Equivalent & Substitute Parts for 335CKS450MLM

Part Overview

The 335CKS450MLM is a 3.3 µF, 450 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as Active product status and is designed for general purpose applications requiring polar electrolytic capacitor functionality. The CKS series operates across a temperature range of -25°C to 85°C with a rated lifetime of 2000 hours at 85°C. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this product category.

Substiute Parts

335CKS450MLM

Cornell Dubilier / Illinois CapacitorIn Stock: 783335CKS450MLM Datasheet

Current PartRFQ

450BXC3.3MEFC10X12.5

RubyconIn Stock: 1995450BXC3.3MEFC10X12.5 Datasheet

UpgradeRFQ

450PX3.3MEFC10X12.5

RubyconIn Stock: 2365450PX3.3MEFC10X12.5 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 335CKS450MLM are qualified based on the following criteria:

Electrical Parameters (Must Match):

• Capacitance: 3.3 µF
• Tolerance: ±20%
• Voltage Rating: 450 V
• Polarization: Polar

Mechanical Parameters (Must Match):

• Lead Spacing: 0.197" (5.00mm)
• Size / Dimension: 0.394" Dia (10.00mm)
• Package / Case: Radial, Can
• Mounting Type: Through Hole

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected

The following substitute parts meet all mandatory electrical, mechanical, and compliance requirements:

1. 450BXC3.3MEFC10X12.5 (Rubycon BXC Series)
2. 450PX3.3MEFC10X12.5 (Rubycon PX Series)

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts are Active product status components that maintain full electrical and mechanical compatibility with the 335CKS450MLM. Selection between substitute options is based on application-specific requirements:

450BXC3.3MEFC10X12.5 (Rubycon BXC Series): This substitute provides extended operational lifetime of 8000 hours at 105°C, compared to the main part's 2000 hours at 85°C. The BXC series supports an expanded operating temperature range to 105°C. Both parts maintain ROHS3 compliance and REACH unaffected status. Physical height difference is 0.020" (0.50mm) maximum.

450PX3.3MEFC10X12.5 (Rubycon PX Series): This substitute maintains equivalent lifetime specifications at elevated temperature (2000 hours at 105°C) and supports the expanded operating temperature range to 105°C. The PX series also maintains ROHS3 compliance and REACH unaffected status. Physical height difference is 0.020" (0.50mm) maximum.

Both substitutes are electrically and mechanically compatible for direct replacement in through-hole PCB applications where the specified lead spacing and package dimensions are accommodated.

Frequently Asked Questions (FAQ)

Q: Can 450BXC3.3MEFC10X12.5 or 450PX3.3MEFC10X12.5 be used as direct replacements for 335CKS450MLM?

A: Yes. Both substitute parts match the required electrical parameters (3.3 µF, ±20% tolerance, 450 V rating), mechanical specifications (lead spacing, package type, mounting configuration), and compliance certifications (ROHS3, REACH unaffected). The radial, can package and through-hole mounting are identical.

Q: What is the physical difference between the main part and substitutes?

A: The maximum seated height differs by 0.020" (0.50mm). The main part 335CKS450MLM has a maximum height of 0.551" (14.00mm), while both Rubycon substitutes have a maximum height of 0.571" (14.50mm). All other mechanical dimensions, including lead spacing and diameter, are identical.

Q: Are there temperature range differences between these parts?

A: Yes. The main part 335CKS450MLM operates from -25°C to 85°C. Both substitute parts (450BXC3.3MEFC10X12.5 and 450PX3.3MEFC10X12.5) operate from -25°C to 105°C, providing an extended upper temperature limit of 20°C.

Q: What is the difference in lifetime specifications?

A: The main part 335CKS450MLM is rated for 2000 hours at 85°C. The 450BXC3.3MEFC10X12.5 provides 8000 hours at 105°C. The 450PX3.3MEFC10X12.5 provides 2000 hours at 105°C. Lifetime ratings are temperature-dependent specifications.

Q: Do all parts maintain the same compliance certifications?

A: Yes. The main part and both substitutes are ROHS3 compliant and REACH unaffected. All three parts carry identical regulatory compliance status.

Q: Can these parts be used interchangeably in existing PCB designs?

A: The electrical and mechanical specifications support interchangeability in through-hole PCB applications. The 0.020" (0.50mm) height difference must be evaluated for clearance in the specific PCB assembly design. Lead spacing and package footprint are identical across all three parts.