MRF581

MRF581
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Part Number MRF581
LIXINC Part # MRF581
Manufacturer Microsemi
Category Discrete SemiconductorTransistors - Bipolar (BJT) - RF
Description RF TRANS NPN 18V 5GHZ MICRO X
Lifecycle Active
RoHS No RoHS Information
EDA/CAD Models MRF581 PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Jan 24 - Jan 28 2026(Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*
Payment Wire Transfer, UnionPay, PayPal, Credit Card, Visa, MasterCard, AmericanExpress, Discover, WesternUnion, MoneyGram
Shipping DHL, UPS, FedEx, TNT, EMS, & More Express Delivery

MRF581 Specifications

Part Number:MRF581
Brand:Microsemi
Lifecycle:Active
RoHS:Lead free / RoHS Compliant
Category:Discrete Semiconductor
Subcategory:Transistors - Bipolar (BJT) - RF
Manufacturer:Microsemi
Series:-
Package:Bulk
Part Status:Obsolete
Transistor Type:NPN
Voltage - Collector Emitter Breakdown (Max):18V
Frequency - Transition:5GHz
Noise Figure (dB Typ @ f):3dB ~ 3.5dB @ 500MHz
Gain:13dB ~ 15.5dB
Power - Max:1.25W
DC Current Gain (hFE) (Min) @ Ic, Vce:50 @ 50mA, 5V
Current - Collector (Ic) (Max):200mA
Operating Temperature:150°C (TJ)
Mounting Type:Surface Mount
Package / Case:Micro-X ceramic (84C)
Supplier Device Package:Micro-X ceramic (84C)

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