Equivalent & Substitute Parts for B1203S-1WR2

Part Overview

The Mornsun America, LLC B1203S-1WR2 is an Isolated Module DC DC Converter categorized under Isolated Module DC DC converters. It features a single output of 3.3V at 303mA, 1W power rating, and 1.5kV isolation rating, optimized for ITE (Commercial) applications. Its package is a Through Hole 4-SIP Module, size 11.6mm x 6.0mm x 10.2mm. The B1203S-1WR2 series (B_S-1WR2) is currently listed as Obsolete, requiring identification of parametric equivalents or substitutes for ongoing engineering support and design continuity.

Substiute Parts

B1203S-1WR2

Mornsun America, LLCIn Stock: 1522B1203S-1WR2 Datasheet

Current PartRFQ

B1203S-1WR3

Mornsun America, LLCIn Stock: 2188B1203S-1WR3 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the B1203S-1WR2 are grouped strictly based on alignment of the following key parameters: Type, Number of Outputs, Input Voltage Range, Output Voltage, Maximum Output Current, Power Rating, Isolation Voltage, Mounting Type, Package/Case, Approval Agencies, Standard Number, and RoHS Status. Substitute listing is only provided where all critical electrical, mechanical, and regulatory parameters are explicitly matched per product category.

Parameter Comparison

Engineering Selection Recommendations

Substitute part B1203S-1WR3 is listed as Active and ROHS3 Compliant, with approvals from CB, CE, cURus, and UL. The standard number is 62368-1. The obsolete status of B1203S-1WR2 necessitates substitution. All provided regulatory and compliance features align with the requirements for ITE (Commercial) applications.

Frequently Asked Questions (FAQ)

Q1: Which key parameters are mandatory for selecting a substitute for B1203S-1WR2?
A1: Substitution requires matching the Type, Number of Outputs, Input Voltage Range, Output Voltage, Maximum Output Current, Power Rating, Isolation Voltage, Mounting Type, Package / Case, Size / Dimension, Approval Agency, Standard Number, and RoHS Status.

Q2: Is the package format identical between B1203S-1WR2 and its substitute B1203S-1WR3?
A2: Yes, both parts use the Through Hole 4-SIP Module package with identical size and dimensions.

Q3: Are regulatory compliance and approval agencies matched between the main part and substitute?
A3: Both B1203S-1WR2 and B1203S-1WR3 are approved by CB, CE, cURus, and UL, and are ROHS3 Compliant.

Q4: What differences exist in performance parameters between B1203S-1WR2 and B1203S-1WR3?
A4: The only provided difference is efficiency: 72% for B1203S-1WR2 and 75% for B1203S-1WR3.

Q5: Can B1203S-1WR3 be directly used in designs based on B1203S-1WR2 footprints?
A5: All relevant provided mechanical and electrical package specifications are matched for direct substitution within the provided input parameters.

Q6: Does the change in standard number from 60950-1 to 62368-1 affect substitute selection?
A6: Substitute selection within the provided data is based only on the given standards, both parts list recognized international standards for ITE (Commercial).