MMBD1505 Equivalent & Substitute Parts

Part Overview

The MMBD1505 is a general-purpose diode array in a surface mount package, configured as 1 pair common anode with 200V reverse voltage rating and 200mA average rectified current per diode. Manufactured by onsemi, this component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and procurement continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Anode
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io) (per Diode)	200 mA
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 200 mA
Current - Reverse Leakage @ Vr	10 nA @ 180 V
Operating Temperature - Junction (Max)	150°C
Package / Case	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount
Technology	Standard

Substitute Part Grouping Explanation

Substitution eligibility for the MMBD1505 is determined by the following critical parameters: diode configuration (1 pair common anode), package type (SOT-23-3), mounting method (surface mount), reverse voltage rating, average rectified current capacity, forward voltage characteristics, and reverse leakage current specifications.

Parametric Equivalent Classification: Parts meeting all electrical specifications and package requirements with active product status.

Similar Part Classification: Parts meeting core configuration and package requirements with minor deviations in electrical specifications that may require application-level verification.

Parameter Comparison

Parameter	MMBD1505 (onsemi)	MMBD1505A (Fairchild Semiconductor)	MMBD1505-TP (Micro Commercial Co)
Manufacturer	onsemi	Fairchild Semiconductor	Micro Commercial Co
Product Status	Obsolete	Active	Active
Diode Configuration	1 Pair Common Anode	1 Pair Common Anode	1 Pair Common Anode
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	180 V
Current - Average Rectified (Io) (per Diode)	200 mA	200 mA	200 mA
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 200 mA	1.1 V @ 200 mA	1.3 V @ 200 mA
Current - Reverse Leakage @ Vr	10 nA @ 180 V	10 nA @ 180 V	10 nA @ 180 V
Operating Temperature - Junction (Max)	150°C	150°C	150°C
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Technology	Standard	Standard	Standard
Packaging Format	Bulk	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

MMBD1505A (Fairchild Semiconductor) is the primary parametric equivalent for MMBD1505 replacement. This part maintains identical electrical specifications across all critical parameters including 200V reverse voltage rating, 200mA average rectified current, 1.1V forward voltage at 200mA, and 150°C maximum junction temperature. The part carries active product status, ensuring long-term availability and supply chain continuity. Identical package configuration (SOT-23-3) and surface mount mounting type enable direct board-level substitution without design modification.

MMBD1505-TP (Micro Commercial Co) functions as a similar part with application-dependent suitability. This component shares the common anode configuration, 200mA current rating, and SOT-23-3 package. However, the reverse voltage rating is reduced to 180V (versus 200V for the primary part), and forward voltage is elevated to 1.3V at 200mA (versus 1.1V). These deviations require circuit-level analysis to confirm compatibility with existing voltage and current margins. The part is supplied in Tape & Reel format, suitable for high-volume manufacturing environments. Active product status supports procurement availability.

Frequently Asked Questions (FAQ)

Q: Can MMBD1505A directly replace MMBD1505 without circuit modification?

A: Yes. MMBD1505A maintains identical electrical specifications and package configuration, enabling direct substitution at the board level without design changes.

Q: What are the key differences between MMBD1505A and MMBD1505-TP?

A: MMBD1505A matches the original MMBD1505 specifications exactly. MMBD1505-TP has a lower reverse voltage rating (180V versus 200V) and higher forward voltage (1.3V versus 1.1V at 200mA). Application compatibility depends on circuit voltage and current requirements.

Q: Is MMBD1505-TP suitable for all applications using MMBD1505?

A: MMBD1505-TP is suitable only for applications where the 180V reverse voltage rating and 1.3V forward voltage characteristics remain within acceptable operating margins. Applications requiring the full 200V rating or lower forward voltage drop require MMBD1505A.

Q: What packaging formats are available for these parts?

A: MMBD1505A is available in bulk packaging. MMBD1505-TP is supplied in Tape & Reel format, optimized for automated assembly processes.

Q: Are all substitute parts RoHS compliant?

A: MMBD1505A compliance status is not specified in available data. MMBD1505-TP is RoHS3 compliant. Verify specific compliance requirements with procurement documentation.

Q: What is the moisture sensitivity level for these components?

A: MMBD1505 and MMBD1505-TP both carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. MMBD1505A MSL rating is not specified in available data.

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