MAZ82200ML Equivalent & Substitute Parts

Part Overview

The MAZ82200ML is a Zener diode manufactured by Panasonic Electronic Components, rated at 22 V nominal voltage with 150 mW maximum power dissipation. This component is packaged in SMini2-F1 (SC-90, SOD-323F) surface mount configuration and is RoHS Compliant with MSL 1 rating.

The MAZ82200ML is classified as Obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements. Active alternatives with comparable electrical characteristics and compatible packaging are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	22	V
Tolerance	±6%	-
Power - Max	150	mW
Impedance (Max)	80	Ohms
Current - Reverse Leakage @ Vr	50 nA @ 17 V	-
Voltage - Forward (Max) @ If	1 V @ 10 mA	-
Mounting Type	Surface Mount	-
Package / Case	SC-90, SOD-323F	-
RoHS Status	RoHS Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the MAZ82200ML is determined by the following critical parameters:

Primary Matching Criteria:

Zener voltage: 22 V nominal
Mounting type: Surface Mount
RoHS compliance status
Moisture sensitivity level: MSL 1

Secondary Compatibility Factors:

Power dissipation rating (minimum 150 mW required for direct replacement)
Package compatibility (SOD-323F preferred; SOD-523 and alternative surface mount packages acceptable with PCB layout verification)
Impedance characteristics (Zzt parameter)
Reverse leakage current specifications
Operating temperature range

Substitute parts are grouped into two categories:

Category A - Direct Package Compatibility (SOD-323F): Parts with identical or mechanically compatible packaging (SC-90, SOD-323F) that maintain footprint compatibility without PCB redesign.

Category B - Functional Equivalence with Package Variation: Parts with 22 V nominal voltage and surface mount configuration but different package types (SOD-523, UMD2, TUMD2) that require PCB layout evaluation.

All listed substitutes maintain 22 V nominal Zener voltage and surface mount technology. Power ratings range from 150 mW to 550 mW, accommodating applications with equal or reduced power requirements.

Parameter Comparison

Part Number	Manufacturer	Vz (Nom)	Tolerance	Power (Max)	Zzt (Max)	Package	Status	RoHS
MAZ82200ML	Panasonic	22 V	±6%	150 mW	80 Ω	SOD-323F	Obsolete	Compliant
BZX585-B22,115	Nexperia USA Inc.	22 V	±2%	300 mW	55 Ω	SOD-523	Active	ROHS3
BZX585-C22,115	Nexperia USA Inc.	22 V	±5%	300 mW	55 Ω	SOD-523	Active	ROHS3
BZX84J-B22,115	NXP USA Inc.	22 V	±2%	550 mW	25 Ω	SOD-323F	Active	ROHS3
MM3Z22VST1G	onsemi	22 V	±2%	300 mW	55 Ω	SOD-323	Active	ROHS3
PZU22B2,115	NXP Semiconductors	22 V	±2%	310 mW	25 Ω	SOD-323F	Active	ROHS3
TFZGTR22B	Rohm Semiconductor	22 V	-	500 mW	30 Ω	TUMD2	Active	ROHS3
UDZSTE-1722B	Rohm Semiconductor	22 V	±2%	200 mW	100 Ω	SOD-323F	Active	ROHS3
UDZVFHTE-1722B	Rohm Semiconductor	22 V	±2.11%	200 mW	100 Ω	SOD-323F	Active	ROHS3
UDZVTE-1722B	Rohm Semiconductor	22 V	-	200 mW	100 Ω	SOD-323F	Active	ROHS3

Engineering Selection Recommendations

Direct Replacement (No PCB Modification Required):

Parts with SOD-323F packaging maintain mechanical and electrical compatibility with the MAZ82200ML footprint:

PZU22B2,115 (NXP Semiconductors): Active status, SOD-323F package, 310 mW power rating, ±2% tolerance, 25 Ω impedance. Suitable for applications requiring higher power margin than original 150 mW specification.
BZX84J-B22,115 (NXP USA Inc.): Active status, SOD-323F package, 550 mW power rating, ±2% tolerance, AEC-Q101 automotive qualification. Recommended for designs requiring enhanced thermal performance and automotive-grade reliability.
UDZSTE-1722B, UDZVFHTE-1722B, UDZVTE-1722B (Rohm Semiconductor): Active status, SOD-323F package, 200 mW power rating, UMD2 supplier package. Suitable for applications with power requirements at or above 150 mW. UDZVFHTE-1722B includes AEC-Q101 automotive qualification.

Functional Equivalence with Package Variation (PCB Layout Evaluation Required):

MM3Z22VST1G (onsemi): Active status, SOD-323 package, 300 mW power rating, ±2% tolerance. Requires verification of PCB footprint compatibility.
BZX585-B22,115 and BZX585-C22,115 (Nexperia USA Inc.): Active status, SOD-523 package, 300 mW power rating. Tolerance options: ±2% (B22) or ±5% (C22). Requires PCB layout modification.
TFZGTR22B (Rohm Semiconductor): Active status, TUMD2 package, 500 mW power rating. Requires PCB layout modification and thermal management evaluation.

Compliance Considerations:

All substitute parts are ROHS3 compliant and maintain MSL 1 moisture sensitivity rating. Parts with automotive qualifications (BZX84J-B22,115, UDZVFHTE-1722B) are suitable for automotive and industrial applications requiring AEC-Q100 or AEC-Q101 certification.

Frequently Asked Questions (FAQ)

Q1: Can I use a substitute part with higher power rating than the original MAZ82200ML?

A: Yes. The MAZ82200ML is rated at 150 mW. Substitute parts with 200 mW, 300 mW, 310 mW, or 550 mW ratings are electrically compatible and provide additional thermal margin. Higher power ratings do not affect circuit functionality when the 22 V nominal voltage and surface mount configuration are maintained. Verify that the application does not require the specific impedance characteristics of the original part.

Q2: What is the difference between SOD-323F and SOD-323 packages?

A: SOD-323F and SOD-323 are both surface mount packages with similar footprints. SOD-323F includes a flat lead design (F designation). Both are mechanically compatible with the MAZ82200ML SOD-323F footprint. Consult PCB layout documentation to confirm exact pad dimensions and spacing requirements.

Q3: Are parts with ±2% tolerance interchangeable with the ±6% tolerance original?

A: Yes. Parts with tighter tolerance (±2%) are functionally compatible and provide improved voltage accuracy. The ±6% tolerance of the MAZ82200ML represents the maximum acceptable deviation. Substitute parts with ±2% or ±5% tolerance meet or exceed this specification and are suitable for direct replacement.

Q4: What does impedance (Zzt) mean, and does it affect substitution?

A: Impedance (Zzt) is the dynamic impedance of the Zener diode at the specified test current. Lower impedance values (25 Ω) indicate better voltage regulation and lower output impedance. The MAZ82200ML has 80 Ω impedance. Substitute parts with lower impedance (25 Ω to 55 Ω) provide improved regulation performance. Higher impedance (100 Ω) may be acceptable depending on circuit requirements; verify through circuit simulation or testing.

Q5: Can I use a substitute part with a different package if I modify the PCB?

A: Yes. Parts with different packages (SOD-523, UMD2, TUMD2) are electrically equivalent but require PCB layout modification. Ensure that the new package footprint, pad spacing, and thermal characteristics are compatible with your PCB design. Consult the manufacturer's datasheet for detailed package dimensions and thermal specifications.

Q6: Which substitute part is recommended for automotive applications?

A: BZX84J-B22,115 (NXP USA Inc.) and UDZVFHTE-1722B (Rohm Semiconductor) are qualified to AEC-Q101 automotive standard. Both maintain 22 V nominal voltage, surface mount configuration, and RoHS3 compliance. BZX84J-B22,115 offers higher power rating (550 mW) and lower impedance (25 Ω) for enhanced performance.

Q7: What is the difference between Nexperia BZX585-B22,115 and BZX585-C22,115?

A: Both parts are identical except for tolerance specification. BZX585-B22,115 has ±2% tolerance; BZX585-C22,115 has ±5% tolerance. Both are rated at 22 V nominal, 300 mW power, SOD-523 package, and active status. Select based on voltage accuracy requirements for your application.

Q8: Is reverse leakage current important for substitution?

A: Reverse leakage current affects standby power consumption and circuit performance in high-impedance applications. The MAZ82200ML specifies 50 nA @ 17 V. Most substitute parts maintain 50 nA to 100 nA leakage. TFZGTR22B specifies 200 nA, which is acceptable for most applications but may impact low-power designs. Verify leakage specifications if your circuit operates in standby or low-power modes.

Q9: Can I substitute the MAZ82200ML with a part rated at lower power (e.g., 150 mW or 200 mW)?

A: Yes. Parts rated at 150 mW or 200 mW are electrically compatible if they maintain 22 V nominal voltage and surface mount configuration. Ensure that the application power dissipation does not exceed the substitute part's rating. Verify thermal management and circuit operating conditions.

Q10: What inventory availability should I consider?

A: Current inventory levels vary by part. MM3Z22VST1G (onsemi) has the highest inventory at 215,200 pcs. BZX585-C22,115 (Nexperia) has 21,671 pcs. PZU22B2,115 (NXP) has 33,912 pcs. For long-term supply chain planning, prioritize active-status parts with established manufacturing and distribution channels.

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