1PS181,135 Diode Array Equivalent & Substitute Parts

Part Overview

The 1PS181,135 is a general-purpose diode array manufactured by NXP USA Inc., configured as a 1 Pair Common Anode device in Surface Mount TO-236-3 (SC-59, SOT-23-3) packaging. This component is rated for 80 V DC reverse voltage with 215 mA average rectified current per diode and features fast recovery characteristics with 4 ns reverse recovery time.

The 1PS181,135 has reached obsolete product status. Identifying equivalent substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this diode array configuration.

Substiute Parts

1PS181,135

NXP USA Inc.In Stock: 10971PS181,135 Datasheet

Current PartRFQ

BAW56,215

Nexperia USA Inc.In Stock: 5825BAW56,215 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1PS181,135 is determined by strict electrical and mechanical parameter compatibility within the diode array category. The following parameters establish the substitution criteria:

Critical Matching Parameters:

• Diode Configuration: 1 Pair Common Anode (pin-compatible requirement)
• Package / Case: TO-236-3, SC-59, SOT-23-3 (mechanical and thermal compatibility)
• Current - Average Rectified (Io): 215 mA (DC) minimum per diode
• Speed Classification: Fast Recovery ≤ 500 ns, > 200 mA (Io)
• Reverse Recovery Time (trr): 4 ns
• Operating Temperature - Junction: 150°C (Max)
• RoHS Status: ROHS3 Compliant

Allowable Parameter Variations:

• Voltage - DC Reverse (Vr) (Max): Equal to or greater than 80 V
• Voltage - Forward (Vf) (Max) @ If: Equal to or less than specified reference conditions
• Current - Reverse Leakage @ Vr: Equal to or less than 500 nA @ 80 V

The BAW56,215 meets all critical matching parameters and allowable variations, qualifying it as a direct substitute for the obsolete 1PS181,135.

Parameter Comparison

Engineering Selection Recommendations

The BAW56,215 manufactured by Nexperia USA Inc. is the qualified substitute for the obsolete 1PS181,135. Selection is based on the following engineering criteria:

Product Status: The 1PS181,135 is obsolete, while the BAW56,215 maintains active product status with confirmed inventory availability (5800 Pcs New Original In Stock), ensuring long-term supply chain viability.

Compliance & Certifications: Both components maintain ROHS3 compliance and REACH unaffected status. The BAW56,215 carries additional automotive-grade qualification (AEC-Q101), providing enhanced reliability documentation for applications requiring automotive-level traceability.

Electrical Performance: The BAW56,215 provides equivalent or superior electrical characteristics across all critical parameters. The 90 V reverse voltage rating exceeds the 80 V requirement of the original part, offering improved voltage margin. Current ratings, recovery time, and leakage characteristics are identical.

Mechanical & Thermal Compatibility: Identical package designation (TO-236-3, SC-59, SOT-23-3) and mounting type ensure direct PCB compatibility without layout modifications. Thermal performance remains unchanged at 150°C maximum junction temperature.

Supply Chain: The BAW56,215 is available in Cut Tape (CT) and Digi-Reel® packaging formats, supporting both prototype and production volume requirements.

Frequently Asked Questions (FAQ)

Q: Can the BAW56,215 be used as a direct replacement for the 1PS181,135 without PCB modifications?

A: Yes. Both components share identical package designation (TO-236-3, SC-59, SOT-23-3) and pin configuration (1 Pair Common Anode). No PCB layout changes are required for mechanical or electrical substitution.

Q: What is the significance of the higher 90 V reverse voltage rating on the BAW56,215?

A: The BAW56,215 90 V rating exceeds the 1PS181,135 80 V specification, providing additional voltage margin in the application. This does not create incompatibility; it represents improved performance headroom. The component remains suitable for all applications designed for 80 V operation.

Q: Are there differences in forward voltage characteristics between these parts?

A: The BAW56,215 forward voltage is specified at 1.25 V @ 150 mA, compared to 1.2 V @ 100 mA for the 1PS181,135. These measurements are taken at different current levels. Both components exhibit fast recovery characteristics with identical 4 ns reverse recovery time and are compatible for general-purpose rectification applications.

Q: What does the AEC-Q101 qualification on the BAW56,215 indicate?

A: AEC-Q101 is an automotive electronics qualification standard. This certification indicates the BAW56,215 has undergone rigorous reliability testing and traceability documentation suitable for automotive applications. This qualification is not present on the obsolete 1PS181,135 but does not restrict use in non-automotive applications.

Q: Are packaging format options different between these components?

A: The 1PS181,135 is listed with standard SMT3 packaging. The BAW56,215 is available in Cut Tape (CT) and Digi-Reel® formats, providing flexibility for both prototype and high-volume production environments. The underlying component package remains identical.

Q: Is the BAW56,215 suitable for high-temperature applications?

A: Both components share identical maximum junction temperature ratings of 150°C. The BAW56,215 is suitable for applications within this thermal specification. Thermal management design should remain unchanged from the original 1PS181,135 implementation.

Q: What is the current availability status of the BAW56,215?

A: The BAW56,215 is an active product with 5800 Pcs New Original In Stock, ensuring reliable supply chain availability for both immediate and ongoing production requirements.