BAV70W/ZLF Equivalent & Substitute Parts

Part Overview

The BAV70W/ZLF is a general-purpose diode array manufactured by Nexperia USA Inc., configured as a 1 Pair Common Cathode device rated for 100 V DC reverse voltage and 175 mA average rectified current per diode. The device is packaged in SC-70, SOT-323 surface mount configuration and is classified as obsolete product status.

Due to the obsolete status of BAV70W/ZLF, equivalent substitute parts with active product status are available. These substitutes maintain identical electrical and mechanical specifications, enabling direct replacement in existing designs while ensuring continued component availability and supply chain continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io) (per Diode)	175 mA (DC)
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA
Reverse Recovery Time (trr)	4 ns
Current - Reverse Leakage @ Vr	500 nA @ 80 V
Operating Temperature - Junction (Max)	150°C
Package / Case	SC-70, SOT-323
Mounting Type	Surface Mount
Technology	Standard
Speed Classification	Small Signal ≤ 200 mA (Io), Any Speed

Substitute Part Grouping Explanation

Substitution of BAV70W/ZLF is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute parts BAV70W,135 and BAV70W,115 are qualified as direct equivalents based on the following criteria:

Electrical Parameter Equivalence:

Identical DC reverse voltage rating: 100 V
Identical average rectified current per diode: 175 mA
Identical forward voltage specification: 1.25 V @ 150 mA
Identical reverse recovery time: 4 ns
Identical reverse leakage current: 500 nA @ 80 V
Identical junction temperature rating: 150°C
Identical speed classification: Small Signal ≤ 200 mA, Any Speed

Mechanical Parameter Equivalence:

Identical package type: SC-70, SOT-323
Identical mounting type: Surface Mount
Identical diode configuration: 1 Pair Common Cathode
Identical technology: Standard

Compliance Equivalence:

RoHS3 Compliant
REACH Unaffected
Moisture Sensitivity Level (MSL): 1 (Unlimited)

The primary distinction between substitute parts is product status and packaging format. BAV70W,135 and BAV70W,115 are both active products supplied in Tape & Reel (TR) packaging, whereas BAV70W/ZLF is obsolete with unspecified packaging format.

Parameter Comparison

Parameter	BAV70W/ZLF (Main)	BAV70W,135 (Substitute)	BAV70W,115 (Substitute)
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Product Status	Obsolete	Active	Active
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Standard	Standard	Standard
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V
Current - Average Rectified (Io) (per Diode)	175 mA (DC)	175 mA (DC)	175 mA (DC)
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA	1.25 V @ 150 mA	1.25 V @ 150 mA
Speed	Small Signal ≤ 200 mA (Io), Any Speed	Small Signal ≤ 200 mA (Io), Any Speed	Small Signal ≤ 200 mA (Io), Any Speed
Reverse Recovery Time (trr)	4 ns	4 ns	4 ns
Current - Reverse Leakage @ Vr	500 nA @ 80 V	500 nA @ 80 V	500 nA @ 80 V
Operating Temperature - Junction (Max)	150°C	150°C	150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323
Supplier Device Package	SOT-323	SOT-323	SOT-323
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99
HTSUS	8541.10.0070	8541.10.0070	8541.10.0070

Engineering Selection Recommendations

BAV70W,135 is suitable for applications requiring active product status with standard Tape & Reel packaging. This part maintains full electrical and mechanical equivalence to BAV70W/ZLF while offering active product support and established supply chain availability.

BAV70W,115 is suitable for applications requiring active product status with high inventory availability. This part maintains full electrical and mechanical equivalence to BAV70W/ZLF and provides the largest available inventory stock among active alternatives.

Both substitute parts are RoHS3 Compliant and REACH Unaffected, meeting regulatory requirements equivalent to the main part. Selection between BAV70W,135 and BAV70W,115 is determined by packaging format requirements and inventory availability rather than electrical or mechanical performance differences.

Frequently Asked Questions (FAQ)

Q: Can BAV70W,135 or BAV70W,115 be used as direct replacements for BAV70W/ZLF?

A: Yes. Both substitute parts are electrically and mechanically equivalent to BAV70W/ZLF across all specified parameters, including voltage ratings, current ratings, forward voltage characteristics, reverse recovery time, leakage current, temperature ratings, and package configuration. Direct substitution is supported without circuit modification.

Q: What is the primary difference between BAV70W/ZLF and the substitute parts?

A: The primary difference is product status. BAV70W/ZLF is classified as obsolete, while BAV70W,135 and BAV70W,115 are active products. Both substitute parts are supplied in Tape & Reel packaging format, ensuring consistent supply chain availability.

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

A: No. All three parts share identical compliance certifications: RoHS3 Compliant, REACH Unaffected, Moisture Sensitivity Level 1 (Unlimited), ECCN EAR99, and HTSUS 8541.10.0070.

Q: What is the difference between BAV70W,135 and BAV70W,115?

A: Both parts are electrically and mechanically identical. The difference is inventory availability. BAV70W,115 has significantly higher stock levels (62,824 pcs) compared to BAV70W,135 (9,930 pcs).

Q: Is the SC-70, SOT-323 package compatible with existing PCB layouts designed for BAV70W/ZLF?

A: Yes. All three parts use identical SC-70, SOT-323 surface mount packaging with identical pin configuration and footprint requirements. PCB layouts and assembly processes require no modification.

Q: What is the common cathode configuration in the BAV70 diode array?

A: The 1 Pair Common Cathode configuration contains two independent diodes with a shared cathode connection. This configuration is identical across BAV70W/ZLF, BAV70W,135, and BAV70W,115.

Q: Are these parts suitable for high-speed switching applications?

A: These parts are classified as Small Signal devices with reverse recovery time of 4 ns, suitable for general-purpose rectification and switching applications within the specified current rating of 175 mA per diode.

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