BAS170WS-G3-08 Equivalent & Substitute Parts

Part Overview

The BAS170WS-G3-08 is a Schottky diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 70 V DC reverse voltage and 70 mA average rectified current in a surface mount SOD-323 package. This component is classified as a small signal Schottky rectifier diode and is currently in active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or packaging format preferences while maintaining identical functional specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	70	V
Current - Average Rectified (Io)	70	mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 15 mA	V @ mA
Current - Reverse Leakage @ Vr	10	µA @ 70 V
Capacitance @ Vr, F	2	pF @ 0V, 1MHz
Technology	Schottky	—
Package / Case	SC-76, SOD-323	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 125	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BAS170WS-G3-08 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

Voltage - DC Reverse (Vr) (Max): 70 V
Current - Average Rectified (Io): 70 mA
Voltage - Forward (Vf) (Max) @ If: 1 V @ 15 mA
Current - Reverse Leakage @ Vr: 10 µA @ 70 V
Capacitance @ Vr, F: 2 pF @ 0V, 1MHz
Technology: Schottky
Speed Classification: Small Signal ≤ 200mA (Io), Any Speed

Mechanical Equivalence Requirements:

Package / Case: SC-76, SOD-323
Mounting Type: Surface Mount
Supplier Device Package: SOD-323

Compliance Requirements:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories: Parametric Equivalents (identical electrical and mechanical specifications from Vishay) and Manufacturer Recommended Equivalents (alternative manufacturers meeting identical specifications). Packaging format variations (Tape & Reel versus Cut Tape) do not affect electrical or mechanical compatibility and are noted for procurement purposes only.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [mA]	Vf (Max) @ If [V @ mA]	Ir @ Vr [µA @ V]	C @ Vr [pF @ MHz]	Package	Packaging Format	Tj (Max) [°C]	RoHS
BAS170WS-G3-08	Vishay General Semiconductor	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Tape & Reel	125	ROHS3
BAS170WS-E3-08	Vishay General Semiconductor	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Tape & Reel	125	ROHS3
BAS170WS-E3-18	Vishay General Semiconductor	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Cut Tape	125	ROHS3
BAS170WS-G3-18	Vishay General Semiconductor	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Tape & Reel	125	ROHS3
BAS170WS-HE3-08	Vishay General Semiconductor	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Tape & Reel	125	ROHS3
BAS170WS-HE3-18	Vishay General Semiconductor	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Tape & Reel	125	ROHS3
1PS76SB70,115	Nexperia USA Inc.	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Cut Tape & Digi-Reel	150	ROHS3
1PS76SB70,135	Nexperia USA Inc.	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Tape & Reel	150	ROHS3
BAS170WE6327HTSA1	Infineon Technologies	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Cut Tape & Digi-Reel	150	ROHS3
BAS70JFILM	STMicroelectronics	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Cut Tape & Digi-Reel	150	ROHS3
BAS70WX-TP	Micro Commercial Co	70	70	1 @ 15	10 @ 70	2 @ 1	SOD-323	Cut Tape & Digi-Reel	125	ROHS3

Engineering Selection Recommendations

Vishay Parametric Equivalents (BAS170WS Series): The BAS170WS-E3-08, BAS170WS-E3-18, BAS170WS-G3-18, BAS170WS-HE3-08, and BAS170WS-HE3-18 are direct parametric equivalents manufactured by Vishay General Semiconductor. All variants maintain identical electrical specifications and SOD-323 package compatibility. Selection among these variants is determined by packaging format requirements (Tape & Reel versus Cut Tape) and application-specific needs. The HE3 variants include AEC-Q101 automotive qualification, suitable for automotive-grade applications requiring enhanced reliability documentation.

Nexperia Manufacturer Recommended Equivalents (1PS76SB70 Series): The 1PS76SB70,115 and 1PS76SB70,135 from Nexperia USA Inc. provide equivalent electrical performance with maximum junction temperature rating of 150°C, compared to 125°C for the Vishay BAS170WS-G3-08. These components are suitable for applications requiring extended thermal performance margins. Packaging format selection between Cut Tape & Digi-Reel (115) and Tape & Reel (135) accommodates different procurement workflows.

Infineon Manufacturer Recommended Equivalent (BAS170WE6327HTSA1): The Infineon BAS170WE6327HTSA1 meets all electrical specifications with 150°C maximum junction temperature rating. This component is supplied in Cut Tape & Digi-Reel format and is suitable for applications requiring Infineon component qualification or supply chain diversification.

STMicroelectronics Manufacturer Recommended Equivalent (BAS70JFILM): The BAS70JFILM from STMicroelectronics provides equivalent electrical performance with 150°C maximum junction temperature rating. This component is available in Cut Tape & Digi-Reel format and supports supply chain alternatives from a major semiconductor manufacturer.

Micro Commercial Co Parametric Equivalent (BAS70WX-TP): The BAS70WX-TP from Micro Commercial Co maintains identical electrical specifications and operating temperature range (-55°C to 125°C) as the BAS170WS-G3-08. This component is available in Cut Tape & Digi-Reel format and provides an alternative source for procurement.

All listed substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can BAS170WS-E3-08 replace BAS170WS-G3-08 in production?

A: Yes. The BAS170WS-E3-08 is a parametric equivalent with identical electrical specifications (70 V, 70 mA, 1 V forward voltage at 15 mA) and SOD-323 package. The difference is packaging format: BAS170WS-E3-08 is supplied in Tape & Reel format, matching the original part's packaging. Both are manufactured by Vishay and maintain identical compliance certifications.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) and Cut Tape (CT) are packaging and delivery formats that do not affect component electrical or mechanical specifications. Tape & Reel is continuous tape on a reel suitable for high-volume automated assembly. Cut Tape is pre-cut sections of tape suitable for lower-volume or mixed-component assembly. Component selection should be based on assembly equipment compatibility and procurement volume requirements.

Q: Are the Nexperia 1PS76SB70 series parts direct replacements?

A: The 1PS76SB70,115 and 1PS76SB70,135 are manufacturer-recommended equivalents with identical electrical specifications and SOD-323 package compatibility. The primary difference is maximum junction temperature: Nexperia parts are rated to 150°C versus 125°C for the Vishay BAS170WS-G3-08. These parts are suitable for applications requiring extended thermal performance or Nexperia component qualification.

Q: What does AEC-Q101 qualification mean for the BAS170WS-HE3 variants?

A: AEC-Q101 is an automotive industry standard qualification for discrete semiconductors. The BAS170WS-HE3-08 and BAS170WS-HE3-18 variants include this qualification, indicating enhanced reliability testing and documentation suitable for automotive applications. Non-automotive applications do not require this qualification; standard BAS170WS-E3 or BAS170WS-G3 variants are appropriate.

Q: Can I use parts with 150°C maximum junction temperature in place of 125°C rated parts?

A: Yes. A component rated for higher maximum junction temperature (150°C) can be used in applications designed for lower maximum junction temperature (125°C). The higher rating provides additional thermal margin and does not create compatibility issues. This substitution is suitable for applications requiring extended thermal performance or supply chain flexibility.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, ensuring compatibility with standard manufacturing processes and storage requirements.

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

A: The suffix indicates manufacturing process or qualification variant within the BAS170WS family. G3, E3, and HE3 are internal Vishay designations. All variants maintain identical electrical specifications and SOD-323 package compatibility. Selection among variants is determined by availability, packaging format, and automotive qualification requirements (HE3 includes AEC-Q101).

Q: Can I substitute BAS70JFILM or BAS70WX-TP for BAS170WS-G3-08?

A: Yes. Both BAS70JFILM (STMicroelectronics) and BAS70WX-TP (Micro Commercial Co) are manufacturer-recommended equivalents with identical electrical specifications and SOD-323 package compatibility. These parts support supply chain diversification and alternative sourcing while maintaining full functional equivalence.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message