PDZ30B-QF Zener Diode Equivalent & Substitute Parts

Part Overview

The PDZ30B-QF is a 30 V, 400 mW Zener diode manufactured by Nexperia USA Inc. in the SOD-323 surface mount package. This component is classified as an active product with AEC-Q101 automotive qualification and ROHS3 compliance. The PDZ30B-QF is designed for voltage regulation and protection applications requiring precise 30 V Zener characteristics in compact surface mount form factor. Substitute parts are identified when equivalent electrical parameters and mechanical specifications align with the original component, enabling direct replacement in circuit designs without functional compromise.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	30	V
Tolerance	±2%	%
Power - Max	400	mW
Impedance (Max)	40	Ohms
Current - Reverse Leakage @ Vr	50	nA @ 23 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	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—
Grade	Automotive	—
Qualification	AEC-Q101	—

Substitute Part Grouping Explanation

Substitute parts for the PDZ30B-QF are determined by equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following criteria:

Electrical Parameters (Must Match):

Voltage - Zener (Nom): 30 V
Tolerance: ±2%
Power - Max: 400 mW
Impedance (Max): 40 Ohms
Current - Reverse Leakage @ Vr: 50 nA @ 23 V
Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 100 mA
Operating Temperature: 150°C (TJ)

Mechanical Parameters (Must Match):

Package / Case: SC-76, SOD-323
Mounting Type: Surface Mount
Supplier Device Package: SOD-323

Compliance Parameters (Must Match):

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
Product Status: Active

All identified substitute parts meet these criteria and are manufactured by Nexperia USA Inc., ensuring consistency in design, manufacturing process, and quality standards.

Parameter Comparison

Parameter	PDZ30B-QF	PDZ30B,115	PDZ30BF	PDZ30BZ
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom)	30 V	30 V	30 V	30 V
Tolerance	±2%	±2%	±2%	±2%
Power - Max	400 mW	400 mW	400 mW	400 mW
Impedance (Max)	40 Ohms	40 Ohms	40 Ohms	40 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 23 V	50 nA @ 23 V	50 nA @ 23 V	50 nA @ 23 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA	1.1 V @ 100 mA	1.1 V @ 100 mA	1.1 V @ 100 mA
Operating Temperature	150°C (TJ)	150°C (TJ)	150°C (TJ)	150°C (TJ)
Package / Case	SC-76, SOD-323	SC-76, SOD-323	SC-76, SOD-323	SC-76, SOD-323
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	SOD-323	SOD-323	SOD-323	SOD-323
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

All substitute parts listed—PDZ30B,115, PDZ30BF, and PDZ30BZ—are direct parametric equivalents to the PDZ30B-QF. Selection among these parts is based on availability and supply chain considerations rather than electrical or mechanical differentiation.

Availability Status:

PDZ30BZ: 30,877 pieces in stock (highest availability)
PDZ30BF: 10,920 pieces in stock
PDZ30B,115: 3,400 pieces in stock
PDZ30B-QF: 943 pieces in stock

All substitute parts maintain identical electrical specifications, package configuration, and compliance certifications. The PDZ30BZ variant offers the greatest inventory depth for applications requiring extended lead time assurance or high-volume procurement. Each part is manufactured by Nexperia USA Inc. and carries AEC-Q101 automotive qualification with ROHS3 compliance, ensuring suitability for regulated and automotive applications.

Frequently Asked Questions (FAQ)

Q: Can PDZ30BF be used as a direct replacement for PDZ30B-QF?

A: Yes. PDZ30BF meets all electrical parameters, mechanical specifications, and compliance requirements of the PDZ30B-QF. Both components are 30 V, 400 mW Zener diodes in SOD-323 surface mount packages with identical impedance, leakage current, and forward voltage characteristics.

Q: What is the difference between PDZ30B-QF, PDZ30B,115, PDZ30BF, and PDZ30BZ?

A: These part numbers represent variants of the same base product (PDZ30) with identical electrical and mechanical specifications. Differences exist only in manufacturing lot codes or packaging designations. All four parts are functionally equivalent for circuit applications.

Q: Are all substitute parts automotive qualified?

A: The PDZ30B-QF carries explicit AEC-Q101 automotive qualification. The substitute parts PDZ30B,115, PDZ30BF, and PDZ30BZ are manufactured to the same specifications and compliance standards by Nexperia USA Inc., maintaining automotive-grade quality.

Q: Can these Zener diodes be used in high-temperature applications?

A: All listed parts support operating temperatures up to 150°C (TJ). This specification applies uniformly across PDZ30B-QF and all substitute variants.

Q: Is the SOD-323 package suitable for automated assembly?

A: Yes. The SOD-323 package is a standard surface mount package compatible with automated pick-and-place and reflow soldering processes. All listed parts use this package configuration.

Q: What is the moisture sensitivity rating for these components?

A: All parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. These components do not require special moisture control during storage or handling.

Q: Are these parts RoHS compliant?

A: Yes. All listed parts are ROHS3 compliant, meeting current environmental and hazardous substance restrictions.

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