Question 1

What are the key features of Yageo PU3921FKNP90U2L?

EZKEY · Accepted Answer

This product belongs to the General Purpose category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Yageo with full traceability.

Question 2

What are the main application scenarios for PU3921FKNP90U2L?

EZKEY · Accepted Answer

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

Question 3

How does PU3921FKNP90U2L work?

EZKEY · Accepted Answer

This device follows established General Purpose design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

Question 4

What is the technical performance of PU3921FKNP90U2L?

EZKEY · Accepted Answer

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

Question 5

What is the current market demand for PU3921FKNP90U2L?

EZKEY · Accepted Answer

The global General Purpose market is growing at ~6-8% CAGR, with particularly strong demand in power management. Yageo PU3921FKNP90U2L is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

Question 6

What are the technical characteristics of PU3921FKNP90U2L?

EZKEY · Accepted Answer

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Yageo provides full technical support and reference designs.

Application	General Purpose
Brand	Yageo
Data Tier	General Description
Lead Free	Yes
Mounting Type	Surface Mount
Operating Temperature	-55 to +125 C
Packaging	Tape & Reel
Product Type	Passive Component
RoHS	Compliant
Series	Yageo

Recommended Part	Brand	Description
MMP100FRE3K3	Yageo	RES SMD 1% 1W MELF
HHV-50JT-52-680K	Yageo	RES MF 1/2W 5% AXIAL
PA2512FKF070R005E	Yageo	RES 0.005 OHM 1% 1W 2512

PU3921FKNP90U2L | Yageo METAL SHUNT RESISTOR 3921 1% 175

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

PU3921FKNP90U2L Application and Selection Guide

PU3921FKNP90U2L Model and Manufacturer Information

PU3921FKNP90U2L Product Parameters and Description

PU3921FKNP90U2L Application and Selection Reference

Recommended Part Numbers for PU3921FKNP90U2L