Datasheets
3N243 by:

Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC, TO-72, 4 PIN

Part Details for 3N243 by TT Electronics OPTEK Technology

Overview of 3N243 by TT Electronics OPTEK Technology

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Space Technology Environmental Monitoring Internet of Things (IoT) Industrial Automation Smart Cities Agriculture Technology Virtual Reality (VR), Augmented Reality (AR), and Vision Systems Medical Imaging Automotive Consumer Electronics Security and Surveillance Audio and Video Systems Aerospace and Defense Healthcare Renewable Energy Robotics and Drones

Price & Stock for 3N243

Part # Distributor Description Stock Price Buy
DISTI # 01C3714
Newark Npn-Output Dc-Input Optocoupler,1-Channel,1Kv Isolation, to-72 Rohs Compliant: Yes |Tt Electronics/optek Technology 3N243 Min Qty: 100 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 100 $19.3700
  • 250 $18.8100
$18.8100 / $19.3700 Buy Now
DISTI # 3N243-ND
DigiKey OPTOISOLATOR 1KV TRANS TO72-4 Min Qty: 100 Lead time: 24 Weeks Container: Bulk Temporarily Out of Stock
  • 100 $21.2301
$21.2301 Buy Now
DISTI # 70050390
RS Optoisolater, Analog, TO-72, Transistor | Optek (TT Electronics) 3N243 RoHS: Not Compliant Min Qty: 100 Package Multiple: 1 Container: Bulk 0
  • 100 $22.0400
  • 500 $20.9400
  • 1,000 $19.8400
  • 2,000 $18.7400
$18.7400 / $22.0400 RFQ
Future Electronics   RoHS: Exempt pbFree: No Min Qty: 100 Package Multiple: 100 0
  • 100 $24.3200
$24.3200 Buy Now
Onlinecomponents.com   0
  • 100 $37.9300
  • 200 $23.3400
  • 400 $18.4800
  • 800 $18.1100
$18.1100 / $37.9300 Buy Now
DISTI # 000000000003458361
Sager Transistor Output Optocouplers Isolator Min Qty: 100 0
  • 100 $22.4500
$22.4500 Buy Now

Part Details for 3N243

3N243 CAD Models

3N243 Part Data Attributes:

3N243 TT Electronics OPTEK Technology
Buy Now Datasheet
Compare Parts:
3N243 TT Electronics OPTEK Technology Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC, TO-72, 4 PIN
Pbfree Code Yes
Rohs Code No
Part Life Cycle Code Transferred
Ihs Manufacturer OPTEK TECHNOLOGY INC
Package Description HERMETIC, TO-72, 4 PIN
Reach Compliance Code compliant
ECCN Code 3A001.A.2.C
HTS Code 8541.40.80.00
Samacsys Manufacturer TT Electronics
Additional Feature HIGH RELIABILITY
Coll-Emtr Bkdn Voltage-Min 30 V
Configuration SINGLE
Current Transfer Ratio-Min 15%
Current Transfer Ratio-Nom 15%
Dark Current-Max 100 nA
Forward Current-Max 0.04 A
Forward Voltage-Max 1.3 V
Isolation Voltage-Max 1000 V
JESD-609 Code e0
Mounting Feature THROUGH HOLE MOUNT
Number of Elements 1
On-State Current-Max 0.03 A
Operating Temperature-Max 125 °C
Operating Temperature-Min -55 °C
Optoelectronic Device Type TRANSISTOR OUTPUT OPTOCOUPLER
Power Dissipation-Max 0.2 W
Response Time-Max 0.00001 s
Surface Mount NO
Terminal Finish Tin/Lead (Sn/Pb)

Alternate Parts for 3N243

This table gives cross-reference parts and alternative options found for 3N243. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 3N243, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
3N243TX Transistor Output Optocoupler, TT Electronics Resistors 3N243 vs 3N243TX
Part Number Description Manufacturer Compare
MCT4R Transistor Output Optocoupler Skyworks Solutions Inc 3N243 vs MCT4R
3N244 Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC, TO-72, 4 PIN TT Electronics Resistors 3N243 vs 3N244
MCT4R Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC, TO-18, 4 PIN Fairchild Semiconductor Corporation 3N243 vs MCT4R
66015-101 Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC SEALED, TO-18, 4 PIN Micropac Industries Inc 3N243 vs 66015-101
MCT4 Transistor Output Optocoupler Skyworks Solutions Inc 3N243 vs MCT4
66015-003 Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC SEALED, TO-18, 4 PIN Micropac Industries Inc 3N243 vs 66015-003
3N245TX Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC SEALED, TO-72, 4 PIN TT Electronics OPTEK Technology 3N243 vs 3N245TX
3N244TX Transistor Output Optocoupler, 1-Element, 1000V Isolation, HERMETIC SEALED, TO-72, 4 PIN TT Electronics OPTEK Technology 3N243 vs 3N244TX
3N245TX Transistor Output Optocoupler, TT Electronics Resistors 3N243 vs 3N245TX
MCT4 Transistor Output Optocoupler, 1-Element, 1000V Isolation, TO-18, 4 PIN Quality Technologies Corp 3N243 vs MCT4

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