ISJ0505A Equivalent & Substitute Parts Reference

Part Overview

The ISJ0505A is an obsolete, isolated module DC-DC converter from XP Power designed for ITE (Commercial) applications. It provides one 5V output at up to 200mA from a 4.5V to 5.5V input range, with 1W maximum power and 1.5kV isolation. Because the ISJ0505A is obsolete, finding equivalent or substitute DC-DC converters is essential to maintain product designs, ensure ongoing support, and guarantee availability in future production cycles.

Key Parameters

Parameter	Value
Type	Isolated Module
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	5.5V
Voltage - Output 1	5V
Current - Output (Max)	200mA
Power (Watts)	1 W
Voltage - Isolation	1.5 kV
Applications	ITE (Commercial)
Mounting Type	Surface Mount
Package / Case	14-SMD Module, 7 Leads
Operating Temperature	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts are selected strictly based on matching electrical and mechanical parameters crucial for direct replacement in DC-DC converter applications. These parameters are: Isolated module type, 1 output channel, input voltage range of 4.5V to 5.5V, 5V output at up to 200mA, 1W maximum output power, 1.5kV isolation, surface mount package, suitability for ITE (Commercial) applications, and an operating temperature range encompassing -40°C ~ 85°C. Substitute parts must also comply with ROHS3 environmental standards.

Parameter Comparison

Parameter	ISJ0505A	IES0105S05	DCV010505P-U
Manufacturer	XP Power	XP Power	Texas Instruments
Type	Isolated Module	Isolated Module	Isolated Module
Number of Outputs	1	1	1
Voltage - Input (Min)	4.5V	4.5V	4.5V
Voltage - Input (Max)	5.5V	5.5V	5.5V
Voltage - Output 1	5V	5V	5V
Current - Output (Max)	200mA	200mA	200mA
Power (Watts)	1 W	1 W	1 W
Voltage - Isolation	1.5 kV	1.5 kV	1.5 kV
Applications	ITE (Commercial)	ITE (Commercial)	ITE (Commercial)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-SMD Module, 7 Leads	8-SMD Module, 5 Leads	14-SMD Module, 7 Leads
Operating Temperature	-40°C ~ 85°C	-40°C ~ 105°C (With Derating)	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active

Engineering Selection Recommendations

ISJ0505A is obsolete. Substitute options IES0105S05 and DCV010505P-U are active and meet ROHS3 compliance requirements. For regulatory compliance, IES0105S05 offers approvals from CE, TUV, and UL per standard 62368-1. Both alternate parts maintain the same voltage input range, output voltage, output current, isolation rating, and mounting type as ISJ0505A.

Frequently Asked Questions (FAQ)

Q1: What are the most critical criteria for substituting ISJ0505A?
A1: Number of outputs, input voltage range, output voltage, output current, output power, isolation voltage, mounting type, operating temperature range, and RoHS compliance.

Q2: Are all substitute parts footprint-compatible with ISJ0505A?
A2: DCV010505P-U shares the 14-SMD Module, 7 Leads package with ISJ0505A. IES0105S05 uses an 8-SMD Module, 5 Leads package, so PCB layout modifications may be necessary for that option.

Q3: Are all substitute DC-DC converters rated for industrial temperature ranges?
A3: All substitutes operate at a minimum range of -40°C ~ 85°C. IES0105S05 supports up to 105°C with derating.

Q4: Do the substitutes maintain RoHS3 compliance?
A4: ISJ0505A, IES0105S05, and DCV010505P-U are stated as ROHS3 Compliant.

Q5: How do feature sets differ between substitutes?
A5: IES0105S05 does not list special features. DCV010505P-U specifies OTP and SCP protection functions. ISJ0505A lists SCP.

Q6: Are regulatory approvals provided?
A6: IES0105S05 provides CE, TUV, and UL marks, standard 62368-1. DCV010505P-U and ISJ0505A do not provide detailed approval data in the given parameters.

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