VLZ39-GS08 Equivalent & Substitute Parts

Part Overview

The VLZ39-GS08 is a Zener diode rated at 39 V nominal voltage with 500 mW maximum power dissipation, manufactured by Vishay General Semiconductor - Diodes Division. This component is packaged in SOD-80 QuadroMELF surface mount configuration and is qualified to AEC-Q101 automotive standards. The VLZ39-GS08 is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and field service applications.

Substiute Parts

VLZ39-GS08

Vishay General Semiconductor - Diodes DivisionIn Stock: 1008VLZ39-GS08 Datasheet

Current PartRFQ

TLZ39-GS08

Vishay General Semiconductor - Diodes DivisionIn Stock: 1093TLZ39-GS08 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VLZ39-GS08 is determined by electrical and mechanical parameter equivalence. The critical parameters that define substitution eligibility are:

• Voltage - Zener (Nom): 39 V
• Power - Max: 500 mW
• Impedance (Max): 85 Ohms
• Voltage - Forward (Vf) (Max) @ If: 1.5 V @ 200 mA
• Operating Temperature Range: -65°C to 175°C
• Mounting Type: Surface Mount
• Package / Case: SOD-80 variant
• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The TLZ39-GS08 meets all electrical parameter requirements and maintains automotive qualification. The primary distinction is the packaging variant designation (MiniMELF versus QuadroMELF) and product status (Active versus Obsolete). Both components utilize SOD-80 surface mount technology and are functionally equivalent for circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The TLZ39-GS08 is the direct substitute for the VLZ39-GS08. Both components are manufactured by Vishay General Semiconductor - Diodes Division and maintain identical electrical specifications across all critical parameters: 39 V nominal Zener voltage, 500 mW maximum power dissipation, 85 Ohms maximum impedance, and 1.5 V maximum forward voltage at 200 mA.

Both parts carry automotive grade classification and AEC-Q101 qualification, ensuring compliance with automotive reliability standards. Both are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating.

The TLZ39-GS08 holds Active product status, providing superior long-term availability compared to the obsolete VLZ39-GS08. The packaging variant difference (MiniMELF versus QuadroMELF) represents a physical form factor distinction within the SOD-80 family; both are surface mount configurations suitable for automated assembly.

Frequently Asked Questions (FAQ)

Q: What is the primary reason for substituting VLZ39-GS08 with TLZ39-GS08?

A: The VLZ39-GS08 is classified as obsolete product status. The TLZ39-GS08 is an active product offering identical electrical performance and maintains all automotive qualifications and compliance certifications.

Q: Are the electrical specifications identical between VLZ39-GS08 and TLZ39-GS08?

A: Yes. Both components specify 39 V nominal Zener voltage, 500 mW maximum power dissipation, 85 Ohms maximum impedance, and 1.5 V maximum forward voltage at 200 mA. Operating temperature range is identical at -65°C to 175°C.

Q: What is the difference between SOD-80 QuadroMELF and SOD-80 MiniMELF packaging?

A: Both are SOD-80 surface mount package variants. The distinction is in the physical form factor designation (QuadroMELF versus MiniMELF). Both are suitable for surface mount assembly and maintain the same electrical interface.

Q: Do both parts carry automotive qualification?

A: Yes. Both VLZ39-GS08 and TLZ39-GS08 are automotive grade components qualified to AEC-Q101 standard.

Q: Are both parts RoHS compliant?

A: Yes. Both components are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity level.

Q: Can TLZ39-GS08 be used as a direct replacement in existing designs?

A: The TLZ39-GS08 is electrically and functionally equivalent to VLZ39-GS08. Physical board layout considerations may apply due to packaging variant differences; however, both utilize surface mount SOD-80 technology.