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MOC3021

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Parameters

Technical/Catalog InformationMOC3021
VendorLite-On Inc
CategoryIsolators
Mounting TypeThrough Hole
Package / Case6-DIP
Isolation Voltage5000Vrms
Number of Circuits1 - Single
Output TypeAC, Triac, Standard
Current - Output/Channel-
Peak Off State Voltage (VDRM)400V
PackagingTube
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names MOC3021
MOC3021
160 1374 5 ND
16013745ND
160-1374-5

Product Manufacturers Pack D/C
MOC3021 - DIP 06+

Pinout/Connection Diagram

/uploadfile/ic-mfg/259/b2212c6d-6462-4bd1-95b9-4880d42a9543.gif moc3021 Circuit
One of the control circuit's triacs selects the tap on main transformer T1, which provides the proper, preregulated voltage to the secondary regulator. T2 and its associated components comprise the second-ary regulator.

The ADO 0804, IC1, digitizes a voltage-feedback signal from the secondary regulator's output. The MC1415 demultiplexer, IC2, decodes the digitizer's output. IC2, in turn, drives T1's optoisolated triacs via the 74LS240 driver chip, IC3, and associated optoisolators.

Transformer T3 samples the circuit's current output. The auxiliary, 12 V winding on T1 ensures no-load starting. The combination of op amp IC5 and the inverting transistor, Q1, square this current signal. The output of Q1 is the CLK signal, which triggers one-half of the one shot, IC4A, to begin the circuit's A/D conversion. The one shots' periods are set to time out within 1/2 cycle of the ac input.

Upon completion of its A/D conversion, IC1's INTR output triggers the other half of the one shot, IC4B, which enables the converter's data outputs. The rising edge of the CLK signal resets the one shot and latches the new conversion value into IC2. The latch, associated driver, and optoisolator trigger a selected triac according to the latest value of the voltage-feedback signal, VO.

General Description

The MOC3020 Series consists of gallium arsenide infrared emitting diodes, optically coupled to a silicon bilateral switch.
• To order devices that are tested and marked per VDE 0884 requirements, the suffix "V" must be included at end of part number. VDE 0884 is a test option. They are designed for applications requiring isolated triac triggering.

Typical Application

• Solenoid/Valve Controls• Lamp Ballasts• Interfacing Microprocessors to 115 Vac Peripherals• Motor Controls• Static ac Power Switch• Solid State Relays• Incandescent Lamp Dimmers

Maximum Ratings

Rating
Symbol
Value
Unit
INFRARED EMITTING DIODE
Reverse Voltage
VR
3
Volts
Forward Current - Continuous
IF
60
mA
Total Power Dissipation @ TA = 25°C
Negligible Power in Transistor
Derate above 25°C
PD
100
1.33
mW
mW/
OUTPUT DRIVER
OffState Output Terminal Voltage
VDRM
400
Volts
Peak Repetitive Surge Current
(PW = 1 ms, 120 pps)
ITSM
1
A
Total Power Dissipation @ TA = 25°C
Derate above 25°C
PD
300
4
mW
mW/
TOTAL DEVICE
Isolation Surge Voltage(1)
(Peak ac Voltage, 60 Hz, 1 Second Duration)
VISO
7500
Vac(pk)
Total Power Dissipation @ TA = 25°C
Derate above 25°C
PD

Supplier

Select all
  Part Number Mfg Pack D/C Qty Note
MOC3021 FSC SOP 819+ 3000 new part
  LATTICE INTERNATIONAL TRADING CO,.LTD China (Mainland)
Contact: Mr. Chan   MSN:lattice-ic@hotmail.com Tel: 86-755-83237896 Fax: 86-755-61309212
MOC3021 MOT 6080 Professional IC Supplier in China
  RANTLE EAST ELECTRONIC TRADING CO China (Mainland)
Contact: Ms. Jessica Wong   MSN:rantle-east@hotmail.com Tel: 86-754-84475086 Fax: 86-754-84471197
MOC3021 MOT DIP N/A 2000
  JY(HK)ELECTRONICS CO.,LTD Hong Kong
Contact: Ms. Claire Huang   MSN:claire-jy@hotmail.com Tel: 86-755-82887756 Fax: 86-755-82886700
MOC3021 FAIRCHIL SOP 07+ 200
  Mingar Electronic (HK) Limited China (Mainland)
Contact: Ms. Kaisy   MSN:mingar.hk@gmail.com Tel: 86-755-82767182 Fax: 86-755-82767423
MOC3021 FSC DIP 09+ 100
  HK MEIHANG TECHNOLOGY CO.,LTD China (Mainland)
Contact: Ms. Ruby   MSN:sales2@tbf.hk Tel: 86-755-83752779 Fax: 86-755-83752881
MOC3021 DIP 99 385 Real Stock . We are STRC member.
  Win Source Electronic Technology Limited Hong Kong
Contact: Ms. Amanda   MSN:winsource3@hotmail.com Tel: 86-755-83566469 Fax: 86-755-83957728
MOC3021 MOT DIP 03+ 48 NEW IN STOCK
  HY (HK) IC LIMITED China (Mainland)
Contact: Ms. Julie Chen   MSN:julie_ic@hotmail.com Tel: 86-755-82535765 Fax: 86-755-82535755
MOC3021 FSC DIP 02+ 759
  Rong Chuang Xin (HK) Co.,Ltd. China (Mainland)
Contact: Mr. Michelle   MSN:michelle__2011@hotmail.com Tel: 86-755-83041462 Fax: 86-755-82501483
MOC3021 FSC SOP 10+ 5823
  Goldenway Electronic Limited Company Hong Kong
Contact: Ms. sarah   Tel: 0086-755-82535329 Fax: 0086-755-
MOC3021 DIPSOP 2011+ FSC 55300 stock
  HK Chuanghua Electronic Company Hong Kong
Contact: Ms. Nice Lu   MSN:nice19881@live.cn Tel: 00852-97966836-86-0755-83423012 Fax: 00852-97966836-86-15017966836
MOC3021 MOT/QTC DIP * 3000 Scattered new
  HONGKONG BOXIANG TECHNOLOGY CO.,LIMITED China (Mainland)
Contact: Mr. chen   MSN:mars_chen16913@hotmail.com Tel: 86-755-82522455 Fax: 86-755-83511618
MOC3021 QTC DIP 01+ 1040 0
  Yike Electronics (HK) Co.,Ltd China (Mainland)
Contact: Mr. Zhao   MSN:zhaojunjack@hotmail.com Tel: 86--15017908912 Fax: 86-755-82533178
MOC3021 FSC DIP 08+ 500 NEW AND UNUSED I NORIGINAL PACKAGE
  BINYUAN TECHNOLOGY(HK)CO.LTD China (Mainland)
Contact: Ms. helen   MSN:hkbinyuan@hotmail.com Tel: 86-755-83228327 Fax: 86-755-83205055
MOC3021 3205 RFQ,CALL FOR PRICE
  Grand Parts Electronics Corporation China (Mainland)
Contact: Ms. Anna   Tel: 86-755-8281-4478 Fax: 86-755-8281-4458
MOC3021 FAIRCHILD DIP 10+ 12000 HOT & New and Origina
  HHS Technology Co.,Ltd China (Mainland)
Contact: Ms. Jane Zhang   MSN:cheerjane@hotmail.com Tel: 86-755-83970132 Fax: 86-755-83953764
MOC3021 FAIRCHILD DIP 02+ 20
  Hong Kong Ssit Electronics Co., Limited China (Mainland)
Contact: Mr. Lian   MSN:sales@ssit-ic.com Tel: +86-755-89335285 Fax: +86-755-89579939
MOC3021 58806 DIP8
  BST INT'L ELECTRONIC(HK) CO., LIMITED Hong Kong
Contact: Ms. Tina   MSN:tina-bst@live.cn Tel: 00-852-30504229 Fax: 00-852-30691955
MOC3021 F DIP 06+ 480 instock,original,good price,
  Big Seashell Electronic Co. China (Mainland)
Contact: Mr. Jayco   MSN:jayco.bigseashell@hotmail.com Tel: +86-189-2479-1245 Fax: +86-755-8253-6827
MOC3021 DIP 08+ 54675
  E-Sailing Electronic Tech Co.,Ltd. China (Mainland)
Contact: Ms. Lee   MSN:e-sailing@hotmail.com Tel: 86-755-83669519 Fax: 86-755-83669519
MOC3021 334
  ACEON INTERNATIONAL (HK) ELECTRONICS CO.,LTD Hong Kong
Contact: Ms. jane   MSN:jane.aceon@hotmail.com Tel: 00-852-30508312 Fax: 00-852-27810061
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PDF / Datasheet

MOC3021 PDF Download

MOC3021

File Size: 114363 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]

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