UC3843BN

UC3843BN
Mfr. #:
UC3843BN
Manufacturer:
STMicroelectronics
Description:
Switching Controllers 0.5mA Current Mode
Lifecycle:
New from this manufacturer.
Datasheet:
UC3843BN Datasheet
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union
HTML Datasheet:
UC3843BN DatasheetUC3843BN Datasheet (P4-P6)UC3843BN Datasheet (P7-P9)UC3843BN Datasheet (P10-P12)UC3843BN Datasheet (P13-P15)
ECAD Model:
More Information:
UC3843BN more Information UC3843BN Product Details
Product Attribute
Attribute Value
Manufacturer:
STMicroelectronics
Product Category:
Switching Controllers
RoHS:
Y
Topology:
Boost, Flyback, Forward
Number of Outputs:
1 Output
Switching Frequency:
500 kHz
Duty Cycle - Max:
100 %
Output Voltage:
4.90 V to 5.10 V
Output Current:
1000 mA
Minimum Operating Temperature:
- 40 C
Maximum Operating Temperature:
+ 150 C
Mounting Style:
Through Hole
Package / Case:
PDIP-8
Packaging:
Tube
Series:
UC3843B
Type:
Current Mode PWM Controllers
Brand:
STMicroelectronics
Fall Time:
50 ns
Operating Supply Voltage:
30 V
Product Type:
Switching Controllers
Rise Time:
50 ns
Factory Pack Quantity:
2000
Subcategory:
PMIC - Power Management ICs
Unit Weight:
0.032805 oz
Tags
UC3843BN, UC3843B, UC3843, UC384, UC38, UC3
Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Our experienced sales team and tech support team back our services to satisfy all our customers.

we buy and manage excess electronic components, including excess inventory identified for disposal.
Email us if you have excess stock to sell.

Email: info@omo-ic.com

Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
    G***r
    G***r
    RU

    In the kit for assembly there are not enough four nuts. In principle, they are not in the photo, but they do not collect without them.

    2019-05-23
    J***m
    J***m
    NL

    never received, refunded. thanks

    2019-05-25
***ure Electronics
UC3843B Series 30 V 17 mA High Performance Current Mode PWM Controller - DIP-8
***ical
Current Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube
***i-Key
IC REG CTRLR BST/FLYBK 8-MINIDIP
***ukat
Current-PWM 1A 8,2-30V 500kHz DIP8
***nell
PWM CONT, CURRENT MODE, 500KHZ, MINIDIP
***ser
PWM Pulse Width Modulator Controllers 0.5mA Current Mode
Part # Mfg. Description Stock Price
UC3843BN
DISTI # V99:2348_17627888
STMicroelectronicsCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
RoHS: Compliant
5418
  • 1000:$0.2854
  • 500:$0.3670
  • 100:$0.3770
  • 10:$0.5270
  • 1:$0.6062
UC3843BNG
DISTI # V99:2348_07296241
ON SemiconductorCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
RoHS: Compliant
2380
  • 2500:$0.1514
  • 1000:$0.2133
  • 100:$0.2776
  • 10:$0.3981
  • 1:$0.4559
UC3843BNG
DISTI # V36:1790_07296241
ON SemiconductorCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
RoHS: Compliant
874
  • 2500:$0.1514
  • 1000:$0.2133
  • 100:$0.2776
  • 10:$0.3981
  • 1:$0.4559
UC3843BNG
DISTI # UC3843BNGOS-ND
ON SemiconductorIC REG CTRLR FLYBACK 8DIP
RoHS: Compliant
Min Qty: 1
Container: Tube
3428In Stock
  • 1000:$0.2694
  • 500:$0.3422
  • 100:$0.4295
  • 50:$0.5314
  • 1:$0.6600
UC3843BN
DISTI # 497-6786-5-ND
STMicroelectronicsIC REG CTRLR BST/FLYBK 8-MINIDIP
RoHS: Compliant
Min Qty: 1
Container: Tube
3094In Stock
  • 1000:$0.3360
  • 500:$0.4200
  • 100:$0.5313
  • 50:$0.6510
  • 1:$0.7900
UC3843BN
DISTI # UC3843BNOS-ND
ON SemiconductorIC REG CTRLR FLYBACK 8DIP
RoHS: Not compliant
Min Qty: 450
Container: Tube
Limited Supply - Call
    E-UC3843BN
    DISTI # E-UC3843BN-ND
    STMicroelectronicsIC REG CTRLR BST/FLYBK 8-MINIDIP
    RoHS: Compliant
    Min Qty: 2000
    Container: Tube
    Limited Supply - Call
      UC3843BN
      DISTI # 25948395
      STMicroelectronicsCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
      RoHS: Compliant
      5418
      • 1000:$0.2824
      • 500:$0.3661
      • 100:$0.3760
      • 24:$0.5244
      UC3843BN
      DISTI # 30596865
      STMicroelectronicsCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
      RoHS: Compliant
      3940
      • 500:$0.4309
      • 200:$0.4616
      • 100:$0.5215
      • 50:$0.6120
      • 34:$0.7701
      UC3843BNG
      DISTI # 30568732
      ON SemiconductorCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
      RoHS: Compliant
      2380
      • 1000:$0.2133
      • 100:$0.2776
      • 36:$0.3981
      UC3843BNG
      DISTI # 30734320
      ON SemiconductorCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
      RoHS: Compliant
      1500
      • 4000:$0.1593
      • 2000:$0.1613
      • 1000:$0.1643
      • 500:$0.1674
      • 100:$0.1996
      UC3843BN
      DISTI # 23020642
      STMicroelectronicsCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
      RoHS: Compliant
      1160
      • 2000:$0.2722
      • 1000:$0.2772
      • 500:$0.2822
      • 250:$0.2873
      • 58:$0.3427
      UC3843BNG
      DISTI # 29443048
      ON SemiconductorCurrent Mode PWM Controller 1A 8-Pin PDIP Tube
      RoHS: Compliant
      874
      • 100:$0.2776
      • 39:$0.3981
      UC3843BN
      DISTI # UC3843BN
      STMicroelectronicsCurrent Mode PWM Controller 1A 8-Pin PDIP - Rail/Tube (Alt: UC3843BN)
      RoHS: Compliant
      Min Qty: 1
      Container: Tube
      Americas - 670
      • 1:$0.4719
      • 10:$0.4279
      • 25:$0.4259
      • 50:$0.4249
      • 100:$0.3299
      • 500:$0.3219
      • 1000:$0.2649
      UC3843BN
      DISTI # UC3843BN
      STMicroelectronicsCurrent Mode PWM Controller 1A 8-Pin PDIP (Alt: UC3843BN)
      RoHS: Compliant
      Min Qty: 6000
      Asia - 12000
      • 2000:$0.2840
      • 4000:$0.2705
      • 6000:$0.2582
      • 10000:$0.2470
      • 20000:$0.2367
      • 50000:$0.2303
      • 100000:$0.2242
      UC3843BNG
      DISTI # UC3843BNG
      ON SemiconductorCurrent Mode PWM Controller 1A 8-Pin PDIP Rail (Alt: UC3843BNG)
      RoHS: Compliant
      Min Qty: 2400
      Asia - 4000
      • 50:$1.2492
      • 100:$0.2402
      • 150:$0.2313
      • 250:$0.2231
      • 500:$0.2154
      • 1250:$0.2082
      • 2500:$0.2048
      UC3843BNG
      DISTI # UC3843BNG
      ON SemiconductorCurrent Mode PWM Controller 1A 8-Pin PDIP Rail - Rail/Tube (Alt: UC3843BNG)
      RoHS: Compliant
      Min Qty: 2400
      Container: Tube
      Americas - 0
      • 2400:$0.1729
      • 2500:$0.1719
      • 4900:$0.1699
      • 12000:$0.1679
      • 24000:$0.1639
      E-UC3843BN
      DISTI # E-UC3843BN
      STMicroelectronicsCurrent Mode PWM Controller 1A 8-Pin PDIP - Rail/Tube (Alt: E-UC3843BN)
      RoHS: Compliant
      Min Qty: 2000
      Container: Tube
      Americas - 0
        E-UC3843BN
        DISTI # 25M9050
        STMicroelectronicsIC, PWM CONTROLLER, 3843, DIP8,Input Voltage:15V,Output Voltage:13.5V,Output Current:200mA,Supply Voltage Min:12V,Supply Voltage Max:25V,Controller IC Case Style:DIP,No. of Pins:8Pins,Frequency:250kHz,Operating Temperature , RoHS Compliant: Yes325
        • 1:$0.9200
        • 10:$0.7980
        • 100:$0.6290
        • 500:$0.5630
        • 1000:$0.4980
        • 2500:$0.4170
        • 10000:$0.4060
        UC3843BNG
        DISTI # 37X9040
        ON SemiconductorPWM CTRL, CURRENT MODE, 30V, 1A, DIP-8,Input Voltage:-,Output Voltage:13.5V,Output Current:1A,Supply Voltage Min:12V,Supply Voltage Max:30V,Controller IC Case Style:DIP,No. of Pins:8Pins,Frequency:52kHz,Operating Temperature, RoHS Compliant: Yes1470
        • 1:$0.6860
        • 10:$0.5660
        • 100:$0.3510
        • 500:$0.3140
        • 1000:$0.2750
        • 2500:$0.2370
        • 10000:$0.2210
        UC3843BN.
        DISTI # 15AC5104
        STMicroelectronicsInput Voltage:15V,Output Voltage:5.05V,Output Current:200mA,Supply Voltage Min:12V,Supply Voltage Max:25V,Controller IC Case Style:SOIC,No. of Pins:8Pins,Frequency:250kHz,Operating Temperature Min:-25°C,Product Range:- , RoHS Compliant: Yes670
        • 1:$0.7900
        • 10:$0.6510
        • 100:$0.4810
        • 500:$0.4760
        • 1000:$0.4700
        • 5000:$0.4640
        • 10000:$0.4590
        UC3843BNG.
        DISTI # 28AC5402
        ON SemiconductorANA SMPS PWM CONTROLLER , ROHS COMPLIANT: YES0
        • 1:$0.1730
        • 2500:$0.1720
        • 4900:$0.1700
        • 12000:$0.1680
        • 24000:$0.1640
        UC3843BNG
        DISTI # 70371519
        ON SemiconductorUC3843BNG,PWM Current Mode Controller,1 A,500 kHz 8-Pin PDIP
        RoHS: Compliant
        0
        • 10:$0.7430
        • 50:$0.7360
        • 100:$0.7280
        • 250:$0.7210
        UC3843BNSTMicroelectronicsUC3843B Series 30 V 17 mA High Performance Current Mode PWM Controller - DIP-8
        RoHS: Compliant
        439Tube
        • 50:$0.3600
        • 250:$0.2900
        • 500:$0.2850
        • 1000:$0.2750
        • 2000:$0.2700
        UC3843BNGON SemiconductorUC3843B Series 30 V 275 kHz High Performance Current Mode Controller - PDIP-8
        RoHS: Compliant
        3120Tube
        • 100:$0.3050
        • 500:$0.1890
        • 1000:$0.1790
        • 2000:$0.1690
        • 4000:$0.1610
        UC3843BNGON Semiconductor 
        RoHS: Not Compliant
        168813
        • 1000:$0.3200
        • 500:$0.3400
        • 100:$0.3600
        • 25:$0.3700
        • 1:$0.4000
        UC3843BNGFairchild Semiconductor Corporation 
        RoHS: Not Compliant
        2400
        • 1000:$0.3200
        • 500:$0.3400
        • 100:$0.3600
        • 25:$0.3700
        • 1:$0.4000
        UC3843BN
        DISTI # 511-UC3843BN
        STMicroelectronicsSwitching Controllers 0.5mA Current Mode
        RoHS: Compliant
        4693
        • 1:$0.7900
        • 10:$0.6510
        • 100:$0.4200
        • 1000:$0.3360
        • 2500:$0.2840
        • 10000:$0.2740
        • 25000:$0.2630
        UC3843BNG
        DISTI # 863-UC3843BNG
        ON SemiconductorSwitching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max
        RoHS: Compliant
        1967
        • 1:$0.6400
        • 10:$0.5260
        • 100:$0.3210
        • 1000:$0.2480
        • 2500:$0.2120
        • 10000:$0.1970
        • 25000:$0.1870
        UC3843BN
        DISTI # 863-UC3843BN
        ON SemiconductorSwitching Controllers 52kHz 1A Current PWM
        RoHS: Not compliant
        0
          E-UC3843BN
          DISTI # 511-E-UC3843BN
          STMicroelectronicsSwitching Controllers 0.5mA Current Mode
          RoHS: Compliant
          0
            UC3843BNACTIVE COMPNTS/DIODES 67
              UC3843BNGON Semiconductor 50
              • 8:$0.6750
              • 31:$0.4388
              UC3843BN
              DISTI # 6865024
              STMicroelectronicsCURRENT MODE PWM CONTROLLER 1A, PK870
              • 10:£0.5050
              • 20:£0.4160
              • 50:£0.3600
              • 100:£0.3040
              • 200:£0.2920
              UC3843BNG
              DISTI # 1452786
              ON SemiconductorCURRENT MODE PWM CONTROLLER UC3843BN 5V, TU500
              • 50:£0.2620
              • 250:£0.2230
              • 1000:£0.1970
              • 2500:£0.1700
              UC3843BNG
              DISTI # 5165152
              ON SemiconductorCURRENT MODE PWM CONTROLLER UC3843BN 5V, EA1207
              • 1:£2.0000
              • 30:£0.3500
              • 60:£0.2600
              UC3843BNMotorola Semiconductor ProductsSwithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, DIP27
              • 8:$0.6000
              • 1:$0.7500
              UC3843BNSTMicroelectronicsSwithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, DIP40
              • 17:$0.9300
              • 4:$1.2400
              • 1:$1.5500
              UC3843BNMotorola Semiconductor ProductsSwithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, DIP28
              • 17:$0.9300
              • 4:$1.2400
              • 1:$1.5500
              UC3843BNS-THOMSONSwithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, DIP123
              • 64:$0.5700
              • 14:$0.9500
              • 1:$1.9000
              UC3843BNGON Semiconductor1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP840
              • 29:$0.4500
              • 7:$0.7200
              • 1:$0.9000
              UC3843BNSTMicroelectronics 
              RoHS: Not Compliant
              Europe - 400
                UC3843BNMotorola Semiconductor ProductsINSTOCK1661
                  UC3843BNSTMicroelectronicsINSTOCK439
                    UC3843BNGON SemiconductorINSTOCK15377
                      UC3843BN
                      DISTI # C1S730200411596
                      STMicroelectronicsCurrent Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube
                      RoHS: Compliant
                      3940
                      • 1000:$0.3210
                      • 500:$0.3380
                      • 200:$0.3620
                      • 100:$0.4090
                      • 50:$0.4800
                      • 10:$0.6040
                      UC3843BNG
                      DISTI # C1S541901651471
                      ON SemiconductorDC to DC Converter and Switching Regulator Chip
                      RoHS: Compliant
                      2380
                      • 1000:$0.2133
                      • 100:$0.2776
                      • 10:$0.3981
                      UC3843BNG
                      DISTI # C1S541900362987
                      ON SemiconductorCurrent Mode PWM Controller 1A 500kHz 8-Pin PDIP Tube
                      RoHS: Compliant
                      874
                      • 100:$0.2776
                      • 10:$0.3981
                      UC3843BN
                      DISTI # 2849824
                      STMicroelectronicsPWM CONT, CURRENT MODE, 500KHZ, MINIDIP
                      RoHS: Compliant
                      1450
                      • 1:£0.4240
                      • 50:£0.3670
                      • 100:£0.2980
                      • 250:£0.2850
                      • 500:£0.2720
                      E-UC3843BN
                      DISTI # 9882847
                      STMicroelectronicsIC, PWM CONTROLLER, 3843, DIP8
                      RoHS: Compliant
                      457
                      • 1:£0.3400
                      • 50:£0.3330
                      • 100:£0.3260
                      • 250:£0.3200
                      • 500:£0.3130
                      UC3843BNG
                      DISTI # 2382335
                      ON SemiconductorPWM CTRL, CURRENT MODE, 30V, 1A, DIP-8
                      RoHS: Compliant
                      2455
                      • 1:£0.4650
                      • 50:£0.4060
                      • 100:£0.2480
                      • 250:£0.2290
                      • 500:£0.2110
                      UC3843BN
                      DISTI # 2849824
                      STMicroelectronicsPWM CONT, CURRENT MODE, 500KHZ, MINIDIP
                      RoHS: Compliant
                      1450
                      • 1:$1.2500
                      • 50:$1.0400
                      • 100:$0.8410
                      • 500:$0.6650
                      • 1000:$0.5320
                      E-UC3843BN
                      DISTI # 9882847
                      STMicroelectronicsIC, PWM CONTROLLER, 3843, DIP8
                      RoHS: Compliant
                      424
                      • 1:$1.4700
                      • 10:$1.2600
                      • 25:$0.9540
                      • 100:$0.8020
                      • 250:$0.6920
                      • 500:$0.6660
                      • 1000:$0.6420
                      • 2500:$0.6190
                      UC3843BNG
                      DISTI # 2382335
                      ON SemiconductorPWM CTRL, CURRENT MODE, 30V, 1A, DIP-8
                      RoHS: Compliant
                      1537
                      • 1:$1.0100
                      • 50:$0.8070
                      • 100:$0.6460
                      • 500:$0.5070
                      • 1000:$0.3920
                      Image Part # Description
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                      Mfr.#: PN2222A

                      OMO.#: OMO-PN2222A

                      Bipolar Transistors - BJT NPN Gen Pur SW
                      BYV26C-TAP

                      Mfr.#: BYV26C-TAP

                      OMO.#: OMO-BYV26C-TAP

                      Rectifiers 1 Amp 600 Volt 30 Amp IFSM
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                      Transistor Output Optocouplers HCEV, 100%, 5KV
                      UC3843BD1

                      Mfr.#: UC3843BD1

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                      Switching Controllers 0.5mA Current Mode
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                      Mfr.#: UC3844BN

                      OMO.#: OMO-UC3844BN

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                      Mfr.#: UC3842BN

                      OMO.#: OMO-UC3842BN

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                      Mfr.#: UC3845BN

                      OMO.#: OMO-UC3845BN

                      Switching Controllers 0.5mA Current Mode
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                      Aluminum Electrolytic Capacitors - Radial Leaded 470UF 25V
                      BYV26C-TAP

                      Mfr.#: BYV26C-TAP

                      OMO.#: OMO-BYV26C-TAP-VISHAY

                      Rectifiers 1 Amp 600 Volt 30 Amp IFSM
                      D103M43Z5UL63L6R

                      Mfr.#: D103M43Z5UL63L6R

                      OMO.#: OMO-D103M43Z5UL63L6R-VISHAY

                      Ceramic Disc Capacitors .25LS .01UF 500VDC 20%
                      Availability
                      Stock:
                      Available
                      On Order:
                      1987
                      Enter Quantity:
                      Current price of UC3843BN is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@omo-ic.com
                      Reference price (USD)
                      Quantity
                      Unit Price
                      Ext. Price
                      1
                      $0.79
                      $0.79
                      10
                      $0.65
                      $6.51
                      100
                      $0.42
                      $42.00
                      1000
                      $0.34
                      $336.00
                      2500
                      $0.28
                      $710.00
                      10000
                      $0.27
                      $2 740.00
                      25000
                      $0.26
                      $6 575.00
                      Due to semiconductor in short supply from 2021,below price is the Normal price before 2021.please send inquire to confirm.
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