RC3225J751CS 750 Ohm Chip Resistor 1210 Equivalent & Substitute Parts

Part Overview

The RC3225J751CS is a 750 Ohm thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format. This component is rated for 0.333W (1/3W) power dissipation with ±5% tolerance and is designed for moisture-resistant applications across industrial and commercial temperature ranges. The part maintains Active product status with 893 pieces currently in stock.

Equivalent and substitute parts are identified when design requirements permit tolerance relaxation, power rating upgrades, or when primary sourcing becomes constrained. Substitute parts maintain identical resistance values and package dimensions while offering improved electrical specifications or enhanced reliability certifications.

Substiute Parts

RC3225J751CS

Samsung Electro-MechanicsIn Stock: 906RC3225J751CS Datasheet

Current PartRFQ

AC1210FR-07750RL

YAGEOIn Stock: 10849AC1210FR-07750RL Datasheet

UpgradeRFQ

RC1210FR-07750RL

YAGEOIn Stock: 9134RC1210FR-07750RL Datasheet

UpgradeRFQ

RC1210JR-07750RL

YAGEOIn Stock: 11184RC1210JR-07750RL Datasheet

UpgradeRFQ

CRCW1210750RFKEA

Vishay DaleIn Stock: 17749CRCW1210750RFKEA Datasheet

SimilarRFQ

ERJ-14NF7500U

Panasonic Electronic ComponentsIn Stock: 14693ERJ-14NF7500U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3225J751CS are classified into two categories based on electrical parameter compatibility:

Upgrade Substitutes maintain the ±5% tolerance specification while increasing power rating from 0.333W to 0.5W (1/2W), or improve tolerance to ±1% while maintaining or exceeding power capability. These parts are direct functional upgrades suitable for designs where the original specification permits higher power dissipation margins or tighter tolerance requirements.

Similar Substitutes offer equivalent electrical performance with enhanced automotive-grade certifications (AEC-Q200) or alternative manufacturer sourcing. These parts satisfy the same circuit requirements while providing additional qualification pathways for automotive or high-reliability applications.

Key substitution criteria:

• Resistance value: 750 Ohms (exact match required)
• Package: 1210 (3225 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature: -55°C to +155°C (exact match required)
• Tolerance: ±5% minimum (±1% acceptable as upgrade)
• Power Rating: 0.333W minimum (0.5W acceptable as upgrade)
• Moisture Sensitivity: MSL 1 (exact match required)
• RoHS Compliance: ROHS3 (exact match required)

Parameter Comparison

Engineering Selection Recommendations

RC1210JR-07750RL (YAGEO) is the primary upgrade substitute when design specifications permit tolerance relaxation from ±5% to ±5% with simultaneous power rating increase from 0.333W to 0.5W. This part maintains identical tolerance while providing 50% additional power dissipation margin. Active product status and high inventory (11,083 pcs) support production continuity. Moisture-resistant composition matches the original specification.

RC1210FR-07750RL (YAGEO) provides tolerance improvement to ±1% with 0.5W power rating. This substitute is selected when circuit design requires tighter resistance tolerance control while maintaining moisture-resistant properties. Active product status and substantial inventory (9,084 pcs) ensure supply reliability.

AC1210FR-07750RL (YAGEO) combines ±1% tolerance with 0.5W power rating and adds AEC-Q200 automotive qualification. This substitute is appropriate for designs requiring automotive-grade reliability certifications. Moisture-resistant composition is retained. Highest inventory availability (10,838 pcs) supports high-volume applications.

CRCW1210750RFKEA (Vishay Dale) offers ±1% tolerance, 0.5W power rating, and AEC-Q200 automotive certification. This substitute provides alternative manufacturer sourcing for automotive applications. Largest inventory (17,676 pcs) ensures supply security. Note: Moisture-resistant feature is not specified for this part.

ERJ-14NF7500U (Panasonic Electronic Components) provides ±1% tolerance, 0.5W power rating, and AEC-Q200 automotive certification with alternative manufacturer sourcing. Product status is "Not For New Designs," restricting use to legacy system maintenance or existing design continuity only. This part should not be selected for new circuit development.

Frequently Asked Questions (FAQ)

Q: Can RC1210JR-07750RL directly replace RC3225J751CS in existing designs?

A: Yes. RC1210JR-07750RL maintains ±5% tolerance and provides upgraded 0.5W power rating. The 1210 package dimensions are identical, and all electrical parameters including temperature coefficient, operating range, and moisture resistance match the original specification. This is a direct functional upgrade.

Q: What is the difference between RC1210FR-07750RL and RC1210JR-07750RL?

A: Both parts are manufactured by YAGEO in the 1210 package with 0.5W power rating. RC1210FR-07750RL offers ±1% tolerance compared to RC1210JR-07750RL's ±5% tolerance. Selection depends on circuit tolerance requirements. RC1210FR-07750RL is specified when tighter resistance control is necessary.

Q: Are AC1210FR-07750RL and CRCW1210750RFKEA suitable for non-automotive applications?

A: Yes. Both parts exceed the electrical requirements of the original RC3225J751CS and are suitable for any application accepting their specifications. AEC-Q200 automotive certification indicates enhanced reliability and does not restrict use to automotive circuits. These parts are appropriate for industrial, commercial, and consumer applications.

Q: Why is ERJ-14NF7500U marked "Not For New Designs"?

A: ERJ-14NF7500U carries "Not For New Designs" product status from Panasonic Electronic Components, indicating the manufacturer is discontinuing this part number for new circuit development. This part should be used only for maintaining existing designs or legacy system repairs. New designs should select from parts with Active product status: RC1210JR-07750RL, RC1210FR-07750RL, AC1210FR-07750RL, or CRCW1210750RFKEA.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Moisture Sensitivity Level 1) indicates the component requires no special moisture control during storage, handling, or assembly. These parts can be stored at standard ambient conditions without desiccant packaging or controlled humidity environments. All listed substitutes maintain MSL 1 rating.

Q: Can I use CRCW1210750RFKEA if moisture resistance is critical?

A: CRCW1210750RFKEA specifications do not explicitly list moisture-resistant composition. If moisture resistance is a design requirement, select RC1210JR-07750RL, RC1210FR-07750RL, or AC1210FR-07750RL, which all specify moisture-resistant thick film composition.

Q: What inventory considerations apply to substitute selection?

A: RC3225J751CS has 893 pcs in stock. All substitute parts have significantly higher inventory: RC1210JR-07750RL (11,083 pcs), RC1210FR-07750RL (9,084 pcs), AC1210FR-07750RL (10,838 pcs), CRCW1210750RFKEA (17,676 pcs), and ERJ-14NF7500U (14,658 pcs). Substitute selection provides improved supply security for production continuity.

Q: Are all listed parts ROHS3 compliant?

A: Yes. RC3225J751CS and all substitute parts are ROHS3 compliant, meeting European Union Restriction of Hazardous Substances regulations. All parts are suitable for applications requiring RoHS compliance.