VLZ13C-GS08 Equivalent & Substitute Parts

Part Overview

The VLZ13C-GS08 is a Zener Diode rated at 13.33 V with 500 mW power dissipation in a SOD-80 QuadroMELF surface mount package, manufactured by Vishay General Semiconductor - Diodes Division. This component is classified as Obsolete, requiring identification of active equivalent parts for new designs and ongoing production support. The part carries AEC-Q101 automotive qualification and ROHS3 compliance.

Key Parameters

Parameter	Value
Voltage - Zener (Nom)	13.33 V
Power - Max	500 mW
Impedance (Max)	14 Ohms
Current - Reverse Leakage @ Vr	40 µA @ 12.3 V
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA
Operating Temperature Range	-65°C ~ 175°C
Mounting Type	Surface Mount
Package / Case	SOD-80 QuadroMELF
Grade	Automotive
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the VLZ13C-GS08 is determined by the following critical parameters:

Electrical Compatibility Criteria:

Zener voltage within acceptable tolerance of 13.33 V nominal
Power dissipation rating of 500 mW minimum
Operating temperature range of -65°C to 175°C minimum
Surface mount configuration

Mechanical Compatibility Criteria:

SOD-80 package family (includes QuadroMELF, MiniMELF, and DO-213AA variants)
Surface mount mounting type

Compliance Criteria:

ROHS3 compliance preferred for new designs
Automotive qualification (AEC-Q101) for automotive applications

The substitute parts identified maintain electrical performance within the specified operating parameters while offering active product status and improved availability compared to the obsolete VLZ13C-GS08.

Parameter Comparison

Parameter	VLZ13C-GS08 (Main)	TLZ13C-GS08	1N4107UR-1	1N964BUR-1
Manufacturer	Vishay General Semiconductor	Vishay General Semiconductor	Microchip Technology	Microchip Technology
Voltage - Zener (Nom)	13.33 V	13 V	13 V	13 V
Tolerance	-	-	±5%	±5%
Power - Max	500 mW	500 mW	500 mW	500 mW
Impedance (Max)	14 Ohms	14 Ohms	200 Ohms	13 Ohms
Current - Reverse Leakage @ Vr	40 µA @ 12.3 V	40 nA @ 12.3 V	50 nA @ 9.9 V	500 nA @ 9.9 V
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA	1.5 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 ~ 175°C	-65°C ~ 175°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SOD-80 QuadroMELF	SOD-80 MiniMELF	DO-213AA	DO-213AA
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant
Grade	Automotive	Not specified	Not specified	Not specified

Engineering Selection Recommendations

Primary Substitute: TLZ13C-GS08

The TLZ13C-GS08 is the direct equivalent from Vishay General Semiconductor - Diodes Division. This part maintains identical electrical specifications (13 V nominal zener voltage, 500 mW power rating, 14 Ohms impedance) and operating temperature range. The TLZ13C-GS08 is Active product status with ROHS3 compliance and significantly higher inventory availability (15,905 units). The package variant transitions from QuadroMELF to MiniMELF within the SOD-80 family, maintaining mechanical compatibility for surface mount applications. This substitution is recommended for direct replacement in existing designs.

Secondary Substitute: 1N964BUR-1

The 1N964BUR-1 from Microchip Technology provides electrical equivalence with 13 V nominal zener voltage and 500 mW power rating. This part maintains ROHS3 compliance and Active product status. The impedance specification (13 Ohms) is comparable to the main part. The package transitions to DO-213AA, requiring PCB layout verification for mechanical fit. This substitution is suitable when package footprint compatibility is confirmed.

Alternative Substitute: 1N4107UR-1

The 1N4107UR-1 from Microchip Technology meets the core electrical requirements (13 V nominal, 500 mW power rating) and operating temperature range. However, this part carries RoHS non-compliant status, limiting its application in new designs subject to RoHS regulations. The impedance specification (200 Ohms) represents a significant deviation from the main part specification. This substitution is applicable only in legacy systems where RoHS compliance is not required.

Frequently Asked Questions (FAQ)

Q: Can the TLZ13C-GS08 directly replace the VLZ13C-GS08 in automotive applications?

A: The TLZ13C-GS08 maintains the same electrical specifications and operating temperature range as the VLZ13C-GS08. However, automotive qualification status is not specified for the TLZ13C-GS08. Verification of automotive qualification requirements for your specific application is necessary before implementation.

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

A: Both are SOD-80 package variants used for surface mount zener diodes. The QuadroMELF and MiniMELF designations refer to different physical dimensions and lead configurations within the SOD-80 family. PCB footprint compatibility must be verified when transitioning between these variants.

Q: Why is the reverse leakage current specification different across substitute parts?

A: Reverse leakage current varies based on semiconductor manufacturing processes and device design. The VLZ13C-GS08 specifies 40 µA at 12.3 V, while the TLZ13C-GS08 specifies 40 nA at the same voltage. These differences reflect process improvements in the active TLZ13C-GS08 variant. Application circuits must accommodate the specified leakage characteristics of the selected part.

Q: Is the 1N4107UR-1 suitable for new production designs?

A: The 1N4107UR-1 carries RoHS non-compliant status. For new production designs subject to RoHS regulations, the TLZ13C-GS08 or 1N964BUR-1 are preferred selections due to ROHS3 compliance.

Q: What is the significance of the ±5% tolerance specification on Microchip parts?

A: The ±5% tolerance on 1N4107UR-1 and 1N964BUR-1 indicates the acceptable variation range for the zener voltage specification. The VLZ13C-GS08 does not specify a tolerance value. Circuit designs must accommodate the tolerance specifications of the selected substitute part.

Q: Can the DO-213AA package parts be used as direct mechanical replacements?

A: The DO-213AA package is a different physical form factor from the SOD-80 variants. PCB footprint, lead spacing, and mounting hole requirements differ. Mechanical compatibility must be verified through PCB layout comparison before implementation.

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