LDO Voltage Regulators – Mouser Singapore

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NCP161 High PSRR LDO Regulators

onsemi NCP161 High PSRR LDO Regulators are linear regulators capable of supplying 450mA output currents. The NCP161 is designed to meet the requirements of RF and analog circuits. The devices offer low noise, high PSRR, low quiescent current, and very good load/line transient performance. The device is designed to work with a 1µF input and a 1µF ceramic output capacitor. The onsemi NCP161 are available in two thickness ultrasmall 0.35P, 0.65x0.65mm Chip Scale Package (CSP) and XDFN-4 0.65P, 1mm x 1mm.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage	Output Current	Number of Outputs	Polarity	Quiescent Current	PSRR / Ripple Rejection - Typ	Output Type	Minimum Operating Temperature	Maximum Operating Temperature	Dropout Voltage	Series	Packaging
LDO Voltage Regulators 450MA ACTIVE DISCHARGE NCP161AMX280TBG onsemi 1: $0.435 534In Stock	Mfr. Part No. NCP161AMX280TBG Mouser Part No 863-NCP161AMX280TBG	onsemi	LDO Voltage Regulators 450MA ACTIVE DISCHARGE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	534In Stock	Cut Tape $0.435 $0.305 $0.268 $0.228 View Reel $0.171 $0.209 $0.199 $0.189 $0.177 $0.171 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	XDFN-4	2.8 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	175 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 450MA ACTIVE DISCHARGE NCP161AMX300TBG onsemi 1: $0.435 1,336In Stock 20,000Expected 15/12/2026	Mfr. Part No. NCP161AMX300TBG Mouser Part No 863-NCP161AMX300TBG	onsemi	LDO Voltage Regulators 450MA ACTIVE DISCHARGE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	1,336In Stock 20,000Expected 15/12/2026	Cut Tape $0.435 $0.305 $0.268 $0.228 View Reel $0.171 $0.209 $0.199 $0.189 $0.177 $0.171 MouseReel Available	Min.: 1 Mult.: 1 Max.: 5,000 : 5,000	SMD/SMT	XDFN-4	3 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	165 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators LDO 450MA ACTIVE DISCHARGE NCP161AMX320TBG onsemi 1: $0.435 1,456In Stock 5,000Expected 11/12/2026	Mfr. Part No. NCP161AMX320TBG Mouser Part No 863-NCP161AMX320TBG	onsemi	LDO Voltage Regulators LDO 450MA ACTIVE DISCHARGE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	1,456In Stock 5,000Expected 11/12/2026	Cut Tape $0.435 $0.305 $0.268 $0.228 View Reel $0.171 $0.209 $0.199 $0.189 $0.177 $0.171 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	XDFN-4	3.2 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 40 C	+ 125 C	150 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 2.5V NCP161ASN250T1G onsemi 1: $0.857 5,235In Stock	Mfr. Part No. NCP161ASN250T1G Mouser Part No 863-NCP161ASN250T1G	onsemi	LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 2.5V	Datasheet	5,235In Stock	Cut Tape $0.857 $0.598 $0.534 $0.464 Reel $0.374 View $0.431 $0.411 $0.394 $0.363 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	2.5 V	450 mA	1 Output	Positive	18 uA	48 dB	Fixed	- 40 C	+ 125 C	190 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 2.8V NCP161ASN280T1G onsemi 1: $0.857 2,650In Stock	Mfr. Part No. NCP161ASN280T1G Mouser Part No 863-NCP161ASN280T1G	onsemi	LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 2.8V Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	2,650In Stock	Cut Tape $0.857 $0.598 $0.534 $0.464 Reel $0.374 View $0.431 $0.411 $0.394 $0.363 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	2.8 V	450 mA	1 Output	Positive	18 uA	48 dB	Fixed	- 40 C	+ 125 C	260 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 3.0V NCP161ASN300T1G onsemi 1: $0.857 4,489In Stock	Mfr. Part No. NCP161ASN300T1G Mouser Part No 863-NCP161ASN300T1G	onsemi	LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 3.0V Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	4,489In Stock	Cut Tape $0.857 $0.598 $0.534 $0.464 Reel $0.374 View $0.431 $0.411 $0.394 $0.363 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3 V	450 mA	1 Output	Positive	18 uA	48 dB	Fixed	- 40 C	+ 125 C	240 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 5.0V NCP161ASN500T1G onsemi 1: $0.857 3,240In Stock	Mfr. Part No. NCP161ASN500T1G Mouser Part No 863-NCP161ASN500T1G	onsemi	LDO Voltage Regulators LDO Reg, Ultra-Low Noise High PSRR 5.0V	Datasheet	3,240In Stock	Cut Tape $0.857 $0.598 $0.534 $0.464 Reel $0.374 View $0.431 $0.411 $0.394 $0.363 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	5 V	450 mA	1 Output	Positive	18 uA	48 dB	Fixed	- 40 C	+ 125 C	105 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE NCP161BFCS330T2G onsemi 1: $0.394 1,383In Stock 10,000Expected 9/11/2026	Mfr. Part No. NCP161BFCS330T2G Mouser Part No 863-NCP161BFCS330T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	1,383In Stock 10,000Expected 9/11/2026	Cut Tape $0.394 $0.272 $0.241 $0.204 View Reel $0.154 $0.188 $0.177 $0.169 $0.158 $0.154 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-4	3.3 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	150 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 450MA NON-ACTIVE DISCHARGE NCP161BMX280TBG onsemi 1: $0.517 2,500In Stock	Mfr. Part No. NCP161BMX280TBG Mouser Part No 863-NCP161BMX280TBG	onsemi	LDO Voltage Regulators 450MA NON-ACTIVE DISCHARGE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	2,500In Stock	Cut Tape $0.517 $0.355 $0.313 $0.267 View Reel $0.20 $0.245 $0.231 $0.22 $0.207 $0.20 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	XDFN-4	2.8 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	175 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 450MA NON-ACTIVE DISCHARGE NCP161BMX350TBG onsemi 1: $0.517 1,891In Stock	Mfr. Part No. NCP161BMX350TBG Mouser Part No 863-NCP161BMX350TBG	onsemi	LDO Voltage Regulators 450MA NON-ACTIVE DISCHARGE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	1,891In Stock	Cut Tape $0.517 $0.355 $0.313 $0.267 View Reel $0.20 $0.245 $0.231 $0.22 $0.207 $0.20 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	XDFN-4	3.5 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	150 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE NCP161BFCT250T2G onsemi 1: $0.367 3,461In Stock	Mfr. Part No. NCP161BFCT250T2G Mouser Part No 863-NCP161BFCT250T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	3,461In Stock	Cut Tape $0.367 $0.26 $0.228 $0.194 View Reel $0.146 $0.178 $0.169 $0.16 $0.151 $0.146 $0.146 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	SMD/SMT	WLCSP-4	2.5 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	190 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE NCP161BFCT500T2G onsemi 1: $0.367 4,366In Stock	Mfr. Part No. NCP161BFCT500T2G Mouser Part No 863-NCP161BFCT500T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	4,366In Stock	Cut Tape $0.367 $0.26 $0.228 $0.194 View Reel $0.146 $0.178 $0.169 $0.16 $0.151 $0.146 $0.146 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	SMD/SMT	WLCSP-4	5 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	105 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA 2.8V ACTIVE DISCHARGE onsemi NCP161AFCTC280T2G NCP161AFCTC280T2G onsemi 1: $0.34 9,990In Stock	Mfr. Part No. NCP161AFCTC280T2G Mouser Part No 863-CP161AFCTC280T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA 2.8V ACTIVE DISCHARGE	Datasheet	9,990In Stock	Cut Tape $0.34 $0.239 $0.211 $0.18 View Reel $0.135 $0.165 $0.156 $0.148 $0.14 $0.135 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 10,000													NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE NCP161BFCS350T2G onsemi 1: $0.394 11In Stock	Mfr. Part No. NCP161BFCS350T2G Mouser Part No 863-NCP161BFCS350T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	11In Stock	Cut Tape $0.394 $0.272 $0.241 $0.204 View Reel $0.154 $0.188 $0.177 $0.169 $0.158 $0.154 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-4	3.5 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	150 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 450MA NON-ACTIVE DISCHARGE NCP161BMX250TBG onsemi 1: $0.517 9,785Expected 11/12/2026	Mfr. Part No. NCP161BMX250TBG Mouser Part No 863-NCP161BMX250TBG	onsemi	LDO Voltage Regulators 450MA NON-ACTIVE DISCHARGE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	9,785Expected 11/12/2026	Cut Tape $0.517 $0.355 $0.313 $0.267 View Reel $0.20 $0.245 $0.231 $0.22 $0.207 $0.20 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	XDFN-4	2.5 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	190 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE NCP161BFCS450T2G onsemi 1: $0.394 355,000Factory Stock Available	Mfr. Part No. NCP161BFCS450T2G Mouser Part No 863-NCP161BFCS450T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	355,000Factory Stock Available More Info Available	Cut Tape $0.394 $0.272 $0.241 $0.204 View Reel $0.154 $0.188 $0.177 $0.169 $0.158 $0.154 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-4	4.5 V	450 mA	1 Output		18 uA	98 dB	Fixed	- 55 C	+ 150 C	120 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS NCP161AFCS514T2G onsemi 1: $0.367 320,000Factory Stock Available	Mfr. Part No. NCP161AFCS514T2G Mouser Part No 863-NCP161AFCS514T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA ACTIVE DIS Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	320,000Factory Stock Available More Info Available	Cut Tape $0.367 $0.258 $0.227 $0.194 View Reel $0.146 $0.178 $0.169 $0.16 $0.15 $0.146 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-4	5.14 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 40 C	+ 125 C	150 mV	NCP161	Reel, Cut Tape, MouseReel
LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE NCP161BFCT280T2G onsemi 1: $0.367 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. NCP161BFCT280T2G Mouser Part No 863-NCP161BFCT280T2G	onsemi	LDO Voltage Regulators CSP LDO 450MA NON-ACTIVE Learn More about onsemi on semiconductors ncp161 regulators	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape $0.367 $0.26 $0.228 $0.194 View Reel $0.146 $0.178 $0.169 $0.16 $0.151 $0.146 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-4	2.8 V	450 mA	1 Output	Positive	18 uA	98 dB	Fixed	- 55 C	+ 150 C	175 mV	NCP161	Reel, Cut Tape, MouseReel

NCP161 High PSRR LDO Regulators

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