Equivalent & Substitute Parts Reference for BLF2425M8LS140U

Part Overview

The BLF2425M8LS140U by Ampleon USA Inc. is an RF MOSFET LDMOS transistor designed for 2.45GHz applications, featuring 28 V operation, 19dB gain, and 140W output power in a SOT502B chassis mount package. It is classified as obsolete, necessitating the identification of alternative part numbers that maintain compatible electrical, mechanical, and compliance parameters for uninterrupted system performance.

Substiute Parts

BLF2425M8LS140U

Ampleon USA Inc.In Stock: 893BLF2425M8LS140U Datasheet

Current PartRFQ

BLF2425M9LS140U

Ampleon USA Inc.In Stock: 1305BLF2425M9LS140U Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the BLF2425M8LS140U is based strictly on the following key parameters: manufacturer, technology (LDMOS), operating frequency, gain, test voltage, output power, voltage rating, mounting type, package/case compliance, RoHS and REACH status, and moisture sensitivity level. The substitute part, BLF2425M9LS140U, meets all the provided electrical, mechanical, and compliance criteria necessary for direct replacement within this product category.

Parameter Comparison

Engineering Selection Recommendations

Selection of BLF2425M9LS140U as a substitute for BLF2425M8LS140U is based on matched compliance parameters: both parts are ROHS3 Compliant, REACH Unaffected, and have a Moisture Sensitivity Level of 1 (Unlimited). BLF2425M9LS140U is currently active, making it suitable for ongoing applications where the obsolete status of BLF2425M8LS140U prohibits further procurement.

Frequently Asked Questions (FAQ)

Q1: What electrical parameters are critical when substituting BLF2425M8LS140U?
The substitute must match LDMOS technology, operating frequency (2.45GHz or the stated range), gain (19dB), test voltage (28 V), voltage rating (65 V), and output power (140W).

Q2: Is package compatibility ensured between BLF2425M8LS140U and BLF2425M9LS140U?
Both use the SOT-502B package and support chassis mounting, ensuring mechanical compatibility.

Q3: How does compliance affect substitute selection?
Both main and substitute parts are ROHS3 Compliant, REACH Unaffected, and rated MSL 1 (Unlimited), fulfilling global environmental and manufacturing requirements.

Q4: Does the substitute cover the full frequency specification of the main device?
BLF2425M9LS140U specifies an operating frequency range of 2.4GHz ~ 2.5GHz, covering the 2.45GHz specification of BLF2425M8LS140U.

Q5: What supplier device package validation is necessary?
BLF2425M8LS140U and BLF2425M9LS140U both utilize the SOT502B supplier device package. This provides direct drop-in compatibility for applications using this footprint.