ISH2412A-TR Equivalent & Substitute Parts Reference

Part Overview

The ISH2412A-TR from XP Power is an obsolete isolated DC-DC converter module delivering 12V at 167mA from a 21.6V–26.4V input, with 2W rated output, surface-mount 8-SMD package, and integrated short-circuit protection. Due to its obsolete status and critical role in commercial ITE applications, identifying direct alternatives with matching or superior electrical, mechanical, and regulatory performance is necessary for continued system compatibility and compliance.

Key Parameters

Parameter	ISH2412A-TR
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	21.6V
Voltage - Input (Max)	26.4V
Voltage - Output 1	12V
Current - Output (Max)	167mA
Power (Watts)	2 W
Voltage - Isolation	1.5 kV
Applications	ITE (Commercial)
Features	SCP
Operating Temperature	-40°C ~ 105°C
Efficiency	82%
Mounting Type	Surface Mount
Package / Case	8-SMD Module, 5 Leads
Size / Dimension	0.50" L x 0.44" W x 0.29" H
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is strictly determined by matching the following key parameters:

Type: Isolated Module
Number of Outputs: 1
Input Voltage Range: 21.6V–26.4V
Output Voltage: 12V
Output Current: 167mA
Output Power: 2 W
Isolation Voltage: 1.5 kV
Application: ITE (Commercial)
Features: At least SCP (Short-Circuit Protection) or Adjustable Output
Operating Temperature: -40°C ~ 105°C (with potential derating)
Mounting: Surface Mount, Package: 8-SMD Module, 5 Leads
Size/Footprint compatibility
RoHS and MSL status

Parameter Comparison

Parameter	ISH2412A-TR	PDS2-S24-S12-M-TR	PDSE2-S24-S12-M-TR
Manufacturer	XP Power	CUI Inc.	CUI Inc.
Status	Obsolete	Active	Active
Type	Isolated Module	Isolated Module	Isolated Module
Number of Outputs	1	1	1
Input Voltage (Min)	21.6V	21.6V	21.6V
Input Voltage (Max)	26.4V	26.4V	26.4V
Output Voltage 1	12V	12V	12V
Output Current (Max)	167mA	167mA	167mA
Power (Watts)	2 W	2 W	2.004 W
Voltage - Isolation	1.5 kV	1.5 kV	1.5 kV
Applications	ITE (Commercial)	ITE (Commercial)	ITE (Commercial)
Features	SCP	SCP	Adjustable Output
Operating Temperature Range	-40°C ~ 105°C	-40°C ~ 105°C (With Derating)	-40°C ~ 105°C (With Derating)
Efficiency	82%	82%	84%
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-SMD Module, 5 Leads	8-SMD Module, 5 Leads	8-SMD Module, 5 Leads
Size / Dimension	0.50" x 0.44" x 0.29"	0.50" x 0.33" x 0.29"	0.52" x 0.33" x 0.29"
RoHS Status	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Substitute selection is guided by product status, RoHS compliance, and MSL equivalency. Only parts with identical or better compliance and remaining active status are included. Substitute parts PDS2-S24-S12-M-TR and PDSE2-S24-S12-M-TR are RoHS compliant, share the same MSL rating, and are active products. Their application rating (ITE Commercial) and environmental compatibility correspond with the original ISH2412A-TR.

Frequently Asked Questions (FAQ)

Q1: Which key parameters must match when selecting a substitute for ISH2412A-TR?
A1: Essential matching parameters are input voltage range, output voltage and current, output power, isolation voltage, number of outputs, features (SCP or similar), package type, mounting method, and applicable compliance standards.

Q2: Are the substitute parts physically compatible in PCB layout?
A2: Substitute models share the 8-SMD Module, 5 Leads package and very similar dimensions, enabling compatibility within the same PCB footprint and height constraints. Minor differences in width and length are noted in the comparison table.

Q3: Are there differences in mechanical or environmental certifications?
A3: Substitute products include comparable RoHS and MSL status and are approved for ITE (Commercial) applications. Where additional standards (such as EN or CE) are present, these are included in parameter listings.

Q4: What features beyond core electrical performance could affect substitution?
A4: Provided features include SCP (Short-Circuit Protection) and Adjustable Output, aligning with or enhancing the original's protection features.

Q5: Can substitutes be used in all the applications of the original part?
A5: The substitutes are specified for ITE (Commercial) use, matching the application rating of the ISH2412A-TR. Ensure application requirements fall within listed operating temperature and electrical parameters.

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