BZT52H-C22,115 Equivalent & Substitute Parts

Part Overview

The BZT52H-C22,115 is an automotive-grade Zener diode manufactured by Nexperia USA Inc., rated at 22 V nominal with 375 mW power dissipation capability. This surface mount component in SOD-123F packaging is designed for voltage regulation and protection applications in automotive and industrial circuits. The part maintains Active product status with full AEC-Q101 automotive qualification and ROHS3 compliance.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining functional compatibility in the target application circuit. Substitution becomes necessary due to inventory availability, supply chain constraints, or packaging format requirements.

Substiute Parts

BZT52H-C22,115

Nexperia USA Inc.In Stock: 3729BZT52H-C22,115 Datasheet

Current PartRFQ

BZT52H-B22,115

NXP USA Inc.In Stock: 318990BZT52H-B22,115 Datasheet

Parametric EquivalentRFQ

BZT52C22-TP

Micro Commercial CoIn Stock: 3646BZT52C22-TP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the BZT52H-C22,115 are classified based on electrical parameter compatibility within defined tolerance windows. The substitution logic is determined by the following critical parameters:

Primary Matching Criteria:

• Zener voltage nominal rating: 22 V
• Package type: SOD-123F or SOD-123 (mechanically compatible surface mount packages)
• Operating temperature range: -65°C to 150°C minimum
• Forward voltage: 900 mV maximum @ 10 mA

Secondary Compatibility Factors:

• Power dissipation capacity: 375 mW or greater
• Impedance specification: 25 Ohms or lower
• Reverse leakage current: 50 nA @ 15.4 V or lower
• Voltage tolerance: ±5% or tighter

Parametric Equivalent Classification: The BZT52H-B22,115 qualifies as a parametric equivalent with identical electrical performance specifications and automotive qualification, differing only in packaging format (Bulk vs. Tape & Reel) and voltage tolerance (±2% vs. ±5%).

Similar Part Classification: The BZT52C22-TP qualifies as a similar substitute with matching 22 V zener voltage and compatible package family (SOD-123), though with reduced power rating (200 mW vs. 375 mW) and higher impedance (55 Ohms vs. 25 Ohms).

Parameter Comparison

Engineering Selection Recommendations

BZT52H-B22,115 (Parametric Equivalent): This part is suitable for direct substitution in applications where the BZT52H-C22,115 is specified. Both components share identical electrical performance, automotive qualification (AEC-Q101), and operating temperature range. The BZT52H-B22,115 offers tighter voltage tolerance (±2% vs. ±5%), which may provide improved circuit performance in precision voltage regulation applications. Selection between these parts is determined by packaging availability (Bulk vs. Tape & Reel) and procurement requirements.

BZT52C22-TP (Similar Substitute): This part provides functional substitution for applications where power dissipation requirements do not exceed 200 mW. The BZT52C22-TP maintains the 22 V zener voltage specification and compatible surface mount package family (SOD-123). However, the reduced power rating and increased impedance (55 Ohms vs. 25 Ohms) require circuit-level evaluation to confirm suitability. This part lacks specified automotive qualification and AEC-Q101 certification, limiting its use to non-automotive applications or applications where automotive qualification is not mandated.

Selection Criteria:

• For automotive applications requiring AEC-Q101 compliance: BZT52H-C22,115 or BZT52H-B22,115
• For applications with power dissipation below 200 mW: BZT52C22-TP is acceptable if automotive qualification is not required
• For improved voltage regulation precision: BZT52H-B22,115 (±2% tolerance)
• For standard tolerance applications: BZT52H-C22,115 (±5% tolerance)

Frequently Asked Questions (FAQ)

Q: Can BZT52H-B22,115 be used as a direct replacement for BZT52H-C22,115?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, automotive qualification, and operating temperature range. The primary difference is packaging format (Bulk vs. Tape & Reel) and voltage tolerance (±2% vs. ±5%). Selection depends on procurement and assembly requirements.

Q: What are the limitations of using BZT52C22-TP as a substitute?

A: The BZT52C22-TP has reduced power dissipation (200 mW vs. 375 mW) and higher impedance (55 Ohms vs. 25 Ohms). It is suitable only for applications where power dissipation remains below 200 mW. Additionally, this part lacks AEC-Q101 automotive qualification, restricting its use to non-automotive applications.

Q: Are the SOD-123F and SOD-123 packages mechanically compatible?

A: Both SOD-123F and SOD-123 are surface mount packages with compatible footprints and lead configurations. However, verify PCB layout and assembly specifications to confirm compatibility with your specific design.

Q: Does the ±2% tolerance of BZT52H-B22,115 provide measurable benefits over the ±5% tolerance of BZT52H-C22,115?

A: The ±2% tolerance provides tighter voltage regulation, resulting in a zener voltage range of 21.56 V to 22.44 V compared to 20.9 V to 23.1 V for the ±5% part. This is beneficial in precision voltage regulation circuits where voltage stability is critical.

Q: Can BZT52C22-TP be used in automotive applications?

A: The BZT52C22-TP lacks specified automotive qualification and AEC-Q101 certification. Use in automotive applications requires verification that the application does not mandate automotive-grade components or compliance with automotive qualification standards.

Q: What is the impact of higher impedance in BZT52C22-TP?

A: Higher impedance (55 Ohms vs. 25 Ohms) results in increased dynamic resistance, affecting voltage regulation performance under varying load conditions. This may impact circuit performance in applications requiring stable voltage output across a wide current range.

Q: Are all substitute parts ROHS3 compliant?

A: BZT52H-C22,115 and BZT52C22-TP are specified as ROHS3 compliant. BZT52H-B22,115 ROHS status is not specified in the provided data.

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

A: BZT52H-C22,115 and BZT52C22-TP are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. BZT52H-B22,115 moisture sensitivity level is not specified in the provided data.