AMMSZ5241A-HF Zener Diode Equivalent & Substitute Parts

Part Overview

The AMMSZ5241A-HF is an 11 V, 500 mW surface mount zener diode manufactured by Comchip Technology in SOD-123 packaging. This component is classified as an active product with AEC-Q101 automotive qualification and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical packaging, and regulatory certifications to ensure functional interchangeability in circuit applications requiring 11 V zener regulation at 500 mW power dissipation.

Substiute Parts

AMMSZ5241A-HF

Comchip TechnologyIn Stock: 724AMMSZ5241A-HF Datasheet

Current PartRFQ

MMSZ5241A_R1_00001

Panjit International Inc.In Stock: 2974MMSZ5241A_R1_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AMMSZ5241A-HF is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Zener voltage: 11 V nominal
• Tolerance: ±2%
• Maximum power dissipation: 500 mW
• Maximum impedance: 22 Ohms
• Reverse leakage current: 3 µA @ 8.4 V
• Forward voltage: 900 mV @ 10 mA

Mechanical & Environmental Specifications:

• Package type: SOD-123 surface mount
• Operating temperature range: -50°C to 150°C
• Moisture sensitivity: MSL 1 (Unlimited)

Regulatory & Compliance:

• RoHS3 compliance
• ECCN: EAR99
• HTSUS: 8541.10.0050

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes. No deviations from specified electrical or mechanical parameters are permitted for substitution classification.

Parameter Comparison

Engineering Selection Recommendations

The MMSZ5241A_R1_00001 manufactured by Panjit International Inc. is a parametric equivalent to the AMMSZ5241A-HF. Both components meet identical electrical specifications for zener voltage, power rating, impedance, and reverse leakage characteristics. Both are packaged in SOD-123 surface mount configuration and operate across the same temperature range of -50°C to 150°C.

Both parts maintain active product status and ROHS3 compliance, ensuring regulatory alignment for current and future applications. The Panjit component carries REACH Unaffected status, providing additional environmental documentation.

Selection between these two parts may be based on:

Availability: Panjit MMSZ5241A_R1_00001 inventory is 2925 pieces, compared to 2658 pieces for the Comchip AMMSZ5241A-HF.

Supply Chain Considerations: Both manufacturers are established suppliers of zener diodes. Component selection should align with existing supply chain agreements, qualification documentation, and procurement policies.

Automotive Applications: The Comchip AMMSZ5241A-HF carries explicit AEC-Q101 automotive qualification. Applications requiring automotive-grade certification should specify this part number.

Frequently Asked Questions (FAQ)

Q: Can MMSZ5241A_R1_00001 replace AMMSZ5241A-HF in all applications?

A: Yes, the MMSZ5241A_R1_00001 is a parametric equivalent meeting all specified electrical and mechanical parameters. Both components are rated for 11 V zener voltage at 500 mW power dissipation in SOD-123 packaging. However, applications requiring explicit AEC-Q101 automotive qualification should use the Comchip AMMSZ5241A-HF.

Q: Are there differences in package dimensions between these parts?

A: Both parts use SOD-123 surface mount packaging. No dimensional variations are specified in the provided data. PCB footprint compatibility is assured.

Q: What is the significance of the ±2% tolerance specification?

A: The ±2% tolerance indicates that the zener voltage will remain within the range of 10.78 V to 11.22 V across the specified operating temperature range and under rated conditions. This tolerance applies to both the Comchip and Panjit components.

Q: Do both parts support the same operating temperature range?

A: Yes, both AMMSZ5241A-HF and MMSZ5241A_R1_00001 operate from -50°C to 150°C junction temperature, ensuring thermal compatibility across industrial and automotive applications.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the lowest moisture sensitivity level. These components do not require special moisture control during storage, handling, or assembly, simplifying logistics and manufacturing processes.

Q: Are both parts RoHS compliant?

A: Yes, both components are ROHS3 compliant, meeting current environmental and hazardous substance restrictions for electronic components.