MAZ8300GML Equivalent & Substitute Parts

Part Overview

The MAZ8300GML is a 30 V, 150 mW Zener diode manufactured by Panasonic Electronic Components in the SMini2-F3 surface mount package. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design requirements and production continuity. The part operates within a ±7% voltage tolerance and is suitable for surface mount applications requiring 30 V Zener regulation at moderate power levels.

Key Parameters

Parameter	Value
Voltage - Zener (Nom)	30 V
Power - Max	150 mW
Tolerance	±7%
Impedance (Max)	160 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 23 V
Voltage - Forward (Max) @ If	1 V @ 10 mA
Mounting Type	Surface Mount
Package / Case	SC-90, SOD-323F
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAZ8300GML is determined by the following critical parameters:

Primary Matching Criteria:

Zener voltage: 30 V nominal
Surface mount technology
Moisture sensitivity level: 1 (Unlimited)

Secondary Compatibility Factors:

Power dissipation capacity (minimum 150 mW required; higher ratings acceptable)
Voltage tolerance (±7% or tighter acceptable)
Impedance characteristics (lower impedance values acceptable)
Reverse leakage current (50 nA @ 21-23 V acceptable)
Forward voltage characteristics

Package Considerations: Substitute parts are available in SOD-323F (SC-90), SOD-523 (SC-79), and SOD-123F packages. All are surface mount configurations compatible with the original application requirements.

The identified substitute parts maintain the 30 V Zener voltage specification while offering enhanced power ratings (300 mW to 550 mW), improved voltage tolerances (±2% to ±5%), and active product status with automotive-grade qualifications.

Parameter Comparison

Parameter	MAZ8300GML	PZU30B,115	BZX84J-C30,115	BZX84J-B30,115	BZX585-C30,115	BZX585-B30,115	BZT52H-C30,115
Manufacturer	Panasonic	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	NXP Semiconductors
Voltage - Zener (Nom)	30 V	30 V	30 V	30 V	30 V	30 V	30 V
Tolerance	±7%	±5%	±5%	±2%	±5%	±2%	±5%
Power - Max	150 mW	310 mW	550 mW	550 mW	300 mW	300 mW	375 mW
Impedance (Max)	160 Ohms	40 Ohms	40 Ohms	40 Ohms	80 Ohms	80 Ohms	40 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 23 V	50 nA @ 23 V	50 nA @ 21 V	50 nA @ 21 V	50 nA @ 21 V	50 nA @ 21 V	50 nA @ 21 V
Voltage - Forward (Max) @ If	1 V @ 10 mA	1.1 V @ 100 mA	1.1 V @ 100 mA	1.1 V @ 100 mA	1.1 V @ 100 mA	1.1 V @ 100 mA	900 mV @ 10 mA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F	SC-79, SOD-523	SC-79, SOD-523	SOD-123F
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Operating Temperature	Not specified	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C (TA)
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Package-Compatible Substitutes (SOD-323F / SC-90):

The PZU30B,115, BZX84J-C30,115, and BZX84J-B30,115 are direct package equivalents to the MAZ8300GML, all utilizing the SC-90 / SOD-323F surface mount package. These parts maintain identical footprint compatibility and require no PCB layout modifications.

PZU30B,115: Offers 310 mW power rating with ±5% tolerance and AEC-Q100 automotive qualification. Suitable for applications requiring moderate power increase over the original 150 mW specification.
BZX84J-C30,115: Provides 550 mW power rating with ±5% tolerance and AEC-Q101 automotive qualification. Recommended for designs requiring maximum power headroom within the same package footprint.
BZX84J-B30,115: Delivers 550 mW power rating with ±2% tolerance and AEC-Q101 automotive qualification. Optimal selection for applications demanding tighter voltage tolerance specifications.

Alternative Package Substitutes (SOD-523 / SC-79):

The BZX585-C30,115 and BZX585-B30,115 provide 300 mW power ratings in the smaller SOD-523 package. These parts require PCB layout modification but offer space optimization benefits.

BZX585-C30,115: 300 mW, ±5% tolerance, AEC-Q100 qualification.
BZX585-B30,115: 300 mW, ±2% tolerance, AEC-Q100 qualification.

Alternative Package Substitute (SOD-123F):

The BZT52H-C30,115 offers 375 mW power rating in the SOD-123F package with ±5% tolerance and AEC-Q101 automotive qualification. This part requires the most significant PCB layout modification.

Compliance and Certification:

All substitute parts carry active product status, RoHS3 compliance, and REACH unaffected designation. Automotive-grade parts (BZX84J series, BZX585 series, BZT52H series, PZU30B) include AEC-Q100 or AEC-Q101 qualification, suitable for automotive and industrial applications.

Frequently Asked Questions (FAQ)

Q: Can the PZU30B,115 directly replace the MAZ8300GML without PCB modifications?

A: Yes. The PZU30B,115 uses the identical SC-90 / SOD-323F package as the MAZ8300GML, enabling direct footprint compatibility without PCB layout changes.

Q: What is the primary advantage of selecting BZX84J-B30,115 over PZU30B,115?

A: The BZX84J-B30,115 provides ±2% voltage tolerance compared to the PZU30B,115's ±5% tolerance, along with identical 550 mW power rating and SC-90 / SOD-323F package compatibility. Selection depends on voltage regulation precision requirements.

Q: Are the BZX585 series parts suitable replacements if PCB redesign is acceptable?

A: Yes. The BZX585-C30,115 and BZX585-B30,115 maintain the 30 V Zener specification and 300 mW power rating in the smaller SOD-523 package. PCB layout modification is required to accommodate the different package footprint.

Q: What is the difference between BZX585-B30,115 and BZX585-C30,115?

A: Both parts are identical except for voltage tolerance: BZX585-B30,115 offers ±2% tolerance while BZX585-C30,115 offers ±5% tolerance. Both provide 300 mW power rating and AEC-Q100 automotive qualification.

Q: Does the BZT52H-C30,115 offer any advantages over the SOD-323F alternatives?

A: The BZT52H-C30,115 provides 375 mW power rating in the SOD-123F package. It is suitable only if PCB redesign accommodates the different package footprint. The SOD-323F alternatives (PZU30B,115, BZX84J series) are preferred for direct replacement scenarios.

Q: Are all substitute parts qualified for automotive applications?

A: All identified substitute parts carry automotive-grade designations with AEC-Q100 or AEC-Q101 qualification. The original MAZ8300GML does not specify automotive qualification.

Q: What is the impact of lower impedance values in substitute parts?

A: Lower impedance (40 Ohms vs. 160 Ohms in the original) indicates improved dynamic response and lower output impedance. This is a beneficial characteristic for voltage regulation applications and does not create compatibility issues.

Q: Can substitute parts with higher power ratings be used in the original application?

A: Yes. Higher power ratings (300 mW, 310 mW, 375 mW, 550 mW) are fully compatible with applications designed for 150 mW. The higher rating provides additional thermal margin and design flexibility without adverse effects.

Q: What inventory status should influence part selection?

A: All substitute parts maintain active product status with substantial inventory availability (2,096 to 21,304 pieces in stock), ensuring long-term supply continuity compared to the obsolete MAZ8300GML.

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