BAS70LP-7B-79 Equivalent & Substitute Parts

Part Overview

The BAS70LP-7B-79 is a Schottky diode manufactured by Diodes Incorporated, rated for 70V reverse voltage and 70mA average rectified current in a surface mount 0402 (1006 Metric) package. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design support and procurement continuity. The part is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across a junction temperature range of -65°C to 150°C.

Substiute Parts

BAS70LP-7B-79

Diodes IncorporatedIn Stock: 1015BAS70LP-7B-79 Datasheet

Current PartRFQ

BAS70LP-7B

Diodes IncorporatedIn Stock: 145271BAS70LP-7B Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BAS70LP-7B-79 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must satisfy the following criteria:

Electrical Parameters (Must Match Exactly):

• Voltage - DC Reverse (Vr) (Max): 70 V
• Current - Average Rectified (Io): 70 mA
• Voltage - Forward (Vf) (Max) @ If: 960 mV @ 15 mA
• Reverse Recovery Time (trr): 1.6 ns
• Current - Reverse Leakage @ Vr: 10 µA @ 70 V
• Capacitance @ Vr, F: 1 pF @ 0V, 1MHz

Mechanical Parameters (Must Match Exactly):

• Package / Case: 0402 (1006 Metric)
• Mounting Type: Surface Mount
• Supplier Device Package: X1-DFN1006-2

Technology & Operating Conditions (Must Match Exactly):

• Technology: Schottky
• Operating Temperature - Junction: -65°C to 150°C

The BAS70LP-7B-79 is identified as obsolete. Active equivalent parts sharing identical electrical, mechanical, and thermal specifications enable direct replacement without circuit redesign or performance degradation.

Parameter Comparison

Engineering Selection Recommendations

The BAS70LP-7B is the direct active equivalent of the obsolete BAS70LP-7B-79. Both parts are manufactured by Diodes Incorporated and share identical electrical specifications, thermal characteristics, and package geometry. The BAS70LP-7B maintains full RoHS3 compliance and REACH unaffected status, consistent with the original part.

Selection of BAS70LP-7B for replacement applications is based on:

1. Product Status: BAS70LP-7B is active and maintains continuous manufacturing support, ensuring long-term availability and supply chain stability.

2. Electrical Equivalence: All critical parameters—reverse voltage, rectified current, forward voltage drop, reverse recovery time, reverse leakage current, and junction capacitance—are identical between the obsolete and active parts.

3. Mechanical Compatibility: Both parts utilize the same 0402 (1006 Metric) surface mount package with X1-DFN1006-2 supplier device package designation, enabling direct PCB footprint compatibility without layout modification.

4. Regulatory Compliance: Both parts maintain identical RoHS3 compliance, MSL 1 rating, and REACH unaffected status, satisfying environmental and regulatory requirements.

5. Thermal Performance: Operating temperature range of -65°C to 150°C junction temperature is maintained, supporting identical application temperature specifications.

Frequently Asked Questions (FAQ)

Q: Can BAS70LP-7B directly replace BAS70LP-7B-79 without circuit modification?

A: Yes. The BAS70LP-7B is electrically and mechanically identical to BAS70LP-7B-79. All electrical parameters, package dimensions, and thermal specifications match exactly. Direct substitution on existing PCB designs is supported without circuit redesign.

Q: What is the primary reason for substituting BAS70LP-7B-79?

A: BAS70LP-7B-79 is classified as obsolete. BAS70LP-7B is the active equivalent part manufactured by Diodes Incorporated with identical specifications and continuous production support.

Q: Are there packaging differences between BAS70LP-7B-79 and BAS70LP-7B?

A: Both parts use the 0402 (1006 Metric) surface mount package with X1-DFN1006-2 supplier device package designation. The primary packaging difference is that BAS70LP-7B is available in Cut Tape (CT) and Digi-Reel® formats, whereas BAS70LP-7B-79 was supplied in standard packaging. PCB footprint compatibility is identical.

Q: Do the forward voltage characteristics differ between these parts?

A: No. Both parts specify 960 mV maximum forward voltage at 15 mA forward current. Forward voltage drop performance is identical.

Q: Are reverse recovery time specifications the same?

A: Yes. Both parts specify 1.6 ns reverse recovery time, ensuring identical switching performance in high-frequency applications.

Q: What is the reverse leakage current specification?

A: Both parts specify 10 µA maximum reverse leakage current at 70 V reverse voltage, indicating identical leakage performance across the rated voltage range.

Q: Are both parts RoHS3 compliant?

A: Yes. Both BAS70LP-7B-79 and BAS70LP-7B are RoHS3 compliant with MSL 1 (unlimited) moisture sensitivity level and REACH unaffected status.

Q: What is the maximum junction temperature rating?

A: Both parts operate across a junction temperature range of -65°C to 150°C, supporting identical thermal specifications for industrial and commercial applications.

Q: Is the capacitance specification identical?

A: Yes. Both parts specify 1 pF capacitance at 0V and 1 MHz measurement frequency, ensuring identical high-frequency performance characteristics.