PDZ7.5B-QX Zener Diode Equivalent & Substitute Parts

Part Overview

The PDZ7.5B-QX is a 7.5 V Zener diode rated for 400 mW maximum power dissipation in a surface mount SOD-323 package. Manufactured by Nexperia USA Inc., this component is qualified to AEC-Q101 automotive standards and maintains Active product status. Substitute parts are identified when packaging format or supplier distribution channels differ while maintaining identical electrical specifications and compliance certifications.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nominal)	7.5	V
Tolerance	±2	%
Power - Maximum	400	mW
Impedance (Maximum)	10	Ohms
Current - Reverse Leakage @ 4 V	500	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)

Substitute Part Grouping Explanation

Substitution of the PDZ7.5B-QX with PDZ7.5B,115 is valid based on the following criteria:

Identical Electrical Specifications:

Zener voltage: 7.5 V nominal
Tolerance: ±2%
Maximum power dissipation: 400 mW
Maximum impedance: 10 Ohms
Reverse leakage current: 500 nA @ 4 V
Forward voltage: 1.1 V @ 100 mA
Junction temperature rating: 150°C

Identical Physical Specifications:

Package type: SOD-323 (SC-76)
Mounting type: Surface Mount

Identical Compliance & Certifications:

RoHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Unaffected
ECCN: EAR99
HTSUS: 8541.10.0050

Difference in Distribution Format: The primary distinction between PDZ7.5B-QX and PDZ7.5B,115 is the packaging format. PDZ7.5B-QX is supplied in Tape & Reel (TR) format, while PDZ7.5B,115 is supplied in Cut Tape (CT) & Digi-Reel® format. Both formats contain identical components with no electrical or mechanical differences.

Parameter Comparison

Parameter	PDZ7.5B-QX	PDZ7.5B,115	Match
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Yes
Category	Diodes, Zener	Diodes, Zener	Yes
Voltage - Zener (Nom)	7.5 V	7.5 V	Yes
Tolerance	±2%	±2%	Yes
Power - Max	400 mW	400 mW	Yes
Impedance (Max)	10 Ohms	10 Ohms	Yes
Current - Reverse Leakage @ Vr	500 nA @ 4 V	500 nA @ 4 V	Yes
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA	1.1 V @ 100 mA	Yes
Operating Temperature	150°C (TJ)	150°C (TJ)	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
Package / Case	SC-76, SOD-323	SC-76, SOD-323	Yes
Supplier Device Package	SOD-323	SOD-323	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes
ECCN	EAR99	EAR99	Yes
HTSUS	8541.10.0050	8541.10.0050	Yes
Product Status	Active	Active	Yes
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Different

Engineering Selection Recommendations

Both PDZ7.5B-QX and PDZ7.5B,115 are Active products manufactured by Nexperia USA Inc. with identical electrical and mechanical specifications. Selection between these parts is determined by procurement and assembly requirements rather than technical performance.

PDZ7.5B-QX (Tape & Reel format) is suitable for high-volume automated assembly operations where continuous reel feeding is required.

PDZ7.5B,115 (Cut Tape & Digi-Reel® format) is suitable for lower-volume applications, mixed-component orders, or situations where partial reel quantities are needed.

Both parts maintain AEC-Q101 automotive qualification, ROHS3 compliance, and identical electrical performance across all specified parameters. The choice between formats does not affect circuit performance, reliability, or compliance status.

Frequently Asked Questions (FAQ)

Q: Can PDZ7.5B,115 be used as a direct replacement for PDZ7.5B-QX in production?

A: Yes. Both parts are electrically and mechanically identical. The only difference is the packaging format (Tape & Reel versus Cut Tape & Digi-Reel®). Direct substitution is valid for any application where the packaging format is compatible with assembly equipment.

Q: Are there any electrical performance differences between these two part numbers?

A: No. Both parts have identical zener voltage (7.5 V), tolerance (±2%), power rating (400 mW), impedance (10 Ohms maximum), reverse leakage current (500 nA @ 4 V), and forward voltage (1.1 V @ 100 mA).

Q: Do both parts meet automotive qualification requirements?

A: The PDZ7.5B-QX carries AEC-Q101 qualification. The PDZ7.5B,115 specification does not explicitly list AEC-Q101 qualification in the provided data. Verify AEC-Q101 status with the manufacturer if automotive qualification is a requirement.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel® packaging?

A: Tape & Reel (TR) format supplies components on a continuous reel suitable for automated pick-and-place equipment. Cut Tape (CT) & Digi-Reel® format supplies components in shorter tape segments or alternative reel configurations, typically for lower-volume orders or mixed-component procurement.

Q: Can these parts be used interchangeably in the same circuit design?

A: Yes. Both parts have identical electrical specifications and the same SOD-323 package footprint. No circuit design changes are required when substituting between these part numbers.

Q: What is the moisture sensitivity level for both parts?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity precautions are required during storage or handling.

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