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Protection & Small Signal Discretes

onsemi Protection & Small Signal Discretes are a portfolio of over 8000 discretes available in 176 packages. The portfolio features high performance small signal Schottky in the industry's smallest form factor. Standard & automotive small signal products are available.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) Filter the results in the table by unit price based on your quantity.	Qty.
Small Signal Switching Diodes Small Signal Diode MMSD3070 onsemi 1: NT$7.89 757,870In Stock	Mfr. Part # MMSD3070 Mouser Part # 512-MMSD3070	onsemi	Small Signal Switching Diodes Small Signal Diode Learn More about onsemi on semi small signal switching diodes	Datasheet	757,870In Stock	Cut Tape NT$7.89 NT$4.62 NT$3.51 NT$2.51 NT$2.37 Reel NT$1.94 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,250 : 3,000
Switching Controllers SECONDARY SIDE SYNCH NCP4305DMNTWG onsemi 1: NT$45.89 6,427In Stock 8,000Expected 9/25/2026	Mfr. Part # NCP4305DMNTWG Mouser Part # 863-NCP4305DMNTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCH Learn More about onsemi on semi usb type c	Datasheet	6,427In Stock 8,000Expected 9/25/2026	Cut Tape NT$45.89 NT$33.27 NT$30.11 NT$26.64 View Reel NT$21.29 NT$24.95 NT$23.95 NT$23.52 NT$21.29 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES NCP4305DMTTWG onsemi 1: NT$43.02 5,579In Stock	Mfr. Part # NCP4305DMTTWG Mouser Part # 863-NCP4305DMTTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES Learn More about onsemi on semi usb type c	Datasheet	5,579In Stock	Cut Tape NT$43.02 NT$31.15 NT$28.21 NT$24.92 View Reel NT$19.11 NT$23.37 NT$22.41 NT$20.43 NT$19.11 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Power Switch ICs - Power Distribution Load Switch w/ Adj Current Limit Cntrl FPF2595UCX onsemi 1: NT$40.15 8,671In Stock	Mfr. Part # FPF2595UCX Mouser Part # 512-FPF2595UCX	onsemi	Power Switch ICs - Power Distribution Load Switch w/ Adj Current Limit Cntrl Learn More about onsemi on semi fpf2595 load switch	Datasheet	8,671In Stock	Cut Tape NT$40.15 NT$28.86 NT$26.06 NT$22.94 View Reel NT$17.67 NT$21.55 NT$20.69 NT$18.96 NT$17.67 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
MOSFETs SWITCHING DEVICE ECH8310-TL-H onsemi 1: NT$57.72 6,000In Stock	Mfr. Part # ECH8310-TL-H Mouser Part # 863-ECH8310-TL-H	onsemi	MOSFETs SWITCHING DEVICE Learn More about onsemi on semi usb type c	Datasheet	6,000In Stock	Cut Tape NT$57.72 NT$27.14 NT$24.16 NT$18.89 Reel NT$14.16 View NT$18.57 NT$13.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Switching Controllers SECONDARY SIDE SYNCH RONOU NCP4306AADZZZAMNTWG onsemi 1: NT$37.28 6,594In Stock	Mfr. Part # NCP4306AADZZZAMNTWG Mouser Part # 863-4306AADZZZAMNTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCH RONOU Learn More about onsemi ncp4306 drivers	Datasheet	6,594In Stock	Cut Tape NT$37.28 NT$24.84 NT$22.87 NT$20.76 View Reel NT$18.68 NT$19.72 NT$19.11 NT$18.75 NT$18.71 NT$18.68 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Schottky Diodes & Rectifiers RF SCHOTTKY BARRIER NSVR201MXT5G onsemi 1: NT$19.72 7,428In Stock	Mfr. Part # NSVR201MXT5G Mouser Part # 863-NSVR201MXT5G	onsemi	Schottky Diodes & Rectifiers RF SCHOTTKY BARRIER Learn More about onsemi on semi small signal rf discretes	Datasheet	7,428In Stock	Cut Tape NT$19.72 NT$12.33 NT$9.97 NT$9.54 View Reel NT$8.57 NT$9.14 NT$9.03 NT$8.57 NT$8.57	Min.: 1 Mult.: 1 Max.: 8,000 : 8,000
Switching Controllers SECONDARY SIDE SYNCHRONOU NCP43080DDR2G onsemi 1: NT$25.81 17,937In Stock	Mfr. Part # NCP43080DDR2G Mouser Part # 863-NCP43080DDR2G	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOU Learn More about onsemi ncp43080 controller	Datasheet	17,937In Stock	Cut Tape NT$25.81 NT$19.97 NT$18.00 NT$15.77 View Reel NT$11.94 NT$14.73 NT$14.09 NT$13.19 NT$11.94 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
USB Interface IC Prgramble USB Type-C Controller w/PD FUSB302B01MPX onsemi 1: NT$56.28 5,102In Stock	Mfr. Part # FUSB302B01MPX Mouser Part # 512-FUSB302B01MPX	onsemi	USB Interface IC Prgramble USB Type-C Controller w/PD Learn More about onsemi on semi usb type c	Datasheet	5,102In Stock	Cut Tape NT$56.28 NT$42.66 NT$37.64 NT$33.63 View Reel NT$27.21 NT$32.05 NT$31.01 NT$28.93 NT$27.21 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
Switching Controllers SECONDARY SIDE SYNCHRONOUS NCP4306AAHZZZADR2G onsemi 1: NT$35.49 3,976In Stock	Mfr. Part # NCP4306AAHZZZADR2G Mouser Part # 863-NCP4306AAHZADR2G	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS Learn More about onsemi ncp4306 drivers	Datasheet	3,976In Stock	Cut Tape NT$35.49 NT$25.38 NT$22.91 NT$20.18 View Reel NT$16.71 NT$18.86 NT$18.07 NT$17.53 NT$16.71 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500
Switching Controllers USB-PD WITH 2 SWITCH BUCK onsemi NCP81231MNTXG NCP81231MNTXG onsemi 1: NT$78.15 47,593In Stock NRND	Mfr. Part # NCP81231MNTXG Mouser Part # 863-NCP81231MNTXG NRND	onsemi	Switching Controllers USB-PD WITH 2 SWITCH BUCK Learn More about onsemi on semi usb type c	Datasheet	47,593In Stock	Cut Tape NT$78.15 NT$57.72 NT$52.70 NT$47.32 Reel NT$38.00 View NT$44.45 NT$43.02 NT$39.79 NT$37.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Small Signal Switching Diodes SS SWITCHING DIODE NSD914F3T5G onsemi 1: NT$16.85 3,301In Stock 8,000Expected 1/21/2027	Mfr. Part # NSD914F3T5G Mouser Part # 863-NSD914F3T5G	onsemi	Small Signal Switching Diodes SS SWITCHING DIODE Learn More about onsemi on semi small signal switching diodes	Datasheet	3,301In Stock 8,000Expected 1/21/2027	Cut Tape NT$16.85 NT$7.46 NT$6.49 NT$4.84 Reel NT$2.33 View NT$4.41 NT$4.16 NT$2.62 NT$2.15 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
Small Signal Switching Diodes SS SWCH DIO 200V SBAS20HT1G onsemi 1: NT$11.83 52In Stock 27,000Expected 3/5/2027	Mfr. Part # SBAS20HT1G Mouser Part # 863-SBAS20HT1G	onsemi	Small Signal Switching Diodes SS SWCH DIO 200V Learn More about onsemi on semi small signal switching diodes	Datasheet	52In Stock 27,000Expected 3/5/2027	Cut Tape NT$11.83 NT$6.78 NT$4.16 NT$2.98 NT$2.62 Reel NT$2.29 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
AC/DC Converters HV QUASI-RESONANT CONTROLLER FEATURING VALLEY LOCKOUT SWITCHING onsemi NCP1340B3D1R2G NCP1340B3D1R2G onsemi 1: NT$45.53 8,553In Stock	Mfr. Part # NCP1340B3D1R2G Mouser Part # 863-NCP1340B3D1R2G	onsemi	AC/DC Converters HV QUASI-RESONANT CONTROLLER FEATURING VALLEY LOCKOUT SWITCHING Learn More about onsemi on semi usb type c	Datasheet	8,553In Stock	Cut Tape NT$45.53 NT$32.91 NT$29.65 NT$26.21 View Reel NT$20.47 NT$24.56 NT$23.59 NT$21.01 NT$20.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers SYNC-RECTIFER CONTROLLER NCP43080DMNTWG onsemi 1: NT$48.40 7In Stock	Mfr. Part # NCP43080DMNTWG Mouser Part # 863-NCP43080DMNTWG	onsemi	Switching Controllers SYNC-RECTIFER CONTROLLER Learn More about onsemi ncp43080 controller	Datasheet	7In Stock	Cut Tape NT$48.40 NT$35.06 NT$31.66 NT$28.03 View Reel NT$22.33 NT$26.28 NT$25.24 NT$24.38 NT$23.70 NT$22.33 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
USB Switch ICs USB 3.1, 5 Gbps SuperSpeed Switch FUSB340TMX onsemi 1: NT$37.64 32,935In Stock	Mfr. Part # FUSB340TMX Mouser Part # 512-FUSB340TMX	onsemi	USB Switch ICs USB 3.1, 5 Gbps SuperSpeed Switch Learn More about onsemi fusb340 superspeed switch	Datasheet	32,935In Stock	Cut Tape NT$37.64 NT$27.17 NT$24.09 NT$21.65 View Reel NT$17.03 NT$19.79 NT$19.22 NT$18.93 NT$18.46 NT$17.03 MouseReel Available	Min.: 1 Mult.: 1 Max.: 5,000 : 5,000
Switching Controllers I2C CONFIGURABLE 4 SWITCH NCP81239MNTXG onsemi 1: NT$70.62 16,875In Stock	Mfr. Part # NCP81239MNTXG Mouser Part # 863-NCP81239MNTXG	onsemi	Switching Controllers I2C CONFIGURABLE 4 SWITCH Learn More about onsemi ncp81239 controller	Datasheet	16,875In Stock	Cut Tape NT$70.62 NT$51.98 NT$47.32 NT$42.30 Reel NT$35.85 View NT$39.79 NT$39.08 NT$35.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Operational Amplifiers - Op Amps DUAL PRECISION OPAMP NCS2333DMR2G onsemi 1: NT$31.91 77,050In Stock	Mfr. Part # NCS2333DMR2G Mouser Part # 863-NCS2333DMR2G	onsemi	Operational Amplifiers - Op Amps DUAL PRECISION OPAMP Learn More about onsemi on semi ncxx333 op amps	Datasheet	77,050In Stock	Cut Tape NT$31.91 NT$22.84 NT$20.58 NT$18.10 View Reel NT$14.23 NT$16.89 NT$16.17 NT$15.63 NT$15.34 NT$14.23 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,130 : 4,000
Small Signal Switching Diodes SINGLE JUNC. 75V 4.0NS COMP 1N4148WT onsemi 1: NT$6.45 533,897In Stock 416,000Expected 6/18/2027	Mfr. Part # 1N4148WT Mouser Part # 512-1N4148WT	onsemi	Small Signal Switching Diodes SINGLE JUNC. 75V 4.0NS COMP Learn More about onsemi on semi small signal switching diodes	Datasheet	533,897In Stock 416,000Expected 6/18/2027	Cut Tape NT$6.45 NT$3.15 NT$2.44 NT$1.76 View Reel NT$0.968 NT$1.54 NT$1.33 NT$1.00 NT$0.968 MouseReel Available	Min.: 1 Mult.: 1 Max.: 8,000 : 8,000
USB Interface IC USB TYPE-C FUSB302B10MPX onsemi 1: NT$58.08 3,628In Stock	Mfr. Part # FUSB302B10MPX Mouser Part # 512-FUSB302B10MPX	onsemi	USB Interface IC USB TYPE-C Learn More about onsemi on semi usb type c	Datasheet	3,628In Stock	Cut Tape NT$58.08 NT$42.66 NT$38.72 NT$34.34 View Reel NT$27.93 NT$32.30 NT$31.08 NT$30.83 NT$27.93 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
USB Interface IC USB TYPE-C FUSB302B11MPX onsemi 1: NT$58.08 4,727In Stock	Mfr. Part # FUSB302B11MPX Mouser Part # 512-FUSB302B11MPX	onsemi	USB Interface IC USB TYPE-C Learn More about onsemi on semi usb type c	Datasheet	4,727In Stock	Cut Tape NT$58.08 NT$42.66 NT$38.72 NT$34.34 Reel NT$27.93 View NT$32.30 NT$31.08 NT$30.83 NT$27.32 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
USB Interface IC 302B Type-C Control IC with PD FUSB302BMPX onsemi 1: NT$39.44 5,386In Stock	Mfr. Part # FUSB302BMPX Mouser Part # 512-FUSB302BMPX	onsemi	USB Interface IC 302B Type-C Control IC with PD Learn More about onsemi on semi usb type c	Datasheet	5,386In Stock	Cut Tape NT$39.44 NT$28.54 NT$25.67 NT$22.73 View Reel NT$19.22 NT$21.12 NT$20.43 NT$19.65 NT$19.22 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000
USB Interface IC USB TYPE-C FUSB302TMPX onsemi 1: NT$44.10 4,510In Stock 45,000Expected 10/2/2026	Mfr. Part # FUSB302TMPX Mouser Part # 512-FUSB302TMPX	onsemi	USB Interface IC USB TYPE-C Learn More about onsemi on semi fusb302t usb controllers	Datasheet	4,510In Stock 45,000Expected 10/2/2026	Cut Tape NT$44.10 NT$32.01 NT$28.97 NT$25.60 View Reel NT$21.01 NT$23.98 NT$23.02 NT$22.55 NT$21.01 MouseReel Available	Min.: 1 Mult.: 1 Max.: 6,000 : 3,000
USB Interface IC USB Type-C Control Targeted for TA FUSB3301MPX onsemi 1: NT$48.04 14,933In Stock	Mfr. Part # FUSB3301MPX Mouser Part # 512-FUSB3301MPX	onsemi	USB Interface IC USB Type-C Control Targeted for TA Learn More about onsemi on semi usb type c	Datasheet	14,933In Stock	Cut Tape NT$48.04 NT$34.81 NT$31.55 NT$27.96 View Reel NT$22.55 NT$26.21 NT$25.20 NT$24.45 NT$22.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Switching Controllers SECONDARY SIDE SYNCH RONOU NCP4306AADZZZAMN1TBG onsemi 1: NT$38.72 3,891In Stock	Mfr. Part # NCP4306AADZZZAMN1TBG Mouser Part # 863-4306AADZZZAMN1TG	onsemi	Switching Controllers SECONDARY SIDE SYNCH RONOU Learn More about onsemi ncp4306 drivers	Datasheet	3,891In Stock	Cut Tape NT$38.72 NT$27.68 NT$24.99 NT$22.01 Reel NT$18.00 View NT$20.61 NT$19.75 NT$19.22 NT$16.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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