Equivalent & Substitute Parts Reference for RB-053.3S/H

Part Overview

The RB-053.3S/H from Recom Power is an isolated DC-DC converter module offering a 3.3V output at 1W power with a maximum output current of 303mA, suitable for ITE (Commercial) and Medical applications. This model is active in the market, with a wide inventory available. Substitutes may be required for reasons such as supply continuity, lead time optimization, or multi-source procurement strategies. Alternate models must meet electrical and mechanical parameters equivalent to this unit.

Substiute Parts

RB-053.3S/H

Recom PowerIn Stock: 12406RB-053.3S/H Datasheet

Current PartRFQ

F0503S-1WR3

Mornsun America, LLCIn Stock: 1389F0503S-1WR3 Datasheet

SimilarRFQ

MDS01L-03

MEAN WELL USA Inc.In Stock: 851MDS01L-03 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for DC-DC converter modules such as the RB-053.3S/H is determined strictly by matching these provided key parameters:

• Isolated module configuration
• Number of outputs: 1
• Input voltage range: 4.5V to 5.5V
• Output voltage: 3.3V
• Maximum output current: 303mA
• Output power: 1W
• Voltage isolation rating
• Application suitability (ITE Commercial, Medical as specified)
• Features (such as SCP when specified)
• Operating temperature range
• Through hole mounting and comparable package/case dimensions
• RoHS and other compliance status Substitutes are matched directly to these criteria with no deviation or assumption.

Parameter Comparison

Engineering Selection Recommendations

RB-053.3S/H, F0503S-1WR3, and MDS01L-03 are all active status parts listed as RoHS/ROHS3 compliant and unaffected by REACH per provided data. All parts are specified as MSL 1 (Unlimited), supporting similar storage and handling requirements. Application suitability varies between ITE (Commercial) and Medical as provided, and only the RB-053.3S/H and MDS01L-03 lists SCP (Short Circuit Protection). No additional certifications or product status differences are noted in the data.

Frequently Asked Questions (FAQ)

Q1: What criteria must be met when selecting a substitute for RB-053.3S/H?
A1: Substitution must be based on matching the number of outputs, input/output voltage and current ratings, power rating, voltage isolation rating, package/case style, mounting type, application suitability, features, operating temperature range, and compliance status.

Q2: Are the substitute parts physically compatible in a PCB layout?
A2: Substitute parts use similar through-hole 7-SIP package formats and have comparable overall dimensions, although the number of leads and width may vary. Always reference the specified case dimension and lead configuration for direct compatibility.

Q3: Do substitute parts provide the same protections as RB-053.3S/H?
A3: SCP (Short Circuit Protection) is specified for RB-053.3S/H and MDS01L-03. There is no SCP feature listed for F0503S-1WR3 in the provided data.

Q4: How is compliance status addressed between these models?
A4: All listed parts are ROHS compliant and REACH unaffected according to the specifications provided. MSL is 1 (Unlimited) for each part.

Q5: Are there differences in voltage isolation or efficiency to consider?
A5: Isolation voltage ratings increase with F0503S-1WR3 (3 kV) and MDS01L-03 (6 kV) compared to the RB-053.3S/H (2 kV). Efficiency varies slightly as listed.

Q6: Which substitute part is suitable for medical applications?
A6: According to the provided data, RB-053.3S/H and MDS01L-03 specify medical suitability, while F0503S-1WR3 is listed for ITE (Commercial) applications.