1206J0250100GCT Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The 1206J0250100GCT is a 10 pF ceramic capacitor manufactured by Knowles Syfer, rated at 25V with C0G/NP0 temperature coefficient and ±2% tolerance. This surface mount multilayer ceramic capacitor (MLCC) in 1206 package format is designed for general purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is active and in production, with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching capacitance value, package format, temperature coefficient, and voltage rating compatibility.

Substiute Parts

1206J0250100GCT

Knowles SyferIn Stock: 9271206J0250100GCT Datasheet

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CC1206FRNPO9BN100

YAGEOIn Stock: 7833CC1206FRNPO9BN100 Datasheet

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KGM31BCG1E100FT

KYOCERA AVXIn Stock: 1149KGM31BCG1E100FT Datasheet

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KGM31BCG2A100FT

KYOCERA AVXIn Stock: 4825KGM31BCG2A100FT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1206J0250100GCT are qualified based on the following criteria:

Primary Matching Parameters:

• Capacitance value: 10 pF (exact match required)
• Package format: 1206 (3216 Metric) (exact match required)
• Temperature coefficient: C0G/NP0 (exact match required)
• Mounting type: Surface Mount, MLCC (exact match required)
• Operating temperature range: -55°C ~ 125°C (exact match required)

Allowable Variation Parameters:

• Tolerance: ±1% or ±2% (tighter tolerance acceptable)
• Voltage rating: Equal to or greater than 25V (higher voltage acceptable for same capacitance)
• Thickness: Variation acceptable within package constraints
• Manufacturer: Different manufacturers acceptable if all electrical and mechanical parameters match

Three substitute parts meet these criteria with variations in tolerance and voltage rating while maintaining full electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts are active products with ROHS3 compliance and REACH unaffected status, matching the regulatory compliance profile of the 1206J0250100GCT.

CC1206FRNPO9BN100 (YAGEO): This substitute offers improved tolerance (±1% versus ±2%) and elevated voltage rating (50V versus 25V). The reduced thickness (0.028" versus 0.063") provides design flexibility for space-constrained applications. Selection is appropriate when higher voltage margin or tighter tolerance specification is required.

KGM31BCG1E100FT (KYOCERA AVX): This substitute maintains the original 25V voltage rating with improved tolerance (±1% versus ±2%). The thickness specification (0.037") falls between the original and YAGEO options. Selection is appropriate for direct replacement when tolerance improvement is the primary requirement while maintaining identical voltage rating.

KGM31BCG2A100FT (KYOCERA AVX): This substitute provides the highest voltage rating (100V) with improved tolerance (±1% versus ±2%). Selection is appropriate for applications requiring maximum voltage margin or future design flexibility, with the understanding that higher voltage-rated capacitors may exhibit different parasitic characteristics.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher voltage rating than the original 1206J0250100GCT?

A: Yes. Higher voltage-rated capacitors are electrically compatible in circuits designed for lower voltages. The 50V and 100V rated substitutes operate safely in 25V applications. Voltage rating indicates the maximum safe operating voltage; using a part rated for higher voltage does not create compatibility issues.

Q: What is the significance of tolerance improvement from ±2% to ±1%?

A: Tolerance defines the allowable deviation of actual capacitance from the nominal 10 pF value. The ±1% substitutes (CC1206FRNPO9BN100, KGM31BCG1E100FT, KGM31BCG2A100FT) provide tighter capacitance accuracy, ranging from 9.9 pF to 10.1 pF versus 9.8 pF to 10.2 pF for the original ±2% part. This improvement is beneficial in precision circuits where capacitance accuracy affects performance.

Q: Are the thickness differences between substitute parts significant?

A: Thickness variations (0.028" to 0.063") are within the 1206 package specification and do not affect electrical performance. Thickness differences may impact PCB assembly clearance in space-constrained designs. Verify available board height clearance before selecting parts with maximum thickness specifications.

Q: Can all substitute parts be used interchangeably on the same PCB?

A: Yes. All substitute parts share identical footprint dimensions (0.126" L x 0.063" W / 3.20mm x 1.60mm), identical capacitance value (10 pF), identical temperature coefficient (C0G/NP0), and identical operating temperature range (-55°C ~ 125°C). PCB layout and reflow profiles require no modification for substitution.

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

A: C0G and NP0 designations refer to the same temperature coefficient specification, with C0G being the EIA standard designation and NP0 being the IEC standard designation. Both indicate zero temperature coefficient, meaning capacitance remains stable across the -55°C to 125°C operating range. The designations are equivalent.

Q: Which substitute part should I select for new designs?

A: Selection depends on specific design requirements. For direct replacement with improved tolerance, select KGM31BCG1E100FT (maintains 25V rating). For maximum voltage margin and improved tolerance, select KGM31BCG2A100FT (100V rating). For space-constrained designs requiring improved tolerance and higher voltage, select CC1206FRNPO9BN100 (50V rating, minimum thickness).