PDZ22B-QX Zener Diode Equivalent & Substitute Parts

Part Overview

The PDZ22B-QX is a 22 V, 400 mW Zener diode manufactured by Nexperia USA Inc. in SOD-323 surface mount packaging. This component is classified as an active product with AEC-Q101 automotive qualification and ROHS3 compliance. Substitute parts are identified based on matching electrical specifications and mechanical compatibility to ensure functional equivalence in circuit applications.

Substiute Parts

PDZ22B-QX

Nexperia USA Inc.In Stock: 1176PDZ22B-QX Datasheet

Current PartRFQ

PDZ22B,115

Nexperia USA Inc.In Stock: 5808PDZ22B,115 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PDZ22B-QX are identified through parametric equivalence. The following electrical and mechanical parameters determine substitution eligibility:

Critical Matching Parameters:

• Voltage - Zener (Nom): 22 V
• Tolerance: ±2%
• Power - Max: 400 mW
• Impedance (Max): 25 Ohms
• Current - Reverse Leakage @ Vr: 50 nA @ 17 V
• Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 100 mA
• Operating Temperature: 150°C (TJ)
• Package / Case: SC-76, SOD-323
• Mounting Type: Surface Mount

All substitute parts listed maintain identical electrical performance characteristics and physical form factor compatibility with the main part number PDZ22B-QX.

Parameter Comparison

Engineering Selection Recommendations

Both PDZ22B-QX and PDZ22B,115 are active products manufactured by Nexperia USA Inc. with identical electrical specifications and mechanical compatibility. Selection between these part numbers is based on availability and supply chain requirements.

The PDZ22B-QX carries automotive grade qualification (AEC-Q101), which is applicable for automotive circuit protection applications. The PDZ22B,115 maintains equivalent electrical performance and compliance status (ROHS3 and REACH Unaffected).

Both components are suitable for direct substitution in 22 V Zener diode applications requiring 400 mW power dissipation in SOD-323 surface mount packaging.

Frequently Asked Questions (FAQ)

Q: Can PDZ22B,115 be used as a direct replacement for PDZ22B-QX?

A: Yes. Both parts share identical electrical specifications including 22 V nominal Zener voltage, ±2% tolerance, 400 mW maximum power, and 25 Ohms maximum impedance. Both use SOD-323 surface mount packaging and are compatible with the same PCB footprints and circuit designs.

Q: Are there differences in automotive qualification between these parts?

A: The PDZ22B-QX is specified with AEC-Q101 automotive qualification. The PDZ22B,115 does not list automotive grade designation in the provided specifications. For applications requiring explicit automotive qualification, PDZ22B-QX is the appropriate selection.

Q: Do these parts have different moisture sensitivity requirements?

A: No. Both PDZ22B-QX and PDZ22B,115 have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are the forward voltage characteristics identical?

A: Yes. Both parts specify maximum forward voltage of 1.1 V at 100 mA forward current, ensuring equivalent performance in forward-biased circuit conditions.

Q: What is the reverse leakage current specification?

A: Both parts specify 50 nanoamperes maximum reverse leakage current measured at 17 V reverse bias, indicating identical leakage performance.

Q: Are both parts RoHS compliant?

A: Yes. Both PDZ22B-QX and PDZ22B,115 are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.