M30R473M2-F Equivalent & Substitute Parts Reference

Part Overview

The M30R473M2-F is a 0.047 µF ±20% 200V ceramic capacitor with X7R temperature coefficient manufactured by Cornell Dubilier Electronics (CDE) in radial through-hole configuration. This component is classified as obsolete, necessitating identification of equivalent and upgraded alternatives for ongoing design support and procurement continuity. The part operates across -55°C to 125°C and is ROHS3 compliant with MSL 1 rating.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	0.047 µF	Must match exactly
Voltage Rating	200V	Minimum requirement; higher ratings acceptable
Tolerance	±20%	Tighter tolerances acceptable; looser not acceptable
Temperature Coefficient	X7R	Defines capacitance stability; C0G/NP0 acceptable as upgrade
Operating Temperature Range	-55°C to 125°C	Must meet or exceed
Mounting Type	Through Hole Radial	Must match for PCB compatibility
Lead Spacing	0.200" (5.08mm)	Critical for PCB footprint compatibility
RoHS Status	ROHS3 Compliant	Regulatory requirement

Substitute Part Grouping Explanation

Substitution logic is based on the following criteria:

Direct Equivalent Category: Parts matching all critical parameters—0.047 µF capacitance, 200V minimum voltage rating, X7R temperature coefficient, through-hole radial mounting, 0.200" lead spacing, and ROHS3 compliance. Tolerance may be equal or tighter.

Upgraded Category: Parts exceeding one or more non-critical parameters while maintaining core electrical function. Upgrades include higher voltage ratings (500V), improved tolerance (±1%, ±2%, ±5%, ±10% versus ±20%), or superior temperature coefficient (C0G/NP0 versus X7R). These remain functionally compatible in applications where the original M30R473M2-F was specified.

Key Substitution Parameters:

Capacitance value: 0.047 µF (fixed)
Voltage rating: ≥200V
Temperature coefficient: X7R or C0G/NP0
Mounting: Through-hole radial
Lead spacing: 0.200" (5.08mm)
Compliance: ROHS3

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temp Coeff	Lead Spacing	Status	Inventory
M30R473M2-F	Cornell Dubilier Electronics	0.047 µF	200V	±20%	X7R	0.200"	Obsolete	1130 Pcs
K473M20X7RK53H5	Vishay Beyschlag	0.047 µF	200V	±20%	X7R	0.197"	Active	996 Pcs
C322C473KCR5TA	KEMET	0.047 µF	500V	±10%	X7R	0.200"	Active	697 Pcs
C330C473F2G5TA	KEMET	0.047 µF	200V	±1%	C0G	0.200"	Active	1046 Pcs
C330C473FAG5TA	KEMET	0.047 µF	250V	±1%	C0G	0.200"	Active	975 Pcs
C330C473G2G5TA	KEMET	0.047 µF	200V	±2%	C0G	0.200"	Active	696 Pcs
C330C473GAG5TA	KEMET	0.047 µF	250V	±2%	C0G	0.200"	Active	851 Pcs
C330C473J2G5TA	KEMET	0.047 µF	200V	±5%	C0G	0.200"	Active	993 Pcs
C330C473JAG5TA	KEMET	0.047 µF	250V	±5%	C0G	0.200"	Active	793 Pcs
C330C473K2G5TA	KEMET	0.047 µF	200V	±10%	C0G	0.200"	Active	816 Pcs
C330C473K2R5TA	KEMET	0.047 µF	200V	±10%	X7R	0.200"	Active	9524 Pcs

Engineering Selection Recommendations

Direct Equivalent Selection:

K473M20X7RK53H5 (Vishay Beyschlag) provides the closest functional match to M30R473M2-F with identical capacitance, voltage rating, tolerance, and temperature coefficient. This part is active in production status and maintains ROHS3 compliance. Lead spacing of 0.197" is within standard PCB tolerance for 0.200" nominal spacing. This part is recommended for direct replacement in existing designs without modification.

Primary Upgrade Selection:

C330C473K2R5TA (KEMET GoldMax 300 Comm X7R) maintains X7R temperature coefficient and 200V rating while improving tolerance to ±10%. This part offers the highest inventory availability (9524 Pcs) and active production status. Identical lead spacing (0.200") ensures direct PCB compatibility. Suitable for applications where tolerance improvement is beneficial without requiring temperature coefficient change.

Secondary Upgrade Options:

KEMET C0G/NP0 series parts (C330C473F2G5TA through C330C473K2G5TA) provide superior temperature stability and tighter tolerances (±1% to ±10%) compared to the original X7R specification. These are appropriate for precision applications or where temperature coefficient stability is critical. Available in 200V and 250V ratings with active production status.

High-Voltage Upgrade:

C322C473KCR5TA (KEMET GoldMax 300 Comm X7R HV) offers 500V rating with ±10% tolerance and X7R coefficient. This part is suitable for applications requiring voltage derating margin or operation in higher-voltage environments while maintaining the same capacitance and temperature performance.

All recommended substitutes are ROHS3 compliant and operate across -55°C to 125°C temperature range.

Frequently Asked Questions (FAQ)

Q: Can K473M20X7RK53H5 be used as a direct replacement for M30R473M2-F?

A: Yes. K473M20X7RK53H5 matches all critical electrical parameters: 0.047 µF capacitance, 200V rating, ±20% tolerance, and X7R temperature coefficient. Lead spacing of 0.197" is compatible with standard 0.200" PCB footprints. The part is active in production and ROHS3 compliant.

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

A: X7R provides ±15% capacitance change across -55°C to 125°C operating range. C0G (NP0) provides ±0.3% change across the same range. C0G offers superior stability for precision applications but is not required for general-purpose use. Both are acceptable substitutes where the original specified X7R.

Q: Why are some substitute parts rated at 250V or 500V instead of 200V?

A: Higher voltage ratings provide design margin and derating capability without changing capacitance or physical size. These parts are functionally compatible in 200V applications and offer improved reliability through voltage derating. Selection depends on application requirements and design practices.

Q: Are the KEMET C330C series parts physically compatible with the original M30R473M2-F footprint?

A: Yes. All C330C series parts maintain 0.200" lead spacing and through-hole radial configuration. Physical dimensions vary slightly (0.280" L x 0.160" W versus 0.300" L x 0.200" W for the original), but remain compatible with standard 0.200" pitch PCB layouts.

Q: What is the significance of tolerance ratings (±1%, ±2%, ±5%, ±10%, ±20%)?

A: Tolerance defines the acceptable capacitance variation from the nominal 0.047 µF value. Tighter tolerances (±1%, ±2%) are suitable for precision circuits. The original ±20% tolerance is acceptable for general-purpose filtering and coupling applications. Tighter tolerances do not degrade performance in applications designed for ±20%.

Q: Is MSL (Moisture Sensitivity Level) important for this component?

A: The original M30R473M2-F has MSL 1 (unlimited shelf life). Most substitute parts have MSL Not Applicable, indicating no moisture sensitivity concern. This does not affect compatibility; it reflects improved manufacturing processes in modern parts.

Q: Can C330C473K2R5TA replace M30R473M2-F in all applications?

A: Yes. C330C473K2R5TA maintains identical voltage rating (200V), capacitance (0.047 µF), and temperature coefficient (X7R) with improved tolerance (±10% versus ±20%). It is functionally superior and compatible with all applications designed for the original part.

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