KEMET C1206C331M5GAC7800 Equivalent & Substitute Parts

Part Overview

The KEMET C1206C331M5GAC7800 is a 330 pF ceramic capacitor in 1206 (3216 Metric) surface mount package with ±20% tolerance, rated at 50V, and featuring C0G/NP0 temperature coefficient. This component is classified as Active product status and is suitable for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the allowed specifications for this product category. Substitution becomes necessary due to inventory availability, lead time constraints, or design requirement changes that permit tolerance or voltage rating modifications.

Key Parameters

Parameter	Value	Specification Basis
Capacitance	330 pF	Core electrical specification
Tolerance	±20%	Capacitance accuracy class
Voltage Rating	50V	Maximum operating voltage
Temperature Coefficient	C0G/NP0	Stability classification
Package	1206 (3216 Metric)	Physical form factor
Mounting Type	Surface Mount, MLCC	Assembly method
Operating Temperature	-55°C to 125°C	Thermal performance range
RoHS Status	ROHS3 Compliant	Environmental compliance
MSL Rating	1 (Unlimited)	Moisture sensitivity

Substitute Part Grouping Explanation

Substitution logic for the C1206C331M5GAC7800 is determined by the following criteria:

Primary Substitution Parameters:

Capacitance value must remain 330 pF
Package must remain 1206 (3216 Metric)
Temperature coefficient must remain C0G/NP0
Mounting type must remain Surface Mount, MLCC
Operating temperature range must remain -55°C to 125°C
RoHS3 compliance must be maintained

Allowable Variation Parameters:

Tolerance: May be tighter (±1%, ±2%, ±5%, ±10%) than the original ±20%
Voltage Rating: May be equal or higher than 50V (100V, 200V, 630V acceptable)
Manufacturer: Alternative manufacturers permitted if all electrical and mechanical parameters align

Non-Substitutable Parameters:

Capacitance value
Package form factor
Temperature coefficient classification
Compliance certifications

Substitute parts are grouped by tolerance and voltage rating variations, as these represent the primary design flexibility points while maintaining functional equivalence.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Status	Inventory
C1206C331M5GAC7800	KEMET	330 pF	±20%	50V	C0G/NP0	1206	Active	999
C1206C331F5GAC7800	KEMET	330 pF	±1%	50V	C0G/NP0	1206	Active	3102
C1206C331G5GAC7800	KEMET	330 pF	±2%	50V	C0G/NP0	1206	Active	5018
C1206C331J5GAC7800	KEMET	330 pF	±5%	50V	C0G/NP0	1206	Active	18771
C1206C331K5GAC7800	KEMET	330 pF	±10%	50V	C0G/NP0	1206	Active	1650
C1206C331J1GAC7800	KEMET	330 pF	±5%	100V	C0G/NP0	1206	Active	4200
C1206C331K1GAC7800	KEMET	330 pF	±10%	100V	C0G/NP0	1206	Active	6237
C1206C331J2GAC7800	KEMET	330 pF	±5%	200V	C0G/NP0	1206	Active	4230
C1206C331K2GAC7800	KEMET	330 pF	±10%	200V	C0G/NP0	1206	Active	6405
C3216C0G2J331J060AA	TDK Corporation	330 pF	±5%	630V	C0G/NP0	1206	Active	12709
C3216C0G2J331K060AA	TDK Corporation	330 pF	±10%	630V	C0G/NP0	1206	Not For New Designs	9345

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating):

When the circuit operates at 50V maximum and tolerance of ±20% is acceptable, the C1206C331M5GAC7800 remains the specified component. If inventory is unavailable, the C1206C331J5GAC7800 (±5% tolerance, 50V) provides tighter tolerance specification while maintaining the same voltage rating and Active product status.

For Improved Tolerance Requirements:

If circuit design requires tighter capacitance tolerance, the C1206C331F5GAC7800 (±1%, 50V) or C1206C331G5GAC7800 (±2%, 50V) are direct substitutes with enhanced accuracy. Both maintain Active status and ROHS3 compliance.

For Elevated Voltage Margin:

When circuit design permits higher voltage ratings for increased safety margin, the C1206C331J1GAC7800 (100V) or C1206C331J2GAC7800 (200V) are functionally equivalent with higher voltage headroom. Both are KEMET Active products with identical package and temperature coefficient.

For High-Voltage Applications:

The TDK C3216C0G2J331J060AA (630V, ±5%) accommodates high-voltage circuit requirements while maintaining 1206 package form factor and C0G/NP0 stability. This part is Active status and ROHS3 compliant.

Product Status Consideration:

The C3216C0G2J331K060AA (TDK, 630V, ±10%) carries "Not For New Designs" status and should not be selected for new circuit development, though it remains available for legacy system support.

Frequently Asked Questions (FAQ)

Q: Can the C1206C331M5GAC7800 be replaced with a tighter tolerance part?

A: Yes. The C1206C331F5GAC7800 (±1%), C1206C331G5GAC7800 (±2%), C1206C331J5GAC7800 (±5%), and C1206C331K5GAC7800 (±10%) are all direct substitutes at 50V. Tighter tolerance parts are functionally compatible and provide improved capacitance accuracy.

Q: What is the difference between tolerance codes in KEMET part numbers?

A: The letter code indicates tolerance: F=±1%, G=±2%, J=±5%, K=±10%, M=±20%. The numeric code following indicates voltage rating: 5=50V, 1=100V, 2=200V.

Q: Can I use a 100V or 200V rated capacitor in a 50V circuit?

A: Yes. Higher voltage ratings are acceptable substitutes for lower voltage applications. The C1206C331J1GAC7800 (100V) and C1206C331J2GAC7800 (200V) function correctly in 50V circuits and provide additional voltage margin.

Q: Are TDK and KEMET parts interchangeable?

A: The C3216C0G2J331J060AA (TDK) and C3216C0G2J331K060AA (TDK) are mechanically and electrically compatible with KEMET equivalents when capacitance, tolerance, voltage, package, and temperature coefficient match. Both manufacturers produce 1206 package C0G/NP0 capacitors to industry standards.

Q: What does "Not For New Designs" status mean?

A: The C3216C0G2J331K060AA is available for existing production and legacy system support but should not be selected for new circuit designs. Use C3216C0G2J331J060AA (Active status) for new applications requiring 630V rating.

Q: Does package size differ between KEMET and TDK parts?

A: No. Both KEMET C1206 and TDK C3216 designations refer to the same 1206 (3216 Metric) physical package: 0.126" L × 0.063" W (3.20mm × 1.60mm). Thickness varies slightly: KEMET maximum 0.035" (0.88mm), TDK maximum 0.030" (0.75mm).

Q: Is moisture sensitivity a factor in substitution?

A: No. All listed parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitation. Substitution does not require moisture sensitivity consideration.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed maintain ROHS3 compliance and REACH Unaffected status, meeting environmental regulatory requirements for equivalent substitution.

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