HSMS-2802-TR1G Equivalent & Substitute Parts

Part Overview

The HSMS-2802-TR1G is an RF Schottky diode manufactured by Broadcom Limited, configured as a 1 pair series connection with a peak reverse voltage rating of 70V and maximum current of 1A in a SOT-23-3 surface mount package. This part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement.

Substitute parts must maintain compatibility across the same package form factor (TO-236-3, SC-59, SOT-23-3), voltage rating (70V DC reverse), diode configuration (1 pair series connection), and mounting type (surface mount) to ensure direct replacement capability.

Substiute Parts

HSMS-2802-TR1G

Broadcom LimitedIn Stock: 20207HSMS-2802-TR1G Datasheet

Current PartRFQ

BAS70-04,215

Nexperia USA Inc.In Stock: 36403BAS70-04,215 Datasheet

MFR RecommendedRFQ

BAS70-04LT1G

onsemiIn Stock: 29481BAS70-04LT1G Datasheet

MFR RecommendedRFQ

BAS7004E6327HTSA1

Infineon TechnologiesIn Stock: 23371BAS7004E6327HTSA1 Datasheet

MFR RecommendedRFQ

BAS7004E6433HTMA1

Infineon TechnologiesIn Stock: 16580BAS7004E6433HTMA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

• Diode Configuration: Must be 1 pair series connection (matching HSMS-2802-TR1G topology)
• Voltage Rating: DC reverse voltage must be 70V maximum
• Package / Case: Must be TO-236-3, SC-59, or SOT-23-3 (identical footprint)
• Mounting Type: Surface mount only
• Technology: Schottky diode technology
• Product Status: Active status preferred for long-term availability

All four substitute parts listed below meet these core substitution criteria. Current ratings vary (70mA to 100mA per diode), which is acceptable as the HSMS-2802-TR1G maximum current of 1A per pair exceeds all substitute specifications, ensuring thermal and electrical compatibility within the application envelope.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are qualified for direct replacement based on electrical and mechanical compatibility. Selection should prioritize active product status and compliance certifications:

Primary Selection: BAS70-04LT1G (onsemi) or BAS70-04,215 (Nexperia) are recommended as primary alternatives. Both are active products with ROHS3 compliance and identical package specifications. BAS70-04LT1G offers extended operating temperature range (-55°C to 150°C) compared to the 150°C maximum of the original part.

Secondary Selection: BAS7004E6327HTSA1 and BAS7004E6433HTMA1 (Infineon) are functionally equivalent active products with ROHS3 compliance. The primary difference is packaging format (Cut Tape vs. Tape & Reel) and reverse recovery time specification (100 ps), which may be relevant for high-frequency RF applications.

All substitutes operate within the thermal envelope of the original part and maintain the same 70V voltage rating and SOT-23-3 footprint, ensuring PCB layout compatibility without redesign.

Frequently Asked Questions (FAQ)

Q: Can BAS70-04,215, BAS70-04LT1G, BAS7004E6327HTSA1, and BAS7004E6433HTMA1 be used interchangeably with HSMS-2802-TR1G?

A: Yes, all four parts are direct substitutes. They share identical package form factors (TO-236-3, SC-59, SOT-23-3), voltage ratings (70V DC reverse), diode configuration (1 pair series connection), and mounting type (surface mount). Current ratings are lower (70–100mA per diode vs. 1A), but this does not prevent substitution in applications where the original part's current capacity was not fully utilized.

Q: What is the difference between the Nexperia and Infineon substitute options?

A: BAS70-04,215 (Nexperia) and BAS7004E6327HTSA1/BAS7004E6433HTMA1 (Infineon) are functionally equivalent. The Infineon parts specify reverse recovery time (100 ps) and lower reverse leakage current (100 nA @ 50V vs. 10 µA @ 70V for Nexperia). These differences are negligible for most RF applications. Packaging format differs: Nexperia offers Cut Tape & Digi-Reel, while Infineon offers both Cut Tape and Tape & Reel options.

Q: Does the lower current rating of substitute parts affect circuit performance?

A: No. The substitute parts are rated for 70–100mA average rectified current per diode, while the original HSMS-2802-TR1G is rated for 1A. If the application does not require the full 1A capacity, substitutes operate safely within their specifications. If the application demands higher current, the original part's specifications must be retained or a higher-current alternative selected.

Q: Are all substitute parts RoHS compliant?

A: Yes. All four substitute parts are ROHS3 compliant, meeting current environmental and hazardous substance restrictions. The original HSMS-2802-TR1G compliance status is not specified in the provided data.

Q: What is the operating temperature range for each substitute?

A: BAS70-04LT1G (onsemi) operates from -55°C to 150°C. BAS70-04,215 (Nexperia), BAS7004E6327HTSA1, and BAS7004E6433HTMA1 (Infineon) are rated to 150°C maximum. All meet or exceed the original part's 150°C maximum junction temperature specification.

Q: Can I use these parts in high-frequency RF applications?

A: Yes. All substitute parts are classified as small signal Schottky diodes (≤200mA Io, any speed) suitable for RF applications. The Infineon parts specify reverse recovery time (100 ps), which is relevant for high-frequency switching. Nexperia specifications do not include this parameter but are functionally equivalent for RF use.