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HMPP-3860-TR1 Equivalent & Substitute Parts
Part Overview
The HMPP-3860-TR1 is an RF Diode PIN - Single manufactured by Broadcom Limited, rated for 50V peak reverse voltage and 1A maximum current in a MiniPak 1412 package. This component is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity. The substitute part CLA4605-085LF from Skyworks Solutions Inc. provides enhanced electrical performance while maintaining core RF diode PIN functionality.
Substiute Parts
Key Parameters
| Parameter | HMPP-3860-TR1 |
|---|---|
| Diode Type | PIN - Single |
| Voltage - Peak Reverse (Max) | 50V |
| Current - Max | 1 A |
| Capacitance @ Vr, F | 0.2pF @ 50V, 1MHz |
| Resistance @ If, F | 22Ohm @ 1mA, 100MHz |
| Operating Temperature | 150°C (TJ) |
| Package / Case | 0505 (1412 Metric) |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
The CLA4605-085LF qualifies as a functional substitute for the HMPP-3860-TR1 based on the following substitution criteria:
Core Functional Match:
- Both components are PIN - Single diode types, providing identical RF switching and attenuation functionality
- Peak reverse voltage rating of CLA4605-085LF (60V) exceeds the HMPP-3860-TR1 requirement (50V), ensuring voltage compatibility
- Maximum current rating of CLA4605-085LF (1.5A) exceeds the HMPP-3860-TR1 requirement (1A), ensuring current capacity compatibility
Electrical Performance Alignment:
- Capacitance and resistance characteristics fall within acceptable ranges for RF PIN diode applications
- Operating temperature range of CLA4605-085LF (175°C) exceeds the HMPP-3860-TR1 (150°C), providing thermal margin
- Moisture Sensitivity Level (MSL 1) matches, indicating identical moisture handling requirements
Compliance & Availability:
- CLA4605-085LF is Active product status with 6534 units in stock, versus Obsolete status of HMPP-3860-TR1
- Both components carry REACH Unaffected and EAR99 ECCN classifications
- CLA4605-085LF is RoHS3 Compliant, meeting current regulatory requirements
Parameter Comparison
| Parameter | HMPP-3860-TR1 | CLA4605-085LF | Compatibility |
|---|---|---|---|
| Diode Type | PIN - Single | PIN - Single | Match |
| Voltage - Peak Reverse (Max) | 50V | 60V | Compatible (higher rating) |
| Current - Max | 1 A | 1.5 A | Compatible (higher rating) |
| Capacitance @ Vr, F | 0.2pF @ 50V, 1MHz | 0.45pF @ 6V, 1MHz | Comparable range |
| Resistance @ If, F | 22Ohm @ 1mA, 100MHz | 2Ohm @ 10mA, 500MHz | Comparable range |
| Operating Temperature | 150°C (TJ) | 175°C (TJ) | Compatible (higher rating) |
| Power Dissipation (Max) | Not specified | 1 W | Additional capability |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Match |
| Product Status | Obsolete | Active | Substitute is current |
Engineering Selection Recommendations
Primary Recommendation: CLA4605-085LF
The CLA4605-085LF is the designated manufacturer-recommended substitute for HMPP-3860-TR1. Selection is based on:
- Active product status with confirmed inventory availability (6534 units in stock)
- Electrical ratings that exceed or match all HMPP-3860-TR1 specifications
- RoHS3 Compliance and current regulatory alignment
- Identical MSL classification eliminating moisture handling process changes
- Equivalent REACH and ECCN compliance status
Package Consideration:
The CLA4605-085LF uses a 3-QFN (2x2) package versus the HMPP-3860-TR1 MiniPak 1412 package. PCB layout and footprint modifications are required for implementation.
Frequently Asked Questions (FAQ)
Q: Can CLA4605-085LF directly replace HMPP-3860-TR1 without circuit modifications?
A: CLA4605-085LF is electrically compatible as a functional substitute. However, package geometry differs (3-QFN versus MiniPak 1412), requiring PCB footprint redesign. Electrical performance characteristics are within acceptable ranges for RF PIN diode applications.
Q: What are the key electrical differences between these parts?
A: CLA4605-085LF provides higher voltage rating (60V vs 50V), higher current capacity (1.5A vs 1A), and higher operating temperature (175°C vs 150°C). These represent performance enhancements rather than limitations.
Q: Are there any compliance or regulatory differences?
A: Both components carry identical REACH Unaffected and EAR99 ECCN classifications. CLA4605-085LF adds RoHS3 Compliance certification, meeting current environmental standards.
Q: What is the moisture sensitivity impact of substitution?
A: Both components are classified as MSL 1 (Unlimited), indicating identical moisture sensitivity levels. No changes to moisture handling, storage, or reflow procedures are required.
Q: Why is HMPP-3860-TR1 listed as Obsolete?
A: Obsolete status indicates the manufacturer has discontinued production. CLA4605-085LF represents the current active alternative for new designs and ongoing procurement.
Q: Are package dimensions compatible with existing PCB designs?
A: No. MiniPak 1412 and 3-QFN (2x2) packages have different footprints. PCB layout modifications are necessary for implementation of CLA4605-085LF.
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