Equivalent & Substitute Parts for ISH2405A-H

Part Overview

The ISH2405A-H by XP Power is an isolated DC-DC converter module providing a single 5V output at up to 400mA with a 2W power rating. It operates over a 21.6V to 26.4V input voltage range and offers 3kV isolation. This part is now obsolete, making it necessary to identify direct substitutes that meet the original specifications, ensuring continuity in both performance and compliance within existing designs.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Description	Number of Outputs	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Applications	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	RoHS Status
ISH2405A-H	XP Power	-	DC DC CONVERTER 5V 2W	1	21.6V	26.4V	5V	400mA	2 W	3 kV	ITE (Commercial)	-40°C ~ 105°C	79%	Surface Mount	8-SMD Module, 5 Leads	0.50" x 0.33" x 0.29" (12.7mm x 8.3mm x 7.3mm)	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute devices for the ISH2405A-H are selected based strictly on:

Input voltage range (21.6V – 26.4V)
Output voltage (5V)
Maximum output current (400mA)
Power rating (2W)
Isolation voltage (3kV)
Number of outputs (1)
Mounting style (Surface Mount, 8-SMD Module, 5 Leads)
Operating temperature range (-40°C to 105°C)
RoHS status

Only parts matching all these critical electrical, mechanical, and compliance parameters are included as substitutes.

Parameter Comparison

Parameter	ISH2405A-H	F2405XT-2WR3
Manufacturer	XP Power	Mornsun America, LLC
Description	DC DC CONVERTER 5V 2W	DC DC CONVERTER 5V 2W
Number of Outputs	1	1
Voltage - Input (Min)	21.6V	21.6V
Voltage - Input (Max)	26.4V	26.4V
Voltage - Output 1	5V	5V
Current - Output (Max)	400mA	400mA
Power (Watts)	2 W	2 W
Voltage - Isolation	3 kV	3 kV
Applications	ITE (Commercial)	ITE (Commercial)
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C (With Derating)
Efficiency	79%	83%
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 0.29"	0.52" x 0.33" x 0.29"
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The ISH2405A-H is classified as obsolete, while the substitute F2405XT-2WR3 is active. Both parts have ROHS3 compliance, with F2405XT-2WR3 additionally listing certifications including CB, CE, cURus, and UL. Selection can be based directly on product status and regulatory compliance, as both meet specified certifications.

Frequently Asked Questions (FAQ)

Q: What are the main criteria for selecting an equivalent replacement for ISH2405A-H?
A: Equivalent selection is strictly based on input voltage range, output voltage and current, power rating, isolation voltage, number of outputs, mounting type, package size, operating temperature, and RoHS compliance.

Q: Is F2405XT-2WR3 functionally and mechanically compatible with ISH2405A-H?
A: Based on the specified parameters—electrical, mechanical, and outline package—F2405XT-2WR3 is compatible for direct substitution.

Q: Are there differences in environmental and safety certifications between ISH2405A-H and F2405XT-2WR3?
A: ISH2405A-H is listed as ROHS3 compliant. F2405XT-2WR3 is also ROHS3 compliant and includes additional agency certifications (CB, CE, cURus, UL) as provided.

Q: Does the mounting method or footprint change with the substitute part?
A: Both ISH2405A-H and F2405XT-2WR3 use the 8-SMD Module, 5 Leads surface mount package type with closely matched dimensions.

Q: What impact does the efficiency difference have in substitution?
A: Efficiency is specified for both parts. This parameter is included for completeness in substitution but no additional implications are specified beyond the values provided.

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