Equivalent & Substitute Parts for ISE0305A-TR

Part Overview

ISE0305A-TR is an isolated DC-DC converter module with a single 5V output rated at 1W and maximum output current of 200mA. The part is obsolete, making it necessary to identify equivalent substitute models for applications requiring this specification set, particularly where ongoing sourcing and support are needed.

Key Parameters

Manufacturer Part Number	Manufacturer	Type	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	RoHS Status
ISE0305A-TR	XP Power	Isolated Module	1	2.97V	3.63V	5V	200mA	1 W	1.5 kV	-40°C ~ 105°C	74%	Surface Mount	8-SMD Module, 5 Leads	0.50" x 0.33" x 0.28" (12.7mm x 8.3mm x 7.0mm)	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution options are limited strictly to DC-DC converter modules matching the following parameters: input voltage range (2.97V - 3.63V), single 5V output, maximum output current (200mA), output power (1W), isolation voltage (1.5kV), surface mount 8-SMD package format, RoHS3 compliance, and compatible operating temperature range. Only alternatives conforming to every listed parameter are included.

Parameter Comparison

Parameter	ISE0305A-TR	IES0103S05
Manufacturer Part Number	ISE0305A-TR	IES0103S05
Manufacturer	XP Power	XP Power
Type	Isolated Module	Isolated Module
Number of Outputs	1	1
Voltage - Input (Min)	2.97V	2.97V
Voltage - Input (Max)	3.63V	3.63V
Voltage - Output 1	5V	5V
Current - Output (Max)	200mA	200mA
Power (Watts)	1 W	1 W
Voltage - Isolation	1.5 kV	1.5 kV
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C (With Derating)
Efficiency	74%	82%
Mounting Type	Surface Mount	Surface Mount
Package / Case	8-SMD Module, 5 Leads	8-SMD Module, 5 Leads
Size / Dimension	0.50" x 0.33" x 0.28" (12.7mm x 8.3mm x 7.0mm)	0.52" x 0.33" x 0.29" (13.2mm x 8.5mm x 7.3mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

ISE0305A-TR is listed as obsolete. IES0103S05 is an active product that matches all electrical and mechanical criteria specified for this function category and maintains ROHS3 compliance. IES0103S05 also includes multiple safety certifications (CE, UKCA, UL) not specified for the main part. Both parts support surface-mount assembly and are packaged identically in 8-SMD modules with 5 leads. The operating temperature, input/output specifications, isolation, and mechanical format are equivalent or within specified tolerances.

Frequently Asked Questions (FAQ)

Q: What parameters must match for a DC-DC converter module substitution?
A: Electrical parameters (input voltage range, output voltage, output current, power, isolation), operating temperature, package style, mounting method, and compliance status must match.

Q: Is IES0103S05 a direct substitute for ISE0305A-TR?
A: All listed key parameters are equivalent. Both modules are surface-mount 8-SMD types with matching ratings and RoHS compliance.

Q: Are package dimensions identical between parts?
A: Dimensions are similar with minor variation: ISE0305A-TR is 12.7mm x 8.3mm x 7.0mm, IES0103S05 is 13.2mm x 8.5mm x 7.3mm.

Q: What is the difference in efficiency?
A: ISE0305A-TR lists 74% efficiency. IES0103S05 lists 82% efficiency.

Q: Can certification differences affect selection?
A: IES0103S05 lists CE, UKCA, UL approvals, while ISE0305A-TR does not specify approvals. Compliance standards and certification status should align with application requirements.

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