VLZ6V8-GS08 Equivalent & Substitute Parts Reference

Part Overview

The VLZ6V8-GS08 is a Zener diode with a nominal Zener voltage of 6.8 V, 500 mW power rating, and packaged in SOD-80 QuadroMELF for surface mount applications. It is qualified for automotive use with AEC-Q101 compliance and operates across a temperature range of -65°C to 175°C. This part is currently obsolete, making identification of direct substitutes necessary to ensure continued design compatibility and supply chain continuity.

Key Parameters

Parameter	Value
Voltage - Zener (Nom) (Vz)	6.8 V
Power - Max	500 mW
Impedance (Max) (Zzt)	8 Ohms
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 175°C
Mounting Type	Surface Mount
Package / Case	SOD-80 Variant
Automotive Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts are selected strictly using matching key parameters crucial for Zener diode functionality and application: nominal Zener voltage, maximum power rating, maximum impedance, forward voltage rating, operating temperature range, mounting type, and compliance for automotive and environmental standards. Allowed packaging variations within the SOD-80 category are included for surface mount compatibility. Only models meeting all these criteria are considered direct substitutes.

Parameter Comparison

Parameter	VLZ6V8-GS08	TLZ6V8-GS08
Voltage - Zener (Nom) (Vz)	6.8 V	6.8 V
Power - Max	500 mW	500 mW
Impedance (Max) (Zzt)	8 Ohms	8 Ohms
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 175°C	-65°C ~ 175°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	SOD-80 Variant	DO-213AC, MINI-MELF, SOD-80
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Due to the obsolete status of VLZ6V8-GS08 and the active status of the substitute TLZ6V8-GS08, selection should prioritize parts with matching electrical characteristics, compliance documentation, and environmental status. Substitutes must maintain the same RoHS and REACH status, as well as identical MSL ratings for manufacturing compatibility.

Frequently Asked Questions (FAQ)

Q1: What defines a compatible substitute for VLZ6V8-GS08 in this category?
A1: Compatibility is defined by exact matching of Zener voltage rating, power rating, maximum impedance, forward voltage, operating temperature, mounting type, and environmental compliance.

Q2: Can TLZ6V8-GS08 be used as a direct replacement for VLZ6V8-GS08?
A2: TLZ6V8-GS08 matches all provided key electrical parameters, mounting type, and compliance, making it suitable as a direct substitute.

Q3: Are there packaging differences that affect substitution?
A3: Both parts are SOD-80 surface mount Zener diodes. Verify compatibility between SOD-80 QuadroMELF and SOD-80 MiniMELF outlines for mechanical fit within the application.

Q4: Do differences in part status or series affect selection?
A4: The main consideration is that VLZ6V8-GS08 is obsolete, so only substitutes with equivalent specifications and continued active status should be selected for new designs or ongoing production.

Q5: Are all environmental and compliance certifications maintained with the substitute?
A5: Both VLZ6V8-GS08 and TLZ6V8-GS08 are ROHS3 compliant, REACH unaffected, and share the same MSL rating, supporting direct substitution within regulated environments.

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