UC3843B? Price, Verteiler, Stock

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail

25,480 : $0.2344
10,192 : $0.2347
2,548 : $0.2397
1,078 : $0.2631
588 : $0.3016
98 : $0.3159
10 : $0.5545
1 : $0.6516

2,646

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

2,500 : $0.2316

2,500

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

25,000 : $0.3093
12,500 : $0.313
5,000 : $0.3138
2,500 : $0.3146

2,500

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

25,000 : $0.3067
12,500 : $0.3098
5,000 : $0.313
2,500 : $0.3161

2,500

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube

2,400 : $0.3625
1,000 : $0.3908
500 : $0.3968
100 : $0.4976
10 : $0.639
1 : $0.7725

1,800

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail

10,192 : $0.2351
2,548 : $0.2355
1,078 : $0.2561
588 : $0.2897
98 : $0.3024
10 : $0.4916
1 : $0.5643

822

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

500 : $0.3376
250 : $0.4275
100 : $0.4411
25 : $0.4752
10 : $0.4906
1 : $0.5147

548

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube

2,400 : $0.3801
1,000 : $0.4151
500 : $0.4218
100 : $0.5542
10 : $0.7605
1 : $0.9777

350

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube

2,400 : $0.3694
1,000 : $0.3987
500 : $0.4046
100 : $0.5096
10 : $0.6585
1 : $0.8003

200

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N Tube

4,000 : $0.3
2,000 : $0.3149
1,000 : $0.3342
500 : $0.3887
250 : $0.4245
100 : $0.457
25 : $0.5412
10 : $0.5701
1 : $0.6133

198

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

100 : $0.2491
25 : $0.475
10 : $0.4914
1 : $0.6653

110

onsemi

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube

10 : $0.3418
1 : $0.3576

onsemi

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube

1 : $0.0575

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

1 : $0.2408

DigiKey

Flip Electronics

IC REG CTRLR FLYBACK 8SOIC

2,000 : $0.29

350,500

STMicroelectronics

IC REG CTRLR BOOST/FLYBACK 8SOIC
RoHS : Compliant

25,000 : $0.34666
12,500 : $0.35785
5,000 : $0.37183
2,500 : $0.3914

12,500

STMicroelectronics

IC REG CTRLR BOOST/FLYBACK 8SO
RoHS : Compliant

5,000 : $0.3643
2,500 : $0.38348
1,000 : $0.41087
500 : $0.52044
300 : $0.5889
100 : $0.63
25 : $0.7668
10 : $0.808
1 : $0.9

11,668

onsemi

IC REG CTRLR FLYBACK 14SOIC

25,000 : $0.26025
12,500 : $0.26285
5,000 : $0.27337
2,500 : $0.28388

10,000

UC3843BVDG

Flip Electronics

IC REG CTRLR FLYBACK 14SOIC

2,000 : $0.48

6,825

STMicroelectronics

IC REG CTRLR BOOST/FLYBACK 8SOIC
RoHS : Compliant

1,000 : $0.41935
500 : $0.53118
250 : $0.60108
100 : $0.643
25 : $0.7828
10 : $0.825
1 : $0.92

4,132

UC3843BD1R2

Rochester Electronics LLC

SWITCHING CONTROLLER

1,158 : $0.26

3,285

onsemi

IC REG CTRLR FLYBACK 14SOIC

1,000 : $0.30491
500 : $0.39954
250 : $0.42056
100 : $0.4942
25 : $0.652
10 : $0.694
1 : $0.79

2,465

onsemi

IC REG CTRLR FLYBACK 14SOIC

1,000 : $0.30491
500 : $0.39954
250 : $0.42056
100 : $0.4942
25 : $0.652
10 : $0.694
1 : $0.79

2,390

STMicroelectronics

IC REG CTRLR BST/FLYBK 8-MINIDIP
RoHS : Compliant

5,000 : $0.3643
2,500 : $0.38348
1,000 : $0.41087
500 : $0.52044
250 : $0.58892
100 : $0.63
50 : $0.767
10 : $0.808
1 : $0.9

1,108

onsemi

IC REG CTRLR FLYBACK 8SOIC

1,000 : $0.28441
500 : $0.37266
250 : $0.39228
100 : $0.4609
25 : $0.608
10 : $0.647
1 : $0.74

1,011

UMW

SOP-8 AC-DC CONTROLLERS & REGULA

1,000 : $0.2267
500 : $0.25908
100 : $0.2979
50 : $0.3498
25 : $0.3628
10 : $0.421
1 : $0.55

701

onsemi

IC REG CTRLR FLYBACK 8SOIC

5,096 : $0.25682
2,548 : $0.2667
1,078 : $0.28646
588 : $0.37536
294 : $0.3951
98 : $0.46429
10 : $0.652
1 : $0.74

324

UMW

SOP-8 AC-DC CONTROLLERS & REGULA

1,000 : $0.2267
500 : $0.25908
100 : $0.2979
50 : $0.3498
25 : $0.3628
10 : $0.421
1 : $0.55

UMW

SOP-8 AC-DC CONTROLLERS & REGULA

2,500 : $0.21698

Avnet Americas

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N - Rail/Tube (Alt: UC3843BD1)
RoHS : Compliant

2,000 : $0.32137

4,000

onsemi

Current Mode PWM Controller 1A 14-Pin SOIC T/R - Tape and Reel (Alt: UC3843BVDR2G)
RoHS : Compliant

250,000 : $0.25817
25,000 : $0.2665
20,000 : $0.27482
15,000 : $0.28315
10,000 : $0.29148
5,000 : $0.29981
2,500 : $0.30814

768

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N Rail - Rail/Tube (Alt: UC3843BD1G)
RoHS : Compliant

980 : $0.2621
490 : $0.26993
200 : $0.27775
100 : $0.28558
98 : $0.2934

onsemi

Current Mode PWM Controller 1A 8-Pin PDIP Rail - Rail/Tube (Alt: UC3843BNG)
RoHS : Compliant

17,000 : $0.40254
8,500 : $0.41455
3,500 : $0.42657
1,800 : $0.43858
1,700 : $0.4506

onsemi

Current Mode PWM Controller 1A 8-Pin PDIP Rail - Bulk (Alt: 37X9040)
RoHS : Compliant

1,000 : $0.525
500 : $0.646
100 : $0.756
10 : $1.01
1 : $1.11

UC3843BVDG

onsemi

Current Mode PWM Controller 1A 14-Pin SOIC Rail - Rail/Tube (Alt: UC3843BVDG)
RoHS : Compliant

150,000 : $0.434
72,000 : $0.448
15,000 : $0.462
7,200 : $0.476
2,900 : $0.49
1,500 : $0.504
1,429 : $0.518

E-UC3843BN

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin PDIP - Rail/Tube (Alt: E-UC3843BN)
RoHS : Not Compliant

onsemi

Current Mode PWM Controller 1A 14-Pin SOIC T/R - Tape and Reel (Alt: UC3843BDR2G)
RoHS : Compliant

250,000 : $0.25817
25,000 : $0.2665
20,000 : $0.27482
15,000 : $0.28315
10,000 : $0.29148
5,000 : $0.29981
2,500 : $0.30814

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Tape and Reel (Alt: UC3843BD1R2G)
RoHS : Compliant

240,000 : $0.2604
120,000 : $0.2688
24,000 : $0.2772
12,000 : $0.2856
4,800 : $0.294
2,400 : $0.3024
2,381 : $0.3108

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Tape and Reel (Alt: UC3843BD1R2G)
RoHS : Compliant

20,000 : $0.25165
15,000 : $0.25916
10,000 : $0.26668
5,000 : $0.27419
2,500 : $0.2817

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Tape and Reel (Alt: UC3843BVD1R2G)
RoHS : Compliant

170,000 : $0.372
84,000 : $0.384
17,000 : $0.396
8,400 : $0.408
3,400 : $0.42
1,700 : $0.432
1,667 : $0.444

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Tape and Reel (Alt: UC3843BVD1R2G)
RoHS : Compliant

20,000 : $0.26023
15,000 : $0.268
10,000 : $0.27576
5,000 : $0.28353
2,500 : $0.2913

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: UC3843BD1013TR)
RoHS : Compliant

10,000 : $0.40748
5,000 : $0.41624
2,500 : $0.42501

E-UC3843BD1013TR

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: E-UC3843BD1013TR)
RoHS : Not Compliant

Verical

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail

25,480 : $0.2344
10,192 : $0.2347
2,548 : $0.2397
1,078 : $0.2631
588 : $0.3016
98 : $0.3159
26 : $0.5545

2,646

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

25,000 : $0.3067
12,500 : $0.3098
5,000 : $0.313
2,500 : $0.3161

2,500

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

25,000 : $0.3125
12,500 : $0.3162
5,000 : $0.317
2,500 : $0.3178

2,500

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail

10,192 : $0.2375
2,548 : $0.2379
1,078 : $0.2587
588 : $0.2927
98 : $0.3055
23 : $0.4966

814

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

500 : $0.3376
250 : $0.4275
100 : $0.4411
25 : $0.4752
18 : $0.4906

548

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube

2,400 : $0.3801
1,000 : $0.4151
500 : $0.4218
100 : $0.5542
17 : $0.7605

350

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N Tube

4,000 : $0.3031
2,000 : $0.3181
1,000 : $0.3376
500 : $0.3927
250 : $0.4288
100 : $0.4617
26 : $0.5467

198

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube

2,400 : $0.3732
1,000 : $0.4028
500 : $0.4087
100 : $0.5148
15 : $0.6652

195

onsemi

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

100 : $0.2491
25 : $0.475
24 : $0.4914

110

onsemi

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube

32 : $0.3418

Mouser Electronics

STMicroelectronics

Switching Controllers 0.5mA Current Mode
RoHS : Compliant

1 : $0.65
10 : $0.598
25 : $0.575
100 : $0.508
250 : $0.485
500 : $0.408
2,500 : $0.346

10,095

onsemi

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max
RoHS : Compliant

1 : $0.74
10 : $0.612
98 : $0.356
588 : $0.286
1,078 : $0.265
2,548 : $0.255
10,192 : $0.252
25,480 : $0.25

47,068

STMicroelectronics

Switching Controllers 0.5mA Current Mode
RoHS : Compliant

1 : $0.9
10 : $0.808
25 : $0.766
100 : $0.63
250 : $0.589
500 : $0.52
1,000 : $0.411
2,000 : $0.361
4,000 : $0.348

6,976

STMicroelectronics

Switching Controllers 0.5mA Current Mode
RoHS : Compliant

1 : $0.75
10 : $0.699
25 : $0.668
100 : $0.564
250 : $0.536
500 : $0.485
1,000 : $0.405
2,000 : $0.392
4,000 : $0.372

4,089

onsemi

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max
RoHS : Compliant

1 : $0.69
10 : $0.593
100 : $0.367
500 : $0.342
1,000 : $0.289
2,500 : $0.269

onsemi

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max
RoHS : Compliant

1 : $1.02
10 : $0.877
100 : $0.6
500 : $0.558
1,000 : $0.434
2,400 : $0.43

1,183

onsemi

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Ma
RoHS : Compliant

1 : $0.78
10 : $0.652
100 : $0.421
500 : $0.399
1,000 : $0.304
2,500 : $0.279
10,000 : $0.26
25,000 : $0.258

2,503

onsemi

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Ma
RoHS : Compliant

1 : $0.68
10 : $0.563
100 : $0.346
1,000 : $0.278

onsemi

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Ma
RoHS : Compliant

1 : $0.78
10 : $0.652
100 : $0.421
500 : $0.399
1,000 : $0.304
2,500 : $0.273
10,000 : $0.262
25,000 : $0.258

Bisco Industries

ACTIVE COMPNTS/DIODES

Onlinecomponents.com

STMicroelectronics

RoHS : Compliant

24,000 : $0.4174
8,000 : $0.4438
3,000 : $0.4571
900 : $0.4703
50 : $1.2874

570

Rochester Electronics

Fairchild Semiconductor Corporation

UC3843 Current-Mode PWM Controller
RoHS : Compliant

1,000 : $0.3724
500 : $0.3943
100 : $0.4118
25 : $0.4293
1 : $0.4381

400

onsemi

UC3843 Current-Mode PWM Controller
RoHS : Compliant

1,000 : $0.4497
500 : $0.4762
100 : $0.4974
25 : $0.5185
1 : $0.5291

308

UC3843BD1R2

onsemi

UC3843 Current-Mode PWM Controller
RoHS : Not Compliant

1,000 : $0.2224
500 : $0.2354
100 : $0.2459
25 : $0.2564
1 : $0.2616

3,285

onsemi

UC3843B - Current-Mode PWM Controller
RoHS : Compliant

1,000 : $0.2627
500 : $0.2781
100 : $0.2905
25 : $0.3028
1 : $0.309

10,425

onsemi

UC3843B - Current-Mode PWM Controller
RoHS : Compliant

1,000 : $0.2581
500 : $0.2732
100 : $0.2854
25 : $0.2975
1 : $0.3036

980

onsemi

UC3843 Current-Mode PWM Controller
RoHS : Compliant

1,000 : $0.3724
500 : $0.3943
100 : $0.4118
25 : $0.4293
1 : $0.4381

32,677

UC3843BVD

onsemi

UC3843 Current-Mode PWM Controller
RoHS : Not Compliant

1,000 : $0.261
500 : $0.2764
100 : $0.2887
25 : $0.301
1 : $0.3071

1,218

onsemi

UC3843 Current-Mode PWM Controller
RoHS : Compliant

1,000 : $0.2407
500 : $0.2549
100 : $0.2662
25 : $0.2775
1 : $0.2832

2,490

UC3843BVNG

onsemi

UC3843B - Current-Mode PWM Controller
RoHS : Compliant

1,000 : $0.2809
500 : $0.2975
100 : $0.3107
25 : $0.3239
1 : $0.3305

12,520

TME

onsemi

IC: PMIC; PWM controller; 1A; 48÷500kHz; Ch: 1; SO8; flyback; 0÷96%

980 : $0.331
294 : $0.36
98 : $0.401
10 : $0.442
3 : $0.497

365

STMicroelectronics

IC: PMIC; PWM controller; 1A; 48÷500kHz; Ch: 1; SO8; boost,flyback
RoHS : Compliant

1,000 : $0.32
250 : $0.352
50 : $0.405
10 : $0.438
3 : $0.47

2,389

onsemi

IC: PMIC; PWM controller; 1A; 48÷500kHz; Ch: 1; DIP8; flyback; 0÷96%

1,000 : $0.508
250 : $0.544
50 : $0.602
10 : $0.686
3 : $0.762

onsemi

IC: PMIC; PWM controller; 1A; 48÷500kHz; Ch: 1; SO14; flyback; 0÷96%

500 : $0.359
100 : $0.398
25 : $0.452
5 : $0.5
1 : $0.81

143

onsemi

IC: PMIC; PWM controller; 1A; 48÷500kHz; Ch: 1; SO8; flyback; 0÷96%

500 : $0.343
100 : $0.38
25 : $0.432
5 : $0.479
1 : $0.747

STMicroelectronics

IC: PMIC; PWM controller; 1A; 48÷500kHz; Ch: 1; MiniDIP8; 0÷96%; tube
RoHS : Compliant

1,000 : $0.288
250 : $0.32
50 : $0.356
10 : $0.403
3 : $0.448

1,861

STMicroelectronics

IC: PMIC; PWM controller; 1A; 48÷500kHz; Ch: 1; SO8; boost,flyback
RoHS : Compliant

500 : $0.335
100 : $0.391
25 : $0.435
5 : $0.496
1 : $0.747

4,832

Karl Kruse GmbH & Co KG

HG Semiconductor Limited

10,000

Avnet Asia

onsemi

Current Mode PWM Controller 1A 8-Pin PDIP Rail (Alt: UC3843BNG)
RoHS : Compliant

92,500 : $0.34871
46,250 : $0.35711
18,500 : $0.36593
9,250 : $0.37519
5,550 : $0.38494
3,700 : $0.3952
1,850 : $0.42343

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N Rail (Alt: UC3843BD1G)
RoHS : Compliant

161,700 : $0.21435
80,850 : $0.21952
32,340 : $0.22494
16,170 : $0.23063
9,702 : $0.23359
6,468 : $0.23662
3,234 : $0.23974

onsemi

Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BDR2G)
RoHS : Compliant

10,000 : $0.243
5,000 : $0.2565

UC3843BVD1G

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N Rail (Alt: UC3843BVD1G)
RoHS : Compliant

onsemi

Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BVDR2G)
RoHS : Compliant

250,000 : $0.22518
125,000 : $0.2306
50,000 : $0.2363
25,000 : $0.24228
15,000 : $0.24538
10,000 : $0.24857
5,000 : $0.25184

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BD1R2G)
RoHS : Compliant

250,000 : $0.20624
125,000 : $0.2112
50,000 : $0.21642
25,000 : $0.2219
15,000 : $0.22474
10,000 : $0.22766
5,000 : $0.23066

onsemi

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BVD1R2G)
RoHS : Compliant

250,000 : $0.21176
125,000 : $0.21687
50,000 : $0.22222
25,000 : $0.22785
15,000 : $0.23077
10,000 : $0.23377
5,000 : $0.23684

Flip Electronics

onsemi

Stock, ship today

1 : $0.3

48,495

UC3843BVDG

onsemi

Stock, ship today

1 : $0.35

6,825

onsemi

Stock, ship today

1 : $0.21

350,500

New Advantage Corporation

onsemi

PDIP 8/C�/HIGH PERFORMANCE CURRENT MODE CONTROLLER
RoHS : Compliant

400 : $0.5839
1,350 : $0.5433

1,350

onsemi

SOIC 8/C�/HIGH PERFORMANCE CURRENT MODE CONTROLLER
RoHS : Compliant

588 : $0.3805
1,779 : $0.3541

1,779