CP771-CXDM4060P-CT MOSFET P-Channel Equivalent & Substitute Parts

Part Overview

The CP771-CXDM4060P-CT is a P-Channel Metal Oxide Semiconductor Field Effect Transistor (MOSFET) rated for 40V drain-to-source voltage with 6A continuous drain current in a surface mount die package. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing design support and procurement continuity. Substitute parts must maintain electrical and mechanical compatibility within the specified parameter ranges to ensure functional equivalence in circuit applications.

Substiute Parts

CP771-CXDM4060P-CT

Central Semiconductor CorpIn Stock: 939CP771-CXDM4060P-CT Datasheet

Current PartRFQ

CP805-CXDM4060P-CT

Central Semiconductor CorpIn Stock: 1108CP805-CXDM4060P-CT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CP771-CXDM4060P-CT is determined by electrical and mechanical parameter compatibility within the following criteria:

Electrical Compatibility Requirements:

• FET Type: P-Channel topology must be maintained
• Technology: MOSFET (Metal Oxide) construction required
• Drain to Source Voltage (Vdss): Minimum 40V rating required
• Continuous Drain Current (Id): Minimum 6A at 25°C required
• On-State Resistance (Rds On): Lower or equal values acceptable
• Gate Threshold Voltage (Vgs(th)): Compatibility at specified test conditions
• Gate Charge (Qg): Lower or equal values acceptable
• Input Capacitance (Ciss): Lower or equal values acceptable
• Maximum Gate Voltage (Vgs): ±20V or higher acceptable

Mechanical Compatibility Requirements:

• Mounting Type: Surface Mount required
• Package Type: Die package required
• Operating Temperature Range: -55°C to 150°C (TJ) minimum required
• Moisture Sensitivity Level: MSL 1 acceptable
• RoHS Compliance: ROHS3 Compliant required

The CP805-CXDM4060P-CT meets all substitution criteria and is classified as an active product with enhanced electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The CP805-CXDM4060P-CT is the qualified substitute for the obsolete CP771-CXDM4060P-CT based on the following engineering criteria:

Product Status Alignment: The CP805-CXDM4060P-CT maintains active product status with current manufacturing support and availability, addressing the obsolescence of the original part. This ensures long-term procurement viability and supply chain continuity.

Electrical Parameter Compliance: The substitute part meets or exceeds all critical electrical specifications. The continuous drain current rating of 6.4A exceeds the 6A requirement of the main part. The on-state resistance of 31 mOhm at 1A, 10V demonstrates improved performance characteristics. Gate threshold voltage remains identical at 3V @ 250µA. Maximum gate voltage of ±20V is within acceptable tolerance of the ±25V specification.

Regulatory and Compliance Certification: Both parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The substitute part carries REACH Unaffected status and EAR99 ECCN classification, confirming regulatory alignment for industrial and commercial applications.

Mechanical and Thermal Compatibility: Surface mount die package configuration and operating temperature range of -55°C to 150°C (TJ) are identical between both parts, ensuring direct mechanical and thermal compatibility in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can the CP805-CXDM4060P-CT be used as a direct replacement for the CP771-CXDM4060P-CT?

A: Yes. The CP805-CXDM4060P-CT is electrically and mechanically compatible with the CP771-CXDM4060P-CT. Both parts are P-Channel MOSFETs with identical 40V Vdss rating, matching gate threshold voltage, identical operating temperature range, and compatible die package configuration. The substitute part provides enhanced continuous drain current (6.4A versus 6A) and improved on-state resistance characteristics.

Q: What are the key electrical differences between these parts?

A: The primary electrical differences are: (1) Continuous drain current: CP805 rated at 6.4A versus CP771 at 6A; (2) On-state resistance: CP805 specified at 31 mOhm @ 1A, 10V versus CP771 at 65 mOhm @ 6A, 10V; (3) Maximum gate voltage: CP805 rated at ±20V versus CP771 at ±25V. All other specified parameters including Vdss, Vgs(th), and operating temperature range are identical.

Q: Are there any package or mounting differences?

A: No. Both parts utilize identical surface mount die package configuration. No modifications to circuit board layout, die bonding procedures, or assembly processes are required when substituting the CP805-CXDM4060P-CT for the CP771-CXDM4060P-CT.

Q: What is the compliance status of the substitute part?

A: The CP805-CXDM4060P-CT is ROHS3 compliant, REACH unaffected, and carries EAR99 ECCN classification. Moisture sensitivity level is MSL 1 (Unlimited), matching the original part specification.

Q: Why is the CP771-CXDM4060P-CT classified as obsolete?

A: The CP771-CXDM4060P-CT has been discontinued by Central Semiconductor Corp. The CP805-CXDM4060P-CT represents the active product line continuation with equivalent and enhanced electrical performance characteristics.

Q: Are gate charge and input capacitance specifications available for the substitute part?

A: Gate charge (Qg) and input capacitance (Ciss) specifications are not provided in the available technical data for the CP805-CXDM4060P-CT. These parameters should be obtained directly from the manufacturer's current datasheet if required for specific circuit design calculations.