PDZ3.9BGWJ Zener Diode Equivalent & Substitute Parts

Part Overview

The PDZ3.9BGWJ is an automotive-grade Zener diode manufactured by Nexperia USA Inc., designed for voltage regulation and protection applications in surface mount configurations. This component is a 3.9 V, 365 mW Zener diode in SOD-123W packaging with AEC-Q101 qualification. The part maintains Active product status with 6,178 units in current inventory. Substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or equivalent performance specifications across the PDZ-GW series.

Substiute Parts

PDZ3.9BGWJ

Nexperia USA Inc.In Stock: 6211PDZ3.9BGWJ Datasheet

Current PartRFQ

PDZ3.9BGWX

Nexperia USA Inc.In Stock: 9331PDZ3.9BGWX Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PDZ3.9BGWJ is permissible with parts that maintain identical electrical and mechanical specifications across all critical parameters. The substitution logic is based on the following key parameters:

• Zener Voltage (Nominal): 3.9 V
• Voltage Tolerance: ±2%
• Maximum Power Dissipation: 365 mW
• Maximum Impedance: 90 Ohms
• Reverse Leakage Current: 3 µA @ 1 V
• Forward Voltage: 1.1 V @ 100 mA
• Package Type: SOD-123W
• Mounting Configuration: Surface Mount
• Automotive Grade: AEC-Q101 qualified
• Operating Temperature Range: 150°C (TJ)

Parts meeting all these specifications within the PDZ-GW series are classified as parametric equivalents and direct substitutes. No derating, performance trade-offs, or application re-qualification is required when substituting between parts in this grouping.

Parameter Comparison

Engineering Selection Recommendations

The PDZ3.9BGWX is a direct parametric equivalent to the PDZ3.9BGWJ. Both components are manufactured by Nexperia USA Inc. within the PDZ-GW series and maintain Active product status. Selection between these parts is based on availability and supply chain requirements rather than technical performance differentiation.

Both parts carry identical automotive-grade certification (AEC-Q101) and comply with ROHS3 and REACH regulatory requirements. The PDZ3.9BGWX currently maintains higher inventory availability (9,304 units) compared to the PDZ3.9BGWJ (6,178 units), making it suitable for high-volume production requirements or extended lead-time mitigation strategies.

No circuit re-design, thermal analysis revision, or application re-qualification is necessary when substituting between these parts. PCB layout, footprint, and assembly processes remain unchanged due to identical SOD-123W packaging and surface mount configuration.

Frequently Asked Questions (FAQ)

Q: Can PDZ3.9BGWX be used as a direct replacement for PDZ3.9BGWJ in production?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, package type, and automotive qualifications. Direct substitution is permissible without circuit modification or re-testing.

Q: Are there any differences in thermal performance between these parts?

A: No. Both parts specify identical maximum power dissipation (365 mW) and junction temperature rating (150°C). Thermal management requirements remain unchanged.

Q: Do these parts require different PCB footprints?

A: No. Both parts use SOD-123W packaging with identical mechanical dimensions and land pattern requirements. PCB layout and assembly processes are interchangeable.

Q: What is the significance of the ±2% tolerance specification?

A: The ±2% tolerance defines the acceptable variation in Zener voltage from the nominal 3.9 V specification. Both parts maintain this tolerance, ensuring consistent voltage regulation performance across the specified operating range.

Q: Are both parts suitable for automotive applications?

A: Yes. Both PDZ3.9BGWJ and PDZ3.9BGWX carry automotive-grade classification with AEC-Q101 qualification, meeting automotive industry reliability and quality standards.

Q: What does the SOD-123W package designation indicate?

A: SOD-123W is a surface mount diode package with specific mechanical dimensions optimized for automated assembly. Both parts use this identical package type, ensuring compatibility with standard pick-and-place equipment and reflow soldering processes.

Q: Are there any moisture sensitivity concerns with these parts?

A: No. Both parts carry Moisture Sensitivity Level (MSL) 1 classification, indicating unlimited shelf life without special moisture control measures during storage or handling.