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Equivalent & Substitute Parts for B2405S-1WR2
Part Overview
The B2405S-1WR2 from Mornsun America, LLC is an isolated DC DC converter module providing a single 5V output at up to 200mA, sourced from a 21.6V to 26.4V input range. It is intended for ITE (Commercial) applications, features 1.5 kV isolation, and is supplied in a compact through-hole 4-SIP module case. This part is designated obsolete, necessitating identification and selection of parametric equivalent or substitute models to ensure ongoing support and system continuity.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Series | Type | Number of Outputs | Voltage - Input (Min) | Voltage - Input (Max) | Voltage - Output 1 | Current - Output (Max) | Power (Watts) | Voltage - Isolation | Applications | Efficiency | Operating Temperature | Mounting Type | Package / Case | Size / Dimension | Approval Agency | Standard Number | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B2405S-1WR2 | B_S-1WR2 (1W) | Isolated Module | 1 | 21.6V | 26.4V | 5V | 200mA | 1 W | 1.5 kV | ITE (Commercial) | 80% | -40°C ~ 105°C (With Derating) | Through Hole | 4-SIP Module | 0.46" L x 0.24" W x 0.40" H (11.6mm x 6.0mm x 10.2mm) | CB, CE, cURus, UL | 60950-1 | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute selection is based strictly on matching key electrical and mechanical parameters, ensuring form, fit, and function compatibility for isolated DC DC converters. The following parameters are used for grouping substitutes: input voltage range, output voltage and output current, output power, isolation voltage, mounting method, package, operating temperature, and relevant certifications. Compliance with RoHS and identical approval agencies further support suitability for direct replacement in ITE (Commercial) applications.
Parameter Comparison
| Parameter | B2405S-1WR2 (Main Part) | B2405S-1WR3 (Substitute) |
|---|---|---|
| Manufacturer | Mornsun America, LLC | Mornsun America, LLC |
| Series | B_S-1WR2 (1W) | B_S-1WR3 (1W) |
| Type | Isolated Module | Isolated Module |
| 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) | 200mA | 200mA |
| Power (Watts) | 1 W | 1 W |
| Voltage - Isolation | 1.5 kV | 1.5 kV |
| Applications | ITE (Commercial) | ITE (Commercial) |
| Efficiency | 80% | 79% |
| Operating Temperature | -40°C ~ 105°C (With Derating) | -40°C ~ 105°C (With Derating) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 4-SIP Module | 4-SIP Module |
| Size / Dimension | 0.46" L x 0.24" W x 0.40" H (11.6mm x 6.0mm x 10.2mm) | 0.46" L x 0.24" W x 0.40" H (11.6mm x 6.0mm x 10.2mm) |
| Approval Agency | CB, CE, cURus, UL | CB, CE, cURus, UL |
| Standard Number | 60950-1 | 62368-1 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The main part, B2405S-1WR2, is obsolete. The substitute, B2405S-1WR3, matches all key electrical, thermal, mechanical, and compliance parameters provided. Both meet the same isolation voltage, output voltage, current, input range, mounting, and package standards. Certifications from CB, CE, cURus, and UL, and ROHS3 compliance are provided for both. The substitute part uses Standard Number 62368-1; the main part uses 60950-1.
Frequently Asked Questions (FAQ)
Q1: What are the most critical parameters for selecting a substitute for B2405S-1WR2?
A1: Input voltage range, output voltage, output current, output power, isolation voltage, mounting method, package dimensions, operating temperature range, and compliance certifications.
Q2: Is the B2405S-1WR3 compatible with the same board layout as B2405S-1WR2?
A2: Both parts use the 4-SIP module package with identical dimensions and through-hole mounting type.
Q3: Are there differences in certification standards between B2405S-1WR2 and B2405S-1WR3?
A3: Both have CB, CE, cURus, and UL approvals. The main part uses standard 60950-1, while the substitute uses 62368-1.
Q4: Does the efficiency difference affect substitution?
A4: Both efficiency values are within a close range (79% vs. 80%), and are within the provided parametric data.
Q5: Are RoHS compliance and application category matched?
A5: Both are RoHS3 compliant and designed for ITE (Commercial) applications as stated in the provided parameters.
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