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GRM188R72A682KA01D Equivalent & Substitute Parts
Part Overview
The GRM188R72A682KA01D is a 6800 pF ±10% 100V ceramic capacitor in 0603 (1608 Metric) surface mount package manufactured by Murata Electronics. This part carries a "Not For New Designs" status, indicating it has been superseded in Murata's product line. Equivalent and substitute parts are necessary for ongoing production support, design flexibility, and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 6800 pF |
| Tolerance | ±10% |
| Voltage Rating | 100V |
| Temperature Coefficient | X7R |
| Operating Temperature Range | -55°C to 125°C |
| Package / Case | 0603 (1608 Metric) |
| Mounting Type | Surface Mount, MLCC |
| Physical Dimensions | 0.063" L x 0.031" W (1.60mm x 0.80mm) |
| Maximum Thickness | 0.035" (0.90mm) |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the GRM188R72A682KA01D is determined by strict equivalence across the following critical parameters:
- Capacitance Value: 6800 pF (exact match required)
- Tolerance: ±10% (allows substitution with ±5% or tighter tolerances)
- Voltage Rating: 100V minimum (higher voltage ratings are acceptable)
- Temperature Coefficient: X7R (maintains stable capacitance across operating range)
- Package: 0603 (1608 Metric) surface mount (physical and electrical compatibility)
- Operating Temperature: -55°C to 125°C (must meet or exceed this range)
- Mounting Type: Surface Mount, MLCC (PCB assembly compatibility)
Substitute parts are grouped into three categories based on manufacturer and product status:
Upgrade Parts (Active Status): GCD188R72A682KA01D, GCM188R72A682KA37D, GCM188R72A682KA37J (Murata); AC0603KRX7R0BB682 (YAGEO); C0603C682J1RAC7867, C0603C682K2RAC7867 (KEMET); CGA3E2X7R2A682K080AA (TDK)
Direct Equivalents (Active Status): C0603C682K1RAC7867 (KEMET); KGM15AR72A682KM, KGM15AR72A682KT (KYOCERA AVX)
Tolerance/Voltage Variants: C0603C682J1RAC7867 (±5% tolerance); C0603C682K2RAC7867 (200V rating)
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Tolerance | Voltage | Temp Coeff | Package | Product Status | Ratings | Inventory |
|---|---|---|---|---|---|---|---|---|---|
| GRM188R72A682KA01D | Murata Electronics | 6800 pF | ±10% | 100V | X7R | 0603 | Not For New Designs | — | 17927 Pcs |
| GCD188R72A682KA01D | Murata Electronics | 6800 pF | ±10% | 100V | X7R | 0603 | Active | AEC-Q200 | 6650 Pcs |
| GCM188R72A682KA37D | Murata Electronics | 6800 pF | ±10% | 100V | X7R | 0603 | Active | AEC-Q200 | 5005400 Pcs |
| GCM188R72A682KA37J | Murata Electronics | 6800 pF | ±10% | 100V | X7R | 0603 | Active | AEC-Q200 | 885 Pcs |
| C0603C682K1RAC7867 | KEMET | 6800 pF | ±10% | 100V | X7R | 0603 | Active | — | 32867 Pcs |
| KGM15AR72A682KM | KYOCERA AVX | 6800 pF | ±10% | 100V | X7R | 0603 | Active | — | 1066 Pcs |
| KGM15AR72A682KT | KYOCERA AVX | 6800 pF | ±10% | 100V | X7R | 0603 | Active | — | 50425 Pcs |
| AC0603KRX7R0BB682 | YAGEO | 6800 pF | ±10% | 100V | X7R | 0603 | Active | AEC-Q200 | 4656 Pcs |
| C0603C682J1RAC7867 | KEMET | 6800 pF | ±5% | 100V | X7R | 0603 | Active | — | 4928 Pcs |
| C0603C682K2RAC7867 | KEMET | 6800 pF | ±10% | 200V | X7R | 0603 | Active | — | 9335 Pcs |
| CGA3E2X7R2A682K080AA | TDK Corporation | 6800 pF | ±10% | 100V | X7R | 0603 | Not For New Designs | AEC-Q200 | 4799 Pcs |
Engineering Selection Recommendations
Primary Substitutes (Active Status, Direct Equivalents)
GCM188R72A682KA37D and GCM188R72A682KA37J from Murata Electronics are the recommended primary substitutes. Both are active products with AEC-Q200 automotive qualification and identical electrical specifications to the GRM188R72A682KA01D. GCM188R72A682KA37D offers superior inventory availability (5,005,400 units).
Secondary Substitutes (Active Status, Alternative Manufacturers)
C0603C682K1RAC7867 (KEMET) and KGM15AR72A682KT (KYOCERA AVX) provide direct electrical equivalence with active product status. KGM15AR72A682KT offers high inventory (50,425 units). C0603C682K1RAC7867 provides the largest available stock (32,867 units) among non-Murata options.
Automotive-Qualified Alternatives
AC0603KRX7R0BB682 (YAGEO) and GCD188R72A682KA01D (Murata) both carry AEC-Q200 certification, suitable for automotive applications requiring qualified component status.
Tolerance and Voltage Variants
C0603C682J1RAC7867 offers tighter ±5% tolerance for applications requiring improved capacitance accuracy. C0603C682K2RAC7867 provides 200V rating for designs requiring higher voltage margin.
Frequently Asked Questions (FAQ)
Q: Can I substitute GRM188R72A682KA01D with GCM188R72A682KA37D?
A: Yes. Both parts share identical electrical specifications: 6800 pF ±10% at 100V with X7R temperature coefficient in 0603 package. GCM188R72A682KA37D is an active product, making it the preferred choice for new production.
Q: What is the difference between the Murata GRM and GCM series?
A: The GRM series is marked "Not For New Designs," while the GCM series is active. Both meet identical electrical and mechanical specifications for this capacitance value and voltage rating. The GCM series represents Murata's current product line.
Q: Are KEMET and KYOCERA AVX parts pin-compatible with Murata?
A: Yes. All substitute parts use identical 0603 (1608 Metric) surface mount package with the same footprint, pad layout, and electrical interface. No PCB redesign is required.
Q: Can I use C0603C682K2RAC7867 (200V) instead of the 100V rated part?
A: Yes. The 200V rated part is electrically compatible and provides additional voltage margin. However, physical dimensions remain identical, and no circuit modification is necessary.
Q: Does tolerance matter when substituting ±10% with ±5%?
A: No. The ±5% tolerance part (C0603C682J1RAC7867) is a direct substitute with tighter tolerance, providing improved capacitance accuracy. It is suitable for applications where the original ±10% tolerance is acceptable.
Q: What is MSL 1 and does it affect substitution?
A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake-out requirements. All substitute parts carry MSL 1 rating, ensuring identical moisture handling and storage requirements.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant, matching the environmental compliance of the original GRM188R72A682KA01D.
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