RC3225F1690CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F1690CS is a 169 Ohm ±1% 1/3W chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status. Equivalent and substitute parts are identified for applications requiring alternative sourcing, higher power ratings, or specific automotive qualifications while maintaining core electrical and mechanical compatibility.

Substiute Parts

RC3225F1690CS

Samsung Electro-MechanicsIn Stock: 906RC3225F1690CS Datasheet

Current PartRFQ

CRCW1210169RFKEA

Vishay DaleIn Stock: 5490CRCW1210169RFKEA Datasheet

SimilarRFQ

ERJ-14NF1690U

Panasonic Electronic ComponentsIn Stock: 20703ERJ-14NF1690U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC3225F1690CS is based on strict electrical and mechanical parameter matching:

Core Matching Criteria (Non-Negotiable):

• Resistance value: 169 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 1210 (3225 Metric) (exact match required for PCB compatibility)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match or better required)
• Terminations: 2 (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: MSL 1 (exact match required)

Flexible Parameter (Substitution Allowed):

• Power Rating: 0.333W minimum; higher ratings (0.5W, 1/2W) are acceptable substitutes as they provide greater thermal margin and reliability without affecting circuit function

Identified Substitutes:

1. CRCW1210169RFKEA (Vishay Dale) – Meets all core criteria with upgraded 0.5W power rating and automotive AEC-Q200 qualification
2. ERJ-14NF1690U (Panasonic Electronic Components) – Meets all core criteria with upgraded 0.5W power rating and automotive AEC-Q200 qualification; marked "Not For New Designs"

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: RC3225F1690CS (Samsung Electro-Mechanics)

• Active production status ensures long-term availability
• Specified 1/3W power rating matches exact application requirements
• Moisture-resistant thick film construction with MSL 1 rating
• ROHS3 compliant for regulatory requirements
• Recommended for new designs without automotive qualification requirements

Secondary Selection: CRCW1210169RFKEA (Vishay Dale)

• Active production status with high inventory availability (5403 pcs)
• Upgraded 1/2W power rating provides additional thermal margin
• AEC-Q200 automotive qualification for applications requiring automotive-grade components
• Identical electrical parameters and temperature performance
• Suitable for new designs, particularly in automotive or high-reliability applications
• Dimensions within acceptable tolerance for 1210 package footprint

Tertiary Selection: ERJ-14NF1690U (Panasonic Electronic Components)

• Marked "Not For New Designs" – use only for legacy system maintenance or replacement
• Upgraded 1/2W power rating with AEC-Q200 automotive qualification
• Highest inventory availability (20660 pcs) for immediate sourcing needs
• Identical electrical parameters and temperature performance
• Height specification (0.028" max) slightly higher than primary part; verify PCB clearance before substitution

Frequently Asked Questions (FAQ)

Q: Can CRCW1210169RFKEA replace RC3225F1690CS in new designs? A: Yes. CRCW1210169RFKEA meets all core electrical and mechanical parameters. The upgraded 0.5W power rating (versus 0.333W) provides additional thermal margin without affecting circuit function. Both parts are ROHS3 compliant, MSL 1, and operate across -55°C to 155°C. The primary difference is automotive AEC-Q200 qualification on the Vishay part, which is beneficial for reliability-critical applications.

Q: Why is ERJ-14NF1690U marked "Not For New Designs"? A: This designation indicates the manufacturer (Panasonic) is phasing out this product line. While the part meets all electrical and mechanical specifications and remains available in inventory, it should be used only for replacement or maintenance of existing systems. For new designs, select RC3225F1690CS or CRCW1210169RFKEA.

Q: Are there physical compatibility concerns between these three parts? A: All three parts use the 1210 (3225 Metric) package with identical length (0.126" / 3.20mm) and width (0.100" / 0.098" / 2.55mm to 2.50mm). Height variations are minimal (0.026" to 0.028" / 0.60mm to 0.70mm). These dimensional differences fall within standard PCB design tolerances for 1210 footprints. No physical compatibility issues exist.

Q: What is the significance of the ±100ppm/°C temperature coefficient? A: This specification indicates the resistor's resistance value changes by ±100 parts per million for each degree Celsius change in operating temperature. All three substitute parts share this identical specification, ensuring equivalent temperature stability and drift characteristics across the -55°C to 155°C operating range.

Q: Can I use a higher power-rated resistor (0.5W) in place of the 0.333W specification? A: Yes. Higher power ratings are acceptable substitutes. A 0.5W resistor dissipates heat more efficiently than a 0.333W resistor at the same current, reducing junction temperature and improving reliability. This substitution does not degrade circuit performance and is standard engineering practice for component selection.

Q: What does MSL 1 (Unlimited) mean for handling and storage? A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture-control storage conditions. The part does not absorb moisture during storage and does not require baking before soldering. All three substitute parts carry MSL 1 rating, ensuring identical handling requirements.

Q: Are all three parts ROHS3 compliant? A: Yes. RC3225F1690CS, CRCW1210169RFKEA, and ERJ-14NF1690U are all ROHS3 compliant, meeting EU Directive 2011/65/EU requirements for restricted hazardous substances. This compliance is maintained across all substitute selections.

Q: Which part should I select for automotive applications? A: CRCW1210169RFKEA or ERJ-14NF1690U are both AEC-Q200 qualified, meeting automotive industry reliability standards. CRCW1210169RFKEA is preferred for new automotive designs due to active production status. ERJ-14NF1690U is suitable only for replacement of existing automotive systems.