RC3225J820CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225J820CS is an 82 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format with 0.333W power rating. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). The part is suitable for general-purpose applications requiring moisture-resistant thick film construction across the -55°C to 155°C operating temperature range.

Equivalent and substitute parts are identified when design requirements permit tolerance relaxation, power rating increases, or when alternative manufacturers provide compatible specifications within the same package footprint and electrical parameters.

Substiute Parts

RC3225J820CS

Samsung Electro-MechanicsIn Stock: 755RC3225J820CS Datasheet

Current PartRFQ

AC1210FR-0782RL

YAGEOIn Stock: 11080AC1210FR-0782RL Datasheet

UpgradeRFQ

RC1210FR-0782RL

YAGEOIn Stock: 2928RC1210FR-0782RL Datasheet

UpgradeRFQ

RC1210JR-0782RL

YAGEOIn Stock: 11063RC1210JR-0782RL Datasheet

UpgradeRFQ

ERJ-14YJ820U

Panasonic Electronic ComponentsIn Stock: 35677ERJ-14YJ820U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for the RC3225J820CS is determined by the following criteria:

Primary Compatibility Factors:

• Resistance value: 82 Ohms (exact match required)
• Package format: 1210 (3225 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Operating temperature range: -55°C ~ 155°C (minimum requirement)
• RoHS3 compliance: Required for regulatory alignment

Allowable Variations:

• Tolerance: ±5% (main part) to ±1% (upgrade substitutes) — tighter tolerance is acceptable
• Power rating: 0.333W (main part) to 0.5W (upgrade substitutes) — higher power rating is acceptable
• Temperature coefficient: ±100ppm/°C to ±200ppm/°C — minor variation acceptable within thick film technology
• Automotive qualification: AEC-Q200 certification is an enhancement, not a requirement for general-purpose applications

Substitution Categories:

Upgrade Substitutes (Enhanced specifications, direct replacement capability):

• AC1210FR-0782RL (YAGEO): ±1% tolerance, 0.5W power, AEC-Q200 qualified
• RC1210FR-0782RL (YAGEO): ±1% tolerance, 0.5W power
• RC1210JR-0782RL (YAGEO): ±5% tolerance, 0.5W power (same tolerance as main part)

Similar Substitutes (Compatible but with noted differences):

• ERJ-14YJ820U (Panasonic): ±5% tolerance, 0.5W power, AEC-Q200 qualified, Not For New Designs status

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Active Product Status):

The YAGEO RC1210JR-0782RL is the primary equivalent substitute. It maintains the ±5% tolerance specification of the original RC3225J820CS while providing increased power rating (0.5W vs. 0.333W) within the identical 1210 package footprint. Both components share ±100ppm/°C temperature coefficient and -55°C to 155°C operating range. Product status is Active for both manufacturers, ensuring continued availability and supply chain stability.

For Enhanced Performance (Tighter Tolerance):

The YAGEO RC1210FR-0782RL and AC1210FR-0782RL both offer ±1% tolerance, representing a specification upgrade from the original ±5%. These parts are suitable for applications requiring improved accuracy. The AC1210FR-0782RL includes AEC-Q200 automotive qualification, appropriate for automotive-grade circuit designs. Both maintain 0.5W power rating and identical thermal characteristics.

For Legacy or Automotive Applications:

The Panasonic ERJ-14YJ820U carries AEC-Q200 automotive qualification and ±5% tolerance matching the original part. However, this component is designated "Not For New Designs" by the manufacturer. Selection of this part is limited to legacy system maintenance or existing automotive platform continuity where design freeze conditions apply.

Compliance Verification:

All listed substitutes maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range. No additional environmental or regulatory screening is required for direct substitution in applications currently using the RC3225J820CS.

Frequently Asked Questions (FAQ)

Q: Can RC1210JR-0782RL replace RC3225J820CS in all applications?

A: Yes, within the constraints of circuit design. The RC1210JR-0782RL is electrically and mechanically compatible. Both components are 82 Ohm ±5% thick film resistors in 1210 package with identical temperature coefficients and operating ranges. The higher power rating (0.5W vs. 0.333W) of the substitute provides additional thermal margin and does not create incompatibility.

Q: What is the difference between upgrade substitutes AC1210FR-0782RL and RC1210FR-0782RL?

A: Both are YAGEO 82 Ohm ±1% 0.5W 1210 resistors with identical electrical specifications. The AC1210FR-0782RL includes AEC-Q200 automotive qualification; the RC1210FR-0782RL does not. Selection depends on whether automotive-grade certification is required by the application or procurement specification.

Q: Why is ERJ-14YJ820U marked "Not For New Designs"?

A: This Panasonic designation indicates the manufacturer is discontinuing this product line for new applications. While the part remains functionally compatible and is currently in stock, it should not be selected for new circuit designs. Use YAGEO alternatives (RC1210JR-0782RL, RC1210FR-0782RL, or AC1210FR-0782RL) for new designs to ensure long-term supply availability.

Q: Are there physical dimension differences between the main part and substitutes?

A: Minor dimensional variations exist within manufacturing tolerance. The RC3225J820CS measures 0.126" L × 0.100" W (3.20mm × 2.55mm) with 0.026" max height. YAGEO substitutes measure 0.122" L × 0.102" W (3.10mm × 2.60mm) with 0.024" max height. The Panasonic ERJ-14YJ820U measures 0.126" L × 0.098" W (3.20mm × 2.50mm) with 0.028" max height. All variations remain within 1210 package specification and do not affect PCB layout or mounting.

Q: Can tolerance be relaxed from ±5% to ±1% without circuit redesign?

A: Tolerance tightening (±5% to ±1%) is a specification improvement that does not require circuit redesign. Applications designed for ±5% tolerance will function correctly with ±1% components. The tighter tolerance provides better accuracy but does not introduce incompatibility.

Q: What is the temperature coefficient significance for these resistors?

A: Temperature coefficient indicates resistance value drift over temperature. The main part and most substitutes specify ±100ppm/°C; the Panasonic ERJ-14YJ820U specifies ±200ppm/°C. Both values are within thick film technology standards. For applications operating across the full -55°C to 155°C range, the ±100ppm/°C specification provides slightly better stability, but ±200ppm/°C remains acceptable for general-purpose circuits.

Q: Is packaging format (Tape & Reel vs. bulk) a substitution factor?

A: Packaging format affects procurement and handling but not electrical or mechanical compatibility. The RC3225J820CS is listed with "-" packaging; YAGEO and Panasonic substitutes are supplied in Tape & Reel (TR) format. Both formats contain identical components; TR packaging is standard for automated assembly and does not affect circuit performance.