What are the key specifications?

Key specs include a 62.5 mW power rating, 50 V maximum working voltage, ±100 ppm/°C temperature coefficient, and an operating temperature range of -55°C to +155°C.

What should engineers review before using this resistor?

Engineers should verify that the circuit's power requirements are within the 62.5 mW limit and ensure the PCB layout supports the 0402 (1005 metric) footprint.

Is this component suitable for high-reliability applications?

Yes, the RC_L series is designed for high component and equipment reliability, making it suitable for a wide range of general-purpose applications.

What should sourcing teams check before buying RC0402FR-0749K9L?

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

What is the pinout of RC0402FR-0749K9L?

Use the RC0402FR-0749K9L datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about RC0402FR-0749K9L pinout to locate pins, power rails, and interface signals before layout.

RC0402FR-0749K9L Datasheet, Specs, Alternatives & ECAD | Yageo

Q: What is the RC0402FR-0749K9L?

It is a general-purpose thick film chip resistor manufactured by Yageo, featuring a resistance of 49.9 kΩ and a 1% tolerance in a compact 0402 surface-mount package.

AI summary

The Yageo RC0402FR-0749K9L is a reliable 49.9 kΩ, 1% tolerance thick film chip resistor in a 0402 package, ideal for general-purpose SMT applications.

Best for

General purpose electronics
Consumer devices
Industrial control circuits

Avoid if

High-precision applications requiring <0.1% tolerance
High-power circuits exceeding 62.5 mW

Check before use

Power dissipation limits
Thermal environment

Key specifications

Resistance: 49.9 kΩ
Tolerance: ±1%
Power Rating: 62.5 mW
Package: 0402

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: -
MSL: 1
ECCN: EAR99
HTSUS: 8533210030.0

Application

General PurposeConsumer Electronics

Datasheet

461316.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for RC0402FR-0749K9L: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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Where to Buy

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Alternative components

Part	Details	Match
RTT025002FTHRALEC	A 0402 resistor with identical power, tolerance, and TCR, but with a slightly different resistance value (50kΩ vs 49.9kΩ).	Needs validation

0603WAF4992T5EUNI-ROYAL	A functional alternative with matching resistance and TCR, but in a larger 0603 package with a higher power rating.	Needs validation
RC0402FR-0751KLYageo	A 0402 resistor with a different resistance value (51kΩ vs 49.9kΩ). All other key parameters match.	Needs validation
0805W8F4992T5EUNI-ROYAL	A functional alternative with matching resistance but in a larger 0805 package and higher power rating. Requires board redesign.	Needs validation

Design and risk insights

Questions & answers

It is a general-purpose thick film chip resistor manufactured by Yageo, featuring a resistance of 49.9 kΩ and a 1% tolerance in a compact 0402 surface-mount package.

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 RC0402FR-0749K9L?+×

What are the key specifications?+×

What should engineers review before using this resistor?+×

Is this component suitable for high-reliability applications?+×

What should sourcing teams check before buying RC0402FR-0749K9L?+×

What is the pinout of RC0402FR-0749K9L?+×