MC12FD101F-F Equivalent & Substitute Parts

Part Overview

The MC12FD101F-F is a 100 pF mica capacitor manufactured by Cornell Dubilier Electronics (CDE), rated for 500 V operation in a 1210 (3225 Metric) surface mount package. This component is classified as Active and is ROHS3 compliant. Mica capacitors in this specification are utilized in RF applications requiring high Q factor and low loss characteristics across the operating temperature range of -55°C to 125°C. Substitute parts are identified when inventory constraints, packaging preferences, or tolerance requirements necessitate alternative sourcing while maintaining electrical and mechanical compatibility.

Substiute Parts

MC12FD101F-F

Cornell Dubilier Electronics (CDE)In Stock: 1044MC12FD101F-F Datasheet

Current PartRFQ

MC12FD101J-F

Cornell Dubilier Electronics (CDE)In Stock: 2011MC12FD101J-F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MC12FD101F-F is determined by strict equivalence in the following parameters:

Critical Parameters (Must Match Exactly):

• Capacitance: 100 pF
• Voltage Rating: 500 V
• Dielectric Material: Mica
• Package / Case: 1210 (3225 Metric)
• Mounting Type: Surface Mount
• Physical Dimensions: 3.20mm x 2.50mm x 2.00mm (Max)
• Operating Temperature Range: -55°C to 125°C

Allowable Variation Parameter:

• Tolerance: The MC12FD101F-F specifies ±1% tolerance. Substitute parts with relaxed tolerance specifications (±5%) are acceptable when circuit design permits wider capacitance variation.

The MC12FD101J-F meets all critical parameters and is classified as a direct substitute with tolerance relaxation from ±1% to ±5%.

Parameter Comparison

Engineering Selection Recommendations

MC12FD101F-F Selection Criteria: Select the MC12FD101F-F when circuit design specifications require ±1% capacitance tolerance. This part is suitable for precision RF applications where tight capacitance control is essential. The part is Active status with full ROHS3 and REACH compliance, ensuring long-term availability and regulatory conformance.

MC12FD101J-F Selection Criteria: The MC12FD101J-F is a direct substitute when tolerance relaxation to ±5% is acceptable within circuit design margins. This substitute part offers identical electrical performance in voltage rating, dielectric material, and operating temperature range. Both parts share identical physical dimensions and mounting characteristics, ensuring PCB layout compatibility. The MC12FD101J-F is also Active status with ROHS3 and REACH compliance. Higher inventory availability (2000 Pcs vs. 971 Pcs) may support supply chain continuity.

Compliance Verification: Both parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8532.29.0020. MSL 1 rating indicates unlimited shelf life under standard storage conditions.

Frequently Asked Questions (FAQ)

Q: Can MC12FD101J-F replace MC12FD101F-F in all applications?

A: The MC12FD101J-F is a direct substitute only when circuit design tolerates ±5% capacitance variation. If the application requires ±1% tolerance control, the MC12FD101F-F must be used. Verify tolerance requirements in the circuit schematic and design specifications before substitution.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts are packaged in 1210 (3225 Metric) with identical dimensions of 3.20mm length, 2.50mm width, and 2.00mm maximum height. PCB footprints and assembly processes are interchangeable.

Q: What is the difference between these two part numbers?

A: The primary difference is capacitance tolerance. MC12FD101F-F specifies ±1% tolerance, while MC12FD101J-F specifies ±5% tolerance. All other electrical and mechanical parameters, including capacitance value (100 pF), voltage rating (500 V), and operating temperature range (-55°C to 125°C), are identical.

Q: Are both parts suitable for RF applications?

A: Yes. Both parts feature RF, High Q, and Low Loss characteristics. The mica dielectric material and surface mount construction support RF circuit requirements across the full operating temperature range.

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. These components can be stored indefinitely under standard conditions without requiring special moisture control measures.

Q: Are these parts RoHS compliant?

A: Yes. Both MC12FD101F-F and MC12FD101J-F are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.