Equivalent & Substitute Parts Reference for TZMC2V7-GS18

Part Overview

TZMC2V7-GS18 is an active automotive-grade Zener diode from Vishay General Semiconductor - Diodes Division, categorized under Diodes, Zener. It features a nominal Zener voltage of 2.7 V, a maximum power dissipation of 500 mW, and ±5% tolerance, in a SOD-80 MiniMELF surface mount package. The part is RoHS3 compliant, meets AEC-Q101 automotive qualification, and supports high reliability requirements. Alternative models may be necessary for various reasons such as inventory availability, specific manufacturer compliance requirements, or logistical preferences.

Key Parameters

Parameter	Value
Manufacturer Part Number	TZMC2V7-GS18
Voltage - Zener (Nom) (Vz)	2.7 V
Tolerance	±5%
Power - Max	500 mW
Impedance (Max) (Zzt)	85 Ohms
Current - Reverse Leakage @ Vr	10 µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 175°C
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	SOD-80 MiniMELF
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts are selected strictly based on matching key electrical and mechanical parameters: Zener voltage (Vz), power dissipation, tolerance, impedance, reverse leakage, forward voltage, operating temperature range, package type, mounting type, and device compliance (grade, qualification, RoHS/REACH status). Equivalents are grouped as parametric equivalents or manufacturer-recommended equivalents only when these parameters are consistent between parts, ensuring functional and mechanical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Zener (Nom) (Vz)	Tolerance	Power - Max	Impedance (Max) (Zzt)	Current - Reverse Leakage @ Vr	Voltage - Forward (Vf) (Max) @ If	Operating Temperature	Grade	Qualification	Mounting Type	Package / Case	RoHS Status	MSL	REACH Status
TZMC2V7-GS18	Vishay General Semiconductor - Diodes Division	2.7 V	±5%	500 mW	85 Ohms	10 µA @ 1 V	1.5 V @ 200 mA	-65°C ~ 175°C	Automotive	AEC-Q101	Surface Mount	SOD-80 MiniMELF	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
TZMB2V7-GS08	Vishay General Semiconductor - Diodes Division	2.7 V	±2%	500 mW	85 Ohms	10 µA @ 1 V	1.5 V @ 200 mA	-65°C ~ 175°C	Automotive	AEC-Q101	Surface Mount	SOD-80 MiniMELF	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
TZMC2V7-GS08	Vishay General Semiconductor - Diodes Division	2.7 V	±5%	500 mW	85 Ohms	10 µA @ 1 V	1.5 V @ 200 mA	-65°C ~ 175°C	Automotive	AEC-Q101	Surface Mount	SOD-80 MiniMELF	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
CDLL4618	Microchip Technology	2.7 V	±5%	500 mW	1500 Ohms	500 nA @ 1 V	1.1 V @ 200 mA	-65°C ~ 175°C	-	-	Surface Mount	DO-213AA	RoHS non-compliant	1 (Unlimited)	REACH Unaffected

Engineering Selection Recommendations

TZMC2V7-GS08 and TZMB2V7-GS08 are active parts with matching electrical and mechanical parameters. Both are RoHS3 compliant and AEC-Q101 qualified for automotive use, consistent with TZMC2V7-GS18. CDLL4618 is RoHS non-compliant and does not specify automotive grade or AEC-Q101 qualification; however, it is active and compatible in Zener voltage and power but differs in package and electrical characteristics such as impedance and forward voltage.

Frequently Asked Questions (FAQ)

Q: Which substitute parts have identical electrical parameters and package as TZMC2V7-GS18?
A: TZMC2V7-GS08 matches all electrical parameters, package, mounting type, and compliance certifications.

Q: Do substitute parts have the same certification and compliance status?
A: TZMC2V7-GS08 and TZMB2V7-GS08 are both RoHS3 compliant and AEC-Q101 qualified. CDLL4618 is RoHS non-compliant and does not specify automotive qualification.

Q: Are all listed substitutes in a SOD-80 MiniMELF package?
A: TZMC2V7-GS08 and TZMB2V7-GS08 use SOD-80 MiniMELF. CDLL4618 uses a DO-213AA package.

Q: Is there any difference in tolerance between the substitutes?
A: TZMB2V7-GS08 has tighter tolerance (±2%) compared to the ±5% of TZMC2V7-GS18, TZMC2V7-GS08, and CDLL4618.

Q: Can substitutes be used in applications requiring AEC-Q101 qualification?
A: TZMC2V7-GS08 and TZMB2V7-GS08 meet AEC-Q101. CDLL4618 does not specify this qualification.

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