AB14 Trimmer Capacitor Equivalent & Substitute Parts

Part Overview

The AB14 is a 1–14pF trimmer capacitor rated for 125V operation with top adjustment and through-hole mounting. Manufactured by Knowles Voltronics, this component is classified as active and suitable for general-purpose applications requiring variable capacitance tuning. Finding equivalent or substitute parts may be necessary due to inventory constraints, supply chain considerations, or design flexibility requirements while maintaining identical electrical and mechanical performance.

Substiute Parts

AB14

Knowles VoltronicsIn Stock: 871AB14 Datasheet

Current PartRFQ

AF14

Knowles VoltronicsIn Stock: 1232AF14 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The AF14 is classified as a parametric equivalent to the AB14 based on strict alignment of the following critical parameters:

• Capacitance Range: 1–14pF (identical)
• Voltage Rating: 125V (identical)
• Adjustment Type: Top (identical)
• Dielectric Material: Air (identical)
• Q Factor @ 100MHz: 3000 (identical)
• Physical Dimensions: 0.300" Dia (7.62mm), Height 0.480" (12.19mm) (identical)
• Operating Temperature Range: –65°C to 125°C (identical)
• Mounting Type: Through Hole (identical)
• RoHS and REACH Compliance: ROHS3 Compliant, REACH Unaffected (identical)

Both parts belong to the Knowles Voltronics Series A and share identical electrical performance characteristics and mechanical form factors, making them direct substitutes within the same product family.

Parameter Comparison

Engineering Selection Recommendations

Both AB14 and AF14 are active products manufactured by Knowles Voltronics with identical electrical specifications, mechanical dimensions, and compliance certifications. Selection between these parts should be based on availability and supply chain requirements. Both parts meet ROHS3 compliance and REACH unaffected status, making them suitable for applications requiring regulatory adherence. The AF14 currently maintains higher inventory levels (1202 units versus 824 units), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the AF14 be used as a direct replacement for the AB14?

A: Yes. The AF14 is a parametric equivalent with identical capacitance range (1–14pF), voltage rating (125V), adjustment type (top), dielectric material (air), Q factor (3000 @ 100MHz), physical dimensions (0.300" Dia, 0.480" height), operating temperature range (–65°C to 125°C), and mounting type (through hole). Both are ROHS3 compliant and REACH unaffected.

Q: Are there any mechanical compatibility concerns when substituting AB14 with AF14?

A: No. Both parts share identical physical dimensions and through-hole mounting specifications, ensuring direct mechanical compatibility in PCB layouts and assembly processes.

Q: Do both parts have the same electrical performance characteristics?

A: Yes. Both parts exhibit identical capacitance tuning range, voltage rating, Q factor at 100MHz, and operating temperature specifications.

Q: What compliance certifications apply to both parts?

A: Both AB14 and AF14 are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Q: Is there a difference in packaging or inventory status?

A: Both parts are supplied in bulk packaging. The AF14 currently has higher inventory availability (1202 units) compared to the AB14 (824 units).