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Part No 4257-52
Manufacturer Peregrine Semiconductor
Catalog RF Switches
Description IC RF SWITCH SPDT 50 OHM 20-QFN

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Pricing & Ordering $0.8853 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
Unit Price
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Availability: 7,600 pieces
MOQ: 25 pcs
Order Increment : 1 pcs
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Products specifications

Categories RF/IF and RFID
Manufacturer Peregrine Semiconductor
Series UltraCMOS
Packaging Reel package
Frequency - Lower DC
Frequency - Upper 3GHz
Isolation @ Frequency 44dB @ 3GHz
Insertion Loss @ Frequency 1.2dB @ 3GHz
IIP3 55dBm (typ)
Topology Absorptive
Circuit SPDT
P1dB 31dBm (typ) IP1dB
Impedance 50 Ohm
Operating Temperature Range -40°C ~ 85°C
Operating Supply Voltage 2.7 V ~ 3.3 V
RF Type General
Package 20-VFQFN Exposed Pad
Manufacturer Package 20-QFN (4x4)
Win Source Part Number 763596-4257-52
Popularity Medium
Fake Threat In the Open Market 31 pct.
Supply and Demand Status Limited


The Peregrine Semiconductor 4257-52 is an UltraCMOS SPDT absorptive switch that operates within a frequency range of DC to 3GHz. This 50-ohm impedance component has an operating supply voltage of 2.7V to 3.3V and is packaged in a 20-QFN (4x4) case. With a medium popularity and a fake threat of 31% in the open market, the supply and demand status of this product is limited. The switch offers an isolation of 44dB at 3GHz and an insertion loss of 1.2dB at 3GHz. It has an IIP3 of 55dBm (typ) and a P1dB of 31dBm (typ) IP1dB.

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