BAV70-7 Equivalent & Substitute Parts

Part Overview

The BAV70-7 is a general-purpose diode array manufactured by Diodes Incorporated, configured as 1 pair common cathode with 75 V reverse voltage rating and 150 mA average rectified current per diode. The device is housed in a SOT-23-3 surface mount package suitable for high-density circuit board applications.

The BAV70-7 is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from multiple manufacturers with identical or enhanced electrical characteristics, ensuring design continuity and supply chain flexibility for new production and replacement applications.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Voltage - DC Reverse (Vr) (Max)	75	V
Current - Average Rectified (Io) (per Diode)	150	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 150	V @ mA
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	2.5 @ 75	µA @ V
Operating Temperature - Junction	-65 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Technology	Standard	—

Substitute Part Grouping Explanation

Substitute parts for the BAV70-7 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents maintain identical electrical specifications across all critical parameters: 75 V reverse voltage, 150 mA average rectified current, 1.25 V forward voltage at 150 mA, 4 ns reverse recovery time, and SOT-23-3 package. These parts differ only in packaging format (Cut Tape vs. Tape & Reel) or RoHS compliance status. Parametric equivalents include BAV70-7-F, BAV70Q-13-F, and BAV70Q-7-F.

Manufacturer Recommended Substitutes provide enhanced electrical performance while maintaining the same diode configuration, package family, and mounting type. These parts exceed the BAV70-7 specifications in one or more parameters: reverse voltage (100 V vs. 75 V), average rectified current (200–215 mA vs. 150 mA), or reverse leakage characteristics. Recommended substitutes include BAV70,215, BAV70,235, BAV70-TP, BAV70E6433HTMA1, BAV70LT1G, BAV70LT3G, and BAV70W,115.

Substitution eligibility is determined by the following criteria:

Diode configuration must remain 1 pair common cathode
Reverse voltage rating must equal or exceed 75 V
Average rectified current must equal or exceed 150 mA
Package must be surface mount in TO-236-3 or compatible footprint
Forward voltage and reverse recovery time must be compatible with circuit design requirements

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [mA]	Vf (Max) @ If [V @ mA]	trr [ns]	Ir @ Vr [µA @ V]	Package	Product Status	RoHS Status
BAV70-7	Diodes Incorporated	75	150	1.25 @ 150	4	2.5 @ 75	SOT-23-3	Discontinued	Non-compliant
BAV70-7-F	Diodes Incorporated	75	150	1.25 @ 150	4	2.5 @ 75	SOT-23-3	Active	ROHS3 Compliant
BAV70Q-13-F	Diodes Incorporated	75	150	1.25 @ 150	4	2.5 @ 75	SOT-23-3	Active	ROHS3 Compliant
BAV70Q-7-F	Diodes Incorporated	75	150	1.25 @ 150	4	2.5 @ 75	SOT-23-3	Active	ROHS3 Compliant
BAV70,215	Nexperia USA Inc.	100	215	1.25 @ 150	4	0.5 @ 80	SOT-23-3	Active	ROHS3 Compliant
BAV70,235	Nexperia USA Inc.	100	215	1.25 @ 150	4	0.5 @ 80	SOT-23-3	Active	ROHS3 Compliant
BAV70-TP	Micro Commercial Co	75	150	0.855 @ 10	4	2.5 @ 75	SOT-23-3	Active	ROHS3 Compliant
BAV70E6433HTMA1	Infineon Technologies	80	200	1.25 @ 150	4	0.15 @ 70	SOT-23-3	Last Time Buy	ROHS3 Compliant
BAV70LT1G	onsemi	100	200	1.25 @ 150	6	2.5 @ 70	SOT-23-3	Active	ROHS3 Compliant
BAV70LT3G	onsemi	100	200	1.25 @ 150	6	2.5 @ 70	SOT-23-3	Active	ROHS3 Compliant
BAV70W,115	Nexperia USA Inc.	100	175	1.25 @ 150	4	0.5 @ 80	SOT-323	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Parametric Equivalents (Recommended for Drop-In Replacement)

BAV70-7-F, BAV70Q-13-F, and BAV70Q-7-F are parametric equivalents of the BAV70-7 with identical electrical specifications. All three are manufactured by Diodes Incorporated and maintain the same 75 V reverse voltage, 150 mA average rectified current, and SOT-23-3 package footprint. These parts are suitable for direct substitution in existing designs without circuit modification.

BAV70-7-F is available in Cut Tape and Digi-Reel packaging with ROHS3 compliance and Active product status, providing the highest supply availability and regulatory compliance.

BAV70Q-13-F and BAV70Q-7-F are automotive-grade variants qualified to AEC-Q101 standard, available in Tape & Reel packaging. These parts are appropriate for automotive and mission-critical applications requiring automotive qualification.

Enhanced Performance Substitutes (For Upgraded Designs)

BAV70,215 and BAV70,235 (Nexperia USA Inc.) provide enhanced specifications with 100 V reverse voltage and 215 mA average rectified current, representing a 33% increase in current capacity. Both maintain the SOT-23-3 package and 1.25 V forward voltage characteristic. These parts are suitable for applications requiring higher current handling or improved voltage margin. BAV70,235 offers higher inventory availability in Tape & Reel format.

BAV70LT1G and BAV70LT3G (onsemi) provide 100 V reverse voltage and 200 mA average rectified current with Active product status and extensive inventory. These parts are suitable for designs requiring higher voltage rating or increased current capacity while maintaining the SOT-23-3 package.

BAV70-TP (Micro Commercial Co) maintains the 75 V reverse voltage and 150 mA current rating with Active product status and ROHS3 compliance. This part is suitable for applications where the original BAV70-7 specifications are required with improved supply availability.

BAV70E6433HTMA1 (Infineon Technologies) provides 80 V reverse voltage and 200 mA average rectified current. This part carries Last Time Buy status and is suitable only for applications where supply continuity is not a primary concern.

Package Consideration

BAV70W,115 (Nexperia USA Inc.) uses SOT-323 package (SC-70), which is physically smaller than the SOT-23-3 package of the BAV70-7. This part is suitable only for designs with SOT-323 footprint compatibility and is not recommended as a direct replacement without PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can BAV70-7-F be used as a direct replacement for BAV70-7?

A: Yes. BAV70-7-F is a parametric equivalent with identical electrical specifications (75 V reverse voltage, 150 mA average rectified current, 1.25 V forward voltage, 4 ns reverse recovery time) and the same SOT-23-3 package. The primary difference is product status (Active vs. Discontinued) and RoHS compliance (ROHS3 vs. Non-compliant). No circuit modification is required.

Q: What is the difference between BAV70Q-13-F and BAV70Q-7-F?

A: Both parts are parametric equivalents of BAV70-7 with identical electrical specifications and SOT-23-3 package. Both are automotive-grade variants qualified to AEC-Q101 standard. The difference is in packaging format: BAV70Q-13-F is supplied in Tape & Reel with 13-inch reel, while BAV70Q-7-F is supplied in Tape & Reel with 7-inch reel. Selection depends on production volume and reel format requirements.

Q: Can BAV70LT1G replace BAV70-7 in my circuit?

A: BAV70LT1G is a suitable substitute with enhanced specifications: 100 V reverse voltage (vs. 75 V), 200 mA average rectified current (vs. 150 mA), and identical SOT-23-3 package. The higher voltage and current ratings provide design margin. Reverse recovery time is 6 ns (vs. 4 ns), which may affect high-frequency switching performance. Verify circuit timing requirements before substitution.

Q: Why would I choose BAV70,215 over BAV70-7-F?

A: BAV70,215 provides enhanced performance with 100 V reverse voltage and 215 mA average rectified current, offering 33% higher current capacity and improved voltage margin. This part is suitable for applications requiring higher current handling, improved reliability margin, or designs operating near the BAV70-7 current limit. Both parts use the SOT-23-3 package and maintain identical forward voltage characteristics.

Q: Is BAV70W,115 compatible with BAV70-7?

A: BAV70W,115 is not recommended as a direct replacement. While it provides enhanced specifications (100 V reverse voltage, 175 mA average rectified current), it uses SOT-323 package (SC-70) instead of SOT-23-3. The SOT-323 package has a different footprint and pin spacing, requiring PCB layout modification. Substitution is only appropriate for designs with SOT-323 footprint compatibility.

Q: What is the significance of AEC-Q101 qualification on BAV70Q-13-F and BAV70Q-7-F?

A: AEC-Q101 is the automotive industry standard for discrete semiconductor reliability and quality. Parts qualified to AEC-Q101 undergo additional testing for temperature cycling, moisture resistance, and long-term reliability. These parts are required for automotive applications and mission-critical systems where component reliability is specified. Non-automotive applications do not require AEC-Q101 qualification.

Q: Can I use BAV70E6433HTMA1 for new production?

A: BAV70E6433HTMA1 carries Last Time Buy status, indicating the manufacturer is discontinuing production. This part is suitable only for existing production runs or applications where supply continuity is not a concern. For new production designs, select from Active status parts such as BAV70-7-F, BAV70LT1G, or BAV70,235.

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

A: Cut Tape (CT) packaging supplies components on individual tape segments, suitable for low-volume production, prototyping, and component-level procurement. Tape & Reel (TR) packaging supplies components on continuous reels, suitable for high-volume automated assembly. Selection depends on production volume and assembly equipment compatibility. Both packaging formats contain identical components.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed are ROHS3 compliant except the original BAV70-7, which is RoHS non-compliant. ROHS3 compliance is required for products sold in the European Union and many other markets. For applications subject to RoHS regulations, select from ROHS3 compliant alternatives such as BAV70-7-F, BAV70LT1G, or BAV70,235.

Q: What does "1 Pair Common Cathode" configuration mean?

A: This configuration contains two independent diodes with a shared cathode terminal. The common cathode connection allows both diodes to share a single ground reference, reducing the number of required pins from six (two separate diodes) to three (two anodes plus common cathode). This configuration is standard for BAV70 series parts and all listed substitutes.

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