Equivalent & Substitute Parts for MDS02L-05

Part Overview

The MDS02L-05 from MEAN WELL USA Inc. is an isolated module DC-DC converter with a single 5V output rated for 400mA, suitable for medical applications and housed in a 7-SIP through hole package. It is currently active and available. Sourcing alternative models may be required due to procurement policies, inventory needs, or design flexibility. Equivalent or substitute parts must match critical electrical, mechanical, and compliance parameters.

Key Parameters

Parameter	Specification
Manufacturer Part Number	MDS02L-05
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	5.5V
Voltage - Output 1	5V
Current - Output (Max)	400mA
Power (Watts)	2 W
Voltage - Isolation	6 kV
Applications	Medical
Features	SCP
Operating Temperature	-40°C ~ 85°C
Efficiency	77%
Mounting Type	Through Hole
Package / Case	7-SIP Module, 4 Leads
Size / Dimension	0.77" L x 0.39" W x 0.49" H (19.5mm x 9.8mm x 12.5mm)
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution for MDS02L-05 is determined strictly by matching electrical characteristics (input voltage, output voltage, output current, isolation voltage, power rating), mechanical compatibility (mounting type, package/case, dimensions), features (short circuit protection), application suitability (medical), and compliance attributes (RoHS, REACH, MSL). Substitute parts presented meet these fundamental criteria within the limits specified in the source data.

Parameter Comparison

Parameter	MDS02L-05 (MEAN WELL USA Inc.)	RB-0505S/H (Recom Power)
Type	Isolated Module	Isolated Module
Number of Outputs	1	1
Voltage - Input (Min)	4.5V	4.5V
Voltage - Input (Max)	5.5V	5.5V
Voltage - Output 1	5V	5V
Current - Output (Max)	400mA	200mA
Power (Watts)	2 W	1 W
Voltage - Isolation	6 kV	2 kV
Applications	Medical	ITE (Commercial), Medical
Features	SCP	SCP
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Efficiency	77%	78%
Mounting Type	Through Hole	Through Hole
Package / Case	7-SIP Module, 4 Leads	7-SIP Module, 5 Leads
Size / Dimension	0.77" L x 0.39" W x 0.49" H	0.77" L x 0.24" W x 0.40" H
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All compared DC-DC converter parts (MDS02L-05 and RB-0505S/H) are active, RoHS3 compliant, and REACH unaffected with MSL 1 (unlimited). Both are suitable for medical applications and through hole mounting. Product status and compliance match the required standards for direct substitution within allowed parameter ranges.

Frequently Asked Questions (FAQ)

Q: What key parameters determine if RB-0505S/H can substitute for MDS02L-05?
A: Substitution is based on matching input voltage range, output voltage, application suitability, mounting type, package, features, and compliance certifications.

Q: Are there differences in electrical ratings between these two DC-DC converters?
A: Yes, MDS02L-05 supports higher output current (400mA vs. 200mA) and higher isolation voltage (6 kV vs. 2 kV) compared to RB-0505S/H.

Q: Do both parts support medical applications and similar environmental conditions?
A: Both parts are intended for use in medical applications and operate in the -40°C to 85°C temperature range.

Q: Are there any notable mechanical differences between the packages?
A: Both use a 7-SIP module; however, the lead configuration and physical dimensions are not identical.

Q: Are all substitute options RoHS and REACH compliant?
A: Both MDS02L-05 and RB-0505S/H are ROHS3 compliant, have MSL 1, and are REACH unaffected.

Q: Is the maximum output power the same for both parts?
A: No, MDS02L-05 provides up to 2 W output, whereas RB-0505S/H provides up to 1 W.

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