WMF05P22K Equivalent & Substitute Parts

Part Overview

The WMF05P22K is a 0.22 µF film capacitor rated for 50V DC with polyester dielectric material, designed for through-hole axial mounting in general-purpose applications. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The WMF series from Cornell Dubilier Electronics represents a legacy product line; however, direct substitutes with identical electrical and mechanical specifications remain available.

Substiute Parts

WMF05P22K

Cornell Dubilier Electronics (CDE)In Stock: 984WMF05P22K Datasheet

Current PartRFQ

WMF05P22K-F

Cornell Dubilier Electronics (CDE)In Stock: 1235WMF05P22K-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the WMF05P22K is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 0.22 µF (exact match required)
• Tolerance: ±10% (defines acceptable capacitance range)
• Voltage Rating (DC): 50V (minimum voltage specification for circuit operation)
• Dielectric Material: Polyester (determines frequency response and temperature stability characteristics)
• Mounting Type: Through Hole (PCB assembly compatibility)
• Package / Case: Axial (physical form factor and lead configuration)
• Physical Dimensions: 0.358" Dia x 0.811" L (9.10mm x 20.60mm) (board layout and spacing constraints)
• Operating Temperature Range: -55°C ~ 125°C (environmental operating limits)
• Termination Type: PC Pins (solder connection method)

The WMF05P22K-F meets all these criteria and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The WMF05P22K-F is the direct substitute for the obsolete WMF05P22K. Selection of the WMF05P22K-F is based on the following engineering factors:

Product Status: The WMF05P22K-F maintains active product status with Cornell Dubilier Electronics, ensuring continued availability and supply chain reliability compared to the obsolete WMF05P22K.

Regulatory Compliance: The WMF05P22K-F achieves ROHS3 compliance, whereas the original WMF05P22K is RoHS non-compliant. For applications subject to RoHS directives or customer compliance requirements, the WMF05P22K-F provides superior regulatory alignment.

Electrical and Mechanical Equivalence: All critical electrical parameters (capacitance, tolerance, voltage rating, dielectric material, operating temperature range) and mechanical specifications (mounting type, package form, physical dimensions, termination type) are identical between the two parts.

Packaging Availability: The WMF05P22K-F is available in bulk packaging with higher inventory levels (1192 Pcs), supporting production requirements and reducing lead time risk.

Frequently Asked Questions (FAQ)

Q: Can the WMF05P22K-F be used as a direct replacement for the WMF05P22K in existing designs?

A: Yes. The WMF05P22K-F is electrically and mechanically equivalent to the WMF05P22K across all specified parameters, including capacitance (0.22 µF), tolerance (±10%), voltage rating (50V DC), dielectric material (polyester), physical dimensions (0.358" Dia x 0.811" L), and termination type (PC Pins). No circuit redesign is required.

Q: What is the difference between the WMF05P22K and WMF05P22K-F?

A: The primary differences are product status and regulatory compliance. The WMF05P22K is obsolete and RoHS non-compliant, while the WMF05P22K-F is an active product with ROHS3 compliance. All electrical and mechanical specifications remain identical.

Q: Are there any compatibility concerns with PCB assembly when substituting the WMF05P22K-F?

A: No compatibility concerns exist. Both parts share identical axial through-hole mounting specifications, physical dimensions (0.358" Dia x 0.811" L / 9.10mm x 20.60mm), and PC pin termination. PCB layouts, hole spacing, and assembly processes require no modification.

Q: Does the WMF05P22K-F meet RoHS requirements?

A: Yes. The WMF05P22K-F is ROHS3 compliant. The original WMF05P22K is RoHS non-compliant. For applications requiring RoHS compliance, the WMF05P22K-F is the appropriate selection.

Q: What is the operating temperature range for the WMF05P22K-F?

A: The operating temperature range is -55°C to 125°C, identical to the WMF05P22K. This range supports general-purpose applications across industrial and commercial temperature environments.

Q: Is the WMF05P22K-F available in stock?

A: Yes. The WMF05P22K-F is available with 1192 Pcs in new original stock, providing immediate procurement availability compared to the obsolete WMF05P22K.