Equivalent & Substitute Parts for K681K15C0GF53L2

Part Overview

The K681K15C0GF53L2 is a 680 pF ceramic capacitor rated at 50V with C0G/NP0 temperature coefficient, manufactured by Vishay Beyschlag/Draloric/BC Components in the Mono-Kap™ K series. This radial through-hole component is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is currently active in production with ROHS3 compliance. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits tolerance or dielectric material variations.

Substiute Parts

K681K15C0GF53L2

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 935K681K15C0GF53L2 Datasheet

Current PartRFQ

K681J15C0GF53L2

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 17110K681J15C0GF53L2 Datasheet

UpgradeRFQ

K681K15X7RF53L2

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 18807K681K15X7RF53L2 Datasheet

MFR RecommendedRFQ

SR215A681KAATR1

KYOCERA AVXIn Stock: 3839SR215A681KAATR1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the K681K15C0GF53L2 is determined by the following critical parameters: capacitance value (680 pF), voltage rating (50V), temperature coefficient stability (C0G/NP0 or equivalent), operating temperature range (-55°C to 125°C), and through-hole radial mounting configuration. Substitute parts are grouped into two categories:

Category 1: Direct Upgrade (Tighter Tolerance) K681J15C0GF53L2 maintains identical electrical specifications with improved tolerance (±5% versus ±10%), identical physical dimensions, and identical lead spacing. This part is a direct functional upgrade with no layout or performance trade-offs.

Category 2: Dielectric Material Variant K681K15X7RF53L2 substitutes the temperature coefficient from C0G/NP0 to X7R, maintaining all other electrical parameters (680 pF, ±10%, 50V) and physical dimensions. X7R dielectric provides broader temperature stability characteristics suitable for applications where C0G/NP0 performance is not mandatory.

Category 3: Cross-Manufacturer Alternative SR215A681KAATR1 (KYOCERA AVX SkyCap® SR series) provides equivalent electrical performance (680 pF, ±10%, 50V, C0G/NP0) with different physical dimensions and lead spacing (0.200" / 5.08mm), requiring PCB layout verification before substitution.

Parameter Comparison

Engineering Selection Recommendations

K681J15C0GF53L2 is the preferred direct substitute when component availability of the original part is constrained. This part maintains identical physical footprint and lead spacing, requiring no PCB layout modifications. The tighter ±5% tolerance provides improved capacitance accuracy compared to the original ±10% specification. Both parts are ROHS3 compliant and active in production.

K681K15X7RF53L2 is suitable for applications where C0G/NP0 temperature coefficient performance is not a design requirement. X7R dielectric material provides acceptable temperature stability for general-purpose circuits while maintaining identical physical dimensions and lead spacing. This part is ROHS3 compliant and active in production.

SR215A681KAATR1 requires PCB layout verification before implementation. The increased lead spacing (0.200" versus 0.098") and larger physical dimensions (5.08mm x 3.18mm versus 4.00mm x 2.60mm) necessitate confirmation that the PCB footprint accommodates these differences. This cross-manufacturer alternative is ROHS3 compliant and active in production. The formed leads with kinked style differ from the straight lead style of Vishay parts.

Frequently Asked Questions (FAQ)

Q: Can K681J15C0GF53L2 be used as a direct replacement for K681K15C0GF53L2? A: Yes. K681J15C0GF53L2 is a direct substitute with identical capacitance (680 pF), voltage rating (50V), temperature coefficient (C0G/NP0), physical dimensions, and lead spacing. The only difference is improved tolerance (±5% versus ±10%), which is a functional upgrade requiring no design changes.

Q: What is the difference between C0G/NP0 and X7R temperature coefficients? A: C0G/NP0 provides stable capacitance across the operating temperature range with minimal variation. X7R dielectric exhibits greater capacitance variation over temperature but remains within acceptable limits for general-purpose applications. Selection depends on circuit requirements for capacitance stability.

Q: Can SR215A681KAATR1 be substituted without PCB modifications? A: No. SR215A681KAATR1 has different lead spacing (0.200" versus 0.098") and larger physical dimensions. PCB footprint verification is required before substitution. The formed leads with kinked style also differ from the straight leads of Vishay parts.

Q: Are all substitute parts ROHS3 compliant? A: Yes. K681J15C0GF53L2, K681K15X7RF53L2, and SR215A681KAATR1 are all ROHS3 compliant, matching the compliance status of the original K681K15C0GF53L2.

Q: What is the lead spacing significance for PCB design? A: Lead spacing determines the distance between component leads on the PCB. K681K15C0GF53L2, K681J15C0GF53L2, and K681K15X7RF53L2 share 0.098" (2.50mm) lead spacing and are footprint-compatible. SR215A681KAATR1 uses 0.200" (5.08mm) lead spacing and requires different PCB pad layout.