K101J15C0GF53K2 Equivalent & Substitute Parts

Part Overview

The K101J15C0GF53K2 is a 100 pF ±5% 50V ceramic capacitor with C0G/NP0 temperature coefficient manufactured by Vishay Beyschlag/Draloric/BC Components. This radial through-hole component is part of the Mono-Kap™ K series and maintains active product status. Substitute parts are necessary when the original part becomes unavailable, when lead style or physical dimensions require adjustment for assembly compatibility, or when upgraded voltage ratings are required for circuit margin enhancement.

Key Parameters

Parameter	Value
Capacitance	100 pF
Tolerance	±5%
Voltage - Rated	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Through Hole
Package / Case	Radial
Lead Spacing	0.098" (2.50mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the K101J15C0GF53K2 is determined by the following criteria:

Direct Substitutes (Same Electrical Specifications): Parts with identical capacitance (100 pF), tolerance (±5%), voltage rating (50V), temperature coefficient (C0G/NP0), and operating temperature range (-55°C ~ 125°C). These parts differ only in lead style (straight vs. kinked), physical height, or manufacturer, but maintain full electrical and mechanical compatibility within the radial through-hole package class.

Upgrade Substitutes (Enhanced Voltage Rating): Parts with identical capacitance, tolerance, and temperature coefficient but rated for higher voltage (100V or 250V). These provide increased circuit margin and are electrically compatible in applications designed for 50V operation.

Key Parameters for Substitution:

Capacitance value: 100 pF (fixed)
Tolerance: ±5% minimum (±2% acceptable as upgrade)
Temperature Coefficient: C0G/NP0 (mandatory)
Operating Temperature: -55°C ~ 125°C (mandatory)
Mounting Type: Through Hole Radial (mandatory)
Lead Spacing: 0.098" (2.50mm) or 0.100" (2.54mm) (minor variation acceptable)
Voltage Rating: 50V minimum (100V or 250V acceptable as upgrade)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Lead Style	Height (Max)	Lead Spacing	Product Status
K101J15C0GF53K2	Vishay	100 pF	±5%	50V	C0G/NP0	Formed Leads - Kinked	0.295" (7.50mm)	0.098" (2.50mm)	Active
K101J15C0GF53L2	Vishay	100 pF	±5%	50V	C0G/NP0	Straight	0.220" (5.60mm)	0.098" (2.50mm)	Active
K101J15C0GH53L2	Vishay	100 pF	±5%	100V	C0G/NP0	Straight	0.220" (5.60mm)	0.098" (2.50mm)	Active
FG18C0G1H101JNT00	TDK	100 pF	±5%	50V	C0G/NP0	Formed Leads	0.217" (5.50mm)	0.098" (2.50mm)	Active
FK18C0G1H101JN020	TDK	100 pF	±5%	50V	C0G/NP0	Formed Leads - Kinked	0.217" (5.50mm)	0.098" (2.50mm)	Not For New Designs
SR155A101JAR	KYOCERA AVX	100 pF	±5%	50V	C0G/NP0	Straight	0.150" (3.81mm)	0.100" (2.54mm)	Active
FK18C0G2A101JN020	TDK	100 pF	±5%	100V	C0G/NP0	Formed Leads - Kinked	0.217" (5.50mm)	0.098" (2.50mm)	Not For New Designs
FK18C0G2E101JN020	TDK	100 pF	±5%	250V	C0G/NP0	Formed Leads - Kinked	0.217" (5.50mm)	0.098" (2.50mm)	Not For New Designs
SR151A101GAR	KYOCERA AVX	100 pF	±2%	100V	C0G/NP0	Straight	0.150" (3.81mm)	0.100" (2.54mm)	Active
SR151A101JAA	KYOCERA AVX	100 pF	±5%	100V	C0G/NP0	Straight	0.150" (3.81mm)	0.100" (2.54mm)	Active
SR151A101JAR	KYOCERA AVX	100 pF	±5%	100V	C0G/NP0	Straight	0.150" (3.81mm)	0.100" (2.54mm)	Active

Engineering Selection Recommendations

Primary Direct Substitute: K101J15C0GF53L2 (Vishay) is the preferred direct substitute. It maintains identical electrical specifications and RoHS3 compliance with active product status. The primary difference is straight lead style and reduced seated height (0.220" vs. 0.295"), which may improve PCB assembly clearance in space-constrained layouts.

Cross-Manufacturer Direct Substitute: FG18C0G1H101JNT00 (TDK) provides equivalent electrical performance with active product status and RoHS3 compliance. Lead spacing and voltage rating are identical to the original part. Physical dimensions differ slightly, requiring verification of PCB footprint compatibility.

Avoid for New Designs: FK18C0G1H101JN020, FK18C0G2A101JN020, and FK18C0G2E101JN020 (TDK FK series) carry "Not For New Designs" status and should not be selected for new circuit development, though they remain available for legacy system support.

Upgrade Options: K101J15C0GH53L2, SR151A101JAA, and SR151A101JAR provide 100V rated operation while maintaining ±5% tolerance and C0G/NP0 characteristics. These are suitable when circuit margin enhancement is required. SR151A101GAR offers tighter ±2% tolerance at 100V rating for precision applications.

Compliance Verification: All recommended substitutes maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can I substitute K101J15C0GF53K2 with a 100V rated part in a 50V circuit?

A: Yes. Upgrade substitutes rated for 100V or 250V are electrically compatible in circuits designed for 50V operation. The higher voltage rating provides additional safety margin without affecting circuit function.

Q: What is the difference between kinked and straight lead styles?

A: Lead style affects PCB assembly and insertion. Kinked leads (original part) provide pre-formed bends for specific hole spacing. Straight leads require manual forming or use in applications with adjustable lead spacing. Both styles are mechanically and electrically equivalent when properly installed.

Q: Are KYOCERA AVX SkyCap® SR parts compatible with Vishay Mono-Kap™ K parts?

A: Yes, for electrical function. SR155A101JAR and SR151A101JAA/JAR maintain identical capacitance, tolerance, temperature coefficient, and voltage ratings. Physical dimensions differ slightly (3.81mm vs. 4.00mm body length; 0.100" vs. 0.098" lead spacing), requiring PCB footprint verification before substitution.

Q: Why should I avoid FK series parts for new designs?

A: FK series parts carry "Not For New Designs" product status, indicating manufacturer discontinuation or transition. While available for existing inventory, they should not be specified for new circuit development to ensure long-term supply chain stability.

Q: What tolerance should I specify for precision applications?

A: The original K101J15C0GF53K2 specifies ±5% tolerance. For tighter tolerance requirements, SR151A101GAR offers ±2% tolerance at 100V rating, providing improved capacitance accuracy while maintaining C0G/NP0 temperature stability.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original part's environmental certifications.

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