MA3J142DGL Equivalent & Substitute Parts

Part Overview

The MA3J142DGL is a general-purpose diode array manufactured by Panasonic Electronic Components, configured as a 1 Pair Common Anode device rated for 80 V DC reverse voltage and 100 mA average rectified current per diode. The device is packaged in SC-85 (SMini3-F2) surface mount configuration and is classified as obsolete product status. Due to its obsolete classification, identification of equivalent substitute components is necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

MA3J142DGL
Panasonic Electronic ComponentsIn Stock: 4258MA3J142DGL Datasheet
MA3J142DGL
Current Part
M1MA142WAT1G
onsemiIn Stock: 3508M1MA142WAT1G Datasheet
M1MA142WAT1G
Direct

Key Parameters

Parameter Value
Diode Configuration 1 Pair Common Anode
Voltage - DC Reverse (Vr) (Max) 80 V
Current - Average Rectified (Io) (per Diode) 100 mA (DC)
Voltage - Forward (Vf) (Max) @ If 1.2 V @ 100 mA
Reverse Recovery Time (trr) 10 ns
Current - Reverse Leakage @ Vr 100 nA @ 75 V
Operating Temperature - Junction (Max) 150°C
Technology Standard
Speed Classification Small Signal ≤ 200 mA (Io), Any Speed
Mounting Type Surface Mount
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MA3J142DGL is determined by electrical and mechanical parameter equivalence. The substitute part M1MA142WAT1G maintains identical electrical specifications across all critical parameters: diode configuration (1 Pair Common Anode), reverse voltage rating (80 V), average rectified current (100 mA per diode), forward voltage (1.2 V @ 100 mA), reverse recovery time (10 ns), reverse leakage current (100 nA @ 75 V), and maximum junction temperature (150°C). Both devices employ standard technology classification and small signal speed rating.

The primary distinction between the main part and substitute lies in package configuration. The MA3J142DGL utilizes SC-85 (SMini3-F2) packaging, while the M1MA142WAT1G employs SC-70 (SOT-323) packaging. Both are surface mount configurations suitable for automated assembly. The M1MA142WAT1G is classified as active product status with RoHS3 compliance and REACH unaffected designation, providing superior long-term availability compared to the obsolete MA3J142DGL.

Parameter Comparison

Parameter MA3J142DGL (Panasonic) M1MA142WAT1G (onsemi) Match Status
Diode Configuration 1 Pair Common Anode 1 Pair Common Anode Identical
Voltage - DC Reverse (Vr) (Max) 80 V 80 V Identical
Current - Average Rectified (Io) (per Diode) 100 mA (DC) 100 mA (DC) Identical
Voltage - Forward (Vf) (Max) @ If 1.2 V @ 100 mA 1.2 V @ 100 mA Identical
Reverse Recovery Time (trr) 10 ns 10 ns Identical
Current - Reverse Leakage @ Vr 100 nA @ 75 V 100 nA @ 75 V Identical
Operating Temperature - Junction (Max) 150°C 150°C Identical
Technology Standard Standard Identical
Speed Classification Small Signal ≤ 200 mA (Io), Any Speed Small Signal ≤ 200 mA (Io), Any Speed Identical
Mounting Type Surface Mount Surface Mount Identical
Package / Case SC-85 (SMini3-F2) SC-70 (SOT-323) Different
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Identical
Product Status Obsolete Active Different

Engineering Selection Recommendations

The M1MA142WAT1G is a functionally equivalent substitute for the MA3J142DGL based on complete electrical parameter alignment. Selection of the M1MA142WAT1G is supported by the following factors:

Product Status: The M1MA142WAT1G maintains active product status, ensuring continued availability and manufacturing support. The MA3J142DGL is classified as obsolete, presenting supply chain risk for ongoing production and field repair applications.

Regulatory Compliance: The M1MA142WAT1G carries RoHS3 compliance certification and REACH unaffected designation, meeting current environmental and regulatory requirements for electronic components in most jurisdictions.

Package Consideration: Substitution requires PCB layout modification due to package change from SC-85 (SMini3-F2) to SC-70 (SOT-323). Both packages are industry-standard surface mount configurations with established manufacturing processes. The SC-70 package is widely supported by automated assembly equipment.

Electrical Equivalence: All electrical parameters remain identical between the main part and substitute, including voltage ratings, current ratings, forward voltage characteristics, reverse recovery time, and leakage current specifications. No circuit redesign is required.

Frequently Asked Questions (FAQ)

Q: Are the MA3J142DGL and M1MA142WAT1G electrically interchangeable?

A: Yes. Both devices share identical electrical specifications: 80 V reverse voltage rating, 100 mA average rectified current per diode, 1.2 V forward voltage at 100 mA, 10 ns reverse recovery time, and 100 nA reverse leakage current at 75 V. The diode configuration (1 Pair Common Anode) and operating temperature range (150°C maximum junction temperature) are identical.

Q: What is the primary difference between these two parts?

A: The primary difference is package configuration. The MA3J142DGL uses SC-85 (SMini3-F2) packaging, while the M1MA142WAT1G uses SC-70 (SOT-323) packaging. Both are surface mount packages, but they have different physical dimensions and pin layouts. PCB redesign is required for substitution.

Q: Can I use M1MA142WAT1G as a direct drop-in replacement without PCB modification?

A: No. The different package types (SC-85 versus SC-70) require PCB layout changes. The footprints, pin spacing, and physical dimensions differ between these packages. PCB redesign and re-layout are necessary.

Q: Why is the MA3J142DGL classified as obsolete?

A: The MA3J142DGL is listed as obsolete product status by the manufacturer. This classification indicates that the component is no longer in active production and future availability cannot be guaranteed.

Q: Does the M1MA142WAT1G meet current environmental standards?

A: Yes. The M1MA142WAT1G is RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components.

Q: Are there any performance differences between the SC-85 and SC-70 packages?

A: No performance differences exist. Both packages are surface mount configurations suitable for the same electrical specifications. The difference is purely physical form factor and PCB footprint.

Q: What is the moisture sensitivity level for both parts?

A: Both the MA3J142DGL and M1MA142WAT1G have MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage and handling.

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