RC1005J821CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005J821CS is a 820 Ohms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated at 0.063W (1/16W) power dissipation with moisture resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching or exceeding the core electrical and mechanical specifications: 820 Ohm resistance value, 0402 package geometry, thick film composition, and compatible operating temperature range. Substitutes are categorized by tolerance grade and feature set to enable direct replacement or performance-enhanced alternatives.

Substiute Parts

RC1005J821CS

Samsung Electro-MechanicsIn Stock: 871RC1005J821CS Datasheet

Current PartRFQ

ERJ-2GEJ821X

Panasonic Electronic ComponentsIn Stock: 156172ERJ-2GEJ821X Datasheet

DirectRFQ

RC0402JR-07820RL

YAGEOIn Stock: 56191RC0402JR-07820RL Datasheet

DirectRFQ

ERJ-2RKF8200X

Panasonic Electronic ComponentsIn Stock: 5201ERJ-2RKF8200X Datasheet

UpgradeRFQ

RC0402FR-07820RL

YAGEOIn Stock: 500440RC0402FR-07820RL Datasheet

UpgradeRFQ

RMCF0402FT820R

Stackpole Electronics IncIn Stock: 126528RMCF0402FT820R Datasheet

UpgradeRFQ

AC0402JR-07820RL

YAGEOIn Stock: 9058AC0402JR-07820RL Datasheet

SimilarRFQ

RMCF0402JT820R

Stackpole Electronics IncIn Stock: 43915RMCF0402JT820R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC1005J821CS is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 820 Ohms
• Package format: 0402 (1005 Metric)
• Composition: Thick film
• Operating temperature range: -55°C to 155°C minimum
• RoHS3 compliance status

Tolerance Classification: Substitute parts are grouped into tolerance grades. The main part specifies ±5% tolerance. Direct equivalents maintain ±5% tolerance. Upgrade substitutes offer ±1% tolerance for applications requiring tighter tolerance control.

Power Rating Consideration: The main part is rated at 0.063W (1/16W). Direct equivalents match this rating. Some substitutes offer 0.1W (1/10W) rating, providing higher power dissipation capability within the same package footprint.

Feature Differentiation: Substitutes are further categorized by additional certifications and features:

• Moisture Resistant: Standard feature on main part
• Automotive AEC-Q200: Enhanced reliability qualification for automotive applications
• Temperature Coefficient: Main part specifies ±100ppm/°C; some substitutes maintain this specification

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications):

RC0402JR-07820RL (YAGEO) provides direct functional equivalence to RC1005J821CS with matching 820Ω resistance, ±5% tolerance, 0.063W power rating, ±100ppm/°C temperature coefficient, and moisture resistant construction. Both parts maintain identical operating temperature range and RoHS3 compliance. This substitute is suitable for one-to-one replacement in existing designs.

Direct Equivalents with Enhanced Features:

AC0402JR-07820RL (YAGEO) and RMCF0402JT820R (Stackpole Electronics Inc) match all electrical specifications of the main part while adding Automotive AEC-Q200 qualification. These parts are suitable for applications requiring automotive-grade reliability without design modification.

ERJ-2GEJ821X (Panasonic Electronic Components) maintains ±5% tolerance and 820Ω resistance with identical operating temperature range. The 0.1W power rating provides increased thermal margin within the same 0402 package. Temperature coefficient is ±200ppm/°C, which differs from the main part specification of ±100ppm/°C. This substitute is applicable where higher power dissipation capability is beneficial.

Upgrade Substitutes (Enhanced Tolerance):

RC0402FR-07820RL (YAGEO), ERJ-2RKF8200X (Panasonic Electronic Components), and RMCF0402FT820R (Stackpole Electronics Inc) offer ±1% tolerance compared to the main part's ±5% tolerance. All three maintain 820Ω resistance, 0.063W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. These upgrades are specified for applications requiring tighter resistance tolerance control. ERJ-2RKF8200X and RMCF0402FT820R include Automotive AEC-Q200 qualification.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and 0402 package geometry, ensuring mechanical and environmental compatibility with the original RC1005J821CS design.

Frequently Asked Questions (FAQ)

Q: Can RC0402JR-07820RL replace RC1005J821CS in production?

A: Yes. RC0402JR-07820RL (YAGEO) is a direct equivalent with identical electrical specifications: 820Ω ±5%, 0.063W power rating, ±100ppm/°C temperature coefficient, and moisture resistant construction. Both parts operate across -55°C to 155°C and comply with RoHS3. No design modification is required.

Q: What is the difference between direct equivalents and upgrade substitutes?

A: Direct equivalents match the main part's tolerance specification (±5%). Upgrade substitutes offer tighter tolerance (±1%) for applications requiring improved resistance accuracy. Electrical performance and package compatibility remain equivalent across both categories.

Q: Why do some substitutes have 0.1W power rating instead of 0.063W?

A: The 0.1W (1/10W) rating provides higher power dissipation capability within the same 0402 package footprint. This is a performance enhancement that does not affect compatibility. Applications designed for 0.063W operation remain fully compatible with 0.1W-rated substitutes.

Q: Are Automotive AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification indicates enhanced reliability testing and quality assurance. Parts meeting this standard are suitable for any application, including non-automotive designs. The qualification represents a superset of standard reliability requirements.

Q: Does temperature coefficient difference affect part selection?

A: Temperature coefficient (±100ppm/°C vs ±200ppm/°C) affects resistance stability across temperature extremes. The main part and most direct equivalents specify ±100ppm/°C. ERJ-2GEJ821X specifies ±200ppm/°C. For applications with strict temperature stability requirements, maintain the ±100ppm/°C specification. For general applications, both specifications are acceptable within the -55°C to 155°C operating range.

Q: Can multiple substitute parts be used interchangeably in the same design?

A: Yes, provided the selected substitute meets the application's tolerance and power dissipation requirements. All listed substitutes maintain 0402 package geometry, 820Ω resistance, and -55°C to 155°C operating range. Verify tolerance grade (±5% or ±1%) and feature requirements (moisture resistant, AEC-Q200) match application specifications before selection.

Q: What packaging formats are available for these substitutes?

A: The main part RC1005J821CS is supplied in Cut Tape (CT) format. Substitute parts are available in Tape & Reel (TR) format for high-volume production or Cut Tape (CT) & Digi-Reel® format for mixed-volume applications. Verify packaging format availability with supplier before procurement.