with robust ESD protection (IEC 61000-4-2: up to several kV range; typically 8 kV contact/15 kV air variants).
- Pb-free, RoHS-compliant and reflow-solderable.
- Suitable for protecting data lines of microcontrollers, USB, HDMI, and other high-speed interfaces.

Package

It uses a tiny 3‑pin SC‑70 (SOT‑323) package.

Pinout

- Pin count: 3 pins (SOT-23/3 package).
- Function: Single-line ESD protection diode (TVS) to ground. Unidirectional, with a 5.5 V standoff, used to clamp ESD surges on one data line to protect interfaces (e.g., USB, data lines).

Manufacturer

- Manufacturer: Nexperia.
- What kind of company: A global semiconductor company that designs and manufactures discrete components and protection devices (including ESD protection diodes, diodes, transistors, and related products).

Application

- Single-line ESD protection for 5.5 V I/O
- Ideal for portable/consumer electronics and MCU interfaces
- Common uses: USB, camera/sensor data lines, display interfaces, memory cards
- Low capacitance to minimize impact on signal integrity

Equivalent

Equivalent devices are other 1-channel, 5.5 V ESD protection diodes with similar capacitance from major vendors. Exact cross-references depend on package and pinout. Use distributor cross-reference tools (e.g., Digi‑Key, Mouser) or share the packaging to get precise substitute part numbers. Vendors to consider: ST, Onsemi, Littelfuse, Vishay.