EML30US12-E AC/DC Converter 12V 30W Equivalent & Substitute Parts

Part Overview

The EML30US12-E is an enclosed AC/DC converter manufactured by XP Power, designed for medical applications requiring single-output 12V power delivery at 30W capacity. This unit features universal input voltage range (85–264 VAC) and is rated for 2.5A maximum output current. The product maintains active status with full compliance to medical device standards (IEC 60601-1) and carries CB, TUV, and UL approvals.

Substitute parts become necessary when the primary part experiences extended lead times, inventory constraints, or when system design flexibility permits alternative qualified sources while maintaining electrical and mechanical compatibility.

Substiute Parts

EML30US12-E

XP PowerIn Stock: 1074EML30US12-E Datasheet

Current PartRFQ

IRM-30-12

MEAN WELL USA Inc.In Stock: 1000502IRM-30-12 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EML30US12-E is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Requirements:

• Output voltage: 12V (exact match)
• Output current capacity: 2.5A (exact match)
• Power rating: 30W (exact match)
• Input voltage range: 85–264 VAC (exact match)
• Single output configuration (exact match)

Mechanical Equivalence Requirements:

• Package type: 4-DIP Module (exact match)
• Mounting method: Through Hole (exact match)
• Physical dimensions: Compatible with PCB footprint constraints

Regulatory and Compliance Requirements:

• RoHS3 compliance (mandatory for equivalent substitution)
• Active product status (current manufacturing and support)

The IRM-30-12 manufactured by MEAN WELL USA Inc. satisfies all electrical and mechanical equivalence criteria and maintains active product status with full RoHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

Primary Part: EML30US12-E

The EML30US12-E remains the specified component when medical device certification to IEC 60601-1 is the primary requirement. This unit carries UL approval specifically for medical applications and maintains the exact performance specifications required by the original design.

Substitute Part: IRM-30-12

The IRM-30-12 qualifies as an electrical and mechanical equivalent for applications where:

1. Medical device certification is not required, or alternative compliance pathways are acceptable
2. The application operates within the extended temperature range (-30°C to 70°C)
3. Improved efficiency (88% vs. 80%) and tighter load regulation (±0.5% vs. ±1%) provide system benefits
4. Compact form factor (69.5mm × 39.0mm × 24.0mm vs. 78.7mm × 38.1mm × 27.9mm) accommodates space constraints
5. Both units maintain active product status with full RoHS3 compliance and universal input capability

Certification Considerations:

The EML30US12-E carries CB, TUV, and UL approvals with specific reference to IEC 60601-1 medical standards. The IRM-30-12 carries CB, CE, cURus, and TUV approvals. Selection between these units depends on the regulatory framework and application classification of the end system.

Frequently Asked Questions (FAQ)

Q: Can the IRM-30-12 be used as a direct replacement for the EML30US12-E in medical device applications?

A: Electrical and mechanical compatibility is confirmed. However, medical device applications must verify that the IRM-30-12 certifications (CB, CE, cURus, TUV) satisfy the specific regulatory requirements of the target market. The EML30US12-E carries explicit IEC 60601-1 medical device certification; the IRM-30-12 does not list this standard. Regulatory assessment is required before substitution in medical applications.

Q: Are the physical dimensions compatible with existing PCB layouts?

A: Both units use 4-DIP Module packaging with Through Hole mounting. The IRM-30-12 is more compact (69.5mm × 39.0mm × 24.0mm) compared to the EML30US12-E (78.7mm × 38.1mm × 27.9mm). PCB layouts designed for the EML30US12-E will accommodate the IRM-30-12 without footprint conflicts. However, verify clearance around the smaller unit to ensure no design constraints are violated.

Q: Do both units support the same input voltage range?

A: Yes. Both the EML30US12-E and IRM-30-12 accept universal input voltage from 85–264 VAC, enabling operation across global power standards without modification.

Q: What is the difference in output regulation between these two units?

A: The EML30US12-E specifies ±1% load regulation, while the IRM-30-12 specifies ±0.5% load regulation. The IRM-30-12 provides tighter output voltage stability under varying load conditions. Both units maintain ±0.5% line regulation. Selection depends on whether the application requires the improved load regulation performance of the IRM-30-12.

Q: Are both units RoHS3 compliant?

A: Yes. Both the EML30US12-E and IRM-30-12 are ROHS3 compliant, meeting current environmental and hazardous substance restrictions for electronic components.

Q: What is the operating temperature difference between these units?

A: The EML30US12-E operates from -20°C to 70°C with derating, while the IRM-30-12 operates from -30°C to 70°C with derating. The IRM-30-12 extends the low-temperature operating range by 10°C, suitable for applications requiring enhanced cold-environment performance.

Q: Which unit has better efficiency?

A: The IRM-30-12 achieves 88% efficiency compared to the EML30US12-E at 80%. The 8% efficiency improvement reduces thermal dissipation and power loss, benefiting applications with thermal or energy consumption constraints.