Equivalent & Substitute Parts for IE0303SH

Part Overview

IE0303SH is an XP Power DC-DC converter, categorized as an isolated module with a single output. It delivers 3.3V at up to 300mA, with input between 2.97V and 3.63V, and features 1W output and 3kV isolation. This product is active and available in a 4-SIP through-hole package suitable for ITE (Commercial) applications. Identifying suitable alternative models ensures supply chain continuity and design flexibility, particularly for ongoing and future builds.

Key Parameters

Manufacturer Part Number	Manufacturer	Description	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Operating Temperature	Mounting Type	Package / Case	Size / Dimension	RoHS Status	Product Status
IE0303SH	XP Power	DC DC CONVERTER 3.3V 1W	2.97V	3.63V	3.3V	300mA	1 W	3 kV	-40°C ~ 85°C	Through Hole	4-SIP Module	0.46" L x 0.24" W x 0.50" H	ROHS3 Compliant	Active
CRE1S0305S3C	Murata Power Solutions Inc.	DC DC CONVERTER 5V 1W	2.97V	3.63V	5V	200mA	1 W	3 kV	-40°C ~ 85°C	Through Hole	4-SIP Module	0.45" L x 0.24" W x 0.30" H	ROHS3 Compliant	Active

Substitute Part Grouping Explanation

Substitute grouping utilizes strict adherence to core performance and compatibility parameters: input voltage range (2.97V to 3.63V), isolation voltage (3kV), mounting type (through-hole), package (4-SIP module), operating temperature range (-40°C to 85°C), and RoHS compliance. These characteristics are directly matched between IE0303SH and CRE1S0305S3C. Output voltage and output current are considered as critical for load requirements.

Parameter Comparison

Parameter	IE0303SH	CRE1S0305S3C
Manufacturer Part Number	IE0303SH	CRE1S0305S3C
Manufacturer	XP Power	Murata Power Solutions Inc.
Description	DC DC CONVERTER 3.3V 1W	DC DC CONVERTER 5V 1W
Voltage - Input (Min)	2.97V	2.97V
Voltage - Input (Max)	3.63V	3.63V
Voltage - Output 1	3.3V	5V
Current - Output (Max)	300mA	200mA
Power (Watts)	1 W	1 W
Voltage - Isolation	3 kV	3 kV
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole
Package / Case	4-SIP Module	4-SIP Module
Size / Dimension	0.46" L x 0.24" W x 0.50" H	0.45" L x 0.24" W x 0.30" H
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active

Engineering Selection Recommendations

Both IE0303SH and CRE1S0305S3C are classified as active products and meet ROHS3 compliance, supporting requirements for new and ongoing designs. Each fulfills the necessary certifications, and no additional selection criteria have been defined within the provided parameters.

Frequently Asked Questions (FAQ)

Q: What are the main electrical parameters to match when substituting IE0303SH?
A: The key parameters are input voltage range, isolation voltage, output power, output voltage and current, operating temperature range, and package format.

Q: Is CRE1S0305S3C compatible in terms of mounting and package?
A: Both converters use the 4-SIP through-hole module configuration.

Q: Can CRE1S0305S3C be used in applications where IE0303SH is required?
A: Both share common input range, power rating, isolation voltage, operating temperature, RoHS status, and mounting type. Output voltage and current need to be assessed for specific application compatibility.

Q: Do both parts provide the same safety certifications or regulatory compliance?
A: Both are listed as ROHS3 compliant and classified as active. No additional certifications are specified in the provided parameters.

Q: Does the substitute part fit mechanically in the same PCB footprint as IE0303SH?
A: Both parts utilize the 4-SIP through-hole module, with similar length and width. Height differs within the provided measurements.

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