RC1608F4533CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F4533CS is a 453 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 MSL Level 1 (Unlimited moisture sensitivity). The part is designed for general-purpose applications requiring moisture-resistant thick film construction across industrial temperature ranges (-55°C to 155°C). Equivalent and substitute parts are identified when manufacturers discontinue production, inventory becomes unavailable, or design requirements necessitate alternative sourcing from qualified manufacturers meeting identical electrical and mechanical specifications.

Substiute Parts

RC1608F4533CS

Samsung Electro-MechanicsIn Stock: 2282RC1608F4533CS Datasheet

Current PartRFQ

CR0603-FX-4533ELF

Bourns Inc.In Stock: 8813CR0603-FX-4533ELF Datasheet

DirectRFQ

RC0603FR-07453KL

YAGEOIn Stock: 2237RC0603FR-07453KL Datasheet

DirectRFQ

CRCW0603453KFKEA

Vishay DaleIn Stock: 24061CRCW0603453KFKEA Datasheet

SimilarRFQ

ERJ-3EKF4533V

Panasonic Electronic ComponentsIn Stock: 188299ERJ-3EKF4533V Datasheet

SimilarRFQ

RMCF0603FT453K

Stackpole Electronics IncIn Stock: 9959RMCF0603FT453K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F4533CS are qualified based on strict electrical and mechanical parameter matching. All identified substitutes maintain identical resistance value (453 kOhms), tolerance (±1%), power rating (0.1W), package format (0603/1608 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All substitutes are RoHS3 compliant with MSL Level 1 rating, ensuring compatibility with moisture-sensitive assembly processes.

Substitutes are categorized into two groups:

Direct Substitutes maintain identical physical dimensions and moisture-resistant features without additional automotive qualification:

• CR0603-FX-4533ELF (Bourns Inc.)
• RC0603FR-07453KL (YAGEO)

Similar Substitutes meet all core electrical and mechanical requirements but include automotive AEC-Q200 qualification, providing enhanced reliability for automotive and high-reliability applications:

• CRCW0603453KFKEA (Vishay Dale)
• ERJ-3EKF4533V (Panasonic Electronic Components)
• RMCF0603FT453K (Stackpole Electronics Inc)

All substitutes are Active product status with current manufacturing and inventory availability.

Parameter Comparison

Engineering Selection Recommendations

For General Industrial Applications: CR0603-FX-4533ELF (Bourns Inc.) and RC0603FR-07453KL (YAGEO) are direct functional equivalents to RC1608F4533CS. Both maintain identical electrical specifications, temperature performance, and moisture resistance without automotive qualification. Selection between these options depends on packaging preference (Tape & Reel versus Cut Tape) and supply chain availability.

For Automotive and High-Reliability Applications: CRCW0603453KFKEA (Vishay Dale), ERJ-3EKF4533V (Panasonic Electronic Components), and RMCF0603FT453K (Stackpole Electronics Inc) are qualified to AEC-Q200 automotive standards while maintaining all core electrical and mechanical parameters. These parts are suitable for applications requiring automotive-grade component certification and enhanced reliability documentation.

All substitute parts are Active product status with current manufacturing support and documented inventory availability. Selection should be based on application requirements, packaging format needs, and supply chain logistics rather than technical performance, as all parts meet identical functional specifications.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-4533ELF replace RC1608F4533CS in any application?

A: CR0603-FX-4533ELF is electrically and mechanically equivalent to RC1608F4533CS. Both parts share identical resistance value (453 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The primary difference is packaging format: CR0603-FX-4533ELF is supplied in Tape & Reel while RC1608F4533CS is supplied in Cut Tape. Substitution is valid for applications not requiring automotive AEC-Q200 qualification.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes (CR0603-FX-4533ELF and RC0603FR-07453KL) match all electrical and mechanical specifications of RC1608F4533CS without additional automotive qualification. Similar substitutes (CRCW0603453KFKEA, ERJ-3EKF4533V, RMCF0603FT453K) meet identical core specifications but include AEC-Q200 automotive qualification. For non-automotive applications, direct substitutes are appropriate. For automotive or high-reliability applications, similar substitutes provide additional qualification documentation.

Q: Are there physical dimension differences between substitute parts?

A: All substitute parts conform to 0603 (1608 Metric) package format. Minor dimensional variations exist within standard tolerances: most parts measure 0.063" L x 0.031" W (1.60mm x 0.80mm) with height 0.022" (0.55mm), while CRCW0603453KFKEA and RMCF0603FT453K measure 0.061" L x 0.031-0.033" W (1.55mm x 0.80-0.85mm) with height 0.020-0.022" (0.50-0.55mm). These variations remain within 0603 package specification tolerances and do not affect PCB footprint compatibility.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. RC1608F4533CS and all identified substitute parts are rated MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions. All parts are suitable for standard assembly processes without special moisture control requirements.

Q: Which substitute part has the highest inventory availability?

A: ERJ-3EKF4533V (Panasonic Electronic Components) has documented inventory of 188,283 pieces. CRCW0603453KFKEA (Vishay Dale) has 23,983 pieces. CR0603-FX-4533ELF (Bourns Inc.) has 8,798 pieces. RC0603FR-07453KL (YAGEO) has 2,200 pieces. Inventory levels should be verified with suppliers for current availability.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. RC1608F4533CS and all substitute parts are RoHS3 compliant and REACH unaffected, meeting environmental regulatory requirements for electronic component manufacturing and use.