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PDZ12B-QF Equivalent & Substitute Parts
Part Overview
The PDZ12B-QF is a Zener diode manufactured by Nexperia USA Inc., designed for voltage regulation and protection applications in electronic circuits. This surface mount component operates at a nominal Zener voltage of 12 V with a maximum power dissipation of 400 mW. The part is currently in active production status and carries automotive-grade qualification under AEC-Q101 standards.
Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across different packaging formats or supplier configurations. The PDZ12B-QF is available in Tape & Reel packaging; alternative configurations may be required based on procurement, inventory, or assembly process requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nominal) | 12 | V |
| Tolerance | ±2 | % |
| Power - Maximum | 400 | mW |
| Impedance (Maximum) | 10 | Ohms |
| Current - Reverse Leakage @ 9 V | 100 | nA |
| Voltage - Forward (Maximum) @ 100 mA | 1.1 | V |
| Operating Temperature (Junction) | 150 | °C |
| 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 PDZ12B-QF is determined by strict equivalence across the following electrical and mechanical parameters:
Electrical Equivalence Criteria:
- Voltage - Zener (Nominal): 12 V
- Tolerance: ±2%
- Power - Maximum: 400 mW
- Impedance (Maximum): 10 Ohms
- Current - Reverse Leakage @ 9 V: 100 nA
- Voltage - Forward (Maximum) @ 100 mA: 1.1 V
- Operating Temperature (Junction): 150°C
Mechanical Equivalence Criteria:
- Package / Case: SC-76, SOD-323
- Mounting Type: Surface Mount
- Supplier Device Package: SOD-323
Compliance Equivalence Criteria:
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- Product Status: Active
The PDZ12B,115 is identified as a parametric equivalent to the PDZ12B-QF. Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications and package geometry. The primary distinction is packaging format: PDZ12B-QF is supplied in Tape & Reel (TR) configuration, while PDZ12B,115 is supplied in Cut Tape (CT) & Digi-Reel® configuration. Both formats are suitable for automated assembly processes and maintain full electrical and mechanical compatibility.
Parameter Comparison
| Parameter | PDZ12B-QF (Main Part) | PDZ12B,115 (Substitute) | Match |
|---|---|---|---|
| Manufacturer | Nexperia USA Inc. | Nexperia USA Inc. | ✓ |
| Category | Diodes, Zener | Diodes, Zener | ✓ |
| Voltage - Zener (Nominal) | 12 V | 12 V | ✓ |
| Tolerance | ±2% | ±2% | ✓ |
| Power - Maximum | 400 mW | 400 mW | ✓ |
| Impedance (Maximum) | 10 Ohms | 10 Ohms | ✓ |
| Current - Reverse Leakage @ 9 V | 100 nA | 100 nA | ✓ |
| Voltage - Forward (Maximum) @ 100 mA | 1.1 V | 1.1 V | ✓ |
| Operating Temperature (Junction) | 150°C | 150°C | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| Package / Case | SC-76, SOD-323 | SC-76, SOD-323 | ✓ |
| Supplier Device Package | SOD-323 | SOD-323 | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| REACH Status | REACH Unaffected | REACH Unaffected | ✓ |
| Product Status | Active | Active | ✓ |
| Packaging Format | Tape & Reel (TR) | Cut Tape (CT) & Digi-Reel® | Different |
Engineering Selection Recommendations
PDZ12B,115 as Direct Substitute:
The PDZ12B,115 is a direct electrical and mechanical equivalent to the PDZ12B-QF. Both parts maintain identical performance specifications across all critical parameters: Zener voltage, tolerance, power rating, impedance, leakage current, forward voltage, and operating temperature range. Both components are manufactured by Nexperia USA Inc., carry active product status, and meet ROHS3 compliance and AEC-Q101 automotive qualification requirements.
The distinction between these parts is packaging format only. The PDZ12B-QF is supplied in standard Tape & Reel format, while the PDZ12B,115 is supplied in Cut Tape & Digi-Reel® format. Both formats are compatible with automated surface mount assembly equipment and do not affect circuit performance or reliability.
Selection between these two part numbers should be based on procurement availability, inventory requirements, and assembly process specifications. No electrical re-qualification or circuit redesign is required when substituting between these parts.
Frequently Asked Questions (FAQ)
Q: Can PDZ12B,115 be used as a direct replacement for PDZ12B-QF in production?
A: Yes. The PDZ12B,115 is electrically and mechanically identical to the PDZ12B-QF. Both parts share the same Zener voltage (12 V), tolerance (±2%), power rating (400 mW), impedance (10 Ohms), and package geometry (SOD-323). The only difference is the packaging format: Tape & Reel versus Cut Tape & Digi-Reel®. Both formats are compatible with standard surface mount assembly processes.
Q: Are there any compliance or certification differences between PDZ12B-QF and PDZ12B,115?
A: No. Both parts carry identical compliance certifications: ROHS3 compliance, REACH Unaffected status, and AEC-Q101 automotive qualification. Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special storage or handling requirements.
Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel® packaging?
A: Tape & Reel (TR) packaging supplies components on a continuous reel of carrier tape, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® packaging supplies components on cut segments of carrier tape or on Digi-Reel® format, suitable for lower-volume production or mixed-component assembly. Both formats are compatible with standard pick-and-place equipment. The choice between formats depends on production volume, assembly line configuration, and inventory management practices.
Q: Can PDZ12B-QF and PDZ12B,115 be mixed in the same circuit board assembly?
A: Yes. Since both parts are electrically and mechanically identical, they can be used interchangeably within the same circuit design and assembly process without any impact on circuit performance or reliability.
Q: What inventory considerations apply when selecting between these parts?
A: PDZ12B-QF is available with 805 pieces in stock, while PDZ12B,115 is available with 5313 pieces in stock. Selection should account for project lead times, volume requirements, and supplier inventory levels. Both parts are in active production status and are available from the same manufacturer.
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