SD2933 RF MOSFET 50V Equivalent & Substitute Parts

Part Overview

The SD2933 is an N-Channel RF MOSFET manufactured by STMicroelectronics, designed for RF applications operating at 30MHz with a rated output power of 300W. The device features a 50V test voltage rating, 40A current rating, and 23.5dB gain, housed in the M177 package.

The SD2933 is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this RF MOSFET technology.

Substiute Parts

SD2933

STMicroelectronicsIn Stock: 2190SD2933 Datasheet

Current PartRFQ

SD2933W

STMicroelectronicsIn Stock: 6800SD2933W Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SD2933 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications in the following key areas:

• Technology and Configuration: N-Channel MOSFET topology
• Frequency Performance: 30MHz operating frequency
• Voltage Specifications: 50V test voltage and 125V rated voltage
• Current and Power Ratings: 40A current rating and 300W output power
• Gain Specification: 23.5dB gain
• Package Compatibility: M177 package form factor
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The SD2933W qualifies as a direct substitute based on complete parameter alignment across all electrical and mechanical specifications. The primary distinction between the SD2933 and SD2933W is product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

The SD2933W is the direct equivalent substitute for the SD2933 RF MOSFET. Both parts share identical electrical specifications, mechanical packaging, and regulatory compliance certifications. The SD2933W maintains active product status with STMicroelectronics, ensuring ongoing availability and supply chain support.

Selection of the SD2933W over the obsolete SD2933 is supported by:

• Complete electrical parameter equivalence across all RF performance metrics
• Identical M177 package compatibility for direct board-level substitution
• ROHS3 compliance and REACH unaffected status maintained
• Active product status providing long-term supply assurance
• Tray packaging format suitable for production environments

No additional design modifications or circuit adjustments are required when substituting the SD2933W for the SD2933 in existing applications.

Frequently Asked Questions (FAQ)

Q: Can the SD2933W be used as a direct replacement for the SD2933?

A: Yes. The SD2933W is a direct equivalent substitute. All electrical parameters, including frequency, voltage ratings, current ratings, gain, and output power, are identical. The M177 package form factor is unchanged, enabling direct board-level substitution without design modification.

Q: What is the primary difference between the SD2933 and SD2933W?

A: The SD2933 is classified as obsolete product status, while the SD2933W maintains active product status. The SD2933W is supplied in Tray packaging format. All electrical and mechanical specifications remain identical.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both the SD2933 and SD2933W maintain ROHS3 compliance and REACH unaffected status. Moisture sensitivity level is identical at MSL 1 (Unlimited) for both parts.

Q: Is the M177 package compatible with existing PCB designs?

A: Yes. Both the SD2933 and SD2933W utilize the M177 package. No PCB layout modifications are required when substituting between these parts.

Q: What inventory considerations apply to these parts?

A: The SD2933 is obsolete with limited remaining inventory. The SD2933W is an active product with higher inventory availability, making it the preferred selection for new designs and ongoing production requirements.

Q: Are the RF performance characteristics identical between SD2933 and SD2933W?

A: Yes. Both parts operate at 30MHz with 23.5dB gain and 300W output power. Test voltage, rated voltage, and current specifications are identical, ensuring equivalent RF performance in circuit applications.