PDZ11BF Equivalent & Substitute Parts

Part Overview

The PDZ11BF is an active Zener diode manufactured by Nexperia USA Inc., designed for voltage regulation and protection applications. This surface mount component operates at a nominal Zener voltage of 11.22 V with 400 mW power dissipation capability. The part is packaged in SOD-323 (SC-76) format and is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Substiute Parts

PDZ11BF

Nexperia USA Inc.In Stock: 10961PDZ11BF Datasheet

Current PartRFQ

PDZ11BZ

Nexperia USA Inc.In Stock: 31005PDZ11BZ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PDZ11BF is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part PDZ11BZ qualifies as a direct equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Nominal Zener voltage: 11.22 V
• Voltage tolerance: ±2%
• Maximum power dissipation: 400 mW
• Maximum impedance: 60 Ohms
• Reverse leakage current: 100 nA @ 8 V
• Forward voltage: 900 mV @ 10 mA
• Operating temperature range: 150°C (TJ)

Mechanical Parameters (Must Match Exactly):

• Package type: SOD-323 (SC-76)
• Mounting type: Surface Mount
• Supplier device package: SOD-323

Compliance & Status (Must Match):

• Product status: Active
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: MSL 1 (Unlimited)
• REACH status: REACH Unaffected

Parameter Comparison

Engineering Selection Recommendations

The PDZ11BZ is a direct parametric equivalent to the PDZ11BF. Both components are manufactured by Nexperia USA Inc. and share identical electrical specifications, mechanical packaging, and compliance certifications.

Selection Basis:

Both parts maintain Active product status, ensuring long-term availability and manufacturer support. Both are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for industrial and commercial applications. The MSL 1 rating (unlimited moisture sensitivity) indicates both parts are suitable for standard storage and handling conditions without special precautions.

The PDZ11BZ currently maintains higher inventory availability (30,931 pcs) compared to the PDZ11BF (10,895 pcs), making it a viable alternative for supply chain optimization without compromising design specifications or performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can PDZ11BZ be used as a direct replacement for PDZ11BF in existing designs?

A: Yes. The PDZ11BZ is a direct parametric equivalent with identical electrical characteristics, voltage regulation performance, power dissipation capability, and SOD-323 package specifications. No circuit modifications are required.

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

A: No. Both parts operate at the same maximum junction temperature of 150°C and have identical maximum power dissipation of 400 mW.

Q: Do both parts meet the same compliance standards?

A: Yes. Both PDZ11BF and PDZ11BZ are ROHS3 compliant, REACH unaffected, and carry identical MSL 1 ratings.

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

A: The ±2% tolerance indicates the maximum deviation of the nominal Zener voltage from the specified 11.22 V value. Both parts maintain this tolerance, ensuring consistent voltage regulation performance across production batches.

Q: Are there any packaging or handling differences?

A: No. Both parts are supplied in Tape & Reel (TR) format with SOD-323 surface mount packaging. Handling, storage, and assembly procedures are identical.

Q: What does the 60 Ohm impedance specification indicate?

A: The maximum impedance of 60 Ohms defines the dynamic resistance of the Zener diode in the reverse breakdown region. Both parts maintain this specification, ensuring predictable voltage regulation under varying load conditions.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Yes. Both parts are Active products from the same manufacturer with identical specifications and compliance certifications, making them suitable for interchangeable use in high-reliability designs.