ic

SI4431-B1-FM

Symbol
VDD_RF1TX2RXp3RXn4NC5ANT6GPIO_07GPIO_18GPIO_29VR_DIG10NC11GND21SDN20XIN19XOUT18nIRQ17nSEL16SCLK15SDI14SDO13VDD_DIG12
Footprint
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3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
VDD_RFpowerSMDroundrect0.665×0.28
TXoutputSMDroundrect0.665×0.28
RXpioSMDroundrect0.665×0.28
RXnpassiveSMDroundrect0.665×0.28
NCncSMDroundrect0.665×0.28
ANTpassiveSMDroundrect0.28×0.665
GPIO_0passiveSMDroundrect0.28×0.665
GPIO_1passiveSMDroundrect0.28×0.665
GPIO_2passiveSMDroundrect0.28×0.665
VR_DIGpassiveSMDroundrect0.28×0.665
NCncSMDroundrect0.665×0.28
VDD_DIGpowerSMDroundrect0.665×0.28
SDOoutputSMDroundrect0.665×0.28
SDIinputSMDroundrect0.665×0.28
SCLKinputSMDroundrect0.665×0.28
nSELpassiveSMDroundrect0.28×0.665
nIRQpassiveSMDroundrect0.28×0.665
XOUTpassiveSMDroundrect0.28×0.665
XINpassiveSMDroundrect0.28×0.665
SDNpassiveSMDroundrect0.28×0.665
GNDgroundSMDroundrect2.7×2.7

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Details

Category
ic
MPN
SI4431-B1-FM
Manufacturer
SKYWORKS/SILICON LABS
Package
QFN-20(4x4)
Footprint
QFN-20_L4.0-W4.0-P0.50-TL-EP2.7
JLCPCB
C3606893
LCSC
C3606893
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 1
ECCN
5A991B

JLCPCB Stock & Pricing

In Stock(6 pcs)
1-9 pcs$18.3051
10-29 pcs$17.4907
30-99 pcs$16.0803
100-101 pcs$14.8497
102-103 pcs$14.8497
104+ pcs$14.8497