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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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DigiKey ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR D#: SI4431-B1-FMR-ND	Silicon Laboratories Inc	IC RF TXRX ISM<1GHZ 20QFN Min Qty: 2500 Container: Tape & Reel	0 Tape & Reel	2500 $7.7089	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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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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Kepictronics Inc.  

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

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

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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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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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GlobalTek Components  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431B1FMR		OEM/CM QUOTES ONLY | NO BROKERS	120000		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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New Strength Electronic Co., Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Vishay Siliconix		5000		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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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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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	11740	119 $2.8464 89 $3.1748 69 $3.2843 50 $3.3937 32 $3.5032 14 $4.2696 Show All	Buy Now

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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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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 associated parts:

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• SI4431B1FMR •
• SI4431-B1-FM

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