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PDZ36B-QX Equivalent & Substitute Parts
Part Overview
The PDZ36B-QX is an active Zener diode manufactured by Nexperia USA Inc., designed for surface mount applications in the SOD-323 package. This component operates at a nominal Zener voltage of 36 V with a maximum power dissipation of 400 mW and is qualified to AEC-Q101 automotive standards. The part is ROHS3 compliant and carries an unlimited moisture sensitivity level (MSL 1).
Substitute parts are identified when component availability is limited, supply chain disruptions occur, or inventory requirements necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) | 36 | V |
| Tolerance | ±2 | % |
| Power - Max | 400 | mW |
| Impedance (Max) | 60 | Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 27 V | nA |
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 100 mA | V |
| Operating Temperature | 150 | °C (TJ) |
| Package / Case | SC-76, SOD-323 | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
| Grade | Automotive | — |
| Qualification | AEC-Q101 | — |
Substitute Part Grouping Explanation
Substitution of the PDZ36B-QX is permissible with the PDZ36B,115 based on identical electrical and mechanical specifications. Both components share the following critical parameters that define functional equivalence:
- Nominal Zener voltage: 36 V
- Voltage tolerance: ±2%
- Maximum power dissipation: 400 mW
- Maximum impedance: 60 Ohms
- Reverse leakage current: 50 nA @ 27 V
- Forward voltage: 1.1 V @ 100 mA
- Operating temperature: 150°C (TJ)
- Package designation: SOD-323 (SC-76)
- Surface mount configuration
- RoHS3 compliance
- Moisture sensitivity level: 1 (Unlimited)
The primary distinction between these parts is packaging format: the PDZ36B-QX is supplied in Tape & Reel (TR) configuration, while the PDZ36B,115 is supplied in Cut Tape (CT) and Digi-Reel® format. Both are manufactured by Nexperia USA Inc. and maintain active product status.
Parameter Comparison
| Parameter | PDZ36B-QX | PDZ36B,115 | Match |
|---|---|---|---|
| Voltage - Zener (Nom) | 36 V | 36 V | ✓ |
| Tolerance | ±2% | ±2% | ✓ |
| Power - Max | 400 mW | 400 mW | ✓ |
| Impedance (Max) | 60 Ohms | 60 Ohms | ✓ |
| Current - Reverse Leakage @ Vr | 50 nA @ 27 V | 50 nA @ 27 V | ✓ |
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 100 mA | 1.1 V @ 100 mA | ✓ |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | ✓ |
| Package / Case | SC-76, SOD-323 | SC-76, SOD-323 | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) & Digi-Reel® | Different |
| Manufacturer | Nexperia USA Inc. | Nexperia USA Inc. | ✓ |
| Product Status | Active | Active | ✓ |
Engineering Selection Recommendations
Both the PDZ36B-QX and PDZ36B,115 are active products manufactured by Nexperia USA Inc. and maintain full compliance with ROHS3 and REACH requirements. Both components carry AEC-Q101 automotive qualification and are suitable for applications requiring automotive-grade Zener diodes.
Selection between these parts should be based on packaging and supply chain requirements:
- PDZ36B-QX: Select when Tape & Reel packaging is required for automated assembly processes or when existing inventory management systems specify TR format.
- PDZ36B,115: Select when Cut Tape or Digi-Reel® packaging is required, or when this format provides superior supply availability or cost efficiency for the application.
Both parts are electrically and mechanically interchangeable at the component level. PCB footprint, solder reflow profiles, and circuit performance remain identical between the two options.
Frequently Asked Questions (FAQ)
Q: Are the PDZ36B-QX and PDZ36B,115 electrically identical?
A: Yes. Both components share identical electrical specifications including 36 V nominal Zener voltage, ±2% tolerance, 400 mW maximum power dissipation, 60 Ohms maximum impedance, and identical forward and reverse leakage characteristics.
Q: What is the difference between these two parts?
A: The primary difference is packaging format. The PDZ36B-QX is supplied in Tape & Reel (TR) configuration, while the PDZ36B,115 is supplied in Cut Tape (CT) and Digi-Reel® format. Both use the SOD-323 package.
Q: Can I use PDZ36B,115 in place of PDZ36B-QX in my circuit design?
A: Yes. The components are functionally equivalent and will perform identically in circuit applications. Packaging format does not affect electrical performance or PCB mounting compatibility.
Q: Are both parts automotive qualified?
A: Yes. Both the PDZ36B-QX and PDZ36B,115 carry AEC-Q101 automotive qualification and are suitable for automotive applications.
Q: Do both parts meet RoHS compliance requirements?
A: Yes. Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.
Q: What is the moisture sensitivity level for these parts?
A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
Q: Can I substitute these parts without redesigning my PCB?
A: Yes. Both parts use the identical SOD-323 package and surface mount configuration, requiring no PCB layout modifications.
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