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Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR D#: 634-SI4431-B1-FMR	Silicon Laboratories Inc	RF Transceiver +13 dBm sub-GHz Transceiver RoHS: Compliant	0		Order Now
SI4431-B1-FM D#: 634-SI4431-B1-FM	Silicon Laboratories Inc	RF Transceiver +13 dBm sub-GHz Transceiver RoHS: Compliant	0		Order Now

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Verical Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR D#: 92962368	Silicon Laboratories Inc	+13 dBm Sub-GHz Transmitter RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Date Code: 2552	Americas - 2500	50000 $6.4920 20000 $6.5570 15000 $6.6650 10000 $6.7320 5000 $6.8000 2500 $6.9700 Show All	Buy Now

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Verical Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR D#: 92962368	Silicon Laboratories Inc	+13 dBm Sub-GHz Transmitter RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Date Code: 2552	Americas - 2500	50000 $6.4920 20000 $6.5570 15000 $6.6650 10000 $6.7320 5000 $6.8000 2500 $6.9700 Show All	Buy Now

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Verical Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR D#: 92962368	Silicon Laboratories Inc	+13 dBm Sub-GHz Transmitter RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Date Code: 2552	Americas - 2500	50000 $6.4920 20000 $6.5570 15000 $6.6650 10000 $6.7320 5000 $6.8000 2500 $6.9700 Show All	Buy Now

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TME ECIA Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR D#: SI4431B1FMR-SIL-0	Silicon Laboratories Inc	IC: RF transceiver Min Qty: 2500	2500	2500 $8.9600	Buy Now

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Kepictronics Inc.  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	DC 12+ , QFN	4980		RFQ

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Bristol Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	RF Transceiver FSK/GFSK/OOK 3V Automotive AEC-Q100 20-Pin QFN EP T/R Min Qty: 1	2500	250 $4.6569 150 $4.8735 50 $5.0901 20 $5.4150 5 $7.0395 1 $10.8300 Show All	Buy Now

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North Star Micro Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR D#: NS-SI4431-B1-FMR	Silicon Laboratories Inc	OEM/CM ONLY	4465		RFQ

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Quest Components  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc		2000	527 $4.9875 325 $5.7000 1 $14.2500	Buy Now
SI4431-B1-FMR	Silicon Laboratories Inc		2000	467 $8.0544 214 $8.5914 1 $12.0816	Buy Now

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Axis Part Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	SILICON LABS	Purchase Online. Ship Immediately. - RF Transceiver ICs ROHS	1166	1000 $2.1030 500 $2.1174 100 $2.1494 30 $2.2165 10 $2.2852 1 $2.3987 Show All	Buy Now

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Time Way Electronics Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Skyworks Solutions Inc	IN STOCK	5000		RFQ

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GlobalTek Components  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431B1FMR		OEM/CM QUOTES ONLY | NO BROKERS	120000		RFQ

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YIC International Co., Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Labs	IC RF TXRX ISM<1GHZ 20VFQFN	5361	1 $2.2750 10 $2.2750 100 $2.2750 1000 $2.2750 10000 $2.2750 Show All	RFQ

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Cytech Systems Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	SL	IC RF TXRX ISM<1GHZ 20VFQFN	2500		RFQ

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MountainView Components Inc.  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	OEM/CM Immediate delivery	5000		RFQ

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Silitech Components Inc.  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	IN stock Immediate delivery	5015		RFQ

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Shengyu Electronics Technology Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Labs	IC RF TXRX ISM<1GHZ 20QFN	9399		RFQ

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Chip Stock  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	RF Transceiver FSK/GFSK/OOK 3V Automotive 20-Pin QFN EP T/R	32500		RFQ

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Futuretech Components Ltd  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	OEM/CM/EMS Only	5000		RFQ
SI4431-B1-FMR	Energy Micro (Silicon Labs)	OEM/CM/EMS Only	3000		RFQ

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Sierra IC  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431B1FMR	Silicon Laboratories Inc	OEM/CM ONLY	2516		RFQ

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Sense Electronic Company Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Vishay Siliconix	QFN	54857		RFQ

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Unicom Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	IN STOCK Immediate delivery	3900		RFQ
SI4431-B1-FMR	Silicon Image Inc	IN STOCK Immediate delivery	1886		RFQ

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New Strength Electronic Co., Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Vishay Siliconix		5000		RFQ

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IC Components Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Energy Micro AS	IC RF TXRX ISM<1GHZ 20VFQFN	20400	1 $2.2791	RFQ

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Win Source Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	IC RF TXRX ISM<1GHZ 20VFQFN / IC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad	17150	164 $1.8359 131 $1.9105 101 $1.9851 71 $2.1344 46 $2.2090 22 $2.3583 Show All	Buy Now

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Perfect Parts Corporation  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc		402		RFQ
SI4431-B1-FMR	MFG UPON REQUEST		11		RFQ

SI4431-B1-FMR associated parts:

• SI4431-B1-FM •
• SI4431B1FMR •
• SI4431B1FMR

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