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STMicroelectronics
UC3843BD1013TR

IC REG CTRLR BOOST/FLYBACK 8SOIC / Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

Distributor	Stock		1	10	100	1,000
DigiKey	16,632	USD	0.920	0.825	0.643	0.419	Visit Site
Arrow Electronics	548	USD	0.515	0.491	0.441	0.353	Visit Site
Verical	2,500	USD					Visit Site
TME	2,380	EUR		0.438	0.406	0.320	Visit Site
Future Electronics	47,500	USD					Visit Site

STMicroelectronics
UC3843BN

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8

Distributor	Stock		1	10	100	1,000
DigiKey	2,006	USD	0.900	0.808	0.630	0.411	Visit Site
TME	1,821	EUR		0.404	0.357	0.288	Visit Site
Newark	1,299	USD	0.721	0.668	0.558	0.436	Visit Site
Future Electronics	4	USD	0.430	0.430	0.415	0.385	Visit Site
Mouser	3,069	USD	0.830	0.825	0.643	0.420	Visit Site

onsemi
UC3843BD1G

UC3843BD1G, PWM Current Mode Controller, 1 A, 500 kHz 8-Pin SOIC | ON Semiconductor UC3843BD1G

Distributor	Stock		1	10	100	1,000
DigiKey	324	USD	0.740	0.652	0.464	0.375	Visit Site
Avnet	81	USD			0.286	0.262	Visit Site
Verical	528	USD			0.308	0.296	Visit Site
Arrow Electronics	528	USD	0.574	0.500	0.308	0.295	Visit Site
Mouser	39,064	USD	0.740	0.612	0.336	0.274	Visit Site

onsemi
UC3843BVD1R2G

UC384*B Boost Flyback Tape & Reel (TR) e3 DC to DC switching controller 50ns 17mA 1.5mm 5V

Distributor	Stock		1	10	100	1,000
DigiKey	736	USD	0.740	0.647	0.461	0.284	Visit Site
Flip Electronics (Authorized)	48,495	USD	0.300	0.300	0.300	0.300	Visit Site
Rochester Electronics	2,490	USD	0.283	0.283	0.266	0.241	Visit Site
Avnet	48,495	USD					Visit Site
Arrow Electronics	110	USD	0.665	0.495	0.249	0.249	Visit Site

onsemi
UC3843BD1R2G

UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8

Distributor	Stock		1	10	100	1,000
DigiKey	0	USD	0.710	0.626	0.446	0.275	Visit Site
Flip Electronics (Authorized)	435,500	USD	0.210	0.210	0.210	0.210	Visit Site
Avnet	350,500	USD					Visit Site
Verical	4,695	USD			0.347	0.252	Visit Site
Arrow Electronics	4,695	USD	0.555	0.509	0.347	0.252	Visit Site

Texas Instruments
UC3843D8TR

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8

Distributor	Stock		1	10	100	1,000
Texas Instruments	11,390	USD	0.568	0.568	0.437	0.230	Visit Site
DigiKey	11,835	USD	1.30	1.16	0.904	0.589	Visit Site
Rochester Electronics	3,508	USD	0.335	0.335	0.315	0.285	Visit Site
Arrow Electronics	1,147	USD	0.574	0.548	0.498	0.389	Visit Site
Mouser	424	USD	1.15	0.988	0.774	0.550	Visit Site

Texas Instruments
UC3843D

CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 0C~70C TA Up to 500kHz 2.5V 8.65mm

Distributor	Stock		1	10	100	1,000
DigiKey	435	USD	1.57	1.40	1.09	0.712	Visit Site
Rochester Electronics	12,603	USD	0.685	0.685	0.644	0.583	Visit Site
Arrow Electronics	1,000	USD				0.627	Visit Site
Mouser	330	USD	1.57	1.33	1.02	0.685	Visit Site
Texas Instruments	0	USD	1.16	1.16	0.893	0.470	Visit Site

onsemi
UC3843BNG

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8

Distributor	Stock		1	10	100	1,000
DigiKey	0	USD	1.00	0.895	0.652	0.425	Visit Site
Rochester Electronics	32,677	USD	0.438	0.438	0.412	0.372	Visit Site
Avnet	30	USD	1.11	1.01	0.756	0.525	Visit Site
Arrow Electronics	1,800	USD	0.780	0.665	0.505	0.397	Visit Site
Verical	195	USD			0.517	0.405	Visit Site

onsemi
UC3843BDR2G

UC384*B Boost Flyback Tape & Reel (TR) e3 DC to DC switching controller 50ns 17mA 1.5mm 5V

Distributor	Stock		1	10	100	1,000
DigiKey	2,390	USD	0.790	0.694	0.494	0.305	Visit Site
Rochester Electronics	980	USD	0.304	0.304	0.285	0.258	Visit Site
Newark	1,045	USD		0.678	0.438	0.316	Visit Site
Mouser	2,500	USD	0.780	0.652	0.421	0.304	Visit Site
Future Electronics	0	USD					Visit Site

Texas Instruments
UC3843N

UNITRODE# UC3843N Current Mode PWM Controller 1A 8 -Pin PDIP

Distributor	Stock		1	10	100	1,000
DigiKey	612	USD	1.44	1.29	1.00	0.654	Visit Site
Rochester Electronics	957	USD	0.601	0.601	0.565	0.511	Visit Site
Arrow Electronics	3	USD	0.871	0.790	0.696	0.577	Visit Site
Mouser	224	USD	1.44	1.16	0.912	0.654	Visit Site
Texas Instruments	0	USD	1.02	1.02	0.783	0.412	Visit Site