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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 Lead time: 12 Weeks Container: Tape & Reel (TR)	Limited Supply - Call	2500 $5.5934	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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Bristol Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	Min Qty: 1	2500	105 $4.3624 52 $4.6103 25 $4.9657 9 $5.3200 4 $6.9160 1 $10.6400 Show All	Buy Now

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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	1185	1000 $2.1139 500 $2.1283 100 $2.1605 30 $2.2279 10 $2.2970 1 $2.4110 Show All	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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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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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	7120	148 $2.0294 119 $2.1140 91 $2.1986 64 $2.3677 41 $2.4522 20 $2.6213 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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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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New Strength Electronic Co., Limited  

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

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

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

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Chip Stock  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
SI4431-B1-FMR	Silicon Laboratories Inc	RFTransceiverFSK/GFSK/OOK3VAutomotive20-PinQFNEPT/R	32500		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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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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Cytech Systems Limited  

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

SI4431-B1-FMR associated parts:

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

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