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JANS2N2857UB-LC
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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.

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Reference price and stock shown as of 2026-09-22. Confirm live availability and unit price via RFQ before placing a PO.

JANS2N2857UB-LC

RF TRANS NPN 15V UB
Microsemi · Transistors - Bipolar (BJT) - RF · BOM Matching
Mfr. Part Number
JANS2N2857UB-LC
Manufacturer
Microsemi
Package / Case
3-SMD, No Lead
Datasheet
Datasheet
Description
RF TRANS NPN 15V UB
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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JANS2N2857UB-LC
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In Stock5,726
Unit
Price
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Reference Price
QuantityPrice
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-22 · Valid as reference until 2026-09-29 · Request RFQ for live stock.
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Specification Summary

Package / Case
3-SMD, No Lead
Supplier Device Package
UB
Voltage - Collector Emitter Breakdown (Max)
15V
Current - Collector (Ic) (Max)
40mA
DC Current Gain (hFE) (Min) @ Ic, Vce
30 @ 3mA, 1V
Operating Temperature
-65°C ~ 200°C (TJ)
Mounting Type
Surface Mount
Gain
21dB
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 2026-09-22. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Noise Figure (dB Typ @ f)
4.5dB @ 450MHz
Mounting Type
Surface Mount
Operating Temperature
-65°C ~ 200°C (TJ)
DC Current Gain (hFE) (Min) @ Ic, Vce
30 @ 3mA, 1V
Frequency - Transition
-
Transistor Type
NPN
Current - Collector (Ic) (Max)
40mA
Gain
21dB
Power - Max
200mW
Supplier Device Package
UB
Voltage - Collector Emitter Breakdown (Max)
15V
Package / Case
3-SMD, No Lead
RF TRANS NPN 15V UB
Brand Introduction

Microsemi (Microchip Technology) - Microsemi Corporation was acquired by Microchip in May 2018. Microsemi offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal IC’s, FPGAs, SoCs, ASICs, power management products, timing, voice processing devices, discrete components, enterprise storage, and Power-over-Ethernet solutions.

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Buying FAQ — JANS2N2857UB-LC

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

How do I buy JANS2N2857UB-LC from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes JANS2N2857UB-LC. 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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