Equivalent & Substitute Parts Reference: HPR403C

Part Overview

The HPR403C from Murata Power Solutions Inc. is an obsolete isolated DC DC Converter module. This device provides two outputs of +5V and -5V at up to 75mA each, with a power rating of 750mW. The converter operates from a 4.5V to 5.5V input and features a 3kV isolation voltage. Because this part is no longer in production, it is necessary to identify suitable alternative isolated DC DC Converter modules that match its electrical, mechanical, and regulatory parameters to ensure continued compatibility in existing applications.

Key Parameters

Parameter	HPR403C
Manufacturer	Murata Power Solutions Inc.
Type	Isolated Module
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	5.5V
Voltage - Output 1	5V
Voltage - Output 2	-5V
Current - Output (Max)	75mA, 75mA
Power (Watts)	750 mW
Voltage - Isolation	3 kV
Number of Outputs	2
Operating Temperature	-40°C ~ 100°C
Mounting Type	Through Hole
Package / Case	7-SIP Module, 5 Leads
Size / Dimension	0.77" L x 0.24" W x 0.40" H
Compliance	ROHS3, REACH Unaffected
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts are grouped strictly based on matching or exceeding the electrical and mechanical parameters of the HPR403C. Substitution is validated according to the following key parameters:

Input voltage range
Output voltages and output currents
Output power rating
Isolation voltage
Number of outputs
Mounting type and package/case
Compliance certifications (RoHS3, REACH)
Product category: Isolated Module DC DC Converter

Parameter Comparison

Parameter	HPR403C	NMV0505SC
Manufacturer	Murata Power Solutions Inc.	Murata Power Solutions Inc.
Type	Isolated Module	Isolated Module
Voltage - Input (Min)	4.5V	4.5V
Voltage - Input (Max)	5.5V	5.5V
Voltage - Output 1	5V	5V
Voltage - Output 2	-5V	-5V
Current - Output (Max)	75mA, 75mA	100mA, 100mA
Power (Watts)	750 mW	1 W
Voltage - Isolation	3 kV	3 kV
Number of Outputs	2	2
Operating Temperature	-40°C ~ 100°C	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole
Package / Case	7-SIP Module, 5 Leads	7-SIP Module, 5 Leads
Size / Dimension	0.77" L x 0.24" W x 0.40" H	0.77" L x 0.24" W x 0.39" H
Compliance	ROHS3, REACH Unaffected	ROHS3, REACH Unaffected
Product Status	Obsolete	Active

Engineering Selection Recommendations

Selection of substitute parts should be based on the product status and compliance with applicable regulations. The HPR403C is obsolete, while the NMV0505SC remains active and is RoHS3 compliant and REACH unaffected according to the provided data.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters for substituting the HPR403C DC DC Converter?
A: Critical parameters include input voltage range, output voltages and currents, output power, isolation voltage, number of outputs, mounting type, case dimensions, and regulatory compliance (RoHS3, REACH).

Q: Are there package compatibility concerns between the HPR403C and NMV0505SC?
A: Both parts utilize a 7-SIP Module package with 5 leads and have nearly identical dimensions, supporting direct mechanical interchangeability.

Q: Does the substitute NMV0505SC meet all regulatory and compliance requirements of the HPR403C?
A: According to the provided data, both parts are ROHS3 compliant and REACH unaffected.

Q: Are there any operation environment differences between HPR403C and NMV0505SC?
A: The HPR403C is rated for operation from -40°C to 100°C, while the NMV0505SC is rated from -40°C to 85°C.

Q: Why is it necessary to find a substitute for the HPR403C?
A: The HPR403C is obsolete, which requires sourcing an active alternative to ensure supply continuity in existing designs.

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