EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
MRF581G Real Image
Same model may have multiple batches, images only for reference.

MRF581G

Part No MRF581G
Manufacturer Microsemi Corporation
Catalog Transistors - FETs, MOSFETs - RF
Description RF & MICROWAVE DISCRETE LOW POWER TRANSISTORS | RF TRANS NPN 18V 5GHZ MICRO X
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Discrete Semiconductor Products
Manufacturer Microsemi Corporation
Packaging Bulk
Status Obsolete
Transistor Type NPN
Voltage - Collector Emitter Breakdown (Maximum) 18V
Frequency - Transition 5GHz
Noise Figure (dB Typ at f) 3dB ~ 3.5dB at 500MHz
Gain 13dB ~ 15.5dB
Maximum Power 1.25W
DC Current Gain (hFE) (Minimum) at Ic, Vce 50 at 50mA, 5V
Current - Collector (Ic) (Maximum) 200mA
Temperature Range - Operating 150°C
Mounting Style SMD
Manufacturer Package Micro-X ceramic (84C)
Supplier Device Package Micro-X ceramic (84C)
Family Part Number MRF581
Manufacturer Pack Quantity 500
MSL Level 1 (Unlimited)
Win Source Part Number 711364-MRF581G
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian MRF581G CAD Model

Description

The MRF581G is a discrete semiconductor product manufactured by Microsemi Corporation.

  • Popularity: Medium
  • Supply and Demand Status: balance
  • Application: high gain and frequency transition of 5GHz
  • Transistor Type: NPN
  • Mount: Surface Mount
  • Supplier Device Package: Micro-X ceramic (84C)
  • Maximum Power: 1.25W
  • Noise Figure: 3dB ~ 3.5dB @ 500MHz

You May Also Be Interested in

2SJ648 NEC
2SJ648
NEC
MOS FIELD EFFECT TRANSISTOR
Need more? Email Us
RSR020P05FRA Real Image
RSR020P05FRA
Rohm Semiconductor
Pch -45V -2.0A Power MOSFET
Lowest to $0.2691
2SK2595 Hitachi, Ltd
2SK2595
Hitachi, Ltd
Silicon N-Channel MOS FET UHF Power Amplifier
Need more? Email Us
BF1109R Real Image
BF1109R
NXP / Nexperia
N-channel dual-gate MOS-FETs
Lowest to $1.1642
SUM65N20-30 Real Image
SUM65N20-30
Vishay
N-Channel 200-V (D-S) 175C MOSFET
Lowest to $2.7120
RHK005N03FRA Real Image
RHK005N03FRA
Rohm Semiconductor
4V Drive Nch MOS FET
Lowest to $0.0439
CPH3303 Real Image
CPH3303
SANYO Semiconductor (U.S.A) Corporation
Ultrahigh-Speed Switching Applications
Lowest to $27.0651
PJT7600 Real Image
PJT7600
Panjit
Advanced Trench Process Technology
Lowest to $0.2356
TP2540N8 Real Image
TP2540N8
Supertex, Inc
P-Channel Enhancement-Mode Vertical DMOS FETs
Lowest to $0.5971

Top Sellers

BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.0391
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.7023
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.0181
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1046
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $17.6608
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess