☰
Home  /  Discrete Semiconductors  /  Transistors - Bipolar (BJT) - RF  /  Microsemi Corporation 2N4957UB
2N4957UB
2N4957UB
Active
Transistors - Bipolar (BJT) - RF
Description:  RF TRANS PNP 30V 30MA UB
Manufacturer:  Microsemi Corporation
Datasheet:   2N4957UB Datasheet
History Price: Active
In Stock: 5000
Distributors
Specification
PDF Datasheet
Equivalent
2N4957UB Distributors
Contact us and register as a distributor: support@icdirectory.com
Distributors
Mfr Part
Stock
 
 
Slogan
Updated
TRICO INDUSTRIAL
2N4957UB
36000
Visit
$
Rooted in Semiconductors, One-stop Chip Solutions
Apr 22, 2026
Redstar Electronic
2N4957UB
44000
Visit
$
First Choice, Good Service
Apr 22, 2026
PARKIN
2N4957UB
16500
Visit
$
A Great Reputation EMS Partner specializes on E-Components Procurement
Apr 22, 2026
QTreeic Electronics
2N4957UB
23000
Visit
$
Your Integrated Circuit Electronic Components Supplier
Apr 21, 2026
DigiKey
2N4957UB
6500
Visit
$
Click and see latest prices from Digikey Electronics
Apr 21, 2026
Anterwell
2N4957UB
45500
Visit
$
The 21 years electronic components professional supplier
Apr 21, 2026
Feilifei
2N4957UB
15000
Visit
$
New and original
Apr 21, 2026
One River Electronics Ltd
2N4957UB
37500
Visit
$
One River: Quality components, competitive prices, fast shipping, 1-year warranty
Apr 21, 2026
HAODE TECHNOLOGY
2N4957UB
47000
Visit
$
Click and send your RFQ
Apr 21, 2026
Hard Find Electronics Ltd.
2N4957UB
39000
Visit
$
Sourcing hard-to-find electronic components
Apr 20, 2026
2N4957UB Specification
Specification
Mfr Part
2N4957UB
Category
Transistors - Bipolar (BJT) - RF
Manufacturer
Microsemi Corporation
Series
-
Packaging
Bulk
Status
Active
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Transistor Type
PNP
Voltage - Collector Emitter Breakdown (Max)
30V
Frequency - Transition
-
Noise Figure (dB Typ @ f)
3.5dB @ 450MHz
Gain
25dB
Power - Max
200mW
DC Current Gain (hFE) (Min) @ Ic, Vce
30 @ 5mA, 10V
Current - Collector (Ic) (Max)
30mA
Operating Temperature
-65 ℃ ~ 200 ℃ (TJ)
Mounting Type
Surface Mount
Package / Case
3-SMD, No Lead
Supplier Device Package
UB
Customer Reviews
4.95 out of 5.00 stars from 106 customer reviews from all over the world
Hans-Jürgen Hoffmann
Germany
5 stars
2026-04-05 04:47
All the best, like again, thank you!
Johanna Meier
Germany
5 stars
2026-04-04 12:56
Fast shipping all super.
Eliane
Brazil
5 stars
2026-04-04 09:47
Still not used, hope it is good.
Gonzalo Ramírez
Spain
5 stars
2026-04-04 08:57
Articles are what they say they are. They're unproven since I 've ordered them to have in stock.
The preparation and shipping was within a correct time frame.
Transport in Spain by company CTT, NEFASTO. I had to leave because of an urgency w
Daniel Costa Santos
Brazil
5 stars
2026-04-04 02:50
Accurate information, CI purchased and replaced with success.
Alice
Brazil
5 stars
2026-04-03 15:54
Like the product
Copyright © 2021-2026 icDirectory.com
About Us | Email: support@icdirectory.com
icDirectory.com is a specialized electronic components platform based in the United Kingdom, dedicated to serving manufacturers and EMS providers from Europe, America, Asia and around the world. The platform is designed to meet the unique needs of professionals in the electronics industry, providing high-quality, real-time inquiry services that connect users with manufacturers and suppliers.