NUF2221W1T2

$0.65

Description：FILTER RC(PI) 22 OHMS ESD SMD
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT),Bulk

SKU:e82922be26d6 Category: EMI/RFI Filters (LC, RC Networks) Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：FILTER RC(PI) 22 OHMS ESD SMD
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT),Bulk
Type：Low Pass
Filter Order：2nd
Technology：RC (Pi)
Number of Channels：3
Center / Cutoff Frequency：-
Attenuation Value：-
Resistance - Channel (Ohms)：22
Values：R = 22Ohms, C = 42pF (Total)
ESD Protection：Yes
Operating Temperature：-55°C ~ 125°C
Applications：USB
Voltage - Rated：-
Mounting Type：Surface Mount
Package / Case：6-TSSOP, SC-88, SOT-363
Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
Height：0.043" (1.09mm)
Current：-
Grade：-
Qualification：-

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NUF2221W1T2

Overview

The NUF2221W1T2 is a bidirectional ESD protection diode and USB upstream terminator manufactured by onsemi. It integrates series termination, EMI filtering, and electrostatic discharge protection for two data lines (D+, D−) and the VBUS line. The device operates at a working voltage of 5.25 V with a breakdown voltage of 5.6 V. It features a low capacitance of 56.4 pF and withstands contact ESD voltages up to 25 kV and air gap ESD up to 30 kV. Packaged in an SC-88-6 (SOT-363-6) surface-mount format, it supports operation between -55°C and +125°C.

Feature Summary

Integrates series termination, EMI filtering, and ESD protection for USB data lines and VBUS
Provides bidirectional protection for high-speed differential signaling
Designed specifically for upstream USB port applications

Applications

Upstream USB ports
USB data line protection
VBUS line protection

Procurement Notes

Verify the complete part number including the suffix 'G' for RoHS compliance when ordering. Confirm that the SC-88-6 package matches the PCB footprint requirements. Ensure the application environment stays within the specified -55°C to +125°C operating temperature range. Check datasheet specifications for clamping voltage and pulse power ratings against system surge requirements.

Selection Notes

Select this component for designs requiring integrated line termination and ESD suppression in compact USB interfaces. The low capacitance value helps maintain signal integrity for high-speed data transmission. Verify compatibility with USB upstream port electrical characteristics. Consider the bidirectional nature of the protection for differential pair handling.

Part Context

This device belongs to onsemi's family of ESD protection diodes and TVS diodes designed for interface protection. It serves as a specialized solution for USB applications, combining passive termination components with active protection elements in a single small outline package. It addresses both signal integrity and hardware safety concerns in portable electronics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official cross-reference lists or distributor databases for verified alternatives if this specific part number is unavailable.