RC1608F200CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F200CS is a 20 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status with moisture resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and suitable for general industrial and commercial applications requiring precision resistive elements in compact form factors.

Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain optimization requires alternative sourcing, or when design requirements necessitate enhanced specifications such as automotive qualification or specialized environmental resistance.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	20 Ohms	Critical - Must Match Exactly
Tolerance	±1%	Critical - Must Match Exactly
Power Rating	0.1W (1/10W)	Critical - Must Match or Exceed
Package / Case	0603 (1608 Metric)	Critical - Must Match Exactly
Composition	Thick Film	Critical - Determines Performance Characteristics
Temperature Coefficient	±100ppm/°C	Important - Affects Stability
Operating Temperature Range	-55°C ~ 155°C	Important - Must Support Application Requirements
Terminations	2	Critical - PCB Layout Compatibility
RoHS Status	ROHS3 Compliant	Important - Regulatory Compliance
MSL Rating	1 (Unlimited)	Important - Storage and Handling

Substitute Part Grouping Explanation

Substitute parts for the RC1608F200CS are classified into three categories based on functional equivalence and enhanced specifications:

Direct Equivalents maintain identical electrical and mechanical parameters with no additional features. These parts satisfy applications where the baseline RC1608F200CS specifications are sufficient.

Upgrade Equivalents provide enhanced specifications beyond the baseline, including automotive AEC-Q200 qualification or high voltage capability, while maintaining all critical electrical parameters (20 Ohms ±1%, 0.1W, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range).

Similar Equivalents match all critical electrical and mechanical parameters but may include additional features such as automotive AEC-Q200 qualification, anti-sulfur construction, or alternative packaging formats (Cut Tape vs. Tape & Reel).

The substitution logic is based strictly on the following critical parameters that must remain constant:

Resistance: 20 Ohms
Tolerance: ±1%
Power Rating: 0.1W minimum
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature: -55°C to 155°C minimum
Terminations: 2
RoHS Compliance: ROHS3 or equivalent

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS Status	Product Status
RC1608F200CS	Samsung Electro-Mechanics	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Active
CR0603-FX-20R0ELF	Bourns Inc.	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Active
RC0603FR-0720RL	YAGEO	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Active
KTR03EZPF20R0	Rohm Semiconductor	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, High Voltage	ROHS3	Active
AC0603FR-0720RL	YAGEO	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Active
AF0603FR-0720RL	YAGEO	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Anti-Sulfur, Automotive AEC-Q200	ROHS3	Active
CRCW060320R0FKEA	Vishay Dale	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Active
CRCW060320R0FKEB	Vishay Dale	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Discontinued at DiGi Electronics
CRCW060320R0FKTA	Vishay Dale	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	RoHS Non-Compliant	Active
ERJ-3EKF20R0V	Panasonic Electronic Components	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Active
RMCF0603FT20R0	Stackpole Electronics Inc	20 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Active

Engineering Selection Recommendations

For Standard Industrial Applications: CR0603-FX-20R0ELF (Bourns Inc.) and RC0603FR-0720RL (YAGEO) are direct functional equivalents to RC1608F200CS. Both maintain identical electrical specifications, moisture resistant construction, ROHS3 compliance, and Active product status. Selection between these options depends on supply availability and preferred packaging format (Tape & Reel vs. Cut Tape & Digi-Reel).

For Automotive Applications: KTR03EZPF20R0 (Rohm Semiconductor), AC0603FR-0720RL (YAGEO), AF0603FR-0720RL (YAGEO), CRCW060320R0FKEA (Vishay Dale), ERJ-3EKF20R0V (Panasonic), and RMCF0603FT20R0 (Stackpole Electronics) all provide AEC-Q200 automotive qualification while maintaining baseline electrical parameters. These parts are suitable for applications requiring automotive-grade reliability and environmental stress screening.

For High Voltage or Specialized Environments: KTR03EZPF20R0 includes high voltage capability designation. AF0603FR-0720RL includes anti-sulfur construction for corrosive environments.

Compliance Considerations: CRCW060320R0FKTA (Vishay Dale) is RoHS non-compliant and REACH affected; this part is not suitable for applications requiring ROHS3 compliance. CRCW060320R0FKEB (Vishay Dale) is discontinued at DiGi Electronics and should not be selected for new designs requiring long-term availability.

All other substitute parts maintain ROHS3 compliance and Active product status, ensuring regulatory compliance and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F200CS with any 20 Ohm 0603 resistor? A: No. The substitute must match all critical parameters: 20 Ohms ±1% tolerance, 0.1W power rating, 0603 package, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Additional features such as automotive qualification do not prevent substitution but may add cost.

Q: What is the difference between Direct Equivalents and Upgrade Equivalents? A: Direct equivalents (CR0603-FX-20R0ELF, RC0603FR-0720RL) provide identical baseline specifications without additional certifications. Upgrade equivalents (KTR03EZPF20R0) add automotive AEC-Q200 qualification or high voltage capability while maintaining all baseline electrical parameters. Upgrade parts are suitable for applications requiring enhanced reliability but cost more.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications? A: Yes. Automotive-qualified parts exceed baseline specifications and are fully compatible with non-automotive applications. However, the additional qualification adds cost and may not be necessary for non-automotive use cases.

Q: What is the significance of packaging format (Tape & Reel vs. Cut Tape)? A: Packaging format affects handling, storage, and automated assembly processes but does not impact electrical performance. Tape & Reel (TR) is standard for high-volume automated assembly. Cut Tape (CT) & Digi-Reel is suitable for lower-volume or mixed-component applications. Verify compatibility with your assembly equipment before selection.

Q: Why is CRCW060320R0FKTA not recommended despite being Active? A: CRCW060320R0FKTA is RoHS non-compliant and REACH affected. Applications subject to RoHS3 regulatory requirements cannot use this part. Select CRCW060320R0FKEA or CRCW060320R0FKEB instead.

Q: Can I use CRCW060320R0FKEB for new designs? A: CRCW060320R0FKEB is discontinued at DiGi Electronics. While inventory may be available from alternative sources, new designs should select active parts such as CRCW060320R0FKEA to ensure long-term supply chain continuity.

Q: What does MSL 1 (Unlimited) mean for storage? A: MSL 1 indicates unlimited shelf life without moisture baking requirements. These parts can be stored at standard conditions without special moisture control, simplifying inventory management and reducing handling costs.

Q: Are all substitute parts available in equivalent quantities? A: No. Inventory levels vary significantly. RMCF0603FT20R0 (Stackpole) has the highest inventory (254,546 pcs), while CRCW060320R0FKTA has lower availability (5,821 pcs). For high-volume requirements, verify current inventory with your supplier.

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