MAZS02400L Equivalent & Substitute Parts

Part Overview

The MAZS02400L is a Zener diode manufactured by Panasonic Electronic Components, rated at 2.4 V nominal with 150 mW maximum power dissipation in a surface mount SSMini2-F1 package. This component is classified as obsolete, necessitating identification of functionally equivalent substitute parts for ongoing design requirements and production continuity. Substitute parts must maintain electrical compatibility while meeting current availability and compliance standards.

Key Parameters

Parameter	Value
Voltage - Zener (Nom)	2.4 V
Power - Max	150 mW
Tolerance	±7%
Impedance (Max)	100 Ohms
Current - Reverse Leakage @ Vr	120 µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	1 V @ 10 mA
Mounting Type	Surface Mount
Package / Case	SC-79, SOD-523
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAZS02400L is determined by the following critical parameters:

Electrical Compatibility Requirements:

Zener voltage must be 2.4 V nominal
Maximum power dissipation must equal or exceed 150 mW
Impedance (Zzt) must not exceed 100 Ohms
Reverse leakage current must not exceed 120 µA @ 1 V
Forward voltage must not exceed 1 V @ 10 mA

Mechanical Compatibility Requirements:

Surface mount mounting type
Package compatibility with SC-79 or SOD-523 footprints

Environmental Requirements:

Moisture sensitivity level 1 (Unlimited)

Substitute parts are grouped based on power rating capability and package type. Parts with equal or greater power ratings (150 mW or higher) provide direct substitution. Parts with lower power ratings (100 mW) are listed but require circuit validation for current-limited applications. Package variants (SOD-523, SOD-323F, SOD-123F) are included where electrical parameters align with the original specification.

Parameter Comparison

Part Number	Manufacturer	Vz (Nom)	Power (Max)	Tolerance	Zzt (Max)	Ir @ 1V	Vf (Max)	Package	Status
MAZS02400L	Panasonic	2.4 V	150 mW	±7%	100 Ω	120 µA	1 V @ 10 mA	SOD-523	Obsolete
BZT52C2V4T-7	Diodes Inc.	2.4 V	300 mW	±8%	100 Ω	50 µA	900 mV @ 10 mA	SOD-523	Active
BZT52C2V4T-TP	Micro Commercial Co	2.4 V	100 mW	±6%	100 Ω	50 µA	900 mV @ 10 mA	SOD-523	Active
BZT52H-C2V4,115	NXP Semiconductors	2.4 V	375 mW	±5%	85 Ω	50 µA	900 mV @ 10 mA	SOD-123F	Active
BZX584B2V4-TP	Micro Commercial Co	2.4 V	150 mW	±2%	100 Ω	50 µA	900 mV @ 10 mA	SOD-523	Active
BZX585-B2V4,115	Nexperia USA Inc.	2.4 V	300 mW	±2%	100 Ω	50 µA	1.1 V @ 100 mA	SOD-523	Active
BZX585-B2V4,135	Nexperia USA Inc.	2.4 V	300 mW	±2%	100 Ω	50 µA	1.1 V @ 100 mA	SOD-523	Active
BZX585-C2V4,115	Nexperia USA Inc.	2.4 V	300 mW	±5%	100 Ω	50 µA	1.1 V @ 100 mA	SOD-523	Active
BZX585-C2V4,135	Nexperia USA Inc.	2.4 V	300 mW	±5%	100 Ω	50 µA	1.1 V @ 100 mA	SOD-523	Active
BZX84J-B2V4,115	Nexperia USA Inc.	2.4 V	550 mW	±2%	100 Ω	50 µA	1.1 V @ 100 mA	SOD-323F	Active
BZX84J-C2V4,115	Nexperia USA Inc.	2.4 V	550 mW	±5%	100 Ω	50 µA	1.1 V @ 100 mA	SOD-323F	Active

Engineering Selection Recommendations

Direct Electrical Equivalents (Same Power Rating):

BZX584B2V4-TP is the closest electrical equivalent to MAZS02400L, maintaining the 150 mW power rating with identical impedance specification and SOD-523 package compatibility. This part is manufactured by Micro Commercial Co and carries active product status with RoHS3 compliance.

Higher Power Rating Alternatives (150 mW or Greater):

Parts with power ratings exceeding 150 mW provide enhanced thermal margin and are suitable for applications where the original 150 mW specification is adequate. These include:

BZT52C2V4T-7 (300 mW, SOD-523, Diodes Inc., Active)
BZT52H-C2V4,115 (375 mW, SOD-123F, NXP Semiconductors, Active, AEC-Q101 qualified)
BZX585-B2V4,115 (300 mW, SOD-523, Nexperia, Active, AEC-Q100 qualified)
BZX585-B2V4,135 (300 mW, SOD-523, Nexperia, Active, AEC-Q100 qualified)
BZX585-C2V4,115 (300 mW, SOD-523, Nexperia, Active, AEC-Q100 qualified)
BZX585-C2V4,135 (300 mW, SOD-523, Nexperia, Active, AEC-Q100 qualified)
BZX84J-B2V4,115 (550 mW, SOD-323F, Nexperia, Active, AEC-Q101 qualified)
BZX84J-C2V4,115 (550 mW, SOD-323F, Nexperia, Active, AEC-Q101 qualified)

Lower Power Rating Alternative:

BZT52C2V4T-TP (100 mW, SOD-523, Micro Commercial Co, Active) operates below the original 150 mW specification and is suitable only for applications with reduced current requirements.

Compliance and Qualification:

Parts carrying AEC-Q100 or AEC-Q101 automotive qualifications (Nexperia and NXP products) are suitable for automotive and high-reliability applications. All listed active substitutes maintain RoHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Frequently Asked Questions (FAQ)

Q: Can BZT52C2V4T-TP (100 mW) be used as a direct replacement for MAZS02400L (150 mW)?

A: BZT52C2V4T-TP operates at a lower power rating and is suitable only for applications where circuit current requirements do not exceed 100 mW dissipation. Applications requiring the full 150 mW capability must use parts rated at 150 mW or higher.

Q: What is the difference between SOD-523 and SOD-323F packages?

A: SOD-523 and SOD-323F are different surface mount package footprints. SOD-523 is smaller and is the original package for MAZS02400L. SOD-323F is larger. PCB layout compatibility must be verified before selecting parts with different package types.

Q: Are Nexperia BZX585 series parts (±2% tolerance) better than the original MAZS02400L (±7% tolerance)?

A: Nexperia BZX585 series parts offer tighter tolerance (±2%) compared to the original specification (±7%), resulting in more precise zener voltage regulation. This represents an improvement in voltage accuracy for applications requiring tighter voltage control.

Q: Can I use BZX84J-C2V4,115 (550 mW, SOD-323F) in place of MAZS02400L (150 mW, SOD-523)?

A: BZX84J-C2V4,115 meets all electrical requirements with higher power capability and tighter tolerance. However, the SOD-323F package has a different footprint than SOD-523. PCB layout modification is required for this substitution.

Q: Which substitute part has the best availability?

A: BZT52H-C2V4,115 (NXP Semiconductors) has the highest inventory level at 148,203 pieces in stock, followed by BZT52C2V4T-TP (Micro Commercial Co) at 8,640 pieces.

Q: Are all listed substitute parts RoHS3 compliant?

A: All active substitute parts listed carry RoHS3 compliance status. The original MAZS02400L (obsolete) does not specify RoHS status.

Q: What does AEC-Q101 qualification mean?

A: AEC-Q101 is an automotive qualification standard for discrete semiconductors. Parts carrying this qualification have undergone testing for automotive applications and are suitable for use in automotive and high-reliability environments.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message