NDTS2405C Equivalent & Substitute Parts Reference

Part Overview

The Murata Power Solutions NDTS2405C is an active DC-DC converter module featuring a single 5V output at up to 600mA with an 18V to 36V input range, used primarily in ITE (Commercial) applications. The part provides 3W output power in a through-hole, 24-DIP package. Alternative or substitute models are necessary for supply chain flexibility, inventory management, or due to RoHS3 and REACH compliance preferences. Identifying direct substitutes ensures specification conformance in end-system designs.

Key Parameters

Parameter	NDTS2405C
Manufacturer Part Number	NDTS2405C
Manufacturer	Murata Power Solutions Inc.
Description	DC DC CONVERTER 5V 3W
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	18V
Voltage - Input (Max)	36V
Voltage - Output 1	5V
Current - Output (Max)	600mA
Power (Watts)	3 W
Voltage - Isolation	1 kV
Mounting Type	Through Hole
Package / Case	24-DIP Module (600 mil, 8 Leads)
Operating Temperature	-40°C ~ 85°C
Efficiency	78%
RoHS Status	ROHS3 Compliant
REACH Status	REACH Affected

Substitute Part Grouping Explanation

Substitution grouping is based strictly on matching fundamental electrical, mechanical, and compliance specifications within the DC-DC converter isolated module category. The distinct key parameters are:

Number of Outputs
Input Voltage Range (Min/Max)
Output Voltage and Output Current
Output Power
Isolation Voltage
Mounting Type
Package Form Factor
Operating Temperature Range
RoHS/REACH Status

Parts are grouped as substitutes only if these parameters match exactly or are higher-rated in a non-inferior configuration.

Parameter Comparison

Parameter	NDTS2405C (Murata Power Solutions)	RS3-2405S/H3 (Recom Power)
Type	Isolated Module	Isolated Module
Number of Outputs	1	1
Voltage - Input (Min)	18V	18V
Voltage - Input (Max)	36V	36V
Voltage - Output 1	5V	5V
Current - Output (Max)	600mA	600mA
Power (Watts)	3 W	3 W
Voltage - Isolation	1 kV	3 kV
Mounting Type	Through Hole	Through Hole
Package / Case	24-DIP Module (600 mil, 8 Leads)	8-SIP Module, 7 Leads
Operating Temperature	-40°C ~ 85°C	-40°C ~ 71°C
Efficiency	78%	81%
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Affected	REACH Unaffected

Engineering Selection Recommendations

Both NDTS2405C and RS3-2405S/H3 have active status, are ROHS3 compliant, and are classified as through-hole, single-output isolated DC-DC converters. Selection within inventory and compliance constraints is supported, based on matching electrical ratings and product certification data as supplied. The RS3-2405S/H3 offers an alternative REACH status and maintains product status alignment.

Frequently Asked Questions (FAQ)

Q1: What parameters are most important for ensuring compatibility in DC-DC converter substitution?
The input voltage range, output voltage and current, output power, isolation voltage, mounting type, package, and compliance (RoHS/REACH) must all match or exceed the original specification.

Q2: Are the package and mounting the same for NDTS2405C and RS3-2405S/H3?
Both are through-hole modules, though the NDTS2405C uses a 24-DIP (8 Lead) while the RS3-2405S/H3 uses an 8-SIP (7 Lead) module form factor.

Q3: Is there any difference in isolation voltage between the parts?
The NDTS2405C isolation voltage is 1 kV, and RS3-2405S/H3 isolation voltage is 3 kV.

Q4: Do both alternatives fulfill RoHS3 requirements?
Yes, both NDTS2405C and RS3-2405S/H3 are ROHS3 compliant.

Q5: Does the substitute part maintain operational temperature range equivalence?
NDTS2405C operates from -40°C to 85°C; RS3-2405S/H3 operates from -40°C to 71°C. Selection must consider this operational range.

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