Equivalent & Substitute Parts Reference: NMJ0509SAC

Part Overview

The Murata Power Solutions NMJ0509SAC is an active DC-DC converter in the isolated module category, offering a single 9V output at 111mA, powered by a 4.5V–5.5V input. This part is ROHS3 compliant and supplied in tube packaging as a 7-SIP Module, 4 Leads. Engineering teams may need alternative models to address supply chain limitations, maintain compliance standards, or match specific electrical and mechanical criteria within design projects.

Key Parameters

Parameter	Main Part (NMJ0509SAC)
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	5.5V
Voltage - Output 1	9V
Current - Output (Max)	111mA
Power (Watts)	1 W
Voltage - Isolation	5.2 kV
Operating Temperature	-40°C ~ 60°C
Efficiency	72%
Mounting Type	Through Hole
Package / Case	7-SIP Module, 4 Leads
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute DC-DC converters are identified strictly by matching the following key parameters: type (Isolated Module), number of outputs (1), input voltage range (4.5V–5.5V), output voltage (9V), output current (111mA), power rating (1W), voltage isolation, mounting type, package (7-SIP Module, 4 Leads), RoHS3 compliance, and product status (Active). Only parts that conform to these specific attributes are included as validated alternatives.

Parameter Comparison

Parameter	NMJ0509SAC	R05P09S	RP-0509S
Type	Isolated Module	Isolated Module	Isolated Module
Number of Outputs	1	1	1
Voltage - Input (Min)	4.5V	4.5V	4.5V
Voltage - Input (Max)	5.5V	5.5V	5.5V
Voltage - Output 1	9V	9V	9V
Current - Output (Max)	111mA	111mA	111mA
Power (Watts)	1 W	1 W	1 W
Voltage - Isolation	5.2 kV	6.4 kV	5.2 kV
Operating Temperature	-40°C ~ 60°C	-40°C ~ 90°C	-40°C ~ 85°C
Efficiency	72%	75%	75%
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	7-SIP Module, 4 Leads	7-SIP Module, 4 Leads	7-SIP Module, 4 Leads
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active

Engineering Selection Recommendations

All substitute parts (R05P09S and RP-0509S) are active products, with ROHS3 compliance and REACH unaffected status. Each listed substitute matches the original part's package, number of outputs, voltage and current ratings, input range, mounting style, and compliance certifications within the provided parameters.

Frequently Asked Questions (FAQ)

Q1: What are the critical substitution criteria for NMJ0509SAC?
Substitute parts must have strictly identical type, number of outputs, electrical ratings, mounting type, and package. All compliance certifications and product status must be matched.

Q2: Are all substitute DC-DC converters here physically interchangeable with NMJ0509SAC?
All substitutes feature the same mounting type (Through Hole) and package/case (7-SIP Module, 4 Leads).

Q3: Do substitute parts maintain regulatory compliance?
All listed substitutes are ROHS3 compliant and REACH unaffected as given.

Q4: Can output current and voltage always be matched across substitutes?
Each alternative listed delivers a single 9V output at 111mA, matching the main part's ratings precisely.

Q5: Is electrical isolation rating important in substitution?
Isolation voltage is provided for each part to allow direct electrical comparison based on the specified value.

Q6: Is the efficiency specification consistent across all substitutes?
Efficiency is defined for all listed models and can be directly compared using the table above.

Q7: How does operating temperature affect part selection?
Operating temperature ranges are explicitly listed for direct assessment according to environmental requirements.

Q8: Are inventory levels provided for substitute assessment?
All part numbers include available inventory data to support supply chain decisions as given.

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