Panasonic ERJ-3EKF4701V 4.7K ohm 1% 0.1W 0603 Automotive SMD Resistor 100 PCS

Panasonic ERJ-3EKF4701V surface-mount thick-film resistor rated 4.7K ohm, ±1% tolerance, and 0.1 W in the 0603 / 1608 metric package.

This device belongs to Panasonic’s ERJ automotive-grade resistor family and is suitable for bias networks, pull-up and pull-down circuits, voltage dividers, feedback networks, digital interfaces, signal conditioning, control circuits, and other general board-level applications.

Original Digi-Key packaging identifies Panasonic ERJ-3EKF4701V, 4.7K ohm, 1% tolerance, 1/10 W, 0603 package, and country of origin China.

Lifecycle: ACTIVE.

HISTORICAL BACKGROUND: Panasonic traces its origins to 1918, when Konosuke Matsushita founded the company that later became one of Japan’s largest electronics manufacturers. Panasonic developed broad component product lines alongside its consumer electronics business, including resistors, capacitors, relays, switches, sensors, batteries, semiconductors, and industrial electronic components.

The ERJ series became one of Panasonic’s major surface-mount resistor families as electronics manufacturing shifted toward automated PCB assembly. Thick-film construction uses a resistive material deposited onto a ceramic substrate and trimmed to the required resistance value, producing compact components suitable for high-volume production.

The 0603 package became one of the most widely used SMD resistor sizes because it provides a practical balance between compact board area, power handling, automated placement, and ease of rework.

A 4.7K-ohm value is one of the most commonly used standard resistor values in electronic design. It appears frequently in transistor biasing, logic pull-up and pull-down networks, feedback circuits, LED support circuitry, signal conditioning, interface circuits, and general analog and digital electronics.

The ±1% tolerance provides better value control than traditional ±5% general-purpose resistor stock, making the part useful where circuit behavior depends more closely on the intended resistance value.