PANASONIC ERJ-2RKF4992X 49.9K OHM 1% 1/10W 0402 SMD THICK FILM RESISTOR 20 PCS NOS
$4.00
Panasonic ERJ-2RKF4992X thick-film surface-mount resistors supplied as a fixed lot of 20 NOS pieces from original Mouser distributor stock. These compact 0402 chip resistors provide a precise 49.9K ohm resistance value with 1% tolerance for voltage dividers, feedback networks, bias circuits, sensing applications, and general board-level electronics.
Resistance: 49.9K ohm
Tolerance: 1%
Power rating: 1/10W / 0.1W
Package: 0402 / 1005 metric
Technology: Thick film
Mounting: SMD / SMT
Series: Panasonic ERJ-2RK
Temperature coefficient: ±100 ppm/°C
Operating temperature range: -55°C to +155°C
Qualification: AEC-Q200
Included in this listing: 20 pieces
Distributor stock: Mouser Electronics
Distributor label date code: 2126
Country marking: China
HISTORICAL BACKGROUND: Panasonic's ERJ series became a widely adopted family of chip resistors as electronic manufacturers moved toward smaller, high-density surface-mount circuit boards. Precision values such as 49.9K ohm are commonly used in voltage-divider networks, analog feedback paths, sensor interfaces, bias circuits, and control electronics where a tighter 1% tolerance is desirable. The miniature 0402 footprint allows this precision resistance value to be used in densely populated communications, automotive, industrial, and portable electronic equipment. The ERJ-2RKF4992X remains an active-production component and is not obsolete.
Origin Tracker
NOS / New Old Stock
Unused new old stock from legacy inventory. Packaging, age, and cosmetic condition may vary.
Pipeline quantities are informational and may change after arrival, inspection, sorting, testing, or donor teardown.
Compatible Radios / Boards
Suitable for circuit boards requiring a 49.9K ohm, 1%, 1/10W resistor in the 0402 SMD footprint. Useful in communications equipment, RF support circuitry, automotive electronics, industrial controls, instrumentation, analog electronics, power supplies, sensor interfaces, and general PCB repair. Verify resistance, tolerance, power rating, and footprint before installation.
RF Boneyard Bench Notes
NOS unused distributor stock. Not individually electrically tested.
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