Equivalent & Substitute Parts for PDM2-S24-S12-D

Part Overview

The CUI Inc. PDM2-S24-S12-D is an isolated module DC-DC converter delivering a single 12V output at up to 167mA from a 21.6V to 26.4V input. The device is rated for 2W output power, 1.5kV isolation voltage, operates over -40°C to 105°C (with derating), and is suitable for ITE (Commercial) applications. The product is listed as obsolete, requiring identification and selection of alternative models with matching key parameters to ensure proper functionality and compliance.

Key Parameters

Manufacturer Part Number	Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Applications	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	RoHS Status	Approval Agency	Standard Number	Product Status
PDM2-S24-S12-D	Isolated Module	1	21.6V	26.4V	12V	167mA	2W	1.5 kV	ITE (Commercial)	-40°C ~ 105°C (With Derating)	83%	Through Hole	14-DIP Module, 5 Leads	0.80" x 0.40" x 0.32" (20.3mm x 10.2mm x 8.2mm)	ROHS3 Compliant	CB Scheme, EN, IEC, UL	55024; 55032 Class A; 60950-1	Obsolete

Substitute Part Grouping Explanation

PDM2-S24-S12-D alternatives are selected strictly based on matching the following electrical and mechanical parameters: type (isolated module), number of outputs, input voltage range, output voltage and current, power rating, isolation voltage, application class, operating temperature, mounting style, package, and RoHS compliance. Substitute parts must match these parameters to ensure form, fit, and electrical equivalence.

Parameter Comparison

Manufacturer Part Number	Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Applications	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	RoHS Status	Approval Agency	Standard Number	Product Status
PDM2-S24-S12-D	Isolated Module	1	21.6V	26.4V	12V	167mA	2W	1.5 kV	ITE (Commercial)	-40°C ~ 105°C (With Derating)	83%	Through Hole	14-DIP Module, 5 Leads	0.80" x 0.40" x 0.32" (20.3mm x 10.2mm x 8.2mm)	ROHS3 Compliant	CB Scheme, EN, IEC, UL	55024; 55032 Class A; 60950-1	Obsolete
PDME2-S24-S12-D	Isolated Module	1	21.6V	26.4V	12V	167mA	2.004W	1.5 kV	ITE (Commercial)	-40°C ~ 105°C (With Derating)	84%	Through Hole	7-SIP Module, 4 Leads	0.77" x 0.28" x 0.40" (19.7mm x 7.1mm x 10.2mm)	-	cURus	62368-1	Active
PDME2-S24-S12-S	Isolated Module	1	21.6V	26.4V	12V	167mA	2.004W	1.5 kV	ITE (Commercial)	-40°C ~ 105°C (With Derating)	84%	Through Hole	6-SIP Module, 4 Leads	0.77" x 0.28" x 0.40" (19.7mm x 7.1mm x 10.2mm)	ROHS3 Compliant	CE, cURus	62368-1	Active

Engineering Selection Recommendations

For PDM2-S24-S12-D, which is obsolete, substitute selection is determined by product status, RoHS compliance, and approval certifications. PDME2-S24-S12-S provides ROHS3 compliance and CE/cURus certifications. PDME2-S24-S12-D offers cURus approval. Both alternatives reflect active production status and matching fundamental parameters within this DC-DC converter category.

Frequently Asked Questions (FAQ)

Q: What are the most critical parameters to verify when selecting substitutes for PDM2-S24-S12-D?
A: Key substitution parameters are: input voltage range, output voltage/current, number of outputs, power rating, isolation voltage, operating temperature, mounting type, package/case, application class, approval agency certifications, and RoHS status.

Q: Are the substitute part numbers PDME2-S24-S12-D and PDME2-S24-S12-S compatible in form, fit, and function?
A: Substitute parts match the core electrical specifications and operational conditions. Mechanical compatibility should be evaluated based on differences in package/case dimensions and pin configuration.

Q: Does the RoHS status differ between the main and substitute DC-DC converters?
A: PDM2-S24-S12-D and PDME2-S24-S12-S are ROHS3 compliant. RoHS status for PDME2-S24-S12-D is not specified.

Q: How do approval certifications impact substitute selection?
A: Substitute selection is directly influenced by the approval agencies and standard numbers listed. Select alternatives that match application and regulatory requirements.

Q: What are the primary package differences between PDM2-S24-S12-D and its substitutes?
A: The main part uses a 14-DIP module, 5 leads. PDME2-S24-S12-D uses a 7-SIP module, 4 leads. PDME2-S24-S12-S uses a 6-SIP module, 4 leads. Review mounting and footprint requirements when substituting.

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