Equivalent & Substitute Parts for 245NQ015

Part Overview

The 245NQ015 is a Schottky diode rated for 15V DC reverse voltage and 240A average rectified current, housed in a D-67 HALF-PAK chassis mount package. Manufactured by Vishay General Semiconductor - Diodes Division, this component is classified as obsolete. Due to its obsolete status, identifying equivalent substitute parts with matching electrical and mechanical specifications is essential for system continuity and procurement planning.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	15 V
Current - Average Rectified (Io)	240 A
Voltage - Forward (Vf) (Max) @ If	400 mV @ 240 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	80 mA @ 15 V
Capacitance @ Vr, F	15800pF @ 5V, 1MHz
Mounting Type	Chassis Mount
Package / Case	D-67 HALF-PAK
Technology	Schottky
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 245NQ015 is determined by strict equivalence across the following critical parameters:

Voltage Rating: DC reverse voltage must equal 15V
Current Rating: Average rectified current must equal 240A
Forward Voltage Drop: Maximum forward voltage must equal 400mV at 240A
Recovery Speed: Fast recovery characteristic ≤ 500ns for currents > 200mA
Reverse Leakage: Maximum reverse leakage current must equal 80mA at 15V
Capacitance: Junction capacitance must equal 15800pF at 5V, 1MHz
Technology: Schottky diode technology
Mounting Configuration: Chassis mount orientation
Package Form Factor: HALF-PAK module configuration
Regulatory Compliance: ROHS3 compliance required

The substitute part 245NQ015-1 meets all these criteria and is therefore electrically and mechanically interchangeable with the original 245NQ015.

Parameter Comparison

Parameter	245NQ015 (Vishay)	245NQ015-1 (SMC Diode Solutions)	Match
Voltage - DC Reverse (Vr) (Max)	15 V	15 V	✓
Current - Average Rectified (Io)	240 A	240 A	✓
Voltage - Forward (Vf) (Max) @ If	400 mV @ 240 A	400 mV @ 240 A	✓
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	✓
Current - Reverse Leakage @ Vr	80 mA @ 15 V	80 mA @ 15 V	✓
Capacitance @ Vr, F	15800pF @ 5V, 1MHz	15800pF @ 5V, 1MHz	✓
Mounting Type	Chassis Mount	Chassis Mount	✓
Package / Case	D-67 HALF-PAK	HALF-PAK	✓
Technology	Schottky	Schottky	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Product Status	Obsolete	Active	Substitute is active

Engineering Selection Recommendations

The 245NQ015-1 manufactured by SMC Diode Solutions is the direct equivalent substitute for the obsolete 245NQ015. Selection of this substitute is supported by the following factors:

Electrical Equivalence: All critical electrical parameters match exactly, including voltage rating, current capacity, forward voltage drop, recovery speed, reverse leakage, and capacitance characteristics.

Mechanical Compatibility: Both components utilize HALF-PAK chassis mount packaging, ensuring identical mechanical fit and thermal interface requirements in existing circuit board layouts.

Regulatory Compliance: The 245NQ015-1 maintains ROHS3 compliance, meeting the same environmental and hazardous substance restrictions as the original part.

Product Status: The substitute part is classified as active, ensuring ongoing availability and supply chain continuity compared to the obsolete original.

Moisture Sensitivity: Both components share MSL 1 (Unlimited) rating, indicating identical moisture handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can the 245NQ015-1 be used as a direct replacement for the 245NQ015 in existing designs?

A: Yes. The 245NQ015-1 is electrically and mechanically equivalent. All electrical parameters, including voltage rating, current capacity, forward voltage drop, and recovery characteristics, are identical. The HALF-PAK chassis mount package ensures mechanical compatibility with existing PCB layouts and thermal management systems.

Q: Are there any differences in package dimensions between the D-67 HALF-PAK and the PRM1-1 HALF-PAK?

A: Both designations refer to the HALF-PAK module form factor. The D-67 and PRM1-1 are supplier-specific package identifiers for the same physical HALF-PAK configuration used in chassis mount applications.

Q: What is the significance of the product status change from Obsolete to Active?

A: The 245NQ015-1 is actively manufactured and stocked, providing reliable long-term availability. The original 245NQ015 is obsolete and no longer produced, making the 245NQ015-1 the appropriate selection for new procurement and system continuity.

Q: Do both parts have the same RoHS compliance status?

A: Both the 245NQ015 and 245NQ015-1 are ROHS3 compliant. This ensures equivalent environmental and regulatory compliance for applications requiring RoHS certification.

Q: Are the reverse leakage characteristics identical?

A: Yes. Both components specify 80mA maximum reverse leakage current at 15V, ensuring identical thermal behavior and circuit performance under reverse bias conditions.

Q: What is the operating temperature range for the substitute part?

A: The 245NQ015-1 operates across a junction temperature range of -55°C to 125°C, supporting the full industrial temperature spectrum for high-current rectification applications.

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