AMMSZ5229A-HF Zener Diode Equivalent & Substitute Parts

Part Overview

The AMMSZ5229A-HF is a surface mount silicon zener diode manufactured by Comchip Technology, rated at 4.3 V nominal zener voltage with 500 mW maximum power dissipation in SOD-123 package. This component is classified as Active product status and carries AEC-Q101 automotive qualification. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package and performance envelope, enabling procurement flexibility and supply chain continuity.

Substiute Parts

AMMSZ5229A-HF

Comchip TechnologyIn Stock: 850AMMSZ5229A-HF Datasheet

Current PartRFQ

MMSZ5229A_R1_00001

Panjit International Inc.In Stock: 10177MMSZ5229A_R1_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AMMSZ5229A-HF are identified based on strict equivalence of the following critical parameters:

• Zener voltage nominal rating: 4.3 V
• Voltage tolerance: ±2.09%
• Maximum power dissipation: 500 mW
• Maximum impedance: 22 Ohms
• Reverse leakage current: 5 µA @ 1 V
• Operating temperature range: -50°C to 150°C
• Package type: SOD-123 surface mount
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1 (Unlimited)

Parts meeting all these specifications are classified as parametric equivalents and may be substituted in applications where the AMMSZ5229A-HF is specified, provided that procurement, qualification, and supply chain requirements are satisfied.

Parameter Comparison

Engineering Selection Recommendations

The MMSZ5229A_R1_00001 manufactured by Panjit International Inc. is a parametric equivalent to the AMMSZ5229A-HF. Both components are Active product status and maintain identical electrical specifications across all critical parameters including zener voltage, power rating, impedance, leakage current, and operating temperature range. Both components are packaged in SOD-123 surface mount configuration and comply with ROHS3 standards with MSL 1 moisture sensitivity rating.

Selection between these parts is determined by procurement availability, supply chain requirements, and component qualification status within the end application. The Panjit part carries higher current inventory (10,089 pcs) compared to the Comchip part (763 pcs), which may influence lead time and availability considerations. Both parts are suitable for direct substitution where electrical and mechanical compatibility is required.

Frequently Asked Questions (FAQ)

Q: Can MMSZ5229A_R1_00001 be used as a direct replacement for AMMSZ5229A-HF?

A: Yes. Both components share identical zener voltage (4.3 V), tolerance (±2.09%), power rating (500 mW), impedance (22 Ohms), reverse leakage current (5 µA @ 1 V), operating temperature range (-50°C to 150°C), and SOD-123 package configuration. All critical electrical and mechanical parameters match.

Q: Are there any differences in compliance or qualification between these parts?

A: The AMMSZ5229A-HF carries AEC-Q101 automotive qualification. The MMSZ5229A_R1_00001 specifications provided do not include AEC-Q101 notation. If automotive qualification is a requirement for the end application, this distinction must be verified with the manufacturer or supplier before substitution.

Q: What is the significance of the SOD-123 package for substitution?

A: SOD-123 is a standardized surface mount package for small signal diodes. Both parts use this identical package, ensuring mechanical compatibility in PCB layout, reflow soldering processes, and board assembly procedures. No design changes are required for package substitution.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both the AMMSZ5229A-HF and MMSZ5229A_R1_00001 carry MSL 1 (Unlimited) moisture sensitivity level, indicating no moisture-related storage or handling restrictions.

Q: What is the difference between the base product numbers AMMSZ5229 and MMSZ5229?

A: The base product numbers reflect different manufacturer designations. AMMSZ5229 is the Comchip base series, while MMSZ5229 is the Panjit base series. The suffix designations (-A, _R1_00001) indicate specific variants within each manufacturer's product line. Both resolve to identical electrical specifications for the 4.3 V zener rating.

Q: Are both parts RoHS compliant?

A: Yes. Both the AMMSZ5229A-HF and MMSZ5229A_R1_00001 are ROHS3 compliant, meeting current environmental and hazardous substance restrictions.