GSOT15-HE3-18 Equivalent & Substitute Parts

Part Overview

The GSOT15-HE3-18 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for surface mount applications in SOT-23-3 packaging and provides transient voltage protection with a 15V reverse standoff voltage and 28.8V clamping voltage. The part is Active status and AEC-Q101 qualified for automotive applications. Substitute parts are identified to address inventory availability and supply chain continuity while maintaining identical electrical and mechanical specifications.

Substiute Parts

GSOT15-HE3-18

Vishay General Semiconductor - Diodes DivisionIn Stock: 733GSOT15-HE3-18 Datasheet

Current PartRFQ

GSOT15-E3-08

Vishay General Semiconductor - Diodes DivisionIn Stock: 25324GSOT15-E3-08 Datasheet

DirectRFQ

GSOT15-G3-08

Vishay General Semiconductor - Diodes DivisionIn Stock: 16016GSOT15-G3-08 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the GSOT15-HE3-18 are qualified based on the following criteria:

• Identical voltage ratings: 15V reverse standoff, 16.5V breakdown minimum, and 28.8V clamping maximum
• Identical current handling: 8A peak pulse (8/20µs)
• Identical power dissipation: 230W peak pulse
• Identical capacitance: 90pF @ 1MHz
• Identical operating temperature range: -40°C ~ 125°C
• Identical package: SOT-23-3 surface mount
• Same manufacturer: Vishay General Semiconductor - Diodes Division
• Same base product number: GSOT15
• Equivalent compliance: ROHS3 compliant, MSL 1

The substitute parts GSOT15-E3-08 and GSOT15-G3-08 meet all these criteria and are direct functional equivalents.

Parameter Comparison

Engineering Selection Recommendations

All three parts—GSOT15-HE3-18, GSOT15-E3-08, and GSOT15-G3-08—are Active status components from Vishay General Semiconductor - Diodes Division with identical electrical and mechanical specifications. Selection between these parts may be based on inventory availability and supply chain considerations. GSOT15-E3-08 has 25,300 units in stock, GSOT15-G3-08 has 15,926 units in stock, and GSOT15-HE3-18 has 710 units in stock. All parts are ROHS3 compliant and carry MSL 1 rating, indicating unlimited shelf life under standard storage conditions.

Frequently Asked Questions (FAQ)

Q: Can GSOT15-E3-08 or GSOT15-G3-08 be used as direct replacements for GSOT15-HE3-18?

A: Yes. Both substitute parts share identical electrical parameters including voltage ratings, current handling, power dissipation, and operating temperature range. They use the same SOT-23-3 package and are manufactured by the same supplier. No circuit redesign or board layout modification is required.

Q: Are there any differences in compliance or certification between these parts?

A: No. All three parts are ROHS3 compliant, carry MSL 1 rating, and are Active status products from Vishay General Semiconductor - Diodes Division. Compliance and certification are equivalent across all three part numbers.

Q: What is the significance of the different part number suffixes (HE3, E3, G3)?

A: The suffixes indicate different manufacturing batches or packaging configurations within the same electrical specification family. The electrical and mechanical parameters remain identical across all variants.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All three parts use identical SOT-23-3 surface mount packaging with the same pin configuration, footprint, and soldering requirements. No PCB layout changes are necessary when substituting between these part numbers.

Q: What is the capacitance specification used for?

A: The 90pF capacitance measured at 1MHz represents the junction capacitance of the TVS diode. This parameter is relevant for high-frequency circuit applications where parasitic capacitance may affect signal integrity or circuit performance.