Equivalent & Substitute Parts for M22G220K2-F

Part Overview

The Cornell Dubilier Electronics M22G220K2-F is a 22 pF ceramic capacitor rated at 200V with C0G/NP0 temperature coefficient, designed for general-purpose applications in through-hole configurations. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing production and maintenance requirements. The M22 series radial ceramic capacitor operates across the temperature range of -55°C to 125°C and complies with ROHS3 standards.

Key Parameters

Parameter	Value
Capacitance	22 pF
Tolerance	±10%
Voltage Rating	200V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.200" (5.08mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the M22G220K2-F is determined by strict equivalence in the following electrical and mechanical parameters:

Electrical Equivalence Requirements:

Capacitance: 22 pF (exact match required)
Voltage Rating: 200V (minimum requirement)
Temperature Coefficient: C0G/NP0 (mandatory for stability)
Operating Temperature: -55°C to 125°C (minimum range)

Mechanical Compatibility Requirements:

Mounting Type: Through Hole (radial configuration)
Lead Spacing: 0.200" (5.08mm) center-to-center
Package Type: Radial ceramic capacitor

Tolerance Considerations: The original M22G220K2-F specifies ±10% tolerance. Substitute parts with tighter tolerances (±5% or ±2%) are classified as upgrades and provide improved accuracy while maintaining full backward compatibility. Parts with looser tolerances are not acceptable substitutes.

Compliance Requirements: All substitute parts must maintain ROHS3 compliance and EAR99 export classification.

Substitute parts are grouped into two categories: direct equivalents (matching ±10% tolerance) and upgrades (tighter tolerance specifications).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Size (L x W)	Height Max	Lead Style	Status
M22G220K2-F	Cornell Dubilier	22 pF	±10%	200V	C0G/NP0	0.200" x 0.150"	0.320"	Straight	Obsolete
SR122A220KAA	KYOCERA AVX	22 pF	±10%	200V	C0G/NP0	0.150" x 0.150"	0.100"	Formed Leads	Active
SR122A220KAR	KYOCERA AVX	22 pF	±10%	200V	C0G/NP0	0.150" x 0.150"	0.100"	Formed Leads	Active
SR212A220KAA	KYOCERA AVX	22 pF	±10%	200V	C0G/NP0	0.200" x 0.125"	0.300"	Formed Leads - Kinked	Active
SR212A220KARTR1	KYOCERA AVX	22 pF	±10%	200V	C0G/NP0	0.200" x 0.125"	0.300"	Formed Leads - Kinked	Active
C317C220J2G5TA	KEMET	22 pF	±5%	200V	C0G/NP0	0.150" x 0.100"	0.200"	Formed Leads	Active
C322C220J2G5TA	KEMET	22 pF	±5%	200V	C0G/NP0	0.200" x 0.125"	0.260"	Formed Leads	Active
SR122A220JAR	KYOCERA AVX	22 pF	±5%	200V	C0G/NP0	0.150" x 0.150"	0.100"	Formed Leads	Active
SR212A220GARTR1	KYOCERA AVX	22 pF	±2%	200V	C0G/NP0	0.200" x 0.125"	0.300"	Formed Leads - Kinked	Active
SR212A220JAA	KYOCERA AVX	22 pF	±5%	200V	C0G/NP0	0.200" x 0.125"	0.300"	Formed Leads - Kinked	Active
SR212A220JARTR1	KYOCERA AVX	22 pF	±5%	200V	C0G/NP0	0.200" x 0.125"	0.300"	Formed Leads - Kinked	Active

Engineering Selection Recommendations

Direct Equivalents (±10% Tolerance):

The following parts provide direct electrical and mechanical equivalence to the M22G220K2-F:

SR122A220KAA and SR122A220KAR: KYOCERA AVX SkyCap® SR series with identical electrical specifications. Both are active production parts with ROHS3 compliance. SR122A220KAA is supplied in standard packaging, while SR122A220KAR is supplied in bulk. These parts feature a more compact footprint (0.150" x 0.150") compared to the original, with reduced seated height of 0.100".
SR212A220KAA and SR212A220KARTR1: KYOCERA AVX SkyCap® SR series matching the original dimensional profile (0.200" x 0.125"). SR212A220KAA is supplied in bulk packaging, while SR212A220KARTR1 is supplied in Tape & Reel format. Both maintain the 0.200" lead spacing and are active production components.

Upgrade Options (Tighter Tolerance):

Upgrade parts provide improved capacitance accuracy while maintaining full backward compatibility:

±5% Tolerance Upgrades: SR122A220JAR, SR212A220JAA, SR212A220JARTR1, C317C220J2G5TA, and C322C220J2G5TA offer tighter tolerance specifications suitable for applications requiring improved accuracy. These parts are all active production items with ROHS3 compliance.
±2% Tolerance Upgrade: SR212A220GARTR1 provides the highest accuracy specification available in this product category, supplied in Tape & Reel format for automated assembly processes.

Selection Criteria:

Choose direct equivalents when the original ±10% tolerance specification is acceptable and cost optimization is a priority. Select upgrade parts when circuit design requires improved capacitance accuracy or when sourcing from active production lines is preferred over obsolete inventory. Packaging format selection (bulk, cut tape, or tape & reel) depends on assembly process requirements and order quantities.

Frequently Asked Questions (FAQ)

Q: Can SR122A220KAA replace M22G220K2-F directly in existing PCB designs?

A: Yes. SR122A220KAA is electrically equivalent with identical capacitance (22 pF), tolerance (±10%), voltage rating (200V), and temperature coefficient (C0G/NP0). The lead spacing of 0.200" matches the original. However, the physical footprint is more compact (0.150" x 0.150" versus 0.200" x 0.150"), so PCB layout verification is required to confirm the smaller body dimensions fit within the available space.

Q: What is the difference between SR212A220KAA and SR212A220KARTR1?

A: Both parts are electrically and mechanically identical. The difference is packaging format: SR212A220KAA is supplied in bulk, while SR212A220KARTR1 is supplied in Tape & Reel (TR) format. Tape & Reel packaging is optimized for automated pick-and-place assembly, while bulk packaging is suitable for manual assembly or lower-volume applications.

Q: Are KEMET C317C220J2G5TA and C322C220J2G5TA compatible with the original M22G220K2-F?

A: Both KEMET parts are electrically compatible with improved ±5% tolerance specifications. C317C220J2G5TA has a more compact footprint (0.150" x 0.100"), while C322C220J2G5TA matches the original dimensional profile (0.200" x 0.125"). PCB layout verification is required to confirm physical fit, particularly for C317C220J2G5TA due to its smaller body size.

Q: What does the "J" designation in part numbers like SR122A220JAR indicate?

A: The "J" designation indicates ±5% tolerance specification. In the KYOCERA AVX SkyCap® SR series naming convention, "K" represents ±10% tolerance and "J" represents ±5% tolerance. Both are C0G/NP0 temperature coefficient parts suitable for general-purpose applications.

Q: Is SR212A220GARTR1 with ±2% tolerance suitable for all applications where M22G220K2-F is used?

A: SR212A220GARTR1 is electrically and mechanically compatible with the original part. The ±2% tolerance provides improved accuracy and is suitable for all applications. However, the tighter tolerance may result in higher component cost. Use this part only when the application specifically requires improved capacitance accuracy.

Q: Do all substitute parts maintain ROHS3 compliance?

A: Yes. All substitute parts listed are ROHS3 compliant and carry EAR99 export classification, matching the compliance status of the original M22G220K2-F.

Q: What is the difference between "Formed Leads" and "Formed Leads - Kinked" lead styles?

A: "Formed Leads" indicates standard radial leads bent at a single angle for through-hole insertion. "Formed Leads - Kinked" indicates leads with an additional bend or kink in the formation, typically used for specific PCB hole spacing or assembly process requirements. Both styles maintain the 0.200" lead spacing and are compatible with standard through-hole PCB designs.

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