RP20-1205DF Equivalent & Substitute Parts

Part Overview

The RP20-1205DF is an isolated module DC-DC converter manufactured by Recom Power, designed to deliver dual output voltages of +5V and -5V with 2A output current per rail from a 9V to 18V input supply. This 20W converter is classified as obsolete, necessitating identification of functionally equivalent active alternatives for new designs and ongoing system support.

The primary reason for identifying substitute parts is the obsolete product status of the RP20-1205DF. Active equivalent models ensure continued availability, supply chain reliability, and access to current manufacturing quality standards and certifications.

Substiute Parts

RP20-1205DF

Recom PowerIn Stock: 896RP20-1205DF Datasheet

Current PartRFQ

JTM2024D05

XP PowerIn Stock: 12506JTM2024D05 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RP20-1205DF is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Power rating: 20W
• Output voltage configuration: +5V and -5V dual output
• Output current capability: 2A per rail minimum
• Isolation voltage: 1.6 kV
• Package type: 6-DIP Module
• Physical dimensions: 2.00" × 1.00" × 0.40"
• Mounting type: Through Hole
• Control interface: Enable, Active High
• Protection features: OCP, OVP, SCP, UVLO

Allowable Parameter Variations:

• Input voltage range may exceed the minimum 9V–18V specification (extended upper limit acceptable)
• Operating temperature range may exceed -40°C to 85°C (extended range acceptable)
• Efficiency values may differ
• Product status may transition from obsolete to active
• Packaging format may differ (e.g., Tube vs. standard packaging)

The JTM2024D05 from XP Power meets all mandatory matching parameters and qualifies as a direct substitute for the RP20-1205DF.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: JTM2024D05 (XP Power)

The JTM2024D05 is the qualified substitute for the RP20-1205DF based on the following engineering criteria:

1. Functional Equivalence: All critical electrical parameters match exactly, including power rating, output voltage configuration, output current capability, isolation voltage, and protection feature set.

2. Physical Compatibility: Identical 6-DIP module package dimensions and through-hole mounting configuration ensure direct PCB compatibility without layout modifications.

3. Product Status Advantage: The JTM2024D05 is classified as active, providing assured long-term availability and supply chain continuity compared to the obsolete RP20-1205DF.

4. Compliance Certification: Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring regulatory and environmental compatibility.

5. Enhanced Operating Range: The JTM2024D05 extends the maximum input voltage to 36V and maximum operating temperature to 105°C, providing greater design margin without compromising the original 9V–18V and -40°C to 85°C operating envelope.

6. Control Interface Compatibility: Identical enable control logic (Active High) ensures seamless integration with existing circuit designs.

Selection of the JTM2024D05 requires no circuit modifications, PCB redesign, or firmware changes when replacing the RP20-1205DF in existing applications.

Frequently Asked Questions (FAQ)

Q: Can the JTM2024D05 be used as a direct replacement for the RP20-1205DF without PCB modifications?

A: Yes. The JTM2024D05 is physically and electrically equivalent to the RP20-1205DF. Identical 6-DIP module dimensions, through-hole pin configuration, and control interface logic enable direct substitution without PCB layout changes.

Q: What is the significance of the extended input voltage range (36V max) on the JTM2024D05 compared to the RP20-1205DF (18V max)?

A: The extended input range on the JTM2024D05 provides greater design flexibility for applications with variable input supplies. However, when used in systems designed for the RP20-1205DF (9V–18V input), the JTM2024D05 operates within its specified range and maintains identical output performance.

Q: Are there any differences in the protection features between these two converters?

A: Both converters implement identical protection features: Over-Current Protection (OCP), Over-Voltage Protection (OVP), Short-Circuit Protection (SCP), and Under-Voltage Lock-Out (UVLO). No functional differences exist in protection behavior.

Q: Does the higher maximum operating temperature (105°C) of the JTM2024D05 affect its use in applications designed for the RP20-1205DF?

A: No. The extended temperature range of the JTM2024D05 is a performance enhancement. Applications designed for the RP20-1205DF operating range (-40°C to 85°C) operate within the JTM2024D05 specification and experience no adverse effects.

Q: What is the difference between the packaging formats (Tube vs. standard packaging)?

A: Packaging format refers to the shipping and handling container. The RP20-1205DF uses standard packaging, while the JTM2024D05 is supplied in Tube packaging. This difference affects procurement and inventory management but does not impact the component's electrical or mechanical performance in the application.

Q: Are both converters RoHS compliant?

A: Yes. Both the RP20-1205DF and JTM2024D05 are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.

Q: Can the enable control logic be used identically between the two converters?

A: Yes. Both converters use identical enable control logic (Active High), allowing existing control circuits to function without modification.