Equivalent & Substitute Parts Reference for Würth Elektronik 177920534

Part Overview

Würth Elektronik 177920534 is an isolated module DC-DC converter designed for ITE (Commercial) applications. It provides a single regulated 5V output at up to 200mA from a 21.6V–26.4V input range and delivers 1W power with a high isolation voltage of 4 kV. The device features through-hole mounting and a compact 7-SIP module package. The part is classified as Obsolete, necessitating the identification of alternative models for ongoing designs, maintenance, and sourcing requirements.

Substiute Parts

177920534

Würth ElektronikIn Stock: 1155177920534 Datasheet

Current PartRFQ

RKE-2405S/H

Recom PowerIn Stock: 3251RKE-2405S/H Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute selection is based strictly on the matching of electrical and mechanical parameters, including input voltage range, output voltage, output current, isolation voltage, operating temperature, package type, and regulatory compliance. Only models satisfying all these criteria are grouped as direct substitutes. The following key parameters are used in the substitution logic:

• Isolated module type
• Input voltage range (21.6V–26.4V)
• Output voltage (5V)
• Output current (200mA)
• Output power (1W)
• Isolation voltage (4 kV)
• Operating temperature range (-40°C ~ 85°C)
• Efficiency (81%)
• Through-hole mounting
• 7-SIP module package
• RoHS compliance

Parameter Comparison

Engineering Selection Recommendations

177920534 is classified as Obsolete, while RKE-2405S/H is Active. Both parts are ROHS3 compliant and have Moisture Sensitivity Level (MSL) 1 (Unlimited). If REACH status requires consideration, note that 177920534 is REACH Affected and RKE-2405S/H is REACH Unaffected. From a sourcing and compliance standpoint, RKE-2405S/H satisfies all provided criteria for a substitute.

Frequently Asked Questions (FAQ)

Q1: Which parameters are critical when substituting the DC-DC converter Würth Elektronik 177920534?
A1: Essential substitution criteria include input voltage range, output voltage and current, power rating, isolation voltage, operating temperature, package size, mounting type, and regulatory compliance (RoHS, MSL).

Q2: Is the RKE-2405S/H a direct mechanical substitute for 177920534?
A2: Both parts use a 7-SIP module package with through-hole mounting and closely matched dimensions, meeting package compatibility requirements.

Q3: Are there any differences in environmental compliance between 177920534 and RKE-2405S/H?
A3: Both are ROHS3 compliant and rated MSL 1 (Unlimited). Their REACH status differs; verify specific application requirements on REACH compliance.

Q4: Is efficiency a substitution criterion for these isolated DC-DC converters?
A4: Both parts have an efficiency of 81% as per provided parameters, maintaining performance compatibility.

Q5: Can RKE-2405S/H be used for ITE (Commercial) applications like 177920534?
A5: Both parts are specified for ITE (Commercial) use in the provided parameters.