What are the key features of KOA RK73H2ETTD4991F?

This product belongs to the Thick Film Resistors - SMD category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by KOA with full traceability.

What are the main application scenarios for RK73H2ETTD4991F?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does RK73H2ETTD4991F work?

This device follows established Thick Film Resistors - SMD design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of RK73H2ETTD4991F?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for RK73H2ETTD4991F?

The global Thick Film Resistors - SMD market is growing at ~6-8% CAGR, with particularly strong demand in power management. KOA RK73H2ETTD4991F is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of RK73H2ETTD4991F?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, KOA provides full technical support and reference designs.

RK73H2ETTD4991F Thick Film Resistors - SMD 1/2watt 4.99Kohms 1% by KOA

RK73H2ETTD4991F | KOA Thick Film Resistors - SMD 1/2watt 4.99Kohms 1%

Category: Thick Film Resistors - SMD

Brand: KOA

Thick Film Resistors - SMD 1/2watt 4.99Kohms 1%

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Thick Film Resistors - SMD 1/2watt 4.99Kohms 1%

Technical Parameters

Brand	KOA
Case Code (Inch)	0402
Category	Thick Film Resistors - SMD
Composition	Thick Film
Data Tier	Family Level
Description	Thick Film Resistors - SMD 1/2watt 4.99Kohms 1%
ECCN	EAR99
Halogen Free	Yes
Manufacturer	KOA Speer
Mounting Type	Surface Mount
Operating Temperature	-55 to +155 C
Packaging	Tape & Reel
Power Rating	0.063 W
Product Type	Thick Film Resistor
REACH	Compliant
Resistance	4 kohm
RoHS	Compliant
Series	RK73H
Size (L x W)	1.0 x 0.5 mm
Standard Pack Qty	5000
Temperature Coefficient	+/-100 ppm/C
Termination	Solder Plated
Tolerance	+/-1%

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

RK73H2ETTD4991F Application and Selection Guide

RK73H2ETTD4991F Model and Manufacturer Information

RK73H2ETTD4991F, a Thick Film Resistors - SMD manufactured by KOA: RK73H2ETTD4991F helps you confirm the specific model, while KOA helps you confirm the product source. If you are selecting a part, you can first check whether RK73H2ETTD4991F meets your requirements, then check whether KOA matches your expectations, and then refer to Thick Film Resistors - SMD 1/2watt 4.99Kohms 1% for further evaluation.

RK73H2ETTD4991F Product Parameters and Description

The main parameters of KOA's Thick Film Resistors - SMD product RK73H2ETTD4991F include Thick Film Resistors - SMD 1/2watt 4.99Kohms 1%. This is a Thick Film Resistors - SMD produced by KOA, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

RK73H2ETTD4991F Application and Selection Reference

KOA's Thick Film Resistors - SMD product RK73H2ETTD4991F has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, RK73H2ETTD4991F is a Thick Film Resistors - SMD solution worth considering, and manufacturer KOA provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for RK73H2ETTD4991F

Designers looking for RK73H2ETTD4991F recommended parts can evaluate the following options. RK73H2ETTD4991F selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
RK731ETTP1003F	KOA	-
RK73B3ATTE100J	KOA	Res Thick Film 2512 10 Ohm 5% 1W ±200ppm/C Pad SMD Automotive T/R
WK73R2ATTD4300F	KOA	Fixed Resistor, 1W, 430ohm, 200V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 0508, CHIP

EZKEY can provide RK73H2ETTD4991F recommended part comparison data and engineering samples for evaluation.