AMMSZ5245A-HF Zener Diode Equivalent & Substitute Parts

Part Overview

The AMMSZ5245A-HF is a 15 V, 500 mW Zener diode manufactured by Comchip Technology in SOD-123 surface mount packaging. This component is classified as an automotive-grade device with AEC-Q101 qualification and is currently in active production status. The device operates across a temperature range of -50°C to 150°C and maintains ±2% voltage tolerance. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring this specific Zener diode specification.

Substiute Parts

AMMSZ5245A-HF

Comchip TechnologyIn Stock: 691AMMSZ5245A-HF Datasheet

Current PartRFQ

MMSZ5245A-AU_R1_000A1

Panjit International Inc.In Stock: 8866MMSZ5245A-AU_R1_000A1 Datasheet

Parametric EquivalentRFQ

MMSZ5245A_R1_00001

Panjit International Inc.In Stock: 3494MMSZ5245A_R1_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AMMSZ5245A-HF are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are defined by the following parameters:

• Voltage - Zener (Nominal): 15 V
• Power - Maximum: 500 mW
• Tolerance: ±2%
• Impedance (Maximum): 16 Ohms
• Current - Reverse Leakage @ Vr: 500 nA @ 11 V
• Voltage - Forward (Maximum) @ If: 900 mV @ 10 mA
• Operating Temperature Range: -50°C to 150°C (TJ)
• Package / Case: SOD-123
• Mounting Type: Surface Mount
• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed below meet these electrical and mechanical specifications without deviation. Substitutes are sourced from qualified manufacturers and maintain automotive-grade certification.

Parameter Comparison

Engineering Selection Recommendations

MMSZ5245A-AU_R1_000A1 (Panjit International Inc.)

This substitute part is a direct parametric equivalent to the AMMSZ5245A-HF. Both devices maintain identical electrical specifications, automotive-grade classification, and AEC-Q101 qualification. The MMSZ5245A-AU_R1_000A1 is actively produced and carries ROHS3 compliance with unlimited moisture sensitivity rating. This part is suitable for direct substitution in applications requiring automotive-grade Zener diodes with 15 V nominal voltage and 500 mW power dissipation.

MMSZ5245A_R1_00001 (Panjit International Inc.)

This substitute part meets all electrical and mechanical specifications of the AMMSZ5245A-HF, including voltage, power rating, impedance, and temperature range. The device is actively produced and ROHS3 compliant with unlimited moisture sensitivity. However, automotive-grade classification and AEC-Q101 qualification are not specified for this variant. Selection of this part requires confirmation that automotive-grade certification is not a mandatory requirement for the application.

Frequently Asked Questions (FAQ)

Q: Can MMSZ5245A-AU_R1_000A1 be used as a direct replacement for AMMSZ5245A-HF?

A: Yes. Both parts are parametrically equivalent across all electrical specifications, including 15 V nominal Zener voltage, 500 mW power rating, ±2% tolerance, and 16 Ohms maximum impedance. Both maintain automotive-grade status with AEC-Q101 qualification and identical operating temperature range (-50°C to 150°C). Package and mounting type are identical (SOD-123, surface mount).

Q: What is the difference between MMSZ5245A-AU_R1_000A1 and MMSZ5245A_R1_00001?

A: Both parts share identical electrical specifications and package configuration. The primary difference is that MMSZ5245A-AU_R1_000A1 explicitly specifies automotive-grade classification and AEC-Q101 qualification, while MMSZ5245A_R1_00001 does not include these designations in the provided data. For applications requiring automotive-grade certification, MMSZ5245A-AU_R1_000A1 is the appropriate selection.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts, including the main part AMMSZ5245A-HF, are ROHS3 compliant.

Q: What is the moisture sensitivity level for these Zener diodes?

A: All parts listed carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Can these parts be used interchangeably in surface mount applications?

A: Yes. All parts use SOD-123 surface mount packaging and are suitable for identical PCB layouts and reflow soldering processes.

Q: What is the reverse leakage current specification?

A: All parts maintain 500 nA reverse leakage current at 11 V reverse voltage, ensuring consistent leakage characteristics across substitutes.

Q: Are there any temperature range differences between the main part and substitutes?

A: No. All parts operate across the identical temperature range of -50°C to 150°C (junction temperature).