CDM2208-800FP SL PBFREE N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The CDM2208-800FP SL PBFREE is an N-Channel MOSFET manufactured by Central Semiconductor Corp, rated for 800V drain-to-source voltage with 8A continuous drain current in a Through Hole TO-220FP package. This device is classified as Obsolete, necessitating identification of equivalent substitute components for ongoing applications and new designs. Substitute parts must maintain functional compatibility within the electrical and mechanical constraints of the original specification.

Substiute Parts

CDM2208-800FP SL PBFREE

Central Semiconductor CorpIn Stock: 1215CDM2208-800FP SL PBFREE Datasheet

Current PartRFQ

IPA65R1K5CEXKSA1

Infineon TechnologiesIn Stock: 1309IPA65R1K5CEXKSA1 Datasheet

MFR RecommendedRFQ

STF5N65M6

STMicroelectronicsIn Stock: 964STF5N65M6 Datasheet

MFR RecommendedRFQ

STF5N80K5

STMicroelectronicsIn Stock: 7046STF5N80K5 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the CDM2208-800FP SL PBFREE is based on the following critical parameters:

Voltage Rating Compatibility: Substitute parts must support a minimum Vdss of 800V to maintain voltage margin in the original application circuit.

Current Handling: Substitute parts must support continuous drain current (Id) sufficient for the application. The original part specifies 8A; substitutes with lower ratings require circuit re-evaluation.

On-State Resistance (Rds On): Lower Rds On values reduce power dissipation and heat generation. Rds On specifications must be evaluated at comparable gate-source voltage (Vgs) and drain current conditions.

Package and Mounting: All substitutes must use Through Hole TO-220FP or equivalent package to ensure mechanical and thermal compatibility with existing PCB layouts and heatsinking arrangements.

Temperature Range: Operating temperature range must encompass the original specification (-55°C to 150°C) or be suitable for the intended application environment.

Compliance and Status: RoHS3 compliance and product status (Active vs. Obsolete/Not For New Designs) determine suitability for new designs versus legacy system maintenance.

Parameter Comparison

Engineering Selection Recommendations

For 800V Applications with High Current Requirements:

STF5N80K5 (STMicroelectronics) is the primary substitute for CDM2208-800FP SL PBFREE. This device maintains the 800V Vdss rating and operates across the full -55°C to 150°C temperature range. The STF5N80K5 is classified as Active with ROHS3 compliance, making it suitable for new designs. However, the continuous drain current is rated at 4A (Ta), which is 50% lower than the original 8A specification. Circuit designers must verify that the application can operate within this reduced current envelope or implement parallel device configurations.

For 650V Applications with Moderate Current Requirements:

IPA65R1K5CEXKSA1 (Infineon Technologies) and STF5N65M6 (STMicroelectronics) are suitable for applications where 650V voltage rating is acceptable. The IPA65R1K5CEXKSA1 offers 5.2A continuous drain current and is classified as Not For New Designs. The STF5N65M6 is Active and recommended for new designs but provides only 4A continuous drain current. Both devices are ROHS3 compliant.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited). STF5N80K5 and STF5N65M6 are classified as Active products with current manufacturing support. IPA65R1K5CEXKSA1 is classified as Not For New Designs, indicating limited future availability.

Frequently Asked Questions (FAQ)

Q: Can STF5N80K5 directly replace CDM2208-800FP SL PBFREE in existing designs?

A: STF5N80K5 maintains the 800V voltage rating and TO-220FP package compatibility. However, the continuous drain current rating is 4A versus the original 8A. Direct replacement is possible only if the application circuit operates within 4A maximum drain current. Thermal management and power dissipation must be re-evaluated, as the STF5N80K5 is rated for 20W maximum power dissipation compared to 57W for the original part.

Q: What is the difference between IPA65R1K5CEXKSA1 and STF5N80K5?

A: IPA65R1K5CEXKSA1 is rated for 650V Vdss with 5.2A continuous drain current and is classified as Not For New Designs. STF5N80K5 is rated for 800V Vdss with 4A continuous drain current and is classified as Active. Selection depends on whether the application requires 800V voltage margin or can operate at 650V. For new designs, STF5N80K5 is preferred due to Active status.

Q: Are all substitute parts compatible with the original TO-220FP package footprint?

A: Yes. All substitute parts listed use TO-220-3 Full Pack or PG-TO220-FP package designations, which are mechanically and thermally compatible with the original TO-220FP footprint. PCB layout modifications are not required for package compatibility.

Q: What is the minimum operating temperature for IPA65R1K5CEXKSA1?

A: IPA65R1K5CEXKSA1 operates from -40°C to 150°C, which is 15°C higher than the original CDM2208-800FP SL PBFREE minimum of -55°C. Applications requiring operation below -40°C must use STF5N80K5 or STF5N65M6, both of which support -55°C minimum temperature.

Q: Why is the power dissipation rating lower for substitute parts?

A: Substitute parts (20W to 30W) have lower power dissipation ratings than the original (57W) due to differences in die size, thermal design, and manufacturing technology. This reflects the lower continuous drain current ratings of the substitutes. Thermal management design must account for reduced power handling capability.

Q: Can multiple STF5N80K5 devices be paralleled to achieve 8A current handling?

A: Parallel operation of MOSFETs requires careful gate drive design, matched Rds On characteristics, and thermal management to ensure current sharing. This is an advanced design consideration outside the scope of direct substitution. Consult device datasheets and application notes for parallel operation guidelines.