BAV70-7-F-31 Equivalent & Substitute Parts

Part Overview

The BAV70-7-F-31 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 packaged in SOT-23-3 (TO-236-3, SC-59) surface mount configuration and is qualified to AEC-Q101 automotive standards.

The BAV70-7-F-31 carries an obsolete product status. Equivalent and substitute parts listed below provide active alternatives with identical or compatible electrical and mechanical specifications, enabling continued design support and procurement flexibility.

Key Parameters

Parameter	Value
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 V @ 150 mA
Reverse Recovery Time (trr)	4 ns
Current - Reverse Leakage @ Vr	2.5 µA @ 75 V
Operating Temperature - Junction	-65°C ~ 150°C
Package / Case	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the BAV70-7-F-31 are selected based on strict electrical and mechanical parameter equivalence. The following criteria determine substitutability:

Primary Equivalence Criteria:

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 V @ 150 mA
Reverse Recovery Time (trr): 4 ns
Package / Case: TO-236-3, SC-59, SOT-23-3
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Secondary Compatibility Criteria:

Operating Temperature - Junction range (minimum -55°C to -65°C acceptable; maximum 150°C required)
Current - Reverse Leakage @ Vr: 2.5 µA @ 70 V to 75 V acceptable
Grade: Automotive
Qualification: AEC-Q101

All substitute parts listed maintain full electrical and mechanical compatibility with the BAV70-7-F-31 within the specified parameter tolerances.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Vr (Max)	Io (per Diode)	Vf (Max) @ If	trr	Ir @ Vr	Tj (Operating)	Package	Grade	AEC-Q101
BAV70-7-F-31	Diodes Incorporated	Obsolete	75 V	150 mA	1.25 V @ 150 mA	4 ns	2.5 µA @ 75 V	-65°C ~ 150°C	SOT-23-3	Automotive	Yes
BAV70-7-F	Diodes Incorporated	Active	75 V	150 mA	1.25 V @ 150 mA	4 ns	2.5 µA @ 75 V	-65°C ~ 150°C	SOT-23-3	Not specified	Not specified
BAV70Q-7-F	Diodes Incorporated	Active	75 V	150 mA	1.25 V @ 150 mA	4 ns	2.5 µA @ 75 V	-65°C ~ 150°C	SOT-23-3	Automotive	Yes
BAV70Q-13-F	Diodes Incorporated	Active	75 V	150 mA	1.25 V @ 150 mA	4 ns	2.5 µA @ 75 V	-65°C ~ 150°C	SOT-23-3	Automotive	Yes
ABAV70-HF	Comchip Technology	Active	75 V	150 mA	1.25 V @ 150 mA	4 ns	2.5 µA @ 70 V	-65°C ~ 150°C	SOT-23-3	Automotive	Yes
BAV70-AU_R1_000A1	Panjit International Inc.	Active	75 V	150 mA	1.25 V @ 150 mA	4 ns	2.5 µA @ 75 V	-55°C ~ 150°C	SOT-23-3	Automotive	Yes
BAV70_R1_00001	Panjit International Inc.	Active	75 V	150 mA	1.25 V @ 150 mA	4 ns	2.5 µA @ 75 V	-55°C ~ 150°C	SOT-23-3	Not specified	Not specified

Engineering Selection Recommendations

Direct Replacement (Identical Specifications):

BAV70-7-F (Diodes Incorporated) is the direct active equivalent to BAV70-7-F-31. This part maintains all electrical parameters, package configuration, and operating temperature range. Packaging is available in Cut Tape (CT) and Digi-Reel® formats.

Automotive-Qualified Alternatives:

BAV70Q-7-F and BAV70Q-13-F (Diodes Incorporated) are automotive-grade alternatives with AEC-Q101 qualification. Both parts are electrically and mechanically identical to the BAV70-7-F-31 and are supplied in Tape & Reel (TR) packaging. The suffix designations (Q-7-F and Q-13-F) indicate different tape reel configurations; electrical performance is equivalent.

Cross-Manufacturer Automotive Options:

ABAV70-HF (Comchip Technology) and BAV70-AU_R1_000A1 (Panjit International Inc.) provide automotive-qualified alternatives from different manufacturers. Both maintain the 75 V reverse voltage, 150 mA current rating, and SOT-23-3 package. ABAV70-HF specifies reverse leakage at 70 V rather than 75 V; this remains within acceptable tolerance. BAV70-AU_R1_000A1 specifies a minimum operating temperature of -55°C compared to -65°C on the original part; this represents a narrower temperature range suitable for most automotive applications.

Non-Automotive Alternative:

BAV70_R1_00001 (Panjit International Inc.) is an active equivalent without specified automotive grade or AEC-Q101 qualification. This part is suitable for non-automotive applications requiring identical electrical and mechanical specifications.

All listed substitutes are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can BAV70-7-F be used as a direct replacement for BAV70-7-F-31?

A: Yes. BAV70-7-F is the active equivalent with identical electrical specifications (75 V reverse voltage, 150 mA current, 1.25 V forward voltage, 4 ns recovery time) and SOT-23-3 package configuration. The primary difference is product status (active vs. obsolete) and packaging format availability.

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

A: Both parts are electrically and mechanically identical to BAV70-7-F-31. The suffix designations indicate different tape reel configurations for manufacturing and supply chain purposes. Selection between these parts depends on procurement and assembly requirements rather than electrical performance.

Q: Can ABAV70-HF from Comchip Technology be used in automotive applications?

A: Yes. ABAV70-HF carries automotive grade designation and AEC-Q101 qualification. The reverse leakage specification of 2.5 µA @ 70 V is within acceptable tolerance compared to the original specification of 2.5 µA @ 75 V. All other electrical and mechanical parameters are equivalent.

Q: Is BAV70_R1_00001 suitable for automotive applications?

A: BAV70_R1_00001 does not carry automotive grade designation or AEC-Q101 qualification. This part is suitable for non-automotive applications. For automotive designs, use BAV70Q-7-F, BAV70Q-13-F, ABAV70-HF, or BAV70-AU_R1_000A1.

Q: What is the operating temperature difference between BAV70-AU_R1_000A1 and BAV70-7-F-31?

A: BAV70-7-F-31 specifies -65°C to 150°C junction temperature range. BAV70-AU_R1_000A1 specifies -55°C to 150°C. The Panjit part has a narrower minimum temperature specification but maintains the same maximum rating. For applications requiring operation below -55°C, use BAV70-7-F-31, BAV70-7-F, BAV70Q-7-F, BAV70Q-13-F, or ABAV70-HF.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original BAV70-7-F-31 specification.

Q: What packaging formats are available for these substitutes?

A: BAV70-7-F is available in Cut Tape (CT) and Digi-Reel® formats. BAV70Q-7-F, BAV70Q-13-F, ABAV70-HF, BAV70-AU_R1_000A1, and BAV70_R1_00001 are supplied in Tape & Reel (TR) format. All parts use SOT-23-3 package configuration suitable for automated surface mount assembly.

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