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RC1608J104CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608J104CS is a 100 kOhms ±5% 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 moisture resistant and suitable for general-purpose applications across industrial and commercial electronics requiring standard tolerance resistive elements. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical compatibility (package size, termination count, physical dimensions).
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance | 100 kOhms | Core electrical specification |
| Tolerance | ±5% | Accuracy classification |
| Power Rating | 0.1W (1/10W) | Thermal dissipation capability |
| Package / Case | 0603 (1608 Metric) | Physical form factor |
| Composition | Thick Film | Manufacturing technology |
| Temperature Coefficient | ±100ppm/°C (standard); ±200ppm/°C (automotive variants) | Stability over temperature |
| Operating Temperature Range | -55°C to +155°C | Environmental limits |
| RoHS Status | ROHS3 Compliant | Environmental regulation |
| MSL Rating | 1 (Unlimited) | Moisture sensitivity |
| Number of Terminations | 2 | Connection points |
Substitute Part Grouping Explanation
Substitute parts are classified into two categories based on tolerance specification:
Direct Equivalents (±5% Tolerance): Parts maintaining the original ±5% tolerance specification with identical electrical and mechanical parameters. These provide one-to-one functional replacement without performance alteration.
Upgrade Options (±1% Tolerance): Parts with improved ±1% tolerance specification, offering enhanced accuracy while maintaining all other electrical parameters (100 kOhms, 0.1W, 0603 package, -55°C to +155°C operating range). Upgrade parts may include additional certifications such as Automotive AEC-Q200 qualification or enhanced features (high voltage capability, moisture resistance).
Substitution Criteria:
- Resistance value: 100 kOhms (exact match required)
- Power rating: 0.1W minimum (1/10W)
- Package: 0603 (1608 Metric) form factor
- Operating temperature: -55°C to +155°C minimum range
- Composition: Thick film technology
- RoHS3 compliance
- MSL Level 1 rating
Packaging format (Cut Tape vs. Tape & Reel) does not affect electrical substitutability but impacts procurement and assembly logistics.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Op. Temp Range | Package | Features | RoHS3 | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| RC1608J104CS | Samsung Electro-Mechanics | 100 kOhms | ±5% | 0.1 | ±100 | -55 to +155°C | 0603 | Moisture Resistant | Yes | 1 |
| RC0603JR-07100KL | YAGEO | 100 kOhms | ±5% | 0.1 | ±100 | -55 to +155°C | 0603 | Moisture Resistant | Yes | 1 |
| RC0603JR-10100KL | YAGEO | 100 kOhms | ±5% | 0.1 | ±100 | -55 to +155°C | 0603 | Moisture Resistant | Yes | 1 |
| RMCF0603JG100K | Stackpole Electronics Inc | 100 kOhms | ±5% | 0.1 | ±200 | -55 to +155°C | 0603 | Automotive AEC-Q200 | Yes | 1 |
| KTR03EZPJ104 | Rohm Semiconductor | 100 kOhms | ±5% | 0.1 | ±200 | -55 to +155°C | 0603 | Automotive AEC-Q200, High Voltage | Yes | 1 |
| RCG0603100KFKEA | Vishay Dale | 100 kOhms | ±1% | 0.1 | ±100 | -55 to +155°C | 0603 | None specified | Yes | 1 |
| CRG0603F100K | TE Connectivity Passive Product | 100 kOhms | ±1% | 0.1 | ±100 | -55 to +155°C | 0603 | None specified | Yes | 1 |
| RC0603FR-07100KL | YAGEO | 100 kOhms | ±1% | 0.1 | ±100 | -55 to +155°C | 0603 | Moisture Resistant | Yes | 1 |
| ERJ-3EKF1003V | Panasonic Electronic Components | 100 kOhms | ±1% | 0.1 | ±100 | -55 to +155°C | 0603 | Automotive AEC-Q200 | Yes | 1 |
| RMCF0603FG100K | Stackpole Electronics Inc | 100 kOhms | ±1% | 0.1 | ±100 | -55 to +155°C | 0603 | Automotive AEC-Q200 | Yes | 1 |
| KTR03EZPF1003 | Rohm Semiconductor | 100 kOhms | ±1% | 0.1 | ±100 | -55 to +155°C | 0603 | Automotive AEC-Q200, High Voltage | Yes | 1 |
Engineering Selection Recommendations
Direct Equivalent Selection (±5% Tolerance):
RC0603JR-07100KL and RC0603JR-10100KL (YAGEO) provide direct functional equivalence to RC1608J104CS with identical tolerance, power rating, and temperature coefficient. Both maintain moisture resistance and RoHS3 compliance. Selection between these YAGEO variants depends on packaging requirement: RC0603JR-07100KL is available in Cut Tape and Digi-Reel formats; RC0603JR-10100KL is supplied in Tape & Reel format.
RMCF0603JG100K (Stackpole Electronics Inc) and KTR03EZPJ104 (Rohm Semiconductor) are ±5% tolerance equivalents with Automotive AEC-Q200 certification. These parts feature ±200ppm/°C temperature coefficient compared to the original ±100ppm/°C specification. Selection of these automotive-qualified variants is appropriate when designs require AEC-Q200 compliance or enhanced reliability in automotive applications.
Upgrade Selection (±1% Tolerance):
RC0603FR-07100KL (YAGEO) provides ±1% tolerance upgrade with moisture resistance matching the original part's feature set. This upgrade maintains ±100ppm/°C temperature coefficient and is suitable for applications requiring improved accuracy without automotive qualification.
RCG0603100KFKEA (Vishay Dale) and CRG0603F100K (TE Connectivity) offer ±1% tolerance with standard ±100ppm/°C temperature coefficient. These parts are appropriate for general-purpose applications where tolerance improvement is required without automotive-specific requirements.
ERJ-3EKF1003V (Panasonic Electronic Components), RMCF0603FG100K (Stackpole Electronics Inc), and KTR03EZPF1003 (Rohm Semiconductor) combine ±1% tolerance with Automotive AEC-Q200 certification. ERJ-3EKF1003V and RMCF0603FG100K maintain ±100ppm/°C temperature coefficient. KTR03EZPF1003 adds high voltage capability to the AEC-Q200 qualification. These upgrades are specified for automotive and high-reliability applications.
All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and -55°C to +155°C operating temperature range, ensuring compatibility with the original design envelope.
Frequently Asked Questions (FAQ)
Q: Can RC0603JR-07100KL replace RC1608J104CS in all applications?
A: RC0603JR-07100KL is a direct equivalent with identical electrical specifications (100 kOhms, ±5% tolerance, 0.1W, ±100ppm/°C, -55°C to +155°C) and mechanical compatibility (0603 package, 2 terminations). Substitution is valid for all applications where the original part is specified. Packaging format difference (Cut Tape vs. original Cut Tape) does not affect electrical performance.
Q: What is the difference between direct equivalents and upgrade options?
A: Direct equivalents maintain the original ±5% tolerance specification. Upgrade options feature improved ±1% tolerance, providing tighter resistance accuracy. Upgrades may include additional certifications (Automotive AEC-Q200) or enhanced features (high voltage capability, moisture resistance). Upgrades are electrically compatible but offer enhanced performance characteristics.
Q: Are automotive AEC-Q200 qualified parts suitable for non-automotive applications?
A: Automotive AEC-Q200 qualified parts (ERJ-3EKF1003V, RMCF0603FG100K, KTR03EZPF1003, RMCF0603JG100K, KTR03EZPJ104) are suitable for non-automotive applications. AEC-Q200 certification indicates enhanced reliability and quality assurance standards. These parts can be used in general-purpose, industrial, and commercial applications without restriction.
Q: Does packaging format (Cut Tape vs. Tape & Reel) affect electrical performance?
A: Packaging format does not affect electrical performance or component specifications. Cut Tape and Tape & Reel formats differ only in physical delivery and handling for assembly processes. Selection between formats depends on manufacturing equipment compatibility and procurement logistics, not electrical substitutability.
Q: Can ±1% tolerance parts be used where ±5% tolerance is specified?
A: ±1% tolerance parts are electrically compatible with designs specifying ±5% tolerance. The tighter tolerance represents improved accuracy and is a functional upgrade. No circuit redesign or validation is required when substituting ±1% parts for ±5% specifications.
Q: What is the significance of temperature coefficient differences (±100ppm/°C vs. ±200ppm/°C)?
A: Temperature coefficient indicates resistance value drift over operating temperature range. ±100ppm/°C represents tighter temperature stability than ±200ppm/°C. Parts with ±100ppm/°C are suitable for applications requiring stable resistance across temperature extremes. Parts with ±200ppm/°C (automotive variants) are acceptable for general applications but may show greater resistance variation at temperature extremes.
Q: Are all substitute parts RoHS3 compliant?
A: All listed substitute parts are RoHS3 compliant and maintain MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original RC1608J104CS specifications. Compliance status is consistent across all equivalent and upgrade options.
Q: What is the inventory availability consideration for part selection?
A: Inventory levels vary significantly among substitute options. YAGEO RC0603JR-10100KL (86,808 pcs), Panasonic ERJ-3EKF1003V (1,732,095 pcs), and Stackpole RMCF0603FG100K (1,174,996 pcs) offer substantial stock availability. Samsung RC1608J104CS (804 pcs) has limited inventory. Part selection may consider availability for production volume requirements and supply chain continuity.
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