DMT2P68K Equivalent & Substitute Parts

Part Overview

The DMT2P68K is a 0.68 µF film capacitor rated for 250V DC operation with polyester metallized dielectric construction. This component features radial through-hole mounting with ±10% tolerance and operates across the temperature range of -55°C to 125°C. The original part is classified as obsolete, necessitating identification of active equivalent models to maintain design continuity and procurement reliability for applications utilizing this specification.

Substiute Parts

DMT2P68K

Cornell Dubilier Electronics (CDE)In Stock: 744DMT2P68K Datasheet

Current PartRFQ

DMT2P68K-F

Cornell Dubilier Electronics (CDE)In Stock: 1108DMT2P68K-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the DMT2P68K capacitor is strictly governed by matching the following critical electrical and mechanical parameters:

• Capacitance Value: 0.68 µF (exact match required)
• Tolerance: ±10% (matches allowed tolerance band)
• Voltage Rating (DC): 250V (minimum acceptable rating)
• Voltage Rating (AC): 125V (minimum acceptable rating)
• Dielectric Type: Polyester, Metallized (maintains performance characteristics)
• Operating Temperature Range: -55°C to 125°C (required functional range)
• Mounting Configuration: Through Hole, Radial package with 0.984" lead spacing
• Physical Envelope: 1.130" L × 0.630" W with 0.921" max seated height

The DMT2P68K-F qualifies as a direct substitute through Cornell Dubilier Electronics, maintaining identical electrical specifications and physical footprint while transitioning from obsolete to active product status.

Parameter Comparison

Engineering Selection Recommendations

The DMT2P68K-F is the direct successor to the obsolete DMT2P68K, manufactured by the same original designer Cornell Dubilier Electronics. All electrical and mechanical parameters are identical, ensuring electrical compatibility and mechanical interchangeability without circuit redesign or board-level modifications.

The DMT2P68K-F carries ROHS3 compliance status, meeting current regulatory requirements for new designs and component procurement. This transition from RoHS non-compliant to ROHS3 compliant status represents an upgrade in environmental and regulatory alignment. With 1073 units in active inventory, the DMT2P68K-F provides procurement reliability for ongoing production and replacement applications.

Frequently Asked Questions (FAQ)

Q: Can the DMT2P68K-F be used as a direct replacement for the DMT2P68K?

A: Yes. Both parts are manufactured by Cornell Dubilier Electronics and share identical electrical specifications (0.68 µF, ±10% tolerance, 250V DC rating) and mechanical characteristics (radial through-hole package, 0.984" lead spacing, identical physical footprint). Direct substitution requires no circuit or board modifications.

Q: What is the significance of the product status change from Obsolete to Active?

A: The DMT2P68K-F represents the active production variant of the DMT2P68K specification. Transition to the active part ensures long-term supply chain continuity, standardized manufacturing processes, and compliance with current industry standards.

Q: Does the RoHS compliance difference affect circuit performance?

A: RoHS compliance status reflects manufacturing and material composition standards rather than electrical performance. Both the DMT2P68K and DMT2P68K-F deliver identical electrical characteristics. The ROHS3 compliance of the DMT2P68K-F aligns with current regulatory requirements for component procurement in regulated applications.

Q: Are the physical dimensions and mounting footprint identical?

A: Yes. Both parts share identical dimensions (1.130" L × 0.630" W), maximum seated height (0.921"), and lead spacing (0.984"). PCB layouts and mechanical assemblies designed for the DMT2P68K require no modifications for the DMT2P68K-F installation.

Q: What applications are appropriate for these capacitors?

A: Both parts are rated for general purpose applications within the specified electrical operating range (250V DC, 125V AC, -55°C to 125°C). Specific application compatibility is determined by circuit voltage, frequency, and temperature requirements matching the capacitor's rated specifications.