BAS70SL Equivalent & Substitute Parts

Part Overview

The BAS70SL is a Schottky diode rated for 70 V DC reverse voltage and 70 mA average rectified current in a surface mount SOD-923F package. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design and procurement requirements. The BAS70SL serves applications requiring small-signal rectification, switching, and protection circuits where low forward voltage drop and fast switching characteristics are required.

Substiute Parts

BAS70SL

onsemiIn Stock: 5121BAS70SL Datasheet

Current PartRFQ

NSR0170P2T5G

onsemiIn Stock: 95226NSR0170P2T5G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BAS70SL is determined by matching the following critical electrical and mechanical parameters:

Electrical Parameters:

• Voltage - DC Reverse (Vr) (Max): 70 V minimum
• Current - Average Rectified (Io): 70 mA minimum
• Technology: Schottky diode
• Operating Temperature Range: -55°C to 150°C minimum

Mechanical Parameters:

• Package / Case: SOD-923
• Mounting Type: Surface Mount

The NSR0170P2T5G meets all substitution criteria as an active product with identical voltage and current ratings, matching package specifications, and equivalent temperature operating range. Both components are manufactured by onsemi and comply with ROHS3 and REACH requirements.

Parameter Comparison

Engineering Selection Recommendations

The NSR0170P2T5G is the direct equivalent substitute for the obsolete BAS70SL. Selection of the NSR0170P2T5G is based on the following factors:

Product Status: The NSR0170P2T5G is an active product with 95,200 pieces in stock, whereas the BAS70SL is obsolete with limited availability. For new designs and ongoing production, the NSR0170P2T5G provides supply continuity.

Electrical Equivalence: Both components share identical voltage and current ratings (70 V, 70 mA), identical package specifications (SOD-923), and identical operating temperature ranges (-55°C to 150°C). The NSR0170P2T5G exhibits a lower forward voltage drop (730 mV versus 1 V at 15 mA), which represents an improvement in efficiency.

Compliance: Both components are ROHS3 compliant, REACH unaffected, and carry identical ECCN and HTSUS classifications, ensuring regulatory compatibility.

Packaging: The NSR0170P2T5G is available in Cut Tape (CT) and Digi-Reel® packaging options, providing flexibility for both prototype and production environments.

Frequently Asked Questions (FAQ)

Q: Can the NSR0170P2T5G directly replace the BAS70SL in existing designs?

A: Yes. Both components are Schottky diodes with identical voltage ratings (70 V), current ratings (70 mA), package specifications (SOD-923), and operating temperature ranges (-55°C to 150°C). No circuit modifications are required for direct substitution.

Q: What is the difference in forward voltage drop between these parts?

A: The BAS70SL specifies a maximum forward voltage of 1 V at 15 mA, while the NSR0170P2T5G specifies 730 mV at 15 mA. The NSR0170P2T5G exhibits lower forward voltage drop, which reduces power dissipation in the application.

Q: Are there differences in reverse leakage current?

A: Yes. The BAS70SL specifies 200 nA at 50 V, while the NSR0170P2T5G specifies 3 µA at 70 V. The NSR0170P2T5G exhibits higher reverse leakage current at its rated voltage. Applications sensitive to leakage current should evaluate this parameter against circuit requirements.

Q: What packaging options are available for the NSR0170P2T5G?

A: The NSR0170P2T5G is supplied in Cut Tape (CT) and Digi-Reel® packaging formats, suitable for both manual assembly and automated pick-and-place production environments.

Q: Are both components RoHS compliant?

A: Yes. Both the BAS70SL and NSR0170P2T5G are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Why is the BAS70SL classified as obsolete?

A: The BAS70SL is listed as obsolete by the manufacturer. The NSR0170P2T5G is the active equivalent product and is the recommended selection for new designs and ongoing procurement.