AMMSZ5244A-HF Equivalent & Substitute Parts

Part Overview

The AMMSZ5244A-HF is a Zener diode manufactured by Comchip Technology, rated at 14 V nominal with 500 mW power dissipation capability in a surface mount SOD-123 package. This component is classified as Active product status and carries AEC-Q101 automotive qualification. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical packaging, and compliance certifications to ensure direct functional interchangeability in circuit applications.

Substiute Parts

AMMSZ5244A-HF

Comchip TechnologyIn Stock: 1017AMMSZ5244A-HF Datasheet

Current PartRFQ

MMSZ5244A_R1_00001

Panjit International Inc.In Stock: 4450MMSZ5244A_R1_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AMMSZ5244A-HF are identified through parametric equivalence. The substitution logic is based on the following critical parameters that must match exactly:

• Voltage - Zener (Nom): 14 V
• Tolerance: ±2%
• Power - Max: 500 mW
• Impedance (Max): 15 Ohms
• Current - Reverse Leakage @ Vr: 500 nA @ 10.5 V
• Operating Temperature Range: -50°C to 150°C
• Package / Case: SOD-123
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Parts meeting all these parameters are classified as parametric equivalents and are suitable for direct substitution without circuit redesign.

Parameter Comparison

Engineering Selection Recommendations

The MMSZ5244A_R1_00001 manufactured by Panjit International Inc. is a parametric equivalent to the AMMSZ5244A-HF. Both components are Active product status and comply with ROHS3 environmental standards. The Panjit part carries identical electrical specifications across all critical parameters: 14 V nominal Zener voltage, ±2% tolerance, 500 mW maximum power dissipation, 15 Ohms maximum impedance, and matching reverse leakage characteristics. Both components operate across the same temperature range (-50°C to 150°C) and are packaged in SOD-123 surface mount configuration with MSL 1 rating.

The primary distinction between the two parts is manufacturer origin. The AMMSZ5244A-HF carries AEC-Q101 automotive qualification, while the Panjit equivalent does not list this certification in the provided parameters. Selection between these parts should be based on supply chain availability, inventory levels, and specific automotive qualification requirements for the application.

Frequently Asked Questions (FAQ)

Q: Can MMSZ5244A_R1_00001 be used as a direct replacement for AMMSZ5244A-HF?

A: Yes. The MMSZ5244A_R1_00001 meets all parametric requirements for direct substitution. Both parts share identical Zener voltage (14 V), tolerance (±2%), power rating (500 mW), impedance (15 Ohms), reverse leakage characteristics, operating temperature range, and SOD-123 packaging. No circuit modifications are required.

Q: Are there differences in automotive qualification between these parts?

A: The AMMSZ5244A-HF carries AEC-Q101 automotive qualification. The MMSZ5244A_R1_00001 does not list this certification in the provided specifications. Applications requiring AEC-Q101 compliance should specify the Comchip part.

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

A: Yes. Both the AMMSZ5244A-HF and MMSZ5244A_R1_00001 carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

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 and electrical compatibility on printed circuit boards without requiring layout modifications.

Q: Are both parts RoHS compliant?

A: Yes. Both the AMMSZ5244A-HF and MMSZ5244A_R1_00001 are ROHS3 compliant, meeting environmental and hazardous substance restrictions.

Q: What inventory levels are available for each part?

A: The AMMSZ5244A-HF has 967 pieces in stock. The MMSZ5244A_R1_00001 has 4416 pieces in stock. Availability may influence substitution decisions based on project timelines and supply requirements.