DMM1W3P3K-F Film Capacitor Equivalent & Substitute Parts

Part Overview

The DMM1W3P3K-F is a 3.3 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 100V DC voltage rating and ±10% tolerance. This polyester metallized radial capacitor operates across -55°C to 125°C and is designed for general-purpose applications. The part maintains Active product status with 1010 units in current inventory stock.

Equivalent and substitute parts are identified to support component procurement flexibility, inventory management, and application requirements where voltage ratings, tolerance specifications, or physical dimensions may differ from the original specification.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	3.3 µF	Must remain constant across all substitutes
Voltage Rating - DC	100V	Determines circuit compatibility; substitutes may have equal or higher ratings
Tolerance	±10%	Defines acceptable capacitance variation; tighter tolerances acceptable
Dielectric Material	Polyester, Metallized	Establishes electrical and thermal characteristics
Mounting Type	Through Hole Radial	Determines PCB compatibility and lead configuration
Operating Temperature	-55°C to 125°C	Must support application thermal environment
RoHS Status	ROHS3 Compliant	Regulatory requirement for many applications

Substitute Part Grouping Explanation

Substitute parts for the DMM1W3P3K-F are classified based on the following substitution criteria:

Upgrade Substitutes maintain or exceed the original voltage rating while preserving capacitance and tolerance specifications. These parts support applications requiring higher voltage margins or improved reliability.

Similar Substitutes match the original electrical specifications but differ in physical dimensions or lead spacing. These parts are suitable for applications where the original footprint cannot be accommodated.

Cross-Manufacturer Substitutes provide equivalent electrical performance from alternative manufacturers while meeting identical compliance and certification requirements.

The following parameters determine substitution validity:

Capacitance value: 3.3 µF (fixed)
Voltage rating: Equal to or greater than 100V DC
Tolerance: ±10% or tighter
Dielectric: Polyester, Metallized
Mounting: Through Hole Radial
Temperature range: -55°C to 125°C minimum
Compliance: ROHS3 Compliant

Parameter Comparison

Parameter	DMM1W3P3K-F (Main)	DME2W3P3K-F (Upgrade)	DME1W3P3K-F (Similar)	B32523Q3335J000 (Cross-Mfg)
Manufacturer	Cornell Dubilier Electronics	Cornell Dubilier Electronics	Cornell Dubilier Electronics	EPCOS - TDK Electronics
Capacitance	3.3 µF	3.3 µF	3.3 µF	3.3 µF
Tolerance	±10%	±10%	±10%	±5%
Voltage Rating - DC	100V	250V	100V	250V
Voltage Rating - AC	65V	160V	65V	160V
Dielectric Material	Polyester, Metallized	Polyester, Metallized	Polyester, Metallized	Polyester, PET, Metallized
Operating Temperature	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial	Radial
Size / Dimension	26.00mm L x 11.50mm W	26.00mm L x 10.50mm W	18.50mm L x 9.00mm W	26.50mm L x 11.00mm W
Height - Seated (Max)	20.00mm	20.50mm	18.00mm	20.50mm
Lead Spacing	22.50mm	22.50mm	15.00mm	22.50mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active
Inventory	1010 Pcs	2456 Pcs	1063 Pcs	9266 Pcs

Engineering Selection Recommendations

DME2W3P3K-F (Upgrade Substitute)

This part is suitable for applications requiring higher voltage margin. The 250V DC rating provides 2.5× the voltage headroom of the original DMM1W3P3K-F while maintaining identical capacitance and tolerance. Physical dimensions remain compatible with standard 22.50mm lead spacing. Both parts are ROHS3 Compliant and Active status. Selection of this upgrade is appropriate when circuit design permits higher voltage components or when enhanced reliability margins are required.

DME1W3P3K-F (Similar Substitute)

This part matches the electrical specifications of the original (100V DC, 3.3 µF, ±10%) but features a compact footprint with 15.00mm lead spacing and reduced physical dimensions. This substitute is applicable only when PCB layout accommodates the smaller package. Both parts are ROHS3 Compliant and Active status. Lead spacing difference requires PCB design verification before implementation.

B32523Q3335J000 (Cross-Manufacturer Substitute)

This EPCOS - TDK Electronics part provides 250V DC rating with tighter ±5% tolerance specification. The B3252* series is rated for automotive applications and meets AEC-Q200 qualification. Physical dimensions and 22.50mm lead spacing align with the original DMM1W3P3K-F. Both parts are ROHS3 Compliant and Active status. This substitute is appropriate for applications requiring automotive-grade reliability or tighter capacitance tolerance.

All substitute parts maintain the required -55°C to 125°C operating temperature range and Through Hole Radial mounting configuration.

Frequently Asked Questions (FAQ)

Q: Can DME2W3P3K-F replace DMM1W3P3K-F in any application?

A: DME2W3P3K-F is electrically compatible as a direct substitute. The 250V DC rating exceeds the 100V requirement, and capacitance and tolerance remain identical. Physical dimensions are nearly equivalent with matching 22.50mm lead spacing. Verification of circuit voltage stress margins is recommended before substitution.

Q: What is the primary difference between DME1W3P3K-F and the original part?

A: DME1W3P3K-F differs in physical dimensions and lead spacing. The part measures 18.50mm length with 15.00mm lead spacing compared to 26.00mm length and 22.50mm spacing on the original. Electrical specifications (3.3 µF, 100V DC, ±10%) are identical. PCB layout compatibility must be verified before use.

Q: Is B32523Q3335J000 suitable for automotive applications?

A: B32523Q3335J000 carries AEC-Q200 automotive qualification and is rated for automotive applications. The part meets automotive-grade reliability standards. If the original application is non-automotive, this substitute provides enhanced reliability margin.

Q: What tolerance difference exists between DMM1W3P3K-F and B32523Q3335J000?

A: DMM1W3P3K-F specifies ±10% tolerance while B32523Q3335J000 specifies ±5% tolerance. The tighter tolerance of B32523Q3335J000 provides improved capacitance accuracy. Both tolerances are acceptable for general-purpose applications; selection depends on circuit requirements for capacitance precision.

Q: Are all substitute parts ROHS3 Compliant?

A: All listed substitute parts (DME2W3P3K-F, DME1W3P3K-F, B32523Q3335J000) are ROHS3 Compliant. Regulatory compliance is maintained across all substitutes.

Q: What is the lead spacing requirement for PCB compatibility?

A: The original DMM1W3P3K-F requires 22.50mm lead spacing. DME2W3P3K-F and B32523Q3335J000 maintain this spacing. DME1W3P3K-F uses 15.00mm spacing and requires PCB redesign for compatibility. Lead spacing verification is mandatory before component substitution.

Q: Can these parts be used interchangeably in existing inventory?

A: Interchangeability depends on specific application requirements. Electrical parameters (capacitance, voltage rating, tolerance, temperature range) must match circuit design specifications. Physical dimensions and lead spacing must accommodate PCB layout. Each substitution requires design verification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message