RC1608F1693CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1693CS is a 169 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 with moisture-resistant construction and RoHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure functional interchangeability in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	169 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Resistance	Yes
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC1608F1693CS are grouped into two categories based on substitution classification and feature alignment:

Direct Substitutes (Functionally Equivalent):

CR0603-FX-1693ELF (Bourns Inc.)
RC0603FR-07169KL (YAGEO)

These parts match all critical electrical parameters: 169 kOhms resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Mechanical dimensions and termination count are identical. Both are Active status with RoHS3 compliance and MSL 1 rating.

Similar Substitutes (Enhanced Features):

AC0603FR-07169KL (YAGEO)
CRCW0603169KFKEA (Vishay Dale)
ERJ-3EKF1693V (Panasonic Electronic Components)
RMCF0603FT169K (Stackpole Electronics Inc)

These parts maintain all core electrical specifications but include Automotive AEC-Q200 qualification. Mechanical dimensions remain within acceptable tolerance ranges for 0603 package format. All are Active status with RoHS3 compliance and MSL 1 rating.

Substitution Criteria:

Resistance: 169 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power Rating: 0.1W minimum (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C to 155°C minimum (exact match required)
Composition: Thick Film (exact match required)
Terminations: 2 (exact match required)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Composition	Moisture Resistant	AEC-Q200	RoHS3	MSL
RC1608F1693CS	Samsung Electro-Mechanics	169 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	Yes	No	Yes	1
CR0603-FX-1693ELF	Bourns Inc.	169 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	Yes	No	Yes	1
RC0603FR-07169KL	YAGEO	169 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	Yes	No	Yes	1
AC0603FR-07169KL	YAGEO	169 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	Yes	Yes	Yes	1
CRCW0603169KFKEA	Vishay Dale	169 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	No	Yes	Yes	1
ERJ-3EKF1693V	Panasonic Electronic Components	169 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	No	Yes	Yes	1
RMCF0603FT169K	Stackpole Electronics Inc	169 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	No	Yes	Yes	1

Engineering Selection Recommendations

For General Industrial Applications: Select CR0603-FX-1693ELF (Bourns Inc.) or RC0603FR-07169KL (YAGEO) as direct substitutes. Both maintain identical electrical and mechanical specifications with Active product status and RoHS3 compliance. These parts provide equivalent performance without additional automotive qualification overhead.

For Automotive Applications: Select AC0603FR-07169KL (YAGEO), CRCW0603169KFKEA (Vishay Dale), ERJ-3EKF1693V (Panasonic Electronic Components), or RMCF0603FT169K (Stackpole Electronics Inc). All four parts carry AEC-Q200 automotive qualification while maintaining identical core electrical specifications. Selection among these four is based on availability, packaging preference (Tape & Reel vs. Cut Tape), and supply chain requirements.

Compliance Considerations: All substitute parts are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original RC1608F1693CS specification. REACH status is Unaffected for all parts. ECCN classification is EAR99 across all options.

Frequently Asked Questions (FAQ)

Q: Can I use AC0603FR-07169KL in place of RC1608F1693CS in a non-automotive circuit?

A: Yes. AC0603FR-07169KL meets all electrical and mechanical requirements of RC1608F1693CS. The AEC-Q200 automotive qualification is an additional feature that does not restrict use in general industrial applications. All core parameters—resistance, tolerance, power rating, package, temperature coefficient, and operating range—are identical.

Q: What is the difference between CR0603-FX-1693ELF and RMCF0603FT169K?

A: Both parts have identical electrical specifications (169 kΩ, ±1%, 0.1W, 0603 package). The primary differences are manufacturer (Bourns vs. Stackpole), packaging format (Tape & Reel vs. Tape & Reel), and automotive qualification (CR0603-FX-1693ELF lacks AEC-Q200; RMCF0603FT169K includes it). For non-automotive applications, either part is functionally equivalent.

Q: Are there dimensional differences between substitute parts?

A: Mechanical dimensions are within acceptable tolerance ranges for 0603 package format. The main part RC1608F1693CS specifies 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" (0.55mm) maximum seated height. CRCW0603169KFKEA has slightly different dimensions (0.061" L x 0.033" W, 1.55mm x 0.85mm, 0.020" height), but these variations remain within standard 0603 package tolerances and do not affect PCB layout or assembly compatibility.

Q: Can I mix different substitute parts in the same production batch?

A: Yes. All substitute parts meet identical electrical specifications and are mechanically compatible with 0603 footprints. However, for consistency in manufacturing records and traceability, it is standard practice to maintain a single part number per design revision unless explicitly approved by engineering change order.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life without special moisture control measures. The part does not require dry-pack storage or baking before soldering. This specification is identical across RC1608F1693CS and all substitute parts listed.

Q: Which substitute part has the highest inventory availability?

A: RC0603FR-07169KL (YAGEO) has 475,161 pieces in stock, followed by RMCF0603FT169K (Stackpole Electronics Inc) with 413,614 pieces. Both represent high-volume availability for immediate procurement.

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