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PDZ10BF Equivalent & Substitute Parts
Part Overview
The PDZ10BF is an active surface mount Zener diode manufactured by Nexperia USA Inc., designed for voltage regulation and protection applications. This component operates at a nominal Zener voltage of 10.21 V with 400 mW power dissipation capability in a compact SOD-323 package. The part is ROHS3 compliant and carries unlimited moisture sensitivity rating (MSL 1), making it suitable for standard manufacturing environments. Substitute parts are identified when inventory constraints, lead time requirements, or supply chain considerations necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nominal) | 10.21 | V |
| Tolerance | ±2 | % |
| Power - Maximum | 400 | mW |
| Impedance (Maximum) | 60 | Ohms |
| Current - Reverse Leakage @ 7V | 100 | nA |
| Voltage - Forward (Maximum) @ 10 mA | 900 | mV |
| Operating Temperature (Junction) | 150 | °C |
| Package / Case | SOD-323 | — |
| Mounting Type | Surface Mount | — |
Substitute Part Grouping Explanation
Substitution of the PDZ10BF is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part PDZ10BZ maintains identical specifications in the following key areas:
- Nominal Zener voltage: 10.21 V
- Voltage tolerance: ±2%
- Maximum power dissipation: 400 mW
- Maximum impedance: 60 Ohms
- Reverse leakage current: 100 nA @ 7 V
- Forward voltage: 900 mV @ 10 mA
- Junction temperature rating: 150°C
- Package designation: SOD-323 (SC-76)
- Surface mount configuration
Both parts are manufactured by Nexperia USA Inc., carry active product status, and meet ROHS3 compliance requirements. The substitute relationship is based on complete parametric equivalence with no deviations in electrical performance or physical form factor.
Parameter Comparison
| Parameter | PDZ10BF | PDZ10BZ | Match |
|---|---|---|---|
| Manufacturer | Nexperia USA Inc. | Nexperia USA Inc. | ✓ |
| Category | Diodes, Zener | Diodes, Zener | ✓ |
| Voltage - Zener (Nom) | 10.21 V | 10.21 V | ✓ |
| Tolerance | ±2% | ±2% | ✓ |
| Power - Max | 400 mW | 400 mW | ✓ |
| Impedance (Max) | 60 Ohms | 60 Ohms | ✓ |
| Current - Reverse Leakage @ Vr | 100 nA @ 7 V | 100 nA @ 7 V | ✓ |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA | 900 mV @ 10 mA | ✓ |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| Package / Case | SC-76, SOD-323 | SC-76, SOD-323 | ✓ |
| Product Status | Active | Active | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| REACH Status | REACH Unaffected | REACH Unaffected | ✓ |
Engineering Selection Recommendations
Both PDZ10BF and PDZ10BZ are qualified for direct substitution in applications requiring a 10.21 V Zener diode with 400 mW power handling in SOD-323 surface mount packaging. Selection between these parts should be based on availability and supply chain considerations rather than electrical or mechanical performance differences.
The PDZ10BF carries 10,815 pieces in current inventory, while the PDZ10BZ maintains 30,963 pieces in stock. Both parts maintain active product status with Nexperia USA Inc., ensuring continued manufacturing support and supply stability. Compliance certifications are identical across both variants: ROHS3 compliance, REACH unaffected status, and MSL 1 rating support deployment in standard manufacturing and storage environments without special handling requirements.
Frequently Asked Questions (FAQ)
Q: Can PDZ10BZ be used as a direct replacement for PDZ10BF in existing designs?
A: Yes. The PDZ10BZ is a parametric equivalent with identical electrical specifications, voltage rating, power dissipation, impedance characteristics, and SOD-323 package configuration. No circuit modifications or design changes are required.
Q: Are there differences in manufacturing or quality between PDZ10BF and PDZ10BZ?
A: Both parts are manufactured by Nexperia USA Inc. and carry identical compliance certifications including ROHS3, REACH unaffected status, and MSL 1 moisture sensitivity rating. No quality or reliability differences exist between the variants.
Q: What determines whether a part qualifies as a substitute for the PDZ10BF?
A: Substitution is determined by complete equivalence across all electrical parameters (Zener voltage, tolerance, power rating, impedance, leakage current, forward voltage) and mechanical specifications (package type, mounting configuration, temperature rating). Any deviation in these parameters disqualifies a part from direct substitution.
Q: Is the SOD-323 package identical between PDZ10BF and PDZ10BZ?
A: Yes. Both parts use the SC-76 designation with SOD-323 package specification, ensuring identical physical dimensions, lead configuration, and PCB footprint compatibility.
Q: What is the moisture sensitivity level for both parts?
A: Both PDZ10BF and PDZ10BZ carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Standard storage and handling procedures apply without special desiccant or controlled environment requirements.
Q: Are there any supply chain or lead time advantages to selecting one part over the other?
A: The PDZ10BZ maintains higher current inventory (30,963 pieces) compared to the PDZ10BF (10,815 pieces). This inventory difference may influence lead time and availability in supply chain scenarios, but electrical performance and application suitability remain identical.
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