RC1608F4120CS 412 Ohm 0603 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC1608F4120CS is a 412 Ohm ±1% thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is rated for 0.1W (1/10W) power dissipation with moisture-resistant construction and operates across -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 electrical specifications, package dimensions, and environmental ratings to ensure direct circuit board compatibility.

Substiute Parts

RC1608F4120CS

Samsung Electro-MechanicsIn Stock: 818RC1608F4120CS Datasheet

Current PartRFQ

RC0603FR-07412RL

YAGEOIn Stock: 371002RC0603FR-07412RL Datasheet

DirectRFQ

AC0603FR-07412RL

YAGEOIn Stock: 6190AC0603FR-07412RL Datasheet

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CRCW0603412RFKEA

Vishay DaleIn Stock: 22466CRCW0603412RFKEA Datasheet

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ERJ-3EKF4120V

Panasonic Electronic ComponentsIn Stock: 54884ERJ-3EKF4120V Datasheet

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RMCF0603FG412R

Stackpole Electronics IncIn Stock: 21117RMCF0603FG412R Datasheet

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RMCF0603FT412R

Stackpole Electronics IncIn Stock: 74643RMCF0603FT412R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F4120CS are classified into two categories based on application requirements and certifications:

Direct Equivalent (Non-Automotive): RC0603FR-07412RL (YAGEO) matches all electrical and mechanical parameters without automotive qualification. This part is suitable for general industrial and consumer applications where AEC-Q200 certification is not required.

Automotive-Qualified Substitutes (AEC-Q200): AC0603FR-07412RL, CRCW0603412RFKEA, ERJ-3EKF4120V, RMCF0603FG412R, and RMCF0603FT412R all meet automotive-grade reliability standards. These parts are interchangeable for applications requiring automotive qualification while maintaining identical electrical performance (412 Ohms ±1%, 0.1W, ±100ppm/°C).

Substitution Criteria: All substitute parts share the following mandatory parameters with the main part:

• Resistance: 412 Ohms
• Tolerance: ±1%
• Power Rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature: -55°C to 155°C
• Moisture Sensitivity: MSL 1
• RoHS Status: ROHS3 Compliant
• Terminations: 2

Parameter Comparison

Engineering Selection Recommendations

For Non-Automotive Applications: RC0603FR-07412RL (YAGEO) serves as the primary direct equivalent. This part maintains identical electrical specifications and moisture-resistant thick film construction without automotive qualification overhead. Selection is appropriate for consumer electronics, industrial control, and general-purpose applications where AEC-Q200 certification is not contractually required.

For Automotive Applications: Any of the five AEC-Q200 qualified substitutes (AC0603FR-07412RL, CRCW0603412RFKEA, ERJ-3EKF4120V, RMCF0603FG412R, RMCF0603FT412R) are suitable for automotive circuit designs. Selection among these options may be based on inventory availability, supply chain preferences, or existing design qualifications. All maintain ROHS3 compliance and identical electrical performance.

Inventory Considerations: ERJ-3EKF4120V (Panasonic) offers the highest inventory level at 54,798 pieces, followed by RC0603FR-07412RL (YAGEO) at 370,954 pieces. RMCF0603FT412R (Stackpole) provides 74,548 pieces for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07412RL be used as a direct replacement for RC1608F4120CS in automotive applications? A: RC0603FR-07412RL is electrically and mechanically identical but lacks AEC-Q200 automotive qualification. Use only in non-automotive circuits or where automotive certification is not required by design specifications.

Q: Are all substitute parts pin-compatible with the original RC1608F4120CS? A: Yes. All substitute parts feature identical 0603 (1608 Metric) package geometry with two terminations, ensuring direct PCB footprint compatibility.

Q: What is the difference between RMCF0603FG412R and RMCF0603FT412R? A: Both parts are manufactured by Stackpole Electronics with identical electrical specifications, resistance value, tolerance, power rating, and temperature coefficient. Differences exist only in internal construction or manufacturing process designation (FG vs. FT suffix). Both are AEC-Q200 qualified and functionally interchangeable.

Q: Does the RC1608F4120CS require special handling due to its MSL 1 rating? A: No. MSL 1 (Unlimited) indicates unlimited shelf life and no moisture sensitivity precautions are required. The component can be stored and handled under standard conditions without desiccant packaging or baking procedures.

Q: Can these 0603 resistors be used in high-frequency applications? A: The provided specifications do not include frequency response or high-frequency performance data. Consult manufacturer datasheets for frequency-dependent characteristics if required for RF or high-speed circuit applications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance identical to the original RC1608F4120CS.

Q: What is the significance of the ±100ppm/°C temperature coefficient? A: This specification indicates the resistor's resistance change per degree Celsius across the operating temperature range. All substitute parts share this identical temperature coefficient, ensuring equivalent thermal stability in circuit performance.