HSMP-3863-TR2G Equivalent & Substitute Parts

Part Overview

The HSMP-3863-TR2G is an RF Diode PIN manufactured by Broadcom Limited, configured as a 1 Pair Common Anode device rated for 50V peak reverse voltage and 1A maximum current in a 6-TSSOP (SOT-363) package. This component is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity.

Substiute Parts

HSMP-3863-TR2G

Broadcom LimitedIn Stock: 768HSMP-3863-TR2G Datasheet

Current PartRFQ

SMP1302-003LF

Skyworks Solutions Inc.In Stock: 2280SMP1302-003LF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HSMP-3863-TR2G is determined by the following critical parameters:

• Diode Configuration: PIN - 1 Pair Common Anode topology must be maintained
• Voltage Rating: Peak reverse voltage must meet or exceed 50V minimum requirement
• Current Handling: Maximum current capability must support 1A operation
• Resistance Characteristics: Forward resistance at specified bias conditions (1.5Ohm @ 100mA, 100MHz) establishes RF performance baseline
• Capacitance Profile: Diode capacitance behavior across frequency range determines RF switching and tuning applications
• Package Compatibility: Physical form factor and pin configuration must align with PCB layout constraints
• Thermal Performance: Operating temperature range must accommodate system thermal environment

The SMP1302-003LF meets these substitution criteria through equivalent diode topology, enhanced voltage rating (200V), matching forward resistance characteristics, and compatible package footprint in SOT-23-3 form factor.

Parameter Comparison

Engineering Selection Recommendations

The SMP1302-003LF serves as the manufacturer-recommended substitute for the obsolete HSMP-3863-TR2G. Selection of this alternative is supported by:

• Active Product Status: SMP1302-003LF maintains active manufacturing status, ensuring long-term availability and supply chain continuity
• Regulatory Compliance: RoHS3 compliance and REACH unaffected status align with current environmental and safety standards
• Functional Equivalence: Identical diode topology (PIN - 1 Pair Common Anode) and matching forward resistance characteristics (1.5Ohm @ 100mA, 100MHz) preserve RF performance in switching and attenuation applications
• Enhanced Voltage Rating: 200V peak reverse voltage exceeds the original 50V specification, providing design margin for transient protection
• Package Transition: Migration from SOT-363 to SOT-23-3 requires PCB layout modification but maintains electrical compatibility through equivalent pin configuration

Frequently Asked Questions (FAQ)

Q: Can SMP1302-003LF directly replace HSMP-3863-TR2G without PCB modification?

A: No. The substitute uses SOT-23-3 package versus the original SOT-363 package. PCB layout changes are required for footprint accommodation. Pin configuration remains functionally equivalent for the 1 Pair Common Anode topology.

Q: Does the higher voltage rating (200V vs 50V) affect circuit performance?

A: The enhanced voltage rating does not degrade performance in applications designed for 50V operation. The substitute maintains identical forward resistance characteristics and similar capacitance profile, preserving RF switching behavior.

Q: Are there thermal considerations when substituting?

A: The SMP1302-003LF specifies ambient temperature range (-65°C ~ 150°C TA) versus junction temperature (150°C TJ) for the original part. Verify that system thermal environment remains within the substitute's ambient temperature limits.

Q: What is the impact of different manufacturers?

A: Both Broadcom Limited and Skyworks Solutions Inc. manufacture RF diodes to industry standards. The SMP1302-003LF is the manufacturer-recommended substitute, indicating qualified equivalence for the intended application.

Q: Is moisture sensitivity a concern during substitution?

A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Standard handling procedures apply to both components.

Q: How does capacitance difference (0.2pF vs 0.3pF) impact RF applications?

A: The capacitance values are measured at different reverse voltages (50V vs 30V). Both measurements indicate similar capacitance profiles suitable for RF switching and tuning applications. Application-specific testing may be warranted for precision frequency-dependent circuits.