BAT74V,115 Equivalent & Substitute Parts

Part Overview

The BAT74V,115 is a Schottky diode array featuring 2 independent diodes rated for 30 V DC reverse voltage and 200 mA average rectified current per diode. Manufactured by Nexperia USA Inc., this component is packaged in SOT-563 and SOT-666 surface mount configurations. The part carries a "Not For New Designs" product status, indicating that Nexperia has discontinued active development and support for this model. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and transition to actively supported alternatives that meet the same electrical and mechanical requirements.

Key Parameters

Parameter	Value
Diode Configuration	2 Independent
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io) (per Diode)	200 mA (DC)
Voltage - Forward (Vf) (Max) @ If	800 mV @ 100 mA
Current - Reverse Leakage @ Vr	2 µA @ 25 V
Speed Classification	Small Signal ≤ 200 mA (Io), Any Speed
Mounting Type	Surface Mount
Package / Case	SOT-563, SOT-666
Operating Temperature - Junction (Max)	125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the BAT74V,115 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Diode configuration: 2 Independent diodes
Technology: Schottky
Voltage - DC Reverse (Vr) (Max): 30 V
Current - Average Rectified (Io) (per Diode): 200 mA (DC)
Current - Reverse Leakage @ Vr: 2 µA @ 25 V

Mechanical Equivalence Criteria:

Mounting Type: Surface Mount
Package / Case: SOT-563, SOT-666 compatibility

Compliance Criteria:

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

The substitute parts BAT54V-TP (Micro Commercial Co) and BAT54V-7 (Diodes Incorporated) meet all electrical and mechanical requirements. Both parts are classified as Active products, providing ongoing manufacturer support and supply chain availability. Forward voltage characteristics differ slightly between the main part and substitutes, with substitutes rated at 1 V @ 100 mA compared to the BAT74V,115 at 800 mV @ 100 mA; however, both values remain within acceptable Schottky diode performance ranges for small-signal applications.

Parameter Comparison

Parameter	BAT74V,115 (Nexperia)	BAT54V-TP (Micro Commercial Co)	BAT54V-7 (Diodes Incorporated)
Diode Configuration	2 Independent	2 Independent	2 Independent
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V	30 V	30 V
Current - Average Rectified (Io) (per Diode)	200 mA (DC)	200 mA	200 mA (DC)
Voltage - Forward (Vf) (Max) @ If	800 mV @ 100 mA	1 V @ 100 mA	1 V @ 100 mA
Current - Reverse Leakage @ Vr	2 µA @ 25 V	2 µA @ 25 V	2 µA @ 25 V
Speed Classification	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)	Not specified	5 ns	5 ns
Operating Temperature - Junction	125°C (Max)	-65°C ~ 150°C	-65°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	SOT-563, SOT-666	SOT-563, SOT-666	SOT-563, SOT-666
Supplier Device Package	SOT-666	SOT-563	SOT-563
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Not For New Designs	Active	Active

Engineering Selection Recommendations

BAT54V-TP (Micro Commercial Co) is the primary substitute for BAT74V,115. This part maintains full electrical and mechanical equivalence while offering Active product status with ongoing manufacturer support. The extended operating temperature range (-65°C ~ 150°C) provides additional thermal margin compared to the BAT74V,115 maximum of 125°C. The specified reverse recovery time of 5 ns ensures predictable switching performance in high-frequency applications. ROHS3 compliance and MSL 1 rating confirm environmental and handling compatibility with modern manufacturing processes.

BAT54V-7 (Diodes Incorporated) serves as a secondary substitute option. This part meets all core electrical and mechanical requirements with Active product status. The operating temperature range (-65°C ~ 125°C) matches the BAT74V,115 maximum junction temperature, providing equivalent thermal performance. Reverse recovery time specification of 5 ns aligns with BAT54V-TP performance characteristics. ROHS3 compliance and MSL 1 rating ensure full regulatory and manufacturing compatibility.

Both substitute parts eliminate the obsolescence risk associated with the BAT74V,115 "Not For New Designs" status while maintaining functional equivalence for existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can BAT54V-TP or BAT54V-7 be used as direct replacements for BAT74V,115 in existing designs?

A: Yes. Both substitute parts meet the critical electrical parameters: 30 V DC reverse voltage, 200 mA average rectified current per diode, 2 µA reverse leakage current at 25 V, and identical diode configuration (2 independent). Surface mount packaging in SOT-563 and SOT-666 ensures mechanical compatibility. Forward voltage differs slightly (1 V vs. 800 mV @ 100 mA), but both values are within acceptable Schottky diode performance ranges for small-signal applications.

Q: What is the primary advantage of switching from BAT74V,115 to BAT54V-TP or BAT54V-7?

A: Both substitute parts carry Active product status, ensuring ongoing manufacturer support, continued availability, and supply chain reliability. The BAT74V,115 is classified as "Not For New Designs," indicating discontinued development and potential future unavailability. Substitution secures long-term design viability.

Q: Are there package compatibility considerations when substituting these parts?

A: The BAT74V,115 is supplied in SOT-666 package, while BAT54V-TP and BAT54V-7 are supplied in SOT-563 package. Both packages are functionally equivalent for SOT-563 and SOT-666 footprints. Verify that your PCB layout accommodates the supplier device package specification. If your design uses SOT-666 footprints exclusively, confirm that SOT-563 components are compatible with your assembly process.

Q: Do the substitute parts meet the same compliance requirements as BAT74V,115?

A: Yes. BAT54V-TP and BAT54V-7 are both ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the BAT74V,115 specifications. Both parts carry REACH Unaffected status and EAR99 export classification, identical to the original part.

Q: What is the significance of the reverse recovery time (trr) specification in BAT54V-TP and BAT54V-7?

A: Reverse recovery time of 5 ns indicates the time required for the diode to transition from forward conduction to reverse blocking. This specification is not provided for BAT74V,115 but is documented for both substitutes. The 5 ns value ensures predictable switching behavior in applications requiring fast transient response, particularly in high-frequency rectification and signal switching circuits.

Q: How do the operating temperature ranges compare between the main part and substitutes?

A: BAT74V,115 specifies a maximum junction temperature of 125°C. BAT54V-TP extends this to 150°C maximum, providing additional thermal margin. BAT54V-7 matches the 125°C maximum. Both substitutes specify minimum operating temperature of -65°C, enabling operation across extended temperature ranges compared to the BAT74V,115 specification.

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