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BLF404
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-11-05. Confirm live availability and unit price via RFQ before placing a PO.

BLF404

BLF404 - UHF POWER VDMOS TRANSIS
Rochester Electronics · Transistors - FETs, MOSFETs - RF · BOM Matching
Mfr. Part Number
BLF404
Manufacturer
Rochester Electronics
Package / Case
SOT-409A
Datasheet
Datasheet
Description
BLF404 - UHF POWER VDMOS TRANSIS
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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BLF404
Rochester Electronics
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In Stock8,916
Unit
Price
$1.0
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Reference Price
QuantityPrice
1$ 1.0000
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-11-05 · Valid as reference until 2026-11-12 · Request RFQ for live stock.
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Specification Summary

Package / Case
SOT-409A
Supplier Device Package
8-CDIP
Voltage - Rated
40 V
Voltage - Test
12.5 V
Current - Test
50 mA
Current Rating (Amps)
500µA
Frequency
500MHz
Gain
11.5dB
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-11-05. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Frequency
500MHz
Voltage - Test
12.5 V
Noise Figure
-
Current - Test
50 mA
Power - Output
4W
Voltage - Rated
40 V
Transistor Type
N-Channel
Current Rating (Amps)
500µA
Gain
11.5dB
Supplier Device Package
8-CDIP
Package / Case
SOT-409A
BLF404 - UHF POWER VDMOS TRANSIS
Brand Introduction

Rochester Electronics is the world’s largest continuous source of semiconductors–100% Authorized by over 70 leading semiconductor manufacturers. Rochester's comprehensive semiconductor lifecycle solutions include authorized distribution, licensed manufacturing, and manufacturing services.

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Buying FAQ — BLF404

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy BLF404 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes BLF404. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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