Equivalent & Substitute Parts for SW003A5F91-SRBZ

Part Overview

SW003A5F91-SRBZ is an isolated module DC-DC converter manufactured by OmniOn Power, designed to deliver a single 3.3V output with up to 3.5A from an input voltage range of 36V to 75V. This device is rated for 12W output power, features 2.25kV isolation, and is equipped with protection functions such as Remote On/Off, OCP, OVP, and UVLO. It meets ITE (Commercial) application requirements, operates within -40°C to 85°C, achieves 85% efficiency, and is supplied in a surface-mountable module case measuring 1.10" x 0.96" x 0.34". With the product status marked as obsolete, finding alternative models with strict electrical, mechanical, and compliance equivalence is essential for production continuity and long-term support.

Substiute Parts

SW003A5F91-SRBZ

OmniOn PowerIn Stock: 795SW003A5F91-SRBZ Datasheet

Current PartRFQ

SW003A5F94-SRZ

OmniOn PowerIn Stock: 1422SW003A5F94-SRZ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are determined based exclusively on matched electrical and mechanical parameters: isolated module topology, 1 output channel, 36V–75V input range, 3.3V output at up to 3.5A, 12W power rating, 2.25kV isolation, all required ITE (Commercial) safety and protection features, and identical surface-mount module package. Mounting and environmental conditions (operating temperature, efficiency, and physical size) are strictly matched. Only parts with identical feature sets and compliance status are included.

The following key parameters are required for substitution:

• Type: Isolated Module
• Number of Outputs: 1
• Voltage - Input (Min): 36V
• Voltage - Input (Max): 75V
• Voltage - Output 1: 3.3V
• Current - Output (Max): 3.5A
• Power (Watts): 12 W
• Voltage - Isolation: 2.25 kV
• Applications: ITE (Commercial)
• Features: Remote On/Off, OCP, OVP, UVLO
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 85%
• Mounting Type: Surface Mount
• Package / Case: Module
• Size / Dimension: 1.10" L x 0.96" W x 0.34" H (27.9mm x 24.4mm x 8.5mm)
• Control Features
• Moisture Sensitivity Level (MSL)

Parameter Comparison

Engineering Selection Recommendations

Selection between SW003A5F91-SRBZ and SW003A5F94-SRZ should consider the product status and compliance. SW003A5F91-SRBZ is obsolete. SW003A5F94-SRZ is active and RoHS compliant. Both components are classified as EAR99 and meet the same physical and electrical specifications. Moisture Sensitivity Level differs: SW003A5F91-SRBZ is MSL 1 (Unlimited), while SW003A5F94-SRZ is MSL 2A (4 Weeks). RoHS status is specified only for SW003A5F94-SRZ.

Frequently Asked Questions (FAQ)

Q1: What qualifies SW003A5F94-SRZ as a substitute for SW003A5F91-SRBZ?
A1: Both isolated module DC-DC converters have identical electrical ratings, package type, dimensions, input and output specifications, protection features, and are designed for the same application category.

Q2: Are the pinouts and footprint guaranteed to match?
A2: Both parts are surface-mount modules with the same dimensions, supporting compatibility in PCB layout for the module package as provided.

Q3: What is the main compliance difference?
A3: SW003A5F94-SRZ is explicitly marked as RoHS compliant and has a moisture sensitivity level of 2A (4 Weeks), whereas SW003A5F91-SRBZ is MSL 1 (Unlimited).

Q4: Is there any functional or feature-related difference?
A4: The control feature logic differs: SW003A5F91-SRBZ uses Enable, Active Low; SW003A5F94-SRZ uses Enable, Active High. All other features are identical per provided specifications.

Q5: Should operating environment or application change when substituting?
A5: Both modules have the same operating temperature range (-40°C to 85°C) and are rated for ITE (Commercial) applications. Environmental requirements remain consistent.

Q6: Does the product lifecycle status affect the selection?
A6: SW003A5F94-SRZ is listed as Active, while SW003A5F91-SRBZ is Obsolete, supporting the selection of SW003A5F94-SRZ for ongoing production scenarios.