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RC1608F3322CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F3322CS is a 33.2 kOhms ±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 ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit designs.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Resistance | 33.2 | kOhms |
| Tolerance | ±1 | % |
| Power Rating | 0.1 | W (1/10W) |
| Package / Case | 0603 (1608 Metric) | — |
| Composition | Thick Film | — |
| Temperature Coefficient | ±100 | ppm/°C |
| Operating Temperature Range | -55 to 155 | °C |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
| RoHS Status | ROHS3 Compliant | — |
| Number of Terminations | 2 | — |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608F3322CS is determined by strict equivalence across the following critical parameters:
Electrical Specifications: Resistance value (33.2 kOhms), tolerance (±1%), and power rating (0.1W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C to 155°C) establish thermal performance boundaries.
Mechanical Compatibility: Package designation (0603 / 1608 Metric), physical dimensions (0.063" L × 0.031" W / 1.60mm × 0.80mm), and seated height (0.022" / 0.55mm maximum) ensure PCB footprint compatibility and assembly process alignment.
Environmental & Compliance Requirements: Moisture Sensitivity Level 1 (Unlimited), ROHS3 compliance, and thick film composition are baseline requirements. Additional certifications such as AEC-Q200 automotive qualification represent enhanced capability levels and do not disqualify substitution.
Packaging Format: Cut Tape (CT) and Tape & Reel (TR) formats are both acceptable for substitution purposes, as they represent distribution methods rather than functional differences.
All substitute parts listed below satisfy these criteria without exception.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance (kOhms) | Tolerance (%) | Power (W) | Package | Temp Coeff (ppm/°C) | Op Temp (°C) | MSL | RoHS Status | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F3322CS | Samsung Electro-Mechanics | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | ROHS3 | Cut Tape (CT) |
| CR0603-FX-3322ELF | Bourns Inc. | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | ROHS3 | Tape & Reel (TR) |
| RC0603FR-0733K2L | YAGEO | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | ROHS3 | Cut Tape (CT) & Digi-Reel® |
| AC0603FR-0733K2L | YAGEO | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | ROHS3 | Tape & Reel (TR) |
| CRCW060333K2FKTA | Vishay Dale | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | RoHS non-compliant | Tape & Reel (TR) |
| ERJ-3EKF3322V | Panasonic Electronic Components | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | ROHS3 | Cut Tape (CT) & Digi-Reel® |
| RMCF0603FG33K2 | Stackpole Electronics Inc | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | ROHS3 | Cut Tape (CT) |
| RMCF0603FT33K2 | Stackpole Electronics Inc | 33.2 | ±1 | 0.1 | 0603 | ±100 | -55 ~ 155 | 1 | ROHS3 | Tape & Reel (TR) |
Engineering Selection Recommendations
Direct Substitutes (Preferred): CR0603-FX-3322ELF (Bourns), RC0603FR-0733K2L (YAGEO), ERJ-3EKF3322V (Panasonic), RMCF0603FG33K2 (Stackpole), and RMCF0603FT33K2 (Stackpole) are fully equivalent to the RC1608F3322CS. All maintain ROHS3 compliance, identical electrical and thermal specifications, and MSL 1 rating. These parts are interchangeable for general-purpose applications without design modification.
Automotive-Qualified Alternatives: AC0603FR-0733K2L (YAGEO), CRCW060333K2FKTA (Vishay Dale), ERJ-3EKF3322V (Panasonic), RMCF0603FG33K2 (Stackpole), and RMCF0603FT33K2 (Stackpole) carry AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability and are functionally interchangeable with the base RC1608F3322CS in non-automotive designs.
Compliance Consideration: CRCW060333K2FKTA (Vishay Dale) is RoHS non-compliant and REACH Affected. Selection of this part requires explicit design approval for applications subject to RoHS3 or REACH regulatory requirements.
Packaging Selection: Choose Cut Tape (CT) format for manual assembly or small-volume production; select Tape & Reel (TR) format for automated pick-and-place assembly operations and high-volume manufacturing.
Frequently Asked Questions (FAQ)
Q: Can I substitute RC1608F3322CS with any of the listed parts without circuit redesign?
A: Yes. All listed substitute parts maintain identical electrical specifications (33.2 kOhms ±1%, 0.1W), thermal characteristics (±100ppm/°C, -55°C to 155°C), and mechanical dimensions (0603 package). Direct substitution is functionally valid without circuit modification.
Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?
A: Cut Tape format supplies individual components on carrier tape, suitable for manual assembly and low-volume applications. Tape & Reel format provides components on continuous reel for automated assembly equipment. Both formats contain identical components; packaging selection depends on assembly process requirements, not electrical performance.
Q: Are AEC-Q200 qualified parts (AC0603FR-0733K2L, ERJ-3EKF3322V, RMCF0603FG33K2, RMCF0603FT33K2) suitable for non-automotive applications?
A: Yes. AEC-Q200 qualification represents enhanced reliability testing and quality assurance. These parts exceed the baseline requirements of the RC1608F3322CS and are fully compatible with general-purpose circuit designs. AEC-Q200 certification does not restrict use to automotive applications.
Q: Why is CRCW060333K2FKTA listed if it is RoHS non-compliant?
A: CRCW060333K2FKTA meets all electrical, thermal, and mechanical equivalence criteria. RoHS non-compliance is a regulatory attribute, not a functional limitation. This part is listed for reference in applications where RoHS compliance is not mandated. Design approval is required before selection in RoHS-regulated environments.
Q: Can I mix different substitute parts in the same circuit board assembly?
A: Yes. All substitute parts are electrically and mechanically equivalent. Mixed sourcing from multiple manufacturers is functionally valid. Verify procurement and supply chain requirements with your organization before implementing multi-source strategies.
Q: What is Moisture Sensitivity Level (MSL) 1, and why is it important?
A: MSL 1 indicates unlimited shelf life without moisture exposure controls. The RC1608F3322CS and all substitute parts require no special dry-pack storage or baking procedures before assembly. This simplifies inventory management and reduces component handling costs.
Q: Are there dimensional differences between substitute parts that affect PCB layout?
A: All parts conform to 0603 (1608 Metric) package specification with 0.063" L × 0.031" W footprint. Minor dimensional variations (e.g., RMCF series at 0.061" L, CRCW series at 0.033" W) fall within standard PCB design tolerances and do not require layout modification. Seated height (0.022" maximum) is consistent across all parts.
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