VLZ10C-GS08 Equivalent & Substitute Parts Engineering Reference

Part Overview

VLZ10C-GS08, manufactured by Vishay General Semiconductor - Diodes Division, is a Zener Diode specified for 9.95 V, 500 mW, with a surface mount SOD-80 QuadroMELF package. The part is automotive grade, AEC-Q101 qualified, and ROHS3 compliant. As this part is designated obsolete, it is necessary to identify substitute or equivalent Zener diode models with matching electrical and mechanical specifications for continued design and production requirements.

Key Parameters

Parameter	VLZ10C-GS08 Value
Manufacturer Part Number	VLZ10C-GS08
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	9.95 V
Power - Max	500 mW
Impedance (Max) (Zzt)	8 Ohms
Current - Reverse Leakage @ Vr	40 µA @ 9.22 V
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
Supplier Device Package	SOD-80 QuadroMELF
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Qualification	AEC-Q101
Part Status	Obsolete

Substitute Part Grouping Explanation

Substitution is based strictly on matching or closely aligning critical parameters:

Zener voltage (Vz) near 10 V
Maximum power dissipation of 500 mW
Surface mount package form factor compatible with SOD-80 or its equivalents (DO-213AC/AA, MiniMELF, LLDS)
Maximum impedance within acceptable limits
Operating temperature within -65°C ~ 175°C or broader
Forward voltage and reverse leakage current at similar test conditions
RoHS compliance and moisture sensitivity if required by regulatory restrictions
Qualification level if suitable for automotive or specific certification requirements

Parameter Comparison

Parameter	VLZ10C-GS08	TLZ10C-GS08	BZV55-B10,115	1N4104DUR-1	1N4104UR-1	1N5530BUR-1	1N758AUR-1
Voltage - Zener (Nom)	9.95 V	10 V	10 V	10 V	10 V	10 V	10 V
Power - Max	500 mW	500 mW	500 mW	500 mW	500 mW	500 mW	500 mW
Impedance (Max)	8 Ohms	8 Ohms	20 Ohms	200 Ohms	200 Ohms	60 Ohms	7 Ohms
Current - Reverse Leakage @ Vr	40 µA @ 9.22 V	40 nA @ 9.22 V	200 nA @ 7 V	500 nA @ 7.6 V	500 nA @ 7.6 V	50 nA @ 9.1 V	1 µA @ 8 V
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA	1.5 V @ 200 mA	900 mV @ 10 mA	1.1 V @ 200 mA	1.1 V @ 200 mA	1.1 V @ 200 mA	1.1 V @ 200 mA
Operating Temperature	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 200°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SOD-80 Variant	DO-213AC, MINI-MELF, SOD-80	DO-213AC, MINI-MELF, SOD-80	DO-213AA	DO-213AA	DO-213AA	DO-213AA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not Provided	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Provided	1 (Unlimited)	Not Provided	Not Provided
Qualification	AEC-Q101	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Part Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Selection of substitute Zener diodes must be based on equivalent or compatible voltage rating, power dissipation, mounting type, package, and compliance status. Consider RoHS status and AEC-Q101 qualification for regulated or automotive applications. Parts with ‘Active’ status and matching MSL reduce supply risks. Package compatibility ensures assembly process alignment.

Frequently Asked Questions (FAQ)

Q1: What are the most critical parameters for substituting VLZ10C-GS08?
The Zener voltage, power rating, surface mount package compatibility, and qualification/certification are critical for direct substitution.

Q2: Can 10 V Zener diodes replace VLZ10C-GS08 (9.95 V)?
Substitute parts with a nominal Zener voltage of 10 V are eligible based on the allowed parameter range.

Q3: Are all substitute packages physically compatible with SOD-80 QuadroMELF?
Substitute parts listed use SOD-80, DO-213AC/AA, MINI-MELF, LLDS, or equivalent surface mount packages. Mechanical compatibility depends strictly on matching supplied package dimensions.

Q4: Is AEC-Q101 qualification necessary for substitution?
If automotive-grade or AEC-Q101 qualification is required, only select substitute parts with equivalent qualification.

Q5: Do all substitutes meet RoHS compliance requirements?
RoHS status is provided for each part. Only those marked RoHS compliant satisfy restricted substance requirements. RoHS non-compliant parts should not be used where compliance is mandatory.

Q6: How should impedance and reverse leakage current be considered?
These must be within the provided maximum values to ensure performance equivalence. Refer to the comparison table above for strict matching.

Q7: What if Obsolete status affects sourcing?
Select parts with ‘Active’ status to ensure ongoing availability for production needs.

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