PDZ33B-QZ Equivalent & Substitute Parts

Part Overview

The PDZ33B-QZ is a 33 V Zener diode manufactured by Nexperia USA Inc., designed for surface mount applications in the SOD-323 package. This component operates at a maximum power dissipation of 400 mW with ±2% voltage tolerance and is qualified to AEC-Q101 automotive standards. The part is currently in active production status with 721 units available in inventory. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring identical electrical and mechanical specifications.

Substiute Parts

PDZ33B-QZ

Nexperia USA Inc.In Stock: 792PDZ33B-QZ Datasheet

Current PartRFQ

PDZ33B,115

Nexperia USA Inc.In Stock: 2353PDZ33B,115 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PDZ33B-QZ are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Electrical Parameters (Must Match Exactly):

• Zener voltage: 33 V nominal
• Voltage tolerance: ±2%
• Maximum power dissipation: 400 mW
• Maximum impedance: 40 Ohms
• Reverse leakage current: 50 nA @ 25 V
• Forward voltage: 1.1 V maximum @ 100 mA
• Junction temperature rating: 150°C

Mechanical Parameters (Must Match Exactly):

• Package type: SOD-323 (SC-76)
• Mounting type: Surface Mount
• Tape & Reel packaging format

Compliance Parameters (Must Match):

• RoHS3 compliance
• Moisture Sensitivity Level 1
• Active product status

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The PDZ33B,115 is a direct parametric equivalent to the PDZ33B-QZ. Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications, mechanical packaging, and compliance certifications. Selection between these parts is based on inventory availability and procurement lead times.

PDZ33B-QZ is appropriate for applications where the specific part number designation is required or when inventory of 721 units meets project timelines.

PDZ33B,115 is appropriate for applications where higher inventory availability (2300 units) supports extended production runs or when this specific part number designation is specified in procurement documentation.

Both parts satisfy automotive-grade requirements through AEC-Q101 qualification and maintain full RoHS3 and REACH compliance. No electrical or mechanical performance differences exist between these parts. Selection should be based on supply chain requirements and internal part number standardization policies.

Frequently Asked Questions (FAQ)

Q: Can PDZ33B,115 be used as a direct replacement for PDZ33B-QZ?

A: Yes. Both parts are parametric equivalents with identical electrical specifications (33 V nominal, ±2% tolerance, 400 mW maximum power), identical mechanical packaging (SOD-323 surface mount), and identical compliance certifications (AEC-Q101, RoHS3, REACH Unaffected). Direct substitution is supported without circuit redesign or re-qualification.

Q: Are there any differences in package dimensions or PCB footprint between these parts?

A: No. Both parts use the SC-76 SOD-323 package with identical physical dimensions and PCB footprint requirements. No layout modifications are necessary when substituting between these parts.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both PDZ33B-QZ and PDZ33B,115 are qualified to AEC-Q101 automotive standards and are suitable for automotive applications requiring this certification level.

Q: What is the difference between PDZ33B-QZ and PDZ33B,115 part number designations?

A: The part numbers represent different packaging or distribution formats from Nexperia USA Inc. Both are manufactured to identical electrical and mechanical specifications. The designation difference does not indicate performance variation.

Q: Are moisture sensitivity precautions identical for both parts?

A: Yes. Both parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling or baking requirements during storage or assembly.

Q: Can these parts be used interchangeably in existing designs without re-testing?

A: Yes. Since all electrical parameters, mechanical specifications, and compliance certifications are identical, these parts are interchangeable without design changes or additional qualification testing.