DMT2P22K-F Equivalent & Substitute Parts Reference

Part Overview

The DMT2P22K-F is a 0.22 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) in the DMT series. This through-hole radial capacitor operates at 250V DC with polyester metallized dielectric construction and ±10% tolerance. The part is Active status with 833 units in current inventory. Equivalent and substitute parts are identified for applications requiring identical or compatible electrical and mechanical specifications within the allowed parameter ranges for this product category.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	0.22 µF	Must match exactly
Voltage Rating - DC	250V	Must match or exceed
Tolerance	±10%	Must match or be tighter
Dielectric Material	Polyester, Metallized	Must be compatible polyester type
Mounting Type	Through Hole	Must match
Package / Case	Radial	Must match
Termination	PC Pins	Must match
Operating Temperature Range	-55°C ~ 125°C	Substitute must cover application range
RoHS Status	ROHS3 Compliant	Must maintain compliance

Substitute Part Grouping Explanation

Substitution logic for the DMT2P22K-F is based on the following criteria:

Mandatory Matching Parameters:

Capacitance: 0.22 µF (exact match required)
Voltage Rating - DC: 250V (exact match required)
Tolerance: ±10% (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial (exact match required)
Termination: PC Pins (exact match required)
Dielectric Material: Polyester, Metallized (compatible variants acceptable)

Allowable Variation Parameters:

Voltage Rating - AC: May vary (125V to 160V acceptable)
Operating Temperature Range: Minimum -55°C and maximum ≥105°C acceptable
Physical Dimensions: May vary within radial package constraints
Lead Spacing: May vary within through-hole compatibility
Manufacturer: Alternative qualified manufacturers acceptable
Series Designation: May differ

All three substitute parts meet these criteria and are qualified for direct substitution in applications using the DMT2P22K-F.

Parameter Comparison

Parameter	DMT2P22K-F (Main)	160224K250F-F	DMM2P22K-F	B32521C3224K000
Manufacturer	Cornell Dubilier Electronics (CDE)	Cornell Dubilier Electronics (CDE)	Cornell Dubilier Electronics (CDE)	EPCOS - TDK Electronics
Series	DMT	160	DMM	B3252* - MKT General Purpose
Capacitance	0.22 µF	0.22 µF	0.22 µF	0.22 µF
Tolerance	±10%	±10%	±10%	±10%
Voltage Rating - AC	125V	160V	160V	160V
Voltage Rating - DC	250V	250V	250V	250V
Dielectric Material	Polyester, Metallized	Polyester, Metallized	Polyester, Metallized	Polyester, Polyethylene Terephthalate (PET), Metallized - Stacked
Operating Temperature	-55°C ~ 125°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial	Radial
Termination	PC Pins	PC Pins	PC Pins	PC Pins
Size / Dimension	0.945" L x 0.413" W (24.00mm x 10.50mm)	0.709" L x 0.197" W (18.00mm x 5.00mm)	0.709" L x 0.276" W (18.00mm x 7.00mm)	0.512" L x 0.197" W (13.00mm x 5.00mm)
Height - Seated (Max)	0.724" (18.38mm)	0.433" (11.00mm)	0.472" (12.00mm)	0.433" (11.00mm)
Lead Spacing	0.795" (20.20mm)	0.591" (15.00mm)	0.591" (15.00mm)	0.394" (10.00mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active
Current Inventory	833 Pcs	3533 Pcs	1110 Pcs	4874 Pcs

Engineering Selection Recommendations

All three substitute parts are qualified equivalents for the DMT2P22K-F based on electrical parameter matching and compliance status:

160224K250F-F (Cornell Dubilier Electronics - 160 Series): Active status with highest inventory availability (3533 units). Meets all mandatory electrical parameters. Physical dimensions are smaller than the main part. Operating temperature range extends to 105°C minimum, which is acceptable for most applications. MSL rating of 1 (Unlimited) provides enhanced moisture protection.

DMM2P22K-F (Cornell Dubilier Electronics - DMM Series): Active status with 1110 units in inventory. Meets all mandatory electrical parameters. Operating temperature range matches the main part (-55°C ~ 125°C). Physical dimensions are intermediate between the main part and 160224K250F-F. MSL rating of 1 (Unlimited) provides enhanced moisture protection.

B32521C3224K000 (EPCOS - TDK Electronics - B3252 MKT Series):* Active status with highest inventory availability (4874 units). Meets all mandatory electrical parameters. Dielectric material is polyester PET metallized stacked construction, which is compatible with polyester metallized specifications. Smallest physical footprint among substitutes. Rated for automotive applications with AEC-Q200 certification. Operating temperature range matches the main part (-55°C ~ 125°C).

All parts maintain ROHS3 compliance and REACH Unaffected status. Selection among substitutes depends on physical space constraints, inventory requirements, and application-specific certifications.

Frequently Asked Questions (FAQ)

Q: Can the 160224K250F-F be used as a direct replacement for the DMT2P22K-F?

A: Yes. The 160224K250F-F meets all mandatory electrical parameters: 0.22 µF capacitance, 250V DC rating, ±10% tolerance, polyester metallized dielectric, through-hole radial package with PC pins. Physical dimensions are smaller, which may be advantageous in space-constrained designs. Operating temperature range of -55°C ~ 105°C is acceptable for applications not requiring the full 125°C upper limit.

Q: What is the difference between the DMM2P22K-F and the main DMT2P22K-F part?

A: Both parts are Cornell Dubilier Electronics polyester metallized film capacitors with identical electrical specifications (0.22 µF, 250V DC, ±10% tolerance). The primary differences are series designation (DMM vs. DMT) and physical dimensions. The DMM2P22K-F has a slightly different footprint (18.00mm x 7.00mm vs. 24.00mm x 10.50mm) and lead spacing (15.00mm vs. 20.20mm). Both support the full -55°C ~ 125°C operating temperature range.

Q: Is the B32521C3224K000 suitable for automotive applications?

A: The B32521C3224K000 carries AEC-Q200 automotive qualification and is rated for automotive applications. It meets all electrical parameters required for substitution. The stacked metallized PET dielectric construction is compatible with standard polyester metallized specifications. This part is appropriate for automotive-grade implementations requiring enhanced reliability certification.

Q: How do physical dimensions affect substitution?

A: Physical dimensions determine PCB layout compatibility and mounting clearance. The DMT2P22K-F has the largest footprint (24.00mm x 10.50mm with 20.20mm lead spacing). Substitutes have smaller dimensions: 160224K250F-F (18.00mm x 5.00mm, 15.00mm spacing), DMM2P22K-F (18.00mm x 7.00mm, 15.00mm spacing), and B32521C3224K000 (13.00mm x 5.00mm, 10.00mm spacing). Smaller substitutes fit in designs originally laid out for the main part but may not fit in designs with tighter spacing constraints. Verify PCB hole patterns and clearances before substitution.

Q: Do all substitute parts maintain the same compliance certifications?

A: Yes. All substitute parts are ROHS3 compliant and REACH Unaffected, matching the main part's compliance status. The B32521C3224K000 additionally carries AEC-Q200 automotive certification. MSL ratings differ: the main part is Not Applicable, while CDE substitutes (160224K250F-F and DMM2P22K-F) have MSL 1 (Unlimited), providing enhanced moisture sensitivity protection.

Q: Can operating temperature range differences affect substitution?

A: The main DMT2P22K-F operates from -55°C ~ 125°C. The 160224K250F-F operates from -55°C ~ 105°C. If the application requires operation above 105°C, the 160224K250F-F is not suitable. The DMM2P22K-F and B32521C3224K000 both support the full -55°C ~ 125°C range and are appropriate for high-temperature applications.

Q: What inventory considerations apply to substitution?

A: Current inventory levels are: DMT2P22K-F (833 units), 160224K250F-F (3533 units), DMM2P22K-F (1110 units), and B32521C3224K000 (4874 units). Higher inventory availability in substitute parts may provide supply chain advantages. All parts are Active status with ongoing availability.

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