MBR1660 Equivalent & Substitute Parts

Part Overview

The MBR1660 is a Schottky rectifier diode rated for 60 V DC reverse voltage and 16 A average rectified current in a through-hole TO-220AC package. This component is classified as obsolete, necessitating identification of active equivalent parts for continued system design and procurement. The MBR1660 serves applications requiring fast recovery Schottky diode performance with moderate voltage and current ratings in through-hole mounting configurations.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io)	16 A
Voltage - Forward (Vf) (Max) @ If	750 mV @ 16 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 60 V
Mounting Type	Through Hole
Operating Temperature - Junction	-65°C ~ 150°C
Technology	Schottky

Substitute Part Grouping Explanation

Substitution of the MBR1660 is determined by electrical and mechanical parameter equivalence. The substitute part MBR1660-E3/45 maintains identical electrical specifications across all critical parameters: 60 V reverse voltage rating, 16 A average rectified current, 750 mV forward voltage drop at 16 A, fast recovery speed characteristic, and 1 mA reverse leakage current at rated voltage. Both parts operate across the same junction temperature range of -65°C to 150°C and employ Schottky technology.

The primary distinction between the main part and substitute lies in package configuration and product status. The MBR1660 uses a TO-220AC package and is obsolete, while the MBR1660-E3/45 uses a TO-220-3 package and maintains active product status. Both packages are through-hole mounting types compatible with standard PCB layouts designed for TO-220 form factors.

Parameter Comparison

Parameter	MBR1660 (Main)	MBR1660-E3/45 (Substitute)
Manufacturer	Diodes Incorporated	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	60 V	60 V
Current - Average Rectified (Io)	16 A	16 A
Voltage - Forward (Vf) (Max) @ If	750 mV @ 16 A	750 mV @ 16 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 60 V	1 mA @ 60 V
Mounting Type	Through Hole	Through Hole
Package / Case	TO-220-2	TO-220-3
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 150°C
Technology	Schottky	Schottky
Product Status	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The MBR1660-E3/45 serves as the direct electrical equivalent to the obsolete MBR1660. Both components satisfy identical electrical performance requirements with matching voltage ratings, current capacity, forward voltage characteristics, and reverse leakage specifications. The substitute part maintains active product status, ensuring continued availability and supply chain reliability.

Both parts comply with ROHS3 standards and carry MSL rating of 1 (Unlimited), indicating equivalent environmental compliance and moisture handling requirements. The primary consideration for component selection is package compatibility. The MBR1660-E3/45 employs a TO-220-3 package configuration, which is mechanically compatible with standard TO-220 PCB footprints used in designs originally specified for the MBR1660 TO-220AC package. Verification of PCB layout compatibility with the specific pin configuration of the TO-220-3 package is necessary during design transition.

Frequently Asked Questions (FAQ)

Q: Are the MBR1660 and MBR1660-E3/45 electrically interchangeable?

A: Yes. Both components share identical electrical specifications including 60 V reverse voltage rating, 16 A average rectified current, 750 mV forward voltage drop at 16 A, fast recovery speed, and 1 mA reverse leakage current at rated voltage. Operating temperature ranges are identical at -65°C to 150°C.

Q: What is the difference between TO-220AC and TO-220-3 packages?

A: Both are through-hole TO-220 form factor packages. The TO-220AC and TO-220-3 designations refer to different pin configurations and lead arrangements. PCB layout compatibility depends on the specific footprint design. Standard TO-220 footprints typically accommodate both variants, but pin assignment verification is required.

Q: Why is the MBR1660 listed as obsolete?

A: The MBR1660 is classified as obsolete by the original manufacturer, Diodes Incorporated. The MBR1660-E3/45 from Vishay General Semiconductor - Diodes Division maintains active product status and provides equivalent electrical performance for new designs and component replacement.

Q: Are there compliance differences between the two parts?

A: Both parts are ROHS3 compliant and carry MSL rating of 1 (Unlimited). The MBR1660 is REACH Affected, while the MBR1660-E3/45 is REACH Unaffected. Both parts carry ECCN classification EAR99 and HTSUS code 8541.10.0080.

Q: Can the MBR1660-E3/45 be used as a direct replacement in existing designs?

A: Electrical substitution is direct. Mechanical compatibility requires confirmation that the PCB footprint accommodates the TO-220-3 package configuration. Lead spacing and pin assignment must align with the original design layout.

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