AMMSZ5262A-HF Zener Diode Equivalent & Substitute Parts

Part Overview

The AMMSZ5262A-HF is a 51 V, 500 mW surface mount zener diode manufactured by Comchip Technology in SOD-123 package. This component is classified as an active product with automotive-grade qualification (AEC-Q101) and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical packaging, and regulatory certifications to ensure direct functional interchangeability in circuit applications.

Substiute Parts

AMMSZ5262A-HF

Comchip TechnologyIn Stock: 1096AMMSZ5262A-HF Datasheet

Current PartRFQ

MMSZ5262A-AU_R1_000A1

Panjit International Inc.In Stock: 3920MMSZ5262A-AU_R1_000A1 Datasheet

Parametric EquivalentRFQ

MMSZ5262A_R1_00001

Panjit International Inc.In Stock: 3939MMSZ5262A_R1_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AMMSZ5262A-HF are identified as parametric equivalents based on the following criteria:

Electrical Parameters (Critical for Substitution):

• Zener voltage: 51 V nominal
• Tolerance: ±2%
• Maximum power dissipation: 500 mW
• Maximum impedance: 125 Ohms
• Reverse leakage current: 100 nA @ 39 V
• Operating temperature range: -50°C ~ 150°C

Mechanical Parameters (Critical for Substitution):

• Package type: SOD-123
• Mounting type: Surface Mount

Regulatory & Compliance Parameters (Critical for Substitution):

• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed match these parameters exactly, ensuring direct functional and mechanical interchangeability without circuit redesign or board layout modification.

Parameter Comparison

Engineering Selection Recommendations

MMSZ5262A-AU_R1_000A1 (Panjit International Inc.): This substitute part is a direct parametric equivalent to the AMMSZ5262A-HF. All electrical specifications, mechanical packaging, and regulatory certifications are identical. The part carries automotive-grade qualification (AEC-Q101) and ROHS3 compliance. This part is suitable for applications requiring full compliance with automotive standards and specifications.

MMSZ5262A_R1_00001 (Panjit International Inc.): This substitute part matches all critical electrical parameters and mechanical packaging specifications of the AMMSZ5262A-HF. The part is ROHS3 compliant with MSL 1 rating. Automotive grade and AEC-Q101 qualification are not specified for this variant. Selection of this part should be based on application requirements regarding automotive certification and qualification status.

Both substitute parts are active products with confirmed inventory availability and are suitable for direct replacement in applications where the AMMSZ5262A-HF is specified, subject to compliance and qualification requirements of the end application.

Frequently Asked Questions (FAQ)

Q: Can MMSZ5262A-AU_R1_000A1 be used as a direct replacement for AMMSZ5262A-HF?

A: Yes. Both parts share identical electrical specifications (51 V zener voltage, ±2% tolerance, 500 mW power rating, 125 Ohms maximum impedance), identical mechanical packaging (SOD-123 surface mount), and identical regulatory compliance (automotive grade, AEC-Q101 qualification, ROHS3). No circuit modification or board layout change is required.

Q: What is the difference between MMSZ5262A-AU_R1_000A1 and MMSZ5262A_R1_00001?

A: Both parts have identical electrical and mechanical specifications. The primary difference is that MMSZ5262A-AU_R1_000A1 explicitly specifies automotive grade and AEC-Q101 qualification, while MMSZ5262A_R1_00001 does not include these specifications in the provided data. For automotive applications requiring AEC-Q101 certification, MMSZ5262A-AU_R1_000A1 is the appropriate selection.

Q: Are all substitute parts in the same SOD-123 package?

A: Yes. All listed substitute parts use the SOD-123 surface mount package, identical to the AMMSZ5262A-HF. PCB footprint and reflow soldering parameters remain unchanged.

Q: What is the operating temperature range for these zener diodes?

A: All parts operate across -50°C to 150°C junction temperature range, suitable for automotive and industrial applications.

Q: Are these parts RoHS compliant?

A: Yes. All listed parts are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level), indicating no special moisture control requirements during storage or handling.

Q: What is the reverse leakage current specification?

A: All parts specify 100 nanoamperes maximum reverse leakage current at 39 V reverse bias, ensuring consistent leakage characteristics across all equivalent parts.