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RC3225J182CS Equivalent & Substitute Parts Reference
Part Overview
The RC3225J182CS is a 1.8 kOhms ±5% 1/3W chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package. This thick film, moisture-resistant component operates across the temperature range of -55°C to 155°C and maintains ROHS3 compliance with MSL Level 1 rating. The part is currently in active production status with 823 pieces available in inventory. Substitute parts are identified to address application requirements for enhanced tolerance specifications, increased power ratings, or automotive-grade certifications while maintaining core electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1.8 kOhms |
| Tolerance | ±5% |
| Power Rating | 0.333W (1/3W) |
| Package / Case | 1210 (3225 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the RC3225J182CS is determined by strict equivalence in the following parameters:
Core Electrical Parameters (Non-Negotiable):
- Resistance value: 1.8 kOhms
- Package / Case: 1210 (3225 Metric)
- Composition: Thick Film
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature Range: -55°C ~ 155°C
Allowable Variations (Upgrade Parameters):
- Tolerance: May be tightened from ±5% to ±1%
- Power Rating: May be increased from 0.333W to 0.5W
- Features: May include additional certifications (Automotive AEC-Q200)
- Compliance: Must maintain ROHS3 and MSL Level 1 minimum
All substitute parts maintain identical resistance, package geometry, and thermal characteristics. Upgrades in tolerance and power rating provide enhanced performance margins without affecting form factor or thermal behavior.
Parameter Comparison
| Parameter | RC3225J182CS (Main) | RC1210JR-071K8L | RC1210FR-071K8L | AC1210FR-071K8L |
|---|---|---|---|---|
| Manufacturer | Samsung Electro-Mechanics | YAGEO | YAGEO | YAGEO |
| Resistance | 1.8 kOhms | 1.8 kOhms | 1.8 kOhms | 1.8 kOhms |
| Tolerance | ±5% | ±5% | ±1% | ±1% |
| Power Rating | 0.333W (1/3W) | 0.5W (1/2W) | 0.5W (1/2W) | 0.5W (1/2W) |
| Package / Case | 1210 (3225 Metric) | 1210 (3225 Metric) | 1210 (3225 Metric) | 1210 (3225 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Automotive Rating | Not specified | Not specified | Not specified | AEC-Q200 |
| Packaging | Not specified | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
Engineering Selection Recommendations
RC1210JR-071K8L (YAGEO): Direct functional equivalent with identical tolerance specification (±5%) and matching thermal characteristics. Provides increased power margin (0.5W vs. 0.333W) within the same 1210 package footprint. Suitable for applications requiring higher power dissipation capacity without tolerance tightening. ROHS3 compliant with MSL Level 1 rating.
RC1210FR-071K8L (YAGEO): Upgrade option offering tightened tolerance (±1% vs. ±5%) and increased power rating (0.5W vs. 0.333W). Maintains identical package geometry and thermal performance. Appropriate for precision applications requiring improved resistance accuracy. ROHS3 compliant with MSL Level 1 rating.
AC1210FR-071K8L (YAGEO): Premium substitute combining ±1% tolerance, 0.5W power rating, and AEC-Q200 automotive qualification. Identical electrical and thermal specifications to RC1210FR-071K8L with additional automotive-grade certification. Required for automotive applications or systems with automotive-level reliability requirements. ROHS3 compliant with MSL Level 1 rating.
All substitute parts maintain form factor compatibility and do not require PCB layout modifications.
Frequently Asked Questions (FAQ)
Q: Can RC1210JR-071K8L replace RC3225J182CS in any application?
A: RC1210JR-071K8L is electrically and mechanically equivalent to RC3225J182CS. Both components share identical resistance (1.8 kOhms), tolerance (±5%), package (1210), thermal coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). The substitute provides increased power rating (0.5W vs. 0.333W), which represents an upgrade margin. No application restrictions exist based on provided specifications.
Q: What is the difference between RC1210FR-071K8L and RC1210JR-071K8L?
A: Both parts are manufactured by YAGEO in the 1210 package with 0.5W power rating. The primary difference is tolerance: RC1210FR-071K8L specifies ±1% tolerance, while RC1210JR-071K8L specifies ±5% tolerance. RC1210FR-071K8L is suitable for applications requiring tighter resistance accuracy. Both maintain identical thermal and environmental specifications.
Q: When should AC1210FR-071K8L be selected over RC1210FR-071K8L?
A: AC1210FR-071K8L includes AEC-Q200 automotive qualification in addition to ±1% tolerance and 0.5W power rating. Selection of AC1210FR-071K8L is required for automotive applications, systems subject to automotive reliability standards, or designs requiring automotive-grade component certification. Electrical and thermal performance are identical between the two parts.
Q: Are all substitute parts available in Tape & Reel packaging?
A: Yes. RC1210JR-071K8L, RC1210FR-071K8L, and AC1210FR-071K8L are all supplied in Tape & Reel (TR) packaging. The main part RC3225J182CS packaging specification is not provided in the reference data.
Q: Do substitute parts require PCB layout modifications?
A: No. All substitute parts maintain the 1210 (3225 Metric) package specification with identical footprint dimensions. Physical dimensions vary minimally (0.122" L x 0.102" W vs. 0.126" L x 0.100" W for the main part), remaining within standard 1210 package tolerance. No PCB redesign is required.
Q: What is the moisture sensitivity level for all parts?
A: All parts, including the main component and all substitutes, are rated MSL Level 1 (Unlimited). This classification indicates unlimited shelf life without moisture bake-out requirements prior to soldering.
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