PDZ33B-QF Equivalent & Substitute Parts

Part Overview

The PDZ33B-QF is a 33 V Zener diode manufactured by Nexperia USA Inc., designed for surface mount applications in the SOD-323 package. This component is classified as an active product and is AEC-Q101 qualified for automotive applications. The PDZ33B-QF serves as a voltage regulation and transient protection element in electronic circuits requiring precise 33 V reference voltage control. Substitute parts are identified to provide design flexibility, inventory optimization, and supply chain continuity while maintaining electrical and mechanical compatibility.

Substiute Parts

PDZ33B-QF

Nexperia USA Inc.In Stock: 875PDZ33B-QF Datasheet

Current PartRFQ

PDZ33B,115

Nexperia USA Inc.In Stock: 2353PDZ33B,115 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PDZ33B-QF are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Primary Matching Parameters:

• Voltage - Zener (Nominal): 33 V
• Tolerance: ±2%
• Power - Maximum: 400 mW
• Impedance (Maximum): 40 Ohms
• Current - Reverse Leakage @ 25 V: 50 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)

All substitute parts listed maintain identical electrical performance characteristics and physical packaging specifications, ensuring direct functional replacement without circuit redesign or board layout modification.

Parameter Comparison

Engineering Selection Recommendations

Both the PDZ33B-QF and PDZ33B,115 are active products manufactured by Nexperia USA Inc. with identical electrical specifications and packaging. Selection between these parts is based on availability and supply chain requirements rather than technical differentiation.

PDZ33B-QF is suitable for applications requiring the specific part number designation with current inventory of 801 pieces.

PDZ33B,115 is suitable for applications where alternative part number designation is acceptable, with higher current inventory of 2300 pieces available.

Both parts maintain AEC-Q101 automotive qualification, ROHS3 compliance, and REACH unaffected status. Both are classified as Grade Automotive and support unlimited moisture sensitivity handling (MSL 1). The choice between these substitutes does not impact circuit performance, thermal management, or regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can PDZ33B,115 be used as a direct replacement for PDZ33B-QF?

A: Yes. Both parts are identical in electrical performance, mechanical packaging, and compliance certifications. Direct substitution is supported without circuit modification or board layout changes.

Q: Are there differences in the SOD-323 package between these parts?

A: No. Both parts use the SC-76, SOD-323 package specification. Physical dimensions, lead spacing, and surface mount footprint are identical.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both PDZ33B-QF and PDZ33B,115 are AEC-Q101 qualified and classified as Grade Automotive, meeting automotive industry standards.

Q: What is the significance of the part number suffix difference?

A: The suffix difference (PDZ33B-QF versus PDZ33B,115) represents alternative part number designations from the same manufacturer. Both designations reference the same base product (PDZ33) with identical electrical and mechanical specifications.

Q: Are moisture handling requirements the same for both parts?

A: Yes. Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control measures are required during storage, handling, or assembly.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. The identical electrical parameters (33 V nominal, ±2% tolerance, 400 mW maximum power, 40 Ohms impedance) and physical packaging ensure interchangeable performance in all circuit applications.

Q: What compliance standards apply to both substitute parts?

A: Both parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8541.10.0050.