Limited Stock

Panasonic ERJ-2RKF10R0X 10 Ohm 1% 1/10W 0402 SMD Thick Film Resistors 65 pcs

Resistors • SKU RFB00561

$6.95

Lot of 65 genuine Panasonic ERJ-2RKF10R0X thick-film surface-mount chip resistors supplied from original distributor-labeled inventory. These components provide a standard 10 ohm resistance value with a tight ±1% tolerance and 0.1W / 1/10W power rating in the miniature 0402 EIA / 1005 metric SMD package.

Panasonic's ERJ-2RK series is a high-reliability general-purpose chip-resistor family used across automotive, communications, industrial, consumer, test, control, and power-management electronics. ERJ-2RKF10R0X combines a compact 1.0 mm x 0.5 mm body with a ±100 ppm/°C temperature coefficient and AEC-Q200 automotive qualification.

Key manufacturer specifications include 10 ohm resistance, ±1% tolerance, 0.1W / 1/10W rated power, ±100 ppm/°C temperature coefficient, 50V maximum working voltage, 0402 EIA / 1005 metric package, approximately 1.00 mm x 0.50 mm body size, thick-film resistive construction, -55°C to +155°C operating temperature range, AEC-Q200 qualification, two-terminal SMD construction, lead-free / RoHS-compatible construction, and tape-and-reel carrier-tape packaging.

The 10-ohm value is widely used in electronics because it can serve numerous circuit functions without introducing a large voltage drop. Common uses include current limiting, signal isolation, transistor and MOSFET gate or base networks, supply filtering, damping, feedback support, protection networks, power-supply circuitry, communications boards, digital electronics, and general board-level repair.

Panasonic manufactures the ERJ family by forming a thick-film resistive element on a ceramic substrate, trimming the element to the specified resistance, applying protective coatings, and adding metallic end terminations for automated surface-mount soldering.

The ERJ-2RKF10R0X is particularly useful for repairs where both the small 0402 footprint and the original 1% tolerance must be maintained. Although many manufacturers produce 10-ohm resistors, package size, wattage, tolerance, temperature coefficient, voltage capability, and environmental qualification should all be considered before substitution.

LIFECYCLE STATUS: ACTIVE

Panasonic ERJ-2RKF10R0X remains an active-production component and is not presently classified as obsolete, discontinued, EOL, or NRND. Current authorized-distributor records continue to list the exact part as active with substantial inventory.

HISTORICAL BACKGROUND:

Panasonic has produced passive electronic components for decades and became a major supplier during the electronics industry's transition from traditional through-hole construction to automated surface-mount manufacturing.

Earlier electronics typically used cylindrical leaded resistors installed through holes in printed circuit boards. As radios, computers, communications equipment, automotive modules, test equipment, industrial controls, and consumer electronics became progressively smaller, manufacturers increasingly adopted rectangular chip resistors that could be installed rapidly by automated pick-and-place equipment.

The 0402 package represents a major stage in electronic miniaturization. Measuring only around 1.0 mm long by 0.5 mm wide, a 0402 resistor occupies a tiny fraction of the board space required by traditional leaded resistors. Large numbers of these devices can therefore be positioned around processors, converters, RF sections, communication devices, control ICs, and other densely packed circuitry.

Panasonic's ERJ series became a major family of surface-mount resistors covering numerous resistance values, package sizes, tolerances, power ratings, and specialized performance requirements. The ERJ-2RK family combines the compact 0402 format with 1% tolerance and AEC-Q200 automotive qualification.

The exact ERJ-2RKF10R0X also has documented equipment use. Analog Devices specifies this Panasonic 10-ohm 1/10W 1% 0402 resistor at reference designator R399 in the bill of materials for the ADSP-SC584 EZ-Board evaluation system. This provides a documented real-world application for the exact manufacturer part rather than merely a generic 10-ohm replacement.

The RF Boneyard stock is older unused distributor inventory carrying date code 1816. Despite the age of this particular stock, the exact Panasonic component remains commercially active.