Equivalent & Substitute Parts for PM-20-5 (MEAN WELL USA Inc.)

Part Overview

PM-20-5 is an enclosed AC/DC converter manufactured by MEAN WELL USA Inc., designed for medical applications requiring a 5V output at up to 4.4A from an input range of 85 ~ 264 VAC or 120 ~ 370 VDC. The device offers a single output, universal input capability, and carries agency approvals including CB, CE, cURus, and TUV. The product is currently classified as obsolete, necessitating the identification of equivalent or substitute parts to ensure continued availability for systems employing this model.

Key Parameters

Manufacturer	Manufacturer Part Number	Series	Product Status	Type	Number of Outputs	Voltage - Input	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Applications	Features	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	Approval Agency	Line Regulation	Load Regulation	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	ECCN	HTSUS
MEAN WELL USA Inc.	PM-20-5	PM-20 (20W)	Obsolete	Enclosed	1	85 ~ 264 VAC, 120 ~ 370 VDC	5V	4.4A	22 W	Medical	Universal Input	-20°C ~ 60°C (With Derating)	75%	Through Hole	6-DIP Module	3.70" L x 2.20" W x 0.89" H (94.0mm x 56.0mm x 22.7mm)	CB, CE, cURus, TUV	±1%	±1.5%	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8504.40.9510

Substitute Part Grouping Explanation

Equivalent and substitute parts for PM-20-5 are identified strictly on the basis of matching the key electrical and mechanical parameters: input voltage range, output voltage and current, power rating, number of outputs, enclosure type, mounting, package dimensions, and certification status. Only parts adhering to the specified regulatory and RoHS compliance are considered as substitutes. Application support (such as medical or commercial) and product status (active) are included only if listed within the provided data.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Type	Number of Outputs	Voltage - Input	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Applications	Features	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	Approval Agency	Line Regulation	Load Regulation	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	ECCN	HTSUS
PM-20-5	MEAN WELL USA Inc.	Obsolete	Enclosed	1	85 ~ 264 VAC, 120 ~ 370 VDC	5V	4.4A	22 W	Medical	Universal Input	-20°C ~ 60°C (With Derating)	75%	Through Hole	6-DIP Module	3.70" L x 2.20" W x 0.89" H (94.0mm x 56.0mm x 22.7mm)	CB, CE, cURus, TUV	±1%	±1.5%	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8504.40.9510
MPM-20-5	MEAN WELL USA Inc.	Active	Enclosed	1	80 ~ 264 VAC	5V	4A	20 W	Household Appliances, Medical	Universal Input	-35°C ~ 85°C (With Derating)	85%	Through Hole	4-DIP Module	2.06" L x 1.07" W x 0.94" H (52.4mm x 27.2mm x 24.0mm)	CB, CE, cURus, EAC, TUV	±0.5%	±0.5%	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8504.40.6018
TUHS25F05	Cosel USA, Inc.	Active	Enclosed	1	85 ~ 264 VAC, 120 ~ 370 VDC	5V	5A	25 W	ITE (Commercial)	Universal Input	-40°C ~ 85°C (With Derating)	87%	Through Hole	6-DIP Module	1.42" L x 1.00" W x 0.65" H (36.1mm x 25.4mm x 16.5mm)	CE, cURus	20mV	40mV	ROHS3 Compliant	Not Applicable	Vendor Undefined	EAR99	8504.40.9510

Engineering Selection Recommendations

PM-20-5 is obsolete, requiring substitution with active and compliant models. Substitute parts MPM-20-5 and TUHS25F05 are both active, RoHS3 compliant, and possess multiple regulatory certifications. Both alternatives provide universal input, enclosed construction, through hole mounting, and suitable output parameters for comparable applications. Moisture Sensitivity Level and REACH conformity status are provided for each substitute to verify compatibility with original compliance requirements.

Frequently Asked Questions (FAQ)

Q1: Which key parameters should be considered when selecting a substitute for PM-20-5?
A1: Input voltage range, output voltage/current, power rating, number of outputs, enclosure type, mounting, regulatory certifications, and compliance statuses are the determining parameters.

Q2: Are the substitute units dimensionally identical to PM-20-5?
A2: Substitute parts may differ in package/case type and physical dimensions. Users must verify size and pin configuration based on the provided measurements.

Q3: How do substitute certifications compare to PM-20-5?
A3: Substitute models MPM-20-5 and TUHS25F05 hold various regulatory approvals, including CE and cURus. Exact agency certifications should be cross-referenced with application requirements.

Q4: What affect does product status have on selection?
A4: Only active parts are suitable for replacement in ongoing designs where obsolete products are no longer available.

Q5: How should moisture sensitivity and REACH status be considered?
A5: Substitute part MPM-20-5 matches the unlimited moisture sensitivity and REACH unaffected status of the original. TUHS25F05 has vendor undefined REACH status and is not applicable for MSL.

Q6: Are all substitute units suitable for medical applications?
A6: MPM-20-5 explicitly lists medical and household appliances as supported application areas. TUHS25F05 is specified for ITE (Commercial) use. Application statements are derived directly from provided data.

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