What are the primary applications for this resistor?

It is widely used in home appliances, computers, communications equipment, industrial automation, and consumer electronics.

What are the key electrical specifications?

It has a power rating of 100mW, a maximum overload voltage of 50V, and a temperature coefficient of ±100ppm/℃.

What should be considered during assembly?

The component is designed for reflow and wave soldering. Ensure the PCB pad size matches the 0603 footprint to prevent thermal stress cracks.

Is this component RoHS compliant?

Yes, the Fenghua thick film chip resistor series is compliant with RoHS directives and halogen-free requirements.

What should sourcing teams check before buying RS-03K4991FT?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of RS-03K4991FT?

Use the RS-03K4991FT datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about RS-03K4991FT pinout to locate pins, power rails, and interface signals before layout.

RS-03K4991FT Datasheet, Specs, Alternatives & ECAD | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

Q: What is the RS-03K4991FT?

It is a 0603-sized thick film chip resistor manufactured by Fenghua, featuring a resistance of 4.99kΩ and a 1% tolerance.

AI summary

The RS-03K4991FT is a reliable 0603 thick film chip resistor from Fenghua, suitable for general-purpose SMT applications.

Best for

General purpose signal conditioning
Voltage dividers
Pull-up/pull-down resistors

Avoid if

High-precision applications requiring <0.1% tolerance
High-power circuits exceeding 100mW

Check before use

PCB footprint compatibility
Thermal management in high-density designs

Key specifications

Resistance: 4.99 kΩ
Tolerance: ±1%
Power Rating: 100 mW
Package: 0603

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: 1
ECCN: -
HTSUS: -

Application

Consumer ElectronicsIndustrial Automation

Datasheet

d92d8e2d4050d9c5a42d3c5b321f9258_2304140030_FH--Guangdong-Fenghua-Advanced-Tech-RS-03K4991FT_C304758.pdf

800 KB

Datasheet AI

CAD Models

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Where to Buy

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Alternative components

Part	Details	Match
FRC0603F4991TSFOJAN	Pin-compatible thick film resistor with identical resistance, tolerance, and power rating.	Needs validation

Design and risk insights

Questions & answers

It is a 0603-sized thick film chip resistor manufactured by Fenghua, featuring a resistance of 4.99kΩ and a 1% tolerance.

RTT035001FTPRALEC	Pin-compatible thick film resistor with a negligible 0.2% difference in resistance.	Needs validation
AR03BTCX5001Viking Tech	An upgrade path with better tolerance and TCR, but uses different (thin film) technology.	Needs validation
0603WAF4991T5EUNI-ROYAL	A likely pin-compatible match, but requires datasheet review to confirm the missing TCR specification.	Needs validation

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the RS-03K4991FT?+×

What are the primary applications for this resistor?+×

What are the key electrical specifications?+×

What should be considered during assembly?+×

Is this component RoHS compliant?+×

What should sourcing teams check before buying RS-03K4991FT?+×

What is the pinout of RS-03K4991FT?+×