KEMET C0603C331M1RAC7867 Equivalent & Substitute Parts

Part Overview

The KEMET C0603C331M1RAC7867 is a 330 pF ±20% 100V ceramic capacitor in 0603 (1608 Metric) surface mount package with X7R temperature coefficient. This component is designed for bypass and decoupling applications in electronic circuits. The part is currently Active in product status with 913 pieces in stock.

Substitute parts are identified when equivalent electrical performance can be achieved through alternative manufacturers or improved tolerance specifications while maintaining the same physical package, capacitance value, and voltage rating. Alternative parts may offer tighter tolerances, different temperature coefficients, or higher voltage ratings suitable for the same application space.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	330 pF	Must remain identical for direct substitution
Tolerance	±20%	Determines acceptable capacitance variation; tighter tolerances are acceptable upgrades
Voltage Rating	100V	Minimum requirement; higher ratings are acceptable substitutes
Temperature Coefficient	X7R	Defines capacitance stability across temperature range; C0G/NP0 is superior alternative
Package / Case	0603 (1608 Metric)	Physical footprint must match for PCB compatibility
Mounting Type	Surface Mount, MLCC	Must remain surface mount multilayer ceramic capacitor
Operating Temperature	-55°C ~ 125°C	Must support full temperature range
RoHS Status	ROHS3 Compliant	Regulatory requirement for substitutes
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements

Substitute Part Grouping Explanation

Substitution logic for the KEMET C0603C331M1RAC7867 is based on the following criteria:

Primary Substitution Criteria:

Capacitance value must equal 330 pF
Package must be 0603 (1608 Metric)
Voltage rating must be ≥100V
Mounting type must be Surface Mount MLCC
Operating temperature range must include -55°C ~ 125°C
RoHS3 compliance required

Secondary Substitution Criteria:

Tolerance: ±20% or tighter (±10%, ±5%, ±1%) are acceptable
Temperature Coefficient: X7R or C0G/NP0 (C0G/NP0 represents superior stability)
Manufacturer: KEMET, YAGEO, Murata Electronics, KYOCERA AVX

Voltage Rating Hierarchy:

100V (equivalent)
200V (acceptable upgrade)
250V (acceptable upgrade)

Tolerance Hierarchy:

±20% (equivalent)
±10% (acceptable upgrade)
±5% (acceptable upgrade)
±1% (acceptable upgrade)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Product Status	Inventory
C0603C331M1RAC7867	KEMET	330 pF	±20%	100V	X7R	0603	Active	913
C0603C331K1RAC7867	KEMET	330 pF	±10%	100V	X7R	0603	Active	102053
C0603C331K2RAC7867	KEMET	330 pF	±10%	200V	X7R	0603	Active	11124
C0603C331J1GAC7867	KEMET	330 pF	±5%	100V	C0G/NP0	0603	Active	10061
C0603C331JAGAC7867	KEMET	330 pF	±5%	250V	C0G/NP0	0603	Active	72367
CC0603KRX7R0BB331	YAGEO	330 pF	±10%	100V	X7R	0603	Active	27730
GRM188R72A331KA01D	Murata Electronics	330 pF	±10%	100V	X7R	0603	Not For New Designs	33160
GRM188R72E331KW07D	Murata Electronics	330 pF	±10%	250V	X7R	0603	Not For New Designs	23774
KGM15AR72A331JT	KYOCERA AVX	330 pF	±5%	100V	X7R	0603	Active	6426
KGM15ACG2A331KT	KYOCERA AVX	330 pF	±10%	100V	C0G/NP0	0603	Active	3059
KGM15ACG2A331FT	KYOCERA AVX	330 pF	±1%	100V	C0G/NP0	0603	Active	19842

Engineering Selection Recommendations

For Direct Equivalent Substitution (Same Electrical Performance):

Select C0603C331K1RAC7867 (KEMET, ±10%, 100V, X7R) as the primary equivalent. This part maintains identical voltage rating and temperature coefficient while offering improved tolerance specification. High inventory availability (102053 units) ensures supply continuity.

For Improved Tolerance Applications:

Select C0603C331J1GAC7867 (KEMET, ±5%, 100V, C0G/NP0) when circuit design requires tighter capacitance tolerance and superior temperature stability. C0G/NP0 temperature coefficient provides minimal capacitance variation across the operating temperature range compared to X7R.

For Higher Voltage Margin Applications:

Select C0603C331K2RAC7867 (KEMET, ±10%, 200V, X7R) or C0603C331JAGAC7867 (KEMET, ±5%, 250V, C0G/NP0) when design requires elevated voltage headroom. Both parts fit identical PCB footprint while providing 2x or 2.5x voltage safety margin.

For Cross-Manufacturer Substitution:

Select CC0603KRX7R0BB331 (YAGEO, ±10%, 100V, X7R) as an alternative source. This part is Active status and maintains all critical electrical parameters. Inventory availability (27730 units) supports high-volume applications.

Parts to Avoid for New Designs:

GRM188R72A331KA01D and GRM188R72E331KW07D (Murata Electronics) carry "Not For New Designs" product status. These parts remain available but should not be selected for new circuit development.

Compliance Verification:

All recommended substitutes maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status. All parts support the full -55°C ~ 125°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can I substitute C0603C331M1RAC7867 with C0603C331K1RAC7867?

A: Yes. Both parts are 330 pF, 100V, X7R, 0603 package. The substitute offers ±10% tolerance versus ±20%, representing an improvement. Electrical performance in bypass and decoupling applications is equivalent or superior.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients?

A: X7R provides ±15% capacitance change across -55°C to 125°C. C0G/NP0 provides ±30 ppm/°C (approximately ±0.3% across the same range). C0G/NP0 is superior for applications requiring stable capacitance across temperature extremes.

Q: Can I use a 250V rated capacitor in place of 100V?

A: Yes. Higher voltage ratings are acceptable substitutes. A 250V capacitor operates safely at 100V with additional voltage margin. Physical package remains identical (0603), so PCB compatibility is maintained.

Q: Why are some Murata parts marked "Not For New Designs"?

A: This designation indicates the manufacturer is transitioning away from these products. While existing inventory remains available, new circuit designs should select Active status alternatives to ensure long-term supply availability.

Q: Does tolerance affect PCB assembly compatibility?

A: No. Tolerance differences do not affect physical dimensions or mounting characteristics. All listed substitutes use identical 0603 (1608 Metric) package with surface mount MLCC mounting type.

Q: Which substitute offers the best long-term availability?

A: KEMET C0603C331K1RAC7867 provides the highest inventory (102053 units) and Active product status, ensuring sustained availability for production and field service applications.

Q: Can I mix different manufacturers in the same circuit?

A: Yes. All listed substitutes meet identical electrical specifications for capacitance, voltage, package, and temperature range. Mixing manufacturers within the same design is acceptable from an engineering standpoint.

Q: What is the significance of ±1% tolerance in KGM15ACG2A331FT?

A: ±1% tolerance (KYOCERA AVX KGM15ACG2A331FT) provides the tightest capacitance specification available in this substitution group. This part is suitable for precision analog circuits where capacitance accuracy directly affects circuit performance.

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