M15G331J1-F Equivalent & Substitute Parts Reference

Part Overview

The M15G331J1-F is a 330 pF ±5% 100V ceramic capacitor manufactured by Cornell Dubilier Electronics (CDE) in the M15 series. This radial through-hole component features C0G/NP0 temperature coefficient characteristics suitable for general-purpose applications across the -55°C to 125°C operating range. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for circuit board replacement and new design applications.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±5%
Voltage Rating	100V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.100" (2.54mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the M15G331J1-F is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Requirements:

Capacitance value: 330 pF (exact match)
Tolerance: ±5% (exact match)
Voltage rating: 100V (minimum requirement; higher ratings acceptable)
Temperature coefficient: C0G or NP0 designation (functionally equivalent)
Operating temperature range: -55°C to 125°C (minimum requirement)

Mechanical Compatibility Requirements:

Mounting type: Through Hole (required for PCB retrofit)
Package configuration: Radial (required for lead-based insertion)
Lead spacing: 0.100" (2.54mm) nominal (primary compatibility criterion)
Lead style: Straight or formed leads acceptable (both support standard through-hole insertion)

Compliance Requirements:

RoHS3 compliance (environmental and regulatory alignment)
ECCN EAR99 classification (export control consistency)
HTSUS 8532.24.0060 (tariff classification consistency)

All substitute parts listed meet these criteria. Dimensional variations in body length and height do not affect electrical function or PCB mounting compatibility when lead spacing remains constant at 0.100" (2.54mm).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Operating Temp	Lead Spacing	Lead Style	Product Status	RoHS3	Inventory (Pcs)
M15G331J1-F	Cornell Dubilier Electronics	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Straight	Obsolete	Yes	1023
C315C331J1G5TA	KEMET	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Straight	Active	Yes	809
FK18C0G2A331JN020	TDK Corporation	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.098" (2.50mm)	Formed Leads - Kinked	Not For New Designs	Yes	1261
K331J10C0GH53L2	Vishay Beyschlag/Draloric/BC Components	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.098" (2.50mm)	Straight	Active	Yes	1062
K331J15C0GH53L2	Vishay Beyschlag/Draloric/BC Components	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.098" (2.50mm)	Straight	Active	Yes	943
SR071A331JAA	KYOCERA AVX	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Formed Leads - Kinked	Active	Yes	949
SR071A331JAR	KYOCERA AVX	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Formed Leads - Kinked	Active	Yes	1043
SR071A331JART	KYOCERA AVX	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Formed Leads - Kinked	Active	Yes	977
SR151A331JAR	KYOCERA AVX	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Straight	Active	Yes	2812
SR151A331JARTR1	KYOCERA AVX	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Straight	Active	Yes	4441
SR151A331JARTR2	KYOCERA AVX	330 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	0.100" (2.54mm)	Straight	Active	Yes	998

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The KYOCERA AVX SR151A331JAR, SR151A331JARTR1, and SR151A331JARTR2 represent the most direct electrical and mechanical equivalents. These parts maintain identical lead spacing (0.100" / 2.54mm), straight lead style matching the original M15G331J1-F, and active product status. The SR151A series offers the highest inventory availability (2812 to 4441 units), ensuring supply chain continuity. All variants are ROHS3 compliant and carry identical electrical specifications.

Secondary Substitutes (Acceptable with Lead Spacing Consideration):

The KEMET C315C331J1G5TA provides full electrical equivalence with identical lead spacing and straight leads. This part is actively manufactured and ROHS3 compliant. The Vishay Beyschlag K331J10C0GH53L2 and K331J15C0GH53L2 are active alternatives with equivalent electrical performance; however, lead spacing is 0.098" (2.50mm) rather than 0.100" (2.54mm). This 0.002" (0.05mm) variance is within standard PCB tolerance for through-hole mounting and does not prevent functional substitution.

Tertiary Substitutes (Limited Recommendation):

The KYOCERA AVX SR071A series (SR071A331JAA, SR071A331JAR, SR071A331JART) maintains 0.100" lead spacing but features formed/kinked leads rather than straight leads. These parts are electrically equivalent and active; however, formed leads require different insertion techniques and may not be suitable for automated assembly processes designed for straight-lead components.

The TDK FK18C0G2A331JN020 carries "Not For New Designs" status, limiting its suitability for new circuit implementations despite active inventory availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute the M15G331J1-F with any of the listed parts in existing circuit boards?

A: Yes, all listed substitute parts meet the electrical requirements (330 pF, ±5%, 100V, C0G/NP0, -55°C to 125°C). For direct PCB retrofit without modification, prioritize parts with 0.100" (2.54mm) lead spacing and straight leads: SR151A331JAR, SR151A331JARTR1, SR151A331JARTR2, and C315C331J1G5TA. Parts with 0.098" (2.50mm) lead spacing or formed leads require PCB hole verification or lead bending.

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

A: C0G and NP0 designations are functionally equivalent. Both indicate zero temperature coefficient ceramic capacitors with identical performance characteristics across the -55°C to 125°C operating range. The different naming conventions reflect industry standards from different regions and manufacturers.

Q: Why do some substitute parts have different lead spacing?

A: Lead spacing variations (0.100" versus 0.098") result from different manufacturer design standards. The 0.002" (0.05mm) difference falls within standard PCB through-hole tolerance. However, for automated assembly compatibility, matching the original 0.100" spacing is preferred.

Q: What is the significance of "Active" versus "Obsolete" product status?

A: Active status indicates the manufacturer continues production and supports the part through normal distribution channels. Obsolete status means the manufacturer has discontinued production. The M15G331J1-F obsolete status necessitates substitution with active alternatives to ensure long-term availability and supply chain reliability.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts carry ROHS3 compliance certification, matching the environmental and regulatory requirements of the original M15G331J1-F.

Q: What packaging options are available for the substitute parts?

A: Substitute parts are available in multiple packaging formats: Bulk (loose components), Cut Tape (CT), and Tape & Reel (TR). Selection depends on assembly volume and automation requirements. SR151A331JARTR1 (Cut Tape) and SR151A331JARTR2 (Tape & Reel) support high-volume automated assembly. SR151A331JAR (Bulk) suits lower-volume or manual assembly applications.

Q: Can I use parts with formed/kinked leads as direct replacements?

A: Formed-lead variants (SR071A series) are electrically equivalent but require different insertion techniques. Standard through-hole assembly equipment designed for straight leads may not accommodate kinked leads without manual adjustment. Evaluate assembly process compatibility before selecting formed-lead alternatives.

Q: Which substitute offers the best inventory availability?

A: SR151A331JARTR1 provides the highest inventory level at 4,441 units, followed by SR151A331JAR at 2,812 units. Both are KYOCERA AVX SkyCap SR series components with identical electrical specifications and active product status.

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