LS101C-GS18 Equivalent & Substitute Parts Reference

Part Overview

The LS101C-GS18, manufactured by Vishay General Semiconductor - Diodes Division, is a Schottky diode designed for use in surface mount applications. It offers a maximum DC reverse voltage of 40 V and an average rectified current rating of 30 mA. The device is supplied in a SOD-80 QuadroMELF surface mount package and meets automotive grade and AEC-Q101 qualifications. This device is actively available but sourcing alternative models may be necessary for supply chain flexibility, different inventory packaging, or to meet logistics requirements.

Key Parameters

Parameter	Value
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	30 mA
Voltage - Forward (Vf) (Max) @ If	900 mV @ 15 mA
Current - Reverse Leakage @ Vr	200 nA @ 30 V
Capacitance @ Vr, F	2.2pF @ 0V, 1MHz
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	SOD-80 Variant
Supplier Device Package	SOD-80 QuadroMELF
Operating Temperature - Junction	125°C (Max)
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute diodes are grouped strictly by matching the following key parameters: technology (Schottky), maximum DC reverse voltage (40 V), average rectified current (30 mA), maximum forward voltage at given current (900 mV @ 15 mA), current reverse leakage at specified voltage (200 nA @ 30 V), capacitance, qualification grade (Automotive, AEC-Q101), mounting type (Surface Mount), package/case compatibility (SOD-80 QuadroMELF), maximum operating junction temperature (125°C), and compliance status (RoHS3, MSL 1, REACH status). Substitute parts listed meet all these defined matching criteria.

Parameter Comparison

Parameter	LS101C-GS18	LS101C-GS08
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V	40 V
Current - Average Rectified (Io)	30 mA	30 mA
Voltage - Forward (Vf) (Max) @ If	900 mV @ 15 mA	900 mV @ 15 mA
Current - Reverse Leakage @ Vr	200 nA @ 30 V	200 nA @ 30 V
Capacitance @ Vr, F	2.2pF @ 0V, 1MHz	2.2pF @ 0V, 1MHz
Grade	Automotive	Automotive
Qualification	AEC-Q101	AEC-Q101
Mounting Type	Surface Mount	Surface Mount
Package / Case	SOD-80 Variant	SOD-80 Variant
Supplier Device Package	SOD-80 QuadroMELF	SOD-80 QuadroMELF
Operating Temperature - Junction	125°C (Max)	125°C (Max)
Product Status	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both LS101C-GS18 and LS101C-GS08 are active, automotive grade, AEC-Q101 qualified, and RoHS3 compliant Schottky rectifier diodes in the SOD-80 package. They share identical electrical parameters, environmental compliance, and surface mount packaging. Selection between these models can be based on available inventory, packaging requirements, or logistic convenience.

Frequently Asked Questions (FAQ)

Q1: What are the primary criteria for substituting LS101C-GS18 in my design?
A1: Substitution is strictly guided by equivalence in technology type, maximum voltage and current ratings, leakage current, capacitance, package compatibility, qualification, compliance, and mounting type.

Q2: Is the LS101C-GS08 electrically and mechanically identical to LS101C-GS18?
A2: LS101C-GS08 matches LS101C-GS18 in all key electrical and mechanical parameters, including ratings, packaging, and automotive/AEC-Q101 qualification.

Q3: Are there any differences in compliance or qualification between the two models?
A3: Both models are RoHS3 compliant, REACH unaffected, automotive grade, and AEC-Q101 qualified.

Q4: Does the packaging type affect part substitution?
A4: Both LS101C-GS18 and LS101C-GS08 utilize the SOD-80 QuadroMELF surface mount package. The difference lies in inventory packaging (Tape & Reel vs Cut Tape/Digi-Reel®), which does not affect their electrical or mechanical performance.

Q5: Is additional testing required when substituting these models?
A5: No additional technical evaluation is required as both products are parametric equivalents based on all provided parameters.

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