RC1608F434CS Equivalent & Substitute Parts

Part Overview

The RC1608F434CS is a 430 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). The RC1608F434CS is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact surface-mount form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, package compatibility, and regulatory compliance standards.

Substiute Parts

RC1608F434CS

Samsung Electro-MechanicsIn Stock: 1169RC1608F434CS Datasheet

Current PartRFQ

RC0603FR-07430KL

YAGEOIn Stock: 135749RC0603FR-07430KL Datasheet

DirectRFQ

AC0603FR-07430KL

YAGEOIn Stock: 15270AC0603FR-07430KL Datasheet

SimilarRFQ

CRCW0603430KFKEA

Vishay DaleIn Stock: 5361CRCW0603430KFKEA Datasheet

SimilarRFQ

ERJ-3EKF4303V

Panasonic Electronic ComponentsIn Stock: 53668ERJ-3EKF4303V Datasheet

SimilarRFQ

RMCF0603FT430K

Stackpole Electronics IncIn Stock: 8822RMCF0603FT430K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F434CS are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

Electrical Parameters:

• Resistance value: 430 kOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters:

• Package type: 0603 (1608 Metric)
• Number of terminations: 2
• Physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) nominal
• Height seated maximum: 0.022" (0.55mm) nominal

Regulatory & Compliance Parameters:

• RoHS3 compliance
• REACH unaffected status
• Moisture sensitivity level: 1 (Unlimited)

All substitute parts listed maintain identical electrical specifications and package compatibility. Variations in physical dimensions within the 0603 package specification and additional certifications (such as AEC-Q200 automotive qualification) do not affect functional substitution for non-automotive applications.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to the RC1608F434CS for applications requiring 430 kOhms ±1% resistive elements in 0603 package format. Selection among equivalent parts is based on the following criteria:

General-Purpose Applications: RC0603FR-07430KL (YAGEO) provides direct equivalence with identical electrical and mechanical specifications. This part maintains the same moisture-resistant thick film composition and unlimited MSL rating.

Automotive Applications: AC0603FR-07430KL (YAGEO), CRCW0603430KFKEA (Vishay Dale), ERJ-3EKF4303V (Panasonic), and RMCF0603FT430K (Stackpole) are qualified to AEC-Q200 automotive standards. These parts are suitable for automotive-grade circuit designs requiring enhanced reliability qualification.

Availability Considerations: All substitute parts maintain Active product status. Inventory levels vary by manufacturer and distributor. RC0603FR-07430KL (YAGEO) and ERJ-3EKF4303V (Panasonic) demonstrate higher inventory availability at 135,645 and 53,600 units respectively.

Regulatory Compliance: All parts listed are RoHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance restrictions for electronic components.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07430KL replace RC1608F434CS directly?

A: Yes. RC0603FR-07430KL is a direct substitute. Both parts share identical electrical specifications (430 kOhms ±1%, 0.1W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and 0603 package format. Both are RoHS3 compliant with MSL 1 rating.

Q: What is the difference between standard and AEC-Q200 qualified parts?

A: AEC-Q200 qualification indicates automotive-grade reliability testing and qualification. AC0603FR-07430KL, CRCW0603430KFKEA, ERJ-3EKF4303V, and RMCF0603FT430K carry AEC-Q200 certification. For non-automotive applications, this additional qualification does not affect functional performance but may impact cost and lead time.

Q: Are there physical dimension differences between substitute parts?

A: Nominal dimensions are 0.063" L x 0.031" W (1.60mm x 0.80mm) for most parts. CRCW0603430KFKEA and RMCF0603FT430K show minor variations: CRCW0603430KFKEA is 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" height, and RMCF0603FT430K is 0.061" L x 0.031" W (1.55mm x 0.80mm). These variations remain within 0603 package specification tolerances and do not affect PCB layout compatibility.

Q: Can I use these parts interchangeably in production?

A: Yes, for applications with identical electrical and thermal requirements. All parts maintain 430 kOhms ±1% resistance, 0.1W power rating, and -55°C ~ 155°C operating range. Verify that your PCB design accommodates the 0603 package format and that thermal management requirements are met.

Q: What is MSL 1 and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, meaning they can be stored and handled without special moisture control procedures prior to soldering.

Q: Which substitute part has the best availability?

A: RC0603FR-07430KL (YAGEO) shows the highest inventory at 135,645 units. ERJ-3EKF4303V (Panasonic) is the second option with 53,600 units available.