BAS70-05,235 Equivalent & Substitute Parts

Part Overview

The BAS70-05,235 is a Schottky diode array manufactured by Nexperia USA Inc., configured as a 1 Pair Common Cathode device rated for 70 V DC reverse voltage and 70 mA average rectified current per diode. The device is housed in a Surface Mount TO-236-3 (SC-59, SOT-23-3) package and is classified as a small signal Schottky rectifier. The part is currently Active in product status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring identical or compatible Schottky diode array functionality.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Common Cathode	—
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	70	V
Current - Average Rectified (Io) (per Diode)	70	mA (DC)
Voltage - Forward (Vf) (Max) @ If	1 V @ 15 mA	—
Current - Reverse Leakage @ Vr	10	µA @ 70 V
Operating Temperature - Junction (Max)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Speed Classification	Small Signal ≤ 200 mA (Io), Any Speed	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BAS70-05,235 is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Diode Configuration: 1 Pair Common Cathode (mandatory)
Technology: Schottky (mandatory)
Voltage - DC Reverse (Vr) (Max): 70 V (mandatory)
Current - Average Rectified (Io) (per Diode): 70 mA (DC) (mandatory)
Mounting Type: Surface Mount (mandatory)
Package / Case: TO-236-3, SC-59, SOT-23-3 (mandatory)

Secondary Compatibility Parameters:

Voltage - Forward (Vf) (Max) @ If: 1 V @ 15 mA (preferred equivalence)
Operating Temperature - Junction: 150°C (Max) (preferred equivalence)
Current - Reverse Leakage @ Vr: 10 µA @ 70 V (preferred equivalence)
RoHS3 Compliance (preferred equivalence)
MSL 1 (Unlimited) (preferred equivalence)

Substitute parts are classified into two categories:

Parametric Equivalents: Parts that match all primary substitution criteria and secondary compatibility parameters without deviation.

Similar Parts: Parts that match all primary substitution criteria but may exhibit variations in secondary parameters such as reverse recovery time, reverse leakage current specifications, or operating temperature range. These parts are functionally compatible within the specified electrical envelope but may require application-level verification for performance-critical circuits.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [mA]	Vf (Max) @ If	Ir @ Vr [µA or nA]	Tj (Max) [°C]	Package	RoHS3	MSL
BAS70-05,235	Nexperia USA Inc.	70	70	1 V @ 15 mA	10 µA @ 70 V	150	TO-236-3, SC-59, SOT-23-3	Yes	1
BAS70-05,215	NXP USA Inc.	70	70	1 V @ 15 mA	10 µA @ 70 V	150	TO-236-3, SC-59, SOT-23-3	—	—
BAS70-05-7-F	Diodes Incorporated	70	70	1 V @ 15 mA	100 nA @ 50 V	125	TO-236-3, SC-59, SOT-23-3	Yes	1
BAS70-05-E3-08	Vishay General Semiconductor - Diodes Division	70	200	410 mV @ 1 mA	100 nA @ 50 V	125	TO-236-3, SC-59, SOT-23-3	Yes	1
BAS70-05-TP	Micro Commercial Co	70	70	1 V @ 15 mA	200 nA @ 50 V	125	TO-236-3, SC-59, SOT-23-3	Yes	1
BAS7005E6327HTSA1	Infineon Technologies	70	70	1 V @ 15 mA	100 nA @ 50 V	150	TO-236-3, SC-59, SOT-23-3	Yes	1
BAS7005E6433HTMA1	Infineon Technologies	70	70	1 V @ 15 mA	100 nA @ 50 V	150	TO-236-3, SC-59, SOT-23-3	Yes	1
BAS70-05FILM	STMicroelectronics	70	70	1 V @ 15 mA	10 µA @ 70 V	150	TO-236-3, SC-59, SOT-23-3	Yes	1

Engineering Selection Recommendations

Parametric Equivalents (Direct Substitution):

The following parts are parametric equivalents to the BAS70-05,235 and are suitable for direct substitution without circuit modification:

BAS70-05,215 (NXP USA Inc.): Identical electrical specifications and package. Active product status. Recommended for applications requiring NXP sourcing or inventory consolidation.
BAS70-05FILM (STMicroelectronics): Identical electrical specifications, package, and thermal characteristics. RoHS3 compliant, MSL 1. Recommended for applications requiring STMicroelectronics sourcing or supply chain diversification.

Similar Parts (Functionally Compatible with Parameter Variations):

The following parts match primary substitution criteria but exhibit variations in secondary parameters:

BAS70-05-7-F (Diodes Incorporated): Matches voltage, current, and package specifications. Operating temperature range is -55°C to 125°C (versus 150°C max for main part). Reverse leakage is 100 nA @ 50 V (lower than 10 µA @ 70 V). RoHS3 compliant, MSL 1. Suitable for applications within the -55°C to 125°C operating window.
BAS70-05-TP (Micro Commercial Co): Matches voltage, current, and package specifications. Operating temperature range is -55°C to 125°C. Reverse leakage is 200 nA @ 50 V. RoHS3 compliant, MSL 1. High inventory availability (248,307 pcs). Suitable for applications within the -55°C to 125°C operating window.
BAS7005E6327HTSA1 (Infineon Technologies): Matches voltage, current, forward voltage, and package specifications. Operating temperature maximum is 150°C. Reverse leakage is 100 nA @ 50 V. RoHS3 compliant, MSL 1. Suitable for direct substitution with equivalent thermal performance.
BAS7005E6433HTMA1 (Infineon Technologies): Matches voltage, current, forward voltage, and package specifications. Operating temperature maximum is 150°C. Reverse leakage is 100 nA @ 50 V. RoHS3 compliant, MSL 1. Tape & Reel packaging. Suitable for direct substitution with equivalent thermal performance.

Higher Current Rating Alternative:

BAS70-05-E3-08 (Vishay General Semiconductor - Diodes Division): Rated for 200 mA average rectified current per diode (versus 70 mA for main part). Voltage and package specifications match. Forward voltage is 410 mV @ 1 mA. Operating temperature maximum is 125°C. RoHS3 compliant, MSL 1. This part is suitable only for applications where higher current capacity is required and operating temperature does not exceed 125°C.

All substitute parts listed are Active in product status and RoHS3 compliant. Selection should be based on sourcing requirements, inventory availability, and application-specific operating temperature constraints.

Frequently Asked Questions (FAQ)

Q: Can BAS70-05,215 be used as a direct replacement for BAS70-05,235?

A: Yes. BAS70-05,215 is a parametric equivalent with identical electrical specifications (70 V, 70 mA, 1 V forward voltage @ 15 mA, 10 µA reverse leakage @ 70 V) and the same TO-236-3 package. Both are manufactured by NXP entities and are Active products. Direct substitution is supported without circuit modification.

Q: What is the difference between BAS70-05FILM and BAS70-05,235?

A: BAS70-05FILM is manufactured by STMicroelectronics and is a parametric equivalent to BAS70-05,235. Electrical specifications, package, and thermal characteristics are identical. The primary difference is the manufacturer. Both are RoHS3 compliant with MSL 1. Selection between them is based on sourcing preference or supply chain strategy.

Q: Can BAS70-05-TP be used in place of BAS70-05,235?

A: BAS70-05-TP is functionally compatible with BAS70-05,235 for applications operating within -55°C to 125°C. Both devices have identical voltage (70 V), current (70 mA), and package specifications. The operating temperature range of BAS70-05-TP is narrower than BAS70-05,235 (which is rated to 150°C max). Reverse leakage is 200 nA @ 50 V versus 10 µA @ 70 V for the main part. Substitution is suitable for standard temperature range applications.

Q: Why is BAS70-05-E3-08 listed as a similar part rather than a direct equivalent?

A: BAS70-05-E3-08 has a higher current rating (200 mA per diode versus 70 mA) and different forward voltage characteristics (410 mV @ 1 mA versus 1 V @ 15 mA). Additionally, the maximum operating temperature is 125°C versus 150°C for the main part. While the voltage rating and package are identical, the current and thermal specifications differ. This part is suitable only for applications requiring higher current capacity and operating within the 125°C temperature limit.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed are RoHS3 compliant. BAS70-05,215 does not explicitly state RoHS3 status in the provided data but is manufactured by NXP USA Inc., a major supplier of RoHS3-compliant components. All other substitute parts are confirmed RoHS3 compliant.

Q: What is the difference between BAS7005E6327HTSA1 and BAS7005E6433HTMA1?

A: Both parts are manufactured by Infineon Technologies and have identical electrical specifications (70 V, 70 mA, 1 V @ 15 mA forward voltage, 100 nA @ 50 V reverse leakage, 150°C max operating temperature). The primary difference is packaging: BAS7005E6327HTSA1 is supplied in Cut Tape (CT) & Digi-Reel format, while BAS7005E6433HTMA1 is supplied in Tape & Reel (TR) format. Selection is based on procurement and assembly requirements.

Q: Can BAS70-05-7-F be used in high-temperature applications?

A: BAS70-05-7-F has a maximum operating temperature of 125°C, which is lower than the BAS70-05,235 rating of 150°C. This part is not suitable for applications requiring operation above 125°C. For high-temperature applications, use BAS70-05,235, BAS70-05FILM, BAS7005E6327HTSA1, or BAS7005E6433HTMA1, all rated to 150°C.

Q: Are all substitute parts available in the same package?

A: Yes. All substitute parts are housed in the TO-236-3 (SC-59, SOT-23-3) Surface Mount package, which is identical to the BAS70-05,235. Package compatibility is confirmed across all listed alternatives.

Q: What is the inventory status of substitute parts?

A: Inventory availability varies by part and supplier. BAS70-05-TP has the highest inventory (248,307 pcs), followed by BAS70-05,215 (18,300 pcs) and BAS7005E6433HTMA1 (30,864 pcs). Specific inventory levels should be verified with the respective supplier or distributor at the time of procurement.

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