Panasonic ERJ-2RKF4990X 499 Ohm 1% 0402 Thick Film Resistor 80 PACK

Panasonic ERJ-2RKF4990X 499 ohm thick film surface-mount resistors with 1% tolerance in the compact 0402 package. This listing is for one NOS Mouser distributor package containing 80 resistors. Suitable for precision resistance networks, bias circuits, feedback paths, voltage dividers, signal conditioning, control electronics, communications equipment, and general SMD repair.

Resistance: 499 ohm
Tolerance: 1%
Package: 0402
Technology: Thick Film
Mounting Style: Surface Mount
Qualification: AEC-Q200
Series: ERJ-2RK
Distributor: Mouser Electronics
Mouser P/N: 667-ERJ-2RKF4990X
Manufacturer P/N: ERJ-2RKF4990X
Date Code: 2142
Country of Origin: China
Contents: 80 resistors

HISTORICAL BACKGROUND: Panasonic traces its origins to Osaka, Japan in 1918, when Konosuke Matsushita founded the company that later developed into one of Japan's largest electronics manufacturers. Beyond consumer electronics, Panasonic became an important global supplier of resistors, capacitors, relays, switches, batteries, and other electronic components. The ERJ family was developed for modern surface-mount production and is widely used in compact electronic assemblies where stable resistance values and small physical size are required. The 0402 package reflects the industry's long-term move toward higher circuit density and smaller PCB layouts. Panasonic is a Japanese-origin manufacturer, while the original Mouser label on this specific package identifies China as the country of manufacture.