CCM-4803SF Equivalent & Substitute Parts

Part Overview

The CCM-4803SF is an isolated module DC-DC converter manufactured by TDK-Lambda Americas Inc, designed to convert input voltages between 36V and 72V to a regulated 3.3V output at 600mA maximum current. This component delivers 1.98W of power with 500V isolation, suitable for ITE (Commercial) applications requiring galvanic isolation and overcurrent protection (OCP).

The CCM-4803SF is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support legacy system maintenance or redesign initiatives.

Substiute Parts

CCM-4803SF

TDK-Lambda Americas IncIn Stock: 2327CCM-4803SF Datasheet

Current PartRFQ

CC3-4803SF-E

TDK-Lambda Americas IncIn Stock: 1118CC3-4803SF-E Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CCM-4803SF is determined by the following critical parameters:

• Output Voltage: Must be 3.3V (exact match required)
• Isolation Voltage: Must be 500V (minimum requirement for safety-critical applications)
• Mounting Type: Through Hole configuration (PCB assembly compatibility)
• Input Voltage Range: Must encompass or exceed 36V – 72V specification
• Output Current Capacity: Must meet or exceed 600mA requirement
• Package Type: DIP module format (mechanical and electrical interface compatibility)

The CC3-4803SF-E qualifies as a manufacturer-recommended substitute because it maintains the 3.3V output voltage, 500V isolation, through-hole mounting, and DIP module package format. The substitute provides enhanced specifications including higher output current capacity (800mA versus 600mA), extended input voltage range (36V – 76V), increased power rating (3W versus 1.98W), and wider operating temperature range (-40°C to +85°C versus -20°C to +70°C).

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: CC3-4803SF-E

The CC3-4803SF-E is the manufacturer-recommended substitute for the obsolete CCM-4803SF. Selection of this substitute is justified on the following engineering grounds:

1. Product Status: The CC3-4803SF-E is an active product with current manufacturing support, ensuring long-term availability and supply chain stability compared to the obsolete CCM-4803SF.

2. Electrical Compatibility: The substitute maintains identical output voltage (3.3V) and isolation voltage (500V), which are critical for circuit functionality and safety. The enhanced output current capacity (800mA) and power rating (3W) provide design margin without requiring circuit modifications.

3. Regulatory Compliance: The CC3-4803SF-E is RoHS Compliant and REACH Unaffected, meeting current environmental and regulatory standards. The CCM-4803SF compliance status is not specified.

4. Thermal Performance: The extended operating temperature range (-40°C to +85°C) of the substitute accommodates a broader range of application environments compared to the main part (-20°C to +70°C).

5. Mechanical Interface: Both parts use through-hole mounting and DIP module packages. The substitute uses a 7-DIP configuration versus the main part's 6-DIP configuration. PCB footprint verification is required before implementation.

6. Packaging: The substitute is supplied in Tray packaging, suitable for automated assembly processes.

Frequently Asked Questions (FAQ)

Q1: Can the CC3-4803SF-E be used as a direct pin-for-pin replacement for the CCM-4803SF?

A: The CC3-4803SF-E uses a 7-DIP package while the CCM-4803SF uses a 6-DIP package. Pin-for-pin compatibility cannot be assumed. PCB footprint and pinout verification is required. Contact the manufacturer for detailed pinout documentation to confirm mechanical and electrical compatibility.

Q2: What are the key electrical differences between the CCM-4803SF and CC3-4803SF-E?

A: The substitute provides higher output current capacity (800mA versus 600mA), increased power rating (3W versus 1.98W), and an extended input voltage range (36V – 76V versus 36V – 72V). Output voltage and isolation voltage remain identical. These enhancements provide design margin and do not negatively impact circuit operation.

Q3: Why is the CC3-4803SF-E recommended over the CCM-4803SF?

A: The CCM-4803SF is obsolete with no current manufacturing support. The CC3-4803SF-E is an active product from the same manufacturer with identical core electrical specifications, enhanced performance characteristics, and current regulatory compliance (RoHS). This ensures supply chain continuity and long-term design support.

Q4: Are there any thermal or environmental considerations when substituting the CC3-4803SF-E?

A: The CC3-4803SF-E operates across a wider temperature range (-40°C to +85°C) compared to the CCM-4803SF (-20°C to +70°C). This provides greater flexibility for applications in extreme thermal environments. Both parts have MSL 1 (Unlimited) moisture sensitivity, indicating no special storage or handling requirements.

Q5: What documentation is required before implementing the CC3-4803SF-E as a substitute?

A: Obtain the detailed pinout diagram and mechanical drawing for the CC3-4803SF-E to confirm PCB footprint compatibility. Verify that the 7-DIP package can be accommodated on the existing PCB layout. Confirm input/output signal routing and any control features (the substitute includes Enable and Active Low control features).