SHENZHEN GANGXINLI ELECTRONICS CO.,LTD

SHENZHEN GANGXINLI ELECTRONICS CO.,LTD

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2026/7/10

Introduction to AC0402FR-077K5L

.Overview of product

This is a 0402 surface-mount thick film chip resistor launched by YAGEO, with a resistance value of 7.5kΩ and ±1% high precision tolerance. It supports automotive-grade certification and moisture resistance, widely used in precision circuit voltage division and current limiting scenarios.

 

.Core parameter

Category:Resistors,Chip Resistor - Surface Mount

Features:Automotive AEC-Q200, Moisture Resistant

Mfr:YAGEO

Temperature Coefficient:±100ppm/°C

Series:AC

Operating Temperature:-55°C ~ 155°C

Packaging:Tape & Reel

Package / Case:0402 (1005 Metric)

Part Status:Active

Resistance:7.5 kOhms

Size / Dimension:0.039" L x 0.020" W (1.00mm x 0.50mm)

Tolerance:±1%

Height - Seated (Max):0.015" (0.37mm)

Power (Watts):0.063W, 1/16W

Composition:Thick Film

 

.Main characteristics

High Precision:The resistor adopts professional thick film process with a resistance tolerance of ±1%. It can maintain accurate resistance values in circuit operation and effectively ensure the precision of circuit voltage and current control.

Auto Grade:It complies with strict AEC-Q200 automotive electronic certification standards. It has excellent stability and reliability, meeting the stringent quality requirements of automotive electronic equipment.

Moisture Resist:The product has excellent moisture resistance and environmental adaptability. It can resist humidity erosion in complex working environments and avoid resistance deviation caused by moisture.

Compact Size:Adopting 0402 miniature patch package with ultra-small overall size. It saves PCB board space and is suitable for miniaturized and lightweight electronic products.

Stable Temp:It features a low temperature coefficient of ±100ppm/°C. Its resistance value changes slightly with temperature fluctuation, ensuring long-term stable circuit operation.

Easy Assembly:Standard tape and reel packaging fits fully automatic SMT mounting processes. It effectively improves production efficiency and assembly consistency for mass electronic manufacturing.

 

.Application field

Auto ECU:Used for voltage division and current limiting of signal circuits in automotive engine control ECUs. It stabilizes sensor signal transmission and guarantees the normal operation of automobile core control system.

Car Sensor:Applied to automotive temperature and pressure sensor signal conditioning circuits. It calibrates and stabilizes sensor output signals to improve vehicle detection accuracy.

Smart Watch:Used for current limiting and voltage matching of internal display and sensing circuits of smart watches. It adapts to miniaturized equipment design and ensures stable low-power operation.

Power Adapter:Serving as a sampling resistor in small-power charging adapters. It monitors circuit current and voltage in real time to prevent overcurrent and overvoltage damage to equipment.

PCB Module:Applied to signal matching circuits of industrial control miniature PCB modules. It provides accurate resistance parameters to ensure stable signal transmission of industrial control equipment.

Household Appliance:Used in control circuit boards of smart home appliances such as air conditioners and refrigerators. It maintains long-term stable circuit operation and improves appliance service life.

 

.Summary

This YAGEO AC series 0402 chip resistor integrates high precision, automotive-grade reliability and excellent environmental adaptability. It is a cost-effective miniature resistance component suitable for automotive, consumer and industrial precision electronic circuits.