2SC3585-A Equivalent & Substitute Parts Reference

Part Overview

The 2SC3585-A is an NPN RF Bipolar Junction Transistor (BJT) designed for surface-mount applications, featuring a maximum collector-emitter voltage of 10V, transition frequency of 10GHz, noise figure of 1.8dB at 2GHz, and a maximum power dissipation of 200mW. The part is marked as obsolete, making it necessary to identify suitable alternative models with matching electrical and mechanical parameters for continued design support or replacement in existing equipment.

Substiute Parts

2SC3585-A

CELIn Stock: 11902SC3585-A Datasheet

Current PartRFQ

BFU550AVL

NXP USA Inc.In Stock: 1001BFU550AVL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is based strictly on the following parameters:

• Transistor Type: Matches NPN configuration
• Maximum Collector-Emitter Voltage: Is not lower than 10V
• Transition Frequency: Is not lower than 10GHz
• Maximum Collector Current: Is not lower than 35mA
• Maximum Power Dissipation: Is not lower than 200mW
• Noise Figure: Is not higher than 1.8dB at similar frequency
• DC Current Gain (hFE): Is not lower than 50 at comparable test conditions
• Mounting Type and Package: Matches TO-236-3, SC-59, or SOT-23-3
• Moisture Sensitivity Level and Compliance: Meets or exceeds original part

Only parts meeting all of these criteria are listed as substitutes.

Parameter Comparison

Engineering Selection Recommendations

The 2SC3585-A is classified as obsolete, whereas the BFU550AVL is active with similar or superior electrical parameters and matching mechanical properties. Both parts share the same regulatory compliance certifications, including REACH status and ECCN. The Moisture Sensitivity Level for both is 1 (Unlimited). No additional compliance or certification discrepancies are indicated in the provided data.

Frequently Asked Questions (FAQ)

Q: Which substitute transistor matches the electrical and mechanical parameters of 2SC3585-A?
A: Based on the provided parameters, BFU550AVL matches all key electrical and mechanical requirements for direct substitution.

Q: Are the packages compatible between 2SC3585-A and BFU550AVL?
A: Yes, both transistors are available in TO-236-3, SC-59, or SOT-23-3 packages, supporting direct mechanical replacement in existing designs.

Q: What are the compliance and moisture sensitivity levels of these substitute transistors?
A: Both 2SC3585-A and BFU550AVL have a Moisture Sensitivity Level of 1 (Unlimited) and are indicated as REACH Unaffected; ECCN is EAR99 for both.

Q: Is the operating temperature range equivalent?
A: Both parts support operation up to 150°C, with the BFU550AVL additionally supporting operation down to -40°C.

Q: Are there any differences in main performance parameters that impact substitution?
A: All critical parameters required for substitution—collector-emitter voltage, transition frequency, noise figure, gain, power rating, DC current gain, collector current, and mounting—are met or exceeded by BFU550AVL.