AMMSZ5260A-HF Equivalent & Substitute Parts

Part Overview

The AMMSZ5260A-HF is a surface mount silicon zener diode manufactured by Comchip Technology, rated at 43 V nominal zener voltage with 500 mW maximum power dissipation. This component operates across the automotive temperature range of -50°C to 150°C and carries AEC-Q101 qualification, making it suitable for automotive and industrial applications requiring voltage regulation and transient protection.

The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent substitute parts are identified based on matching electrical specifications and mechanical compatibility to ensure direct functional replacement in circuit designs.

Substiute Parts

AMMSZ5260A-HF

Comchip TechnologyIn Stock: 775AMMSZ5260A-HF Datasheet

Current PartRFQ

MMSZ5260A_R1_00001

Panjit International Inc.In Stock: 3383MMSZ5260A_R1_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AMMSZ5260A-HF is determined by strict equivalence across the following critical parameters:

• Zener Voltage (Vz): 43 V nominal with ±2% tolerance
• Power Rating: 500 mW maximum dissipation
• Package Type: SOD-123 surface mount configuration
• Impedance (Zzt): 93 Ohms maximum
• Reverse Leakage Current: 100 nA @ 33 V
• Forward Voltage: 900 mV maximum @ 10 mA
• Temperature Range: -50°C to 150°C junction temperature
• Compliance: ROHS3 compliance and MSL 1 rating

The MMSZ5260A_R1_00001 manufactured by Panjit International Inc. meets all specified electrical and mechanical parameters, enabling direct functional replacement in applications requiring the AMMSZ5260A-HF.

Parameter Comparison

Engineering Selection Recommendations

The MMSZ5260A_R1_00001 from Panjit International Inc. is a direct parametric equivalent to the AMMSZ5260A-HF. Both components share identical electrical specifications across all critical parameters: 43 V zener voltage, ±2% tolerance, 500 mW power rating, 93 Ohms impedance, and 100 nA reverse leakage current. Both operate across the full -50°C to 150°C temperature range and are packaged in SOD-123 surface mount configuration.

Both parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with modern manufacturing processes and storage requirements. The MMSZ5260A_R1_00001 is currently in active production status with higher inventory availability (3362 pieces) compared to the AMMSZ5260A-HF (764 pieces), making it a viable alternative for supply chain continuity.

Selection between these two parts should be based on availability, lead time, and supplier preference, as electrical and mechanical performance are equivalent.

Frequently Asked Questions (FAQ)

Q: Can the MMSZ5260A_R1_00001 be used as a direct replacement for the AMMSZ5260A-HF?

A: Yes. Both components share identical zener voltage (43 V), tolerance (±2%), power rating (500 mW), impedance (93 Ohms), reverse leakage current (100 nA @ 33 V), operating temperature range (-50°C to 150°C), and SOD-123 package configuration. They are functionally equivalent for circuit applications.

Q: Are there any package or mounting differences between these parts?

A: No. Both the AMMSZ5260A-HF and MMSZ5260A_R1_00001 use the SOD-123 surface mount package with identical mechanical dimensions and pin configuration, enabling direct PCB placement without layout modifications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both components are ROHS3 compliant and carry MSL 1 (unlimited moisture sensitivity) rating. The AMMSZ5260A-HF additionally carries AEC-Q101 automotive qualification; this specification is not provided for the MMSZ5260A_R1_00001 in the available data.

Q: What parameters determine substitution eligibility for zener diodes in this voltage class?

A: Substitution eligibility is determined by matching zener voltage (Vz), tolerance, maximum power dissipation, impedance (Zzt), reverse leakage current, forward voltage characteristics, operating temperature range, and package type. All these parameters must align within specified tolerances for functional equivalence.

Q: Is there a difference in reverse leakage current between these parts?

A: No. Both components specify 100 nA reverse leakage current at 33 V, ensuring identical leakage performance in circuit applications.

Q: Can these parts be used interchangeably in automotive applications?

A: The AMMSZ5260A-HF carries explicit AEC-Q101 automotive qualification. The MMSZ5260A_R1_00001 meets equivalent electrical specifications but does not list AEC-Q101 qualification in the provided data. Application requirements should determine whether automotive qualification is mandatory.