RC0402J681CS Equivalent & Substitute Parts Reference

Part Overview

The RC0402J681CS is a 680 Ohms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.03W (1/32W) power dissipation in the 01005 (0402 Metric) package. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). The part is supplied in Cut Tape (CT) packaging with 906 pieces currently in stock inventory.

Equivalent and substitute parts are identified when they maintain identical electrical specifications (resistance value, tolerance, power rating, operating temperature range) and mechanical compatibility (package type, dimensions, termination count) while potentially offering variations in composition features, temperature coefficient performance, or packaging format that may benefit specific application requirements.

Substiute Parts

RC0402J681CS

Samsung Electro-MechanicsIn Stock: 939RC0402J681CS Datasheet

Current PartRFQ

ERJ-XGNJ681Y

Panasonic Electronic ComponentsIn Stock: 26329ERJ-XGNJ681Y Datasheet

UpgradeRFQ

RC0100FR-07680RL

YAGEOIn Stock: 16230RC0100FR-07680RL Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC0402J681CS is determined by strict adherence to the following core parameters:

Critical Matching Parameters (Non-Negotiable):

• Resistance value: 680 Ohms
• Package type: 01005 (0402 Metric)
• Power rating: 0.03W (1/32W) minimum
• Operating temperature range: -55°C to 125°C minimum
• Number of terminations: 2
• Physical dimensions: 0.40mm L × 0.20mm W
• Composition: Thick Film

Allowable Variation Parameters:

• Tolerance: ±5% or tighter (±1% acceptable as upgrade)
• Temperature coefficient: ±250ppm/°C or better
• Packaging format: Cut Tape (CT) or Tape & Reel (TR) interchangeable
• Moisture resistance feature: Present or absent
• Manufacturer: Any qualified supplier

The identified substitute parts maintain all critical matching parameters while offering specific advantages in tolerance specification or packaging availability.

Parameter Comparison

Engineering Selection Recommendations

ERJ-XGNJ681Y (Panasonic Electronic Components)

This substitute maintains full electrical and mechanical compatibility with the RC0402J681CS. The Panasonic part offers improved temperature coefficient performance (±200ppm/°C versus ±250ppm/°C) while retaining ±5% tolerance specification. Packaging is supplied in Tape & Reel (TR) format, suitable for automated assembly environments. All regulatory certifications (RoHS3, REACH Unaffected, EAR99) are equivalent. Inventory availability is significantly higher at 26,274 pieces.

RC0100FR-07680RL (YAGEO)

This substitute provides enhanced tolerance specification at ±1% compared to the RC0402J681CS ±5% tolerance, with equivalent temperature coefficient performance (±200ppm/°C). The YAGEO part includes moisture resistance feature matching the original Samsung component. Packaging is supplied in Tape & Reel (TR) format. All regulatory certifications are equivalent. This option is suitable for applications requiring tighter resistance tolerance control. Inventory availability is 16,156 pieces.

Both substitute parts are classified as Active product status with unlimited moisture sensitivity rating (MSL 1), ensuring equivalent reliability and handling characteristics to the original component.

Frequently Asked Questions (FAQ)

Q: Can ERJ-XGNJ681Y be used as a direct replacement for RC0402J681CS in production assembly?

A: Yes. Both parts share identical resistance value (680 Ohms), tolerance (±5%), power rating (0.03W), package type (01005/0402 Metric), operating temperature range (-55°C to 125°C), and physical dimensions (0.40mm × 0.20mm). The primary difference is packaging format (Tape & Reel versus Cut Tape) and temperature coefficient specification (±200ppm/°C versus ±250ppm/°C). Tape & Reel format is compatible with standard pick-and-place assembly equipment.

Q: What is the advantage of RC0100FR-07680RL over the original RC0402J681CS?

A: The YAGEO RC0100FR-07680RL offers tighter tolerance specification at ±1% compared to ±5%, providing improved resistance value accuracy. Temperature coefficient is also improved at ±200ppm/°C. Both parts include moisture resistance feature and maintain identical package dimensions and electrical ratings. Selection depends on application tolerance requirements.

Q: Are all three parts RoHS3 compliant?

A: Yes. RC0402J681CS, ERJ-XGNJ681Y, and RC0100FR-07680RL are all ROHS3 Compliant with REACH Unaffected status and EAR99 ECCN classification, ensuring equivalent regulatory compliance across all substitute options.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) packaging supplies components in individual strips suitable for manual handling and small-volume applications. Tape & Reel (TR) packaging supplies components on continuous reels compatible with automated pick-and-place assembly equipment. Both formats contain identical components; packaging selection depends on assembly process requirements.

Q: Can these parts be used interchangeably in high-precision circuits?

A: ERJ-XGNJ681Y and RC0100FR-07680RL both offer improved temperature coefficient performance (±200ppm/°C) compared to RC0402J681CS (±250ppm/°C). For applications requiring tighter tolerance control, RC0100FR-07680RL with ±1% tolerance is preferred. For standard tolerance applications, all three parts are functionally equivalent.

Q: What is MSL 1 rating and why is it important?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life with no moisture precautions required. All three parts carry MSL 1 rating, ensuring equivalent storage and handling characteristics without special environmental controls.