BA277,135 Equivalent & Substitute Parts Reference

Part Overview

The BA277,135 is a standard RF diode manufactured by NXP USA Inc., rated for 35V peak reverse voltage with 100 mA maximum current and 715 mW power dissipation in SOD-523 packaging. This part is classified as obsolete, making identification of active equivalent components essential for ongoing design support and procurement continuity. The BA891,115 serves as a parametric equivalent with identical electrical ratings and packaging specifications, currently available in active product status.

Substiute Parts

BA277,135

NXP USA Inc.In Stock: 4017BA277,135 Datasheet

Current PartRFQ

BA891,115

NXP USA Inc.In Stock: 6537BA891,115 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the BA277,135 is determined by strict equivalence across the following critical parameters:

• Diode Type: Standard - Single configuration
• Voltage - Peak Reverse (Max): 35V minimum rating
• Current - Max: 100 mA minimum rating
• Power Dissipation (Max): 715 mW minimum rating
• Package / Case: SOD-523 form factor
• Operating Temperature Range: -65°C to 150°C (TJ)
• Compliance: ROHS3 Compliant, REACH Unaffected

The BA891,115 meets all substitution criteria with identical electrical specifications and packaging. The transition from obsolete to active product status provides improved supply chain availability without performance compromise.

Parameter Comparison

Engineering Selection Recommendations

The BA891,115 is the direct substitute for BA277,135 applications. Both components maintain identical electrical performance specifications and environmental ratings. The primary distinction is product lifecycle status: BA277,135 is obsolete while BA891,115 is active, ensuring long-term availability and supply chain stability. Both parts satisfy ROHS3 compliance and REACH regulatory requirements. Selection of BA891,115 is appropriate for new designs and replacement applications requiring the specified 35V/100mA/715mW performance envelope in SOD-523 packaging.

Frequently Asked Questions (FAQ)

Q: Can BA891,115 directly replace BA277,135 in existing designs? A: Yes. Both components share identical electrical ratings (35V, 100 mA, 715 mW), operating temperature range (-65°C to 150°C), and SOD-523 packaging. No circuit modifications are required.

Q: What is the primary reason for substitution? A: BA277,135 is classified as obsolete. BA891,115 provides equivalent functionality with active product status, ensuring procurement availability and supply chain continuity.

Q: Are there packaging differences between these parts? A: Both parts use SC-79, SOD-523 packaging. BA277,135 is supplied as loose components, while BA891,115 is available in Tape & Reel (TR) format. Physical dimensions and pin configurations are identical.

Q: Do both parts meet current regulatory requirements? A: Yes. Both BA277,135 and BA891,115 are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards.

Q: Are there differences in capacitance or resistance characteristics? A: Capacitance and resistance measurements differ slightly between parts (BA277,135: 1.2pF @ 6V; BA891,115: 0.9pF @ 3V; BA891,115: 500mOhm @ 10mA, 100MHz). These variations remain within acceptable tolerances for standard diode applications and do not affect substitution eligibility for the specified electrical performance envelope.