Current Regulation/Management

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Function	Sensing Method	Accuracy	Voltage - Input	Current - Output	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
LM334 MWC IC CURRENT SOURCE 6% WAFERSALE Texas Instruments	2,155	-	RFQ	Datasheet	-	Die	Bulk	Active	Current Source	-	±6%	1V ~ 40V	Adjustable	0°C ~ 70°C	-	-	Surface Mount	Wafersale
LM334Z IC CURRENT SOURCE 3% TO92-3 STMicroelectronics	4,445	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA)	Bulk	Obsolete	Current Source	-	±3%	1V ~ 40V	10mA	0°C ~ 70°C	-	-	Through Hole	TO-92-3
NIS5132MN1-FN-7 IC ELECTRONIC FUSE 10UDFN Diodes Incorporated	2,762	-	RFQ	Datasheet	-	10-UFDFN Exposed Pad	Tape & Reel (TR)	Obsolete	Electronic Fuse	High-Side	-	9V ~ 18V	3.6A	-40°C ~ 150°C	-	-	Surface Mount	U-DFN3030-10
NIS5132MN2-FN-7 IC ELECTRONIC FUSE 10UDFN Diodes Incorporated	3,474	-	RFQ	Datasheet	-	10-UFDFN Exposed Pad	Tape & Reel (TR)	Obsolete	Electronic Fuse	High-Side	-	9V ~ 18V	3.6A	-40°C ~ 150°C	-	-	Surface Mount	U-DFN3030-10
STEF05LAPUR IC ELECTRONIC FUSE 10DFN STMicroelectronics	4,084	-	RFQ	Datasheet	-	10-VFDFN Exposed Pad	Tape & Reel (TR)	Active	Electronic Fuse	-	-	4.5V ~ 8V	3.6A	-40°C ~ 125°C (TJ)	-	-	Surface Mount	10-DFN (3x3)
STEF05DHPUR IC ELECTRONIC FUSE 10DFN STMicroelectronics	1,000	-	RFQ	Datasheet	-	10-VFDFN Exposed Pad	Tape & Reel (TR)	Active	Electronic Fuse	-	-	3.1V ~ 10V	3.6A	-40°C ~ 125°C (TJ)	-	-	Surface Mount	10-DFN (3x3)
STEF05LAJR IC ELECTRONIC FUSE 9FLIPCHIP STMicroelectronics	3,750	-	RFQ	Datasheet	-	9-UFBGA, FCBGA	Tape & Reel (TR)	Active	Electronic Fuse	-	-	4.5V ~ 8V	2.5A	-40°C ~ 125°C (TJ)	-	-	Surface Mount	9-FlipChip (1.19x1.19)
STEF05LJR IC ELECTRONIC FUSE 9FLIPCHIP STMicroelectronics	2,748	-	RFQ	Datasheet	-	9-UFBGA, FCBGA	Tape & Reel (TR)	Active	Electronic Fuse	-	-	4.5V ~ 8V	2.5A	-40°C ~ 125°C (TJ)	-	-	Surface Mount	9-FlipChip (1.19x1.19)
AP2331TDW-7 IC CURRENT SWITCH SC59-3 Diodes Incorporated	1,490	-	RFQ	Datasheet	-	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Obsolete	Current Switch	High-Side	-	2.7V ~ 5.2V	200mA	-40°C ~ 85°C	-	-	Surface Mount	SC-59-3
INA199B3QDCKRQ1 IC CURRENT SENSE 1.5% SC70-6 Texas Instruments	2,205	-	RFQ	Datasheet	Zero-Drift	6-TSSOP, SC-88, SOT-363	Tape & Reel (TR)	Active	Current Sense	High/Low-Side	±1.5%	-0.1V ~ 26V	-	-40°C ~ 125°C	Automotive	AEC-Q100	Surface Mount	SC-70-6
STEF05LPUR IC ELECTRONIC FUSE 10DFN STMicroelectronics	1,559	-	RFQ	Datasheet	-	10-VFDFN Exposed Pad	Tape & Reel (TR)	Active	Electronic Fuse	-	-	4.5V ~ 8V	3.6A	-40°C ~ 125°C (TJ)	-	-	Surface Mount	10-DFN (3x3)
NSIC2030BT3G IC CURRENT REGULATOR SMB onsemi	4,179	-	RFQ	Datasheet	-	DO-214AA, SMB	Tape & Reel (TR)	Obsolete	Current Regulator	High/Low-Side	-	120V	30mA	-55°C ~ 175°C	-	-	Surface Mount	SMB
LM234Z IC CURRENT SOURCE 3% TO92-3 STMicroelectronics	3,217	-	RFQ	Datasheet	-	TO-226-3, TO-92-3 (TO-226AA)	Bulk	Obsolete	Current Source	-	±3%	1V ~ 40V	10mA	-25°C ~ 100°C	-	-	Through Hole	TO-92-3
STEF12SAPUR DISCRETE STMicroelectronics	2,548	-	RFQ	Datasheet	-	10-VFDFN Exposed Pad	Bulk	Active	Electronic Fuse	High-Side	-	10V ~ 13.8V	3.5A	-40°C ~ 125°C (TJ)	-	-	Surface Mount	10-DFN (3x3)
U4793B-MFPG3 IC CURRENT MONITOR 8SOIC Microchip Technology	2,092	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Current Monitor	-	-	9V ~ 15V	20mA	-40°C ~ 125°C	-	-	Surface Mount	8-SOIC
U4793B-MFP IC CURRENT MONITOR 8SOIC Microchip Technology	1,818	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Current Monitor	-	-	9V ~ 15V	20mA	-40°C ~ 125°C	-	-	Surface Mount	8-SOIC
U4793B-M IC CURRENT MONITOR 8DIP Microchip Technology	1,811	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Tube	Obsolete	Current Monitor	-	-	9V ~ 15V	20mA	-40°C ~ 125°C	-	-	Through Hole	8-PDIP
MP5099GDT-Z DUAL-CHANNEL CURRENT LIMIT SWITC Monolithic Power Systems Inc.	2,604	-	RFQ	Datasheet	-	10-WFQFN	Tape & Reel (TR)	Active	Current Monitor	High-Side	±10%	4.5V ~ 5.5V, 10.8V ~ 13.2V	3A, 4A	-40°C ~ 125°C (TJ)	-	-	Surface Mount	10-TQFN (2x3)
INA199C1QDCKRQ1 IC CURRENT SENSE 1% SC70-6 Texas Instruments	2,585	-	RFQ	Datasheet	-	6-TSSOP, SC-88, SOT-363	Tape & Reel (TR)	Active	Current Sense	High/Low-Side	±1%	-0.1V ~ 26V	-	-40°C ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount	SC-70-6
INA199C2QDCKRQ1 IC CURRENT SENSE 1% SC70-6 Texas Instruments	4,114	-	RFQ	Datasheet	-	6-TSSOP, SC-88, SOT-363	Tape & Reel (TR)	Active	Current Sense	High/Low-Side	±1%	-0.1V ~ 26V	-	-40°C ~ 125°C (TA)	Automotive	AEC-Q100	Surface Mount	SC-70-6

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Current Regulation/Management FAQ

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Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.