Home • Products • Discrete Semiconductor Products • Transistors - Bipolar (BJT) - RF • UMIL3B
UMIL3B
Purchase Protection

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 2026-09-22. Confirm live availability and unit price via RFQ before placing a PO.

UMIL3B

RF TRANS 30V 400MHZ 55FT
Microsemi · Transistors - Bipolar (BJT) - RF · BOM Matching
Mfr. Part Number
UMIL3B
Manufacturer
Microsemi
Package / Case
55FT
Datasheet
Datasheet
Description
RF TRANS 30V 400MHZ 55FT
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
sample
Free Sample
UMIL3B
Microsemi
Request a free sample for evaluation. We will contact you shortly.
* Mandatory Fields
*Quantity:
*Contact Name
Contact Name is required
Company Name
*Email
Email is required
Phone
*Country
Country is required
Your Question
Cancel
SUBMIT
In Stock4,560
Unit
Price
$-
Buy Now
Buy at reference price · Secure checkout
Get Quote
No payment required · Reply within 24h
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.
Need a better price?
Open Quick RFQ for this part

Specification Summary

Package / Case
55FT
Supplier Device Package
55FT
Voltage - Collector Emitter Breakdown (Max)
30V
Current - Collector (Ic) (Max)
700mA
DC Current Gain (hFE) (Min) @ Ic, Vce
10 @ 100A, 5V
Frequency - Transition
225MHz ~ 400MHz
Operating Temperature
150°C
Mounting Type
Stud Mount
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)
-
Mounting Type
Stud Mount
Operating Temperature
150°C
DC Current Gain (hFE) (Min) @ Ic, Vce
10 @ 100A, 5V
Frequency - Transition
225MHz ~ 400MHz
Transistor Type
-
Current - Collector (Ic) (Max)
700mA
Gain
13dB
Power - Max
11W
Supplier Device Package
55FT
Voltage - Collector Emitter Breakdown (Max)
30V
Package / Case
55FT
RF TRANS 30V 400MHZ 55FT
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.

Evaluation ( 0 )
Write Your Review
Email is required
SUBMIT
Content is required

Related Parts

Same category / brand alternatives buyers often compare.
JANS2N2857UB-LC
JANS2N2857UB-LC
Microsemi
RF TRANS NPN 15V UB
 TPR1000A
TPR1000A
Microsemi
RF TRANS 65V 1.09GHZ 55KV
 SD8268-21H
SD8268-21H
Microsemi
RF POWER TRANSISTOR
 SD8253-02H
SD8253-02H
Microsemi
RF POWER TRANSISTOR
 SD8002-01H
SD8002-01H
Microsemi
RF POWER TRANSISTOR
 SD1853-02H
SD1853-02H
Microsemi
RF POWER TRANSISTOR
 SD1536-01
SD1536-01
Microsemi
RF POWER TRANSISTOR
 SD1419-06H
SD1419-06H
Microsemi
RF POWER TRANSISTOR

Buying FAQ — UMIL3B

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

How do I buy UMIL3B from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes UMIL3B. 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

Explore by Brand, Category & Application

Microsemi catalog Transistors - Bipolar (BJT) - RF Industrial Control Automotive Electronics Communications BOM Matching Authenticity Check Lead Time & Shipping Procurement FAQ