Equivalent & Substitute Parts for Rubycon 25ST685M4532

Part Overview

The Rubycon 25ST685M4532 is a 6.8 µF film capacitor rated for 25V DC applications, featuring acrylic metallized dielectric construction in a 1812 (4532 metric) surface mount package. This component is designed for DC link and DC filtering applications with operating temperature range of -55°C to 125°C.

The 25ST685M4532 carries an obsolete product status. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications requiring this capacitance and voltage rating specification.

Substiute Parts

25ST685M4532

RubyconIn Stock: 83125ST685M4532 Datasheet

Current PartRFQ

25MU685MC44532

RubyconIn Stock: 96125MU685MC44532 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 25ST685M4532 is based on strict electrical and mechanical parameter matching:

Critical Matching Parameters:

• Capacitance value: 6.8 µF
• Tolerance: ±20%
• Voltage rating: 25V DC
• Dielectric material: Acrylic, Metallized
• Package: 1812 (4532 Metric)
• Physical dimensions: 0.177" L x 0.126" W, height 0.110" max
• Mounting type: Surface Mount
• Operating temperature: -55°C to 125°C
• Termination: Solder Pads

The substitute part 25MU685MC44532 meets all critical electrical and mechanical parameters, ensuring direct functional equivalence in DC link and DC filtering applications.

Parameter Comparison

Engineering Selection Recommendations

The 25MU685MC44532 serves as the direct parametric equivalent for the obsolete 25ST685M4532. Both parts are manufactured by Rubycon and share identical electrical specifications, physical dimensions, and compliance certifications.

The primary distinction is product status: the 25ST685M4532 is obsolete while the 25MU685MC44532 maintains active production status. The substitute part is available in Tape & Reel packaging, which is standard for high-volume manufacturing environments.

Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring compatibility with current manufacturing processes and environmental regulations.

Frequently Asked Questions (FAQ)

Q: Can the 25MU685MC44532 be used as a direct replacement for the 25ST685M4532?

A: Yes. Both parts share identical capacitance (6.8 µF), voltage rating (25V DC), tolerance (±20%), dielectric material (acrylic metallized), package dimensions (1812/4532 metric), and operating temperature range (-55°C to 125°C). Electrical and mechanical compatibility is complete.

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

A: The primary differences are product status and packaging format. The 25ST685M4532 is obsolete, while the 25MU685MC44532 is in active production. The substitute is supplied in Tape & Reel packaging, standard for automated assembly operations.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain identical RoHS3 compliance, REACH unaffected status, and moisture sensitivity level (MSL 5, 48 hours). Regulatory and environmental compliance is equivalent.

Q: Will the substitute part fit the same PCB footprint?

A: Yes. Both parts use the 1812 (4532 metric) surface mount package with identical physical dimensions: 0.177" L x 0.126" W (4.50mm x 3.20mm) and maximum seated height of 0.110" (2.80mm). PCB layout compatibility is assured.

Q: Are there any application limitations for the substitute part?

A: No. Both parts are specified for identical applications: DC link and DC filtering. Functional performance in these applications is equivalent.