- Sierra IC Inc. will be closed for the holiday season from December 20, 2025 through January 4, 2026, and will resume normal business operations on January 5, 2026.

Home » Buy Online » Parts

4N4 Inventory Results

	Part Number	Manufacturer	Quantity	Price	Availability	Order
Datasheet Cross Reference RoHS Compliant Non-RoHS-Compliant
Select 4N40	4N40	Fairchild Semiconductor	702	Requires Quote	Available	Quantity for 4N40
	PHOTO SCR OPTOCOUPLERS RoHS Compliant
Select 4N40300	4N40300	Fairchild Optoelectronics Group	Requires Quote	Requires Quote	Available	Quantity for 4N40300
	OPTOCOUPLER SCR-OUT VDE 6 PIN DIP RoHS Compliant
Select 4N40300W	4N40300W	Fairchild Optoelectronics Group	Requires Quote	Requires Quote	Available	Quantity for 4N40300W
	OPTOCOUPLER SCR-OUT VDE 6 PIN DIP RoHS Compliant
Select 4N403S	4N403S	Fairchild Optoelectronics Group	Requires Quote	Requires Quote	Available	Quantity for 4N403S
	OPTOCOUPLER SCR-OUT VDE 6-SMD RoHS Compliant
Select 4N403SD	4N403SD	Fairchild Optoelectronics Group	Requires Quote	Requires Quote	Available	Quantity for 4N403SD
	OPTOCOUPLER SCR-OUT VDE 6-SMD TR RoHS Compliant
Select 4N40S	4N40S	Fairchild Optoelectronics Group	36	Requires Quote	Available	Quantity for 4N40S
	OPTOCOUPLER SCR-OUT 6-SMD RoHS Compliant
Select 4N40SD	4N40SD	Fairchild Optoelectronics Group	134	Requires Quote	Available	Quantity for 4N40SD
	OPTOCOUPLER SCR-OUT 6-SMD TR RoHS Compliant
Select 4N40W	4N40W	Fairchild Optoelectronics Group	Requires Quote	Requires Quote	Available	Quantity for 4N40W
	OPTOCOUPLER SCR-OUT WIDE 6 PIN DIP RoHS Compliant
Select 4N45	4N45	Optek Technology	18266	Requires Quote	Available	Quantity for 4N45
	Low input current, high gain optically coupled isolator. RoHS Compliant
Select 4N45-000E	4N45-000E	AVAGO / AGILENT TECHNOLOGIES	2336	Requires Quote	Available	Quantity for 4N45-000E
	PHOTODARLINGTON COUPLER LF RoHS Compliant
Select 4N45-060	4N45-060	AVAGO / AGILENT TECHNOLOGIES	2806	Requires Quote	Available	Quantity for 4N45-060
	PHOTODARLINGTON COUPLER VDE
Select 4N45-060E	4N45-060E	AVAGO TECHNOLOGIES	1707	Requires Quote	Available	Quantity for 4N45-060E
	PHOTODARLINGTON COUPLER,IEC+LF RoHS Compliant
Select 4N45#300	4N45#300	AVAGO TECHNOLOGIES	1562	Requires Quote	Available	Quantity for 4N45#300
	Optocoupl DC-IN 1-CH DARL W/Base DC-OUT 6-Pin PDIP SMD Tube
Select 4N45-300E	4N45-300E	AVAGO TECHNOLOGIES	2529	Requires Quote	Available	Quantity for 4N45-300E
	PHOTODARLINGTON COUPLER,SMD+LF RoHS Compliant
Select 4N45#500	4N45#500	AVAGO TECHNOLOGIES	1438	Requires Quote	Available	Quantity for 4N45#500
	Optocoupl DC-IN 1-CH DARL W/Base DC-OUT 8-Pin PDIP T/R
Select 4N45-500E	4N45-500E	AVAGO TECHNOLOGIES	19	Requires Quote	Available	Quantity for 4N45-500E
	PHOTODARLINGTON COUPLER,T/R+LF RoHS Compliant
Select 4N46	4N46	Optek Technology	10117	Requires Quote	Available	Quantity for 4N46
	Low input current, high gain optically coupled isolator. RoHS Compliant
Select 4N46-000E	4N46-000E	AVAGO TECHNOLOGIES	4079	Requires Quote	Available	Quantity for 4N46-000E
	DIP6 Through Hole Single Channel Min 200% CTR 100 KBd High Gain Optocoupler RoHS Compliant
Select 4N46#060	4N46#060	AVAGO TECHNOLOGIES	550	Requires Quote	Available	Quantity for 4N46#060
	Optocoupl DC-IN 1-CH DARL W/Base DC-OUT 8-Pin PDIP Tube
Select 4N46-060E	4N46-060E	AVAGO TECHNOLOGIES	117	Requires Quote	Available	Quantity for 4N46-060E
	PHOTODARLINGTON COUPLER,IEC+LF RoHS Compliant
Select 4N46#300	4N46#300	AVAGO TECHNOLOGIES	750	Requires Quote	Available	Quantity for 4N46#300
	Optocoupl DC-IN 1-CH DARL W/Base DC-OUT 8-Pin PDIP SMD Tube
Select 4N46-300E	4N46-300E	AVAGO / AGILENT TECHNOLOGIES	786	Requires Quote	Available	Quantity for 4N46-300E
	PHOTODARLINGTON COUPLER SM+LF RoHS Compliant
Select 4N46#500	4N46#500	AVAGO TECHNOLOGIES	2906	Requires Quote	Available	Quantity for 4N46#500
	Optocoupl DC-IN 1-CH DARL W/Base DC-OUT 8-Pin PDIP T/R
Select 4N46-500E	4N46-500E	AVAGO TECHNOLOGIES	1011	Requires Quote	Available	Quantity for 4N46-500E
	PHOTODARLINGTON COUPLER,T/R+LF RoHS Compliant
Select 4N46#560	4N46#560	AVAGO TECHNOLOGIES	3731	Requires Quote	Available	Quantity for 4N46#560
	Optocoupl DC-IN 1-CH DARL W/Base DC-OUT 8-Pin PDIP T/R
Select 4N40KGTN3T	4N40KGTN3T	UTC	5017	Requires Quote	Available	Quantity for 4N40KGTN3T

Select 4N40KLTM3T	4N40KLTM3T	UTC	5017	Requires Quote	Available	Quantity for 4N40KLTM3T

Select 4N40LTM3T	4N40LTM3T	UTC	5017	Requires Quote	Available	Quantity for 4N40LTM3T

Select 4N40LTMST	4N40LTMST	UTC	5017	Requires Quote	Available	Quantity for 4N40LTMST

Select 4N40LTN3T	4N40LTN3T	UTC	5017	Requires Quote	Available	Quantity for 4N40LTN3T

Select 4N41	4N41	Texas Instruments	23	Requires Quote	Available	Quantity for 4N41
	6 V, 7-segment numeric display
Select 4N458	4N458	Dell	1	Requires Quote	Available	Quantity for 4N458

Select 4N45HEWLETTPACKARDS7C1A	4N45HEWLETTPACKARDS7C1A	Agilent	12462	Requires Quote	Available	Quantity for 4N45HEWLETTPACKARDS7C1A

Select 4N46100	4N46100	HEWLETT-PACKARD	67	Requires Quote	Available	Quantity for 4N46100

Select 4N46-560E	4N46-560E	AVAGO TECHNOLOGIES	2011	Requires Quote	Available	Quantity for 4N46-560E
	Optocoupl DC-IN 1-CH DARL W/Base DC-OUT 6-Pin PDIP SMD T/R RoHS Compliant
Select 4N46 HP	4N46 HP	Agilent	113	Requires Quote	Available	Quantity for 4N46 HP

Select 4N46S9G3A	4N46S9G3A	Agilent	113	Requires Quote	Available	Quantity for 4N46S9G3A

Select 4N46V	4N46V	AVAGO / AGILENT TECHNOLOGIES	324	Requires Quote	Available	Quantity for 4N46V

Select 4N46V560	4N46V560	HEWLETT-PACKARD	3017	Requires Quote	Available	Quantity for 4N46V560

Select 4N46VHP97	4N46VHP97	Original Equipment Manufacturer	182	Requires Quote	Available	Quantity for 4N46VHP97

Select 4N47	4N47	Tt-electronics-optek-technology	49	Requires Quote	Available	Quantity for 4N47
	JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS
Select 4N47A	4N47A	Tt-electronics-optek-technology	74	Requires Quote	Available	Quantity for 4N47A
	JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS
Select 4N47AJANTX	4N47AJANTX	Micropac Industries, Inc.	23	Requires Quote	Available	Quantity for 4N47AJANTX
	4N47AJANTX
Select 4N47J	4N47J	MII	1457	Requires Quote	Available	Quantity for 4N47J

Select 4N47JAN	4N47JAN	MII	1457	Requires Quote	Available	Quantity for 4N47JAN

Select 4N47JANTX	4N47JANTX	Micropac Industries, Inc.	1459	Requires Quote	Available	Quantity for 4N47JANTX
	4N47JANTX
Select 4N47JTX	4N47JTX	MII	1457	Requires Quote	Available	Quantity for 4N47JTX

Select 4N47TX	4N47TX	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N47TX
	ISOLATOR OPTICALLY COUPLED TO-78
Select 4N47TXV	4N47TXV	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N47TXV
	ISOLATOR OPTICALLY COUPLED TO-78
Select 4N47U	4N47U	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N47U
	OPTOISOLATOR HERMETIC SEAL SMD
Select 4N47UTX	4N47UTX	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N47UTX
	6 PIN, SMT OPTICALLY COUPLED I
Select 4N47UTXV	4N47UTXV	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N47UTXV
	6 PIN, SMT OPTICALLY COUPLED I
Select 4N48	4N48	Micropac Industries	1336	Requires Quote	Available	Quantity for 4N48
	Optocoupl DC-IN 1-CH Trans W/Base DC-OUT 6-Pin TO-5 RoHS Compliant
Select 4N481T	4N481T	CSI	74	Requires Quote	Available	Quantity for 4N481T

Select 4N48A	4N48A	Tt-electronics-optek-technology	106	Requires Quote	Available	Quantity for 4N48A
	JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS
Select 4N48J	4N48J	MII	1101	Requires Quote	Available	Quantity for 4N48J

Select 4N48JAN	4N48JAN	MII	1101	Requires Quote	Available	Quantity for 4N48JAN

Select 4N48JANTX	4N48JANTX	Micropac Industries	1112	Requires Quote	Available	Quantity for 4N48JANTX
	Optocoupl DC-IN 1-CH Trans W/Base DC-OUT 6-Pin TO-5
Select 4N48JANTXV	4N48JANTXV	MII	1101	Requires Quote	Available	Quantity for 4N48JANTXV

Select 4N48JTX	4N48JTX	MII	1101	Requires Quote	Available	Quantity for 4N48JTX

Select 4N48JTXV	4N48JTXV	MII	1101	Requires Quote	Available	Quantity for 4N48JTXV

Select 4N48TX	4N48TX	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N48TX
	TO-78, OPTICALLY COUPLED ISOLA
Select 4N48TXV	4N48TXV	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N48TXV
	TO-78, OPTICALLY COUPLED ISOLA
Select 4N48U	4N48U	Tt-electronics-optek-technology	100	Requires Quote	Available	Quantity for 4N48U
	OPTOISOLATOR HERMETIC SEAL SMD
Select 4N48UTX	4N48UTX	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N48UTX
	6 PIN, SMT OPTICALLY COUPLED I
Select 4N48UTXV	4N48UTXV	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N48UTXV
	6 PIN, SMT OPTICALLY COUPLED I
Select 4N49	4N49	Tt-electronics-optek-technology	916	Requires Quote	Available	Quantity for 4N49
	Optocoupl DC-IN 1-CH Trans W/Base DC-OUT 6-Pin TO-5
Select 4N49A	4N49A	Tt-electronics-optek-technology	289	Requires Quote	Available	Quantity for 4N49A
	JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS
Select 4N49JANS	4N49JANS	Micropac Industries, Inc.	31	Requires Quote	Available	Quantity for 4N49JANS
	4N49JANS
Select 4N49JANTX	4N49JANTX	Micropac Industries	26	Requires Quote	Available	Quantity for 4N49JANTX
	Optocoupl DC-IN 1-CH Trans W/Base DC-OUT 6-Pin TO-5
Select 4N49JANTXV	4N49JANTXV	MICROPAC	115	Requires Quote	Available	Quantity for 4N49JANTXV
	4N49JANTXV
Select 4N49JTX	4N49JTX	Texas Instruments	21	Requires Quote	Available	Quantity for 4N49JTX

Select 4N49JTXV	4N49JTXV	Any	18	Requires Quote	Available	Quantity for 4N49JTXV

Select 4N49TX	4N49TX	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N49TX
	TO-78, OPTICALLY COUPLED ISOLA RoHS Compliant
Select 4N49TXV	4N49TXV	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N49TXV
	TO-78, OPTICALLY COUPLED ISOLA
Select 4N49U	4N49U	Tt-electronics-optek-technology	2585	Requires Quote	Available	Quantity for 4N49U
	Optocoupl DC-IN 1-CH Trans W/Base DC-OUT 6-Pin TO-5
Select 4N49U+JANTX	4N49U+JANTX	Micropac Industries	157	Requires Quote	Available	Quantity for 4N49U+JANTX
	Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin LCC
Select 4N49U-TR	4N49U-TR	TT ELECTRONICS	450	Requires Quote	Available	Quantity for 4N49U-TR
	4N49U-TR
Select 4N49UTX	4N49UTX	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N49UTX
	6 PIN, SMT OPTICALLY COUPLED I
Select 4N49UTXV	4N49UTXV	Tt-electronics-optek-technology	Requires Quote	Requires Quote	Available	Quantity for 4N49UTXV
	6 PIN, SMT OPTICALLY COUPLED I
Select 4N49V	4N49V	Manufacturing Industries	112	Requires Quote	Available	Quantity for 4N49V

Select 4N4S	4N4S	HEWLETT-PACKARD	406	Requires Quote	Available	Quantity for 4N4S

82 Results Page 1 of 1

Technical Resources / Inventory Search

Visa Mastercard American Express Open Links

Mobile Version Online Ordering Order Status Products Line Card Site Map Help Center About Sierra Ic Request Quote Blog.sierraic.com

Amplifiers Circuit Protection Communication Data Conversion Filter Inductors Interconnect Passive Components Power Supplies Products UnCategorized Semiconductors and Actives

16151 Lancaster Hwy, Charlotte, NC 28277 USA | Phone: 1-866-296-0911 or 704-256-0088 | Fax: 631-207-8305

webmaster@sierraic.com

As an Independent Distributor, Sierra IC Inc. is not affiliated with the manufacturers of the products it sells except as expressly noted otherwise.
Any and all trademark rights associated with the manufacturers' names and products are owned by the respective manufacturers.
As an Independent Distributor No manufacturers warranty is offered except as expressly noted otherwise. Sierra IC is NOT an authorized distributor/dealer or sales representative of ANY manufacturer.
Disclaimer: Though Sierra IC Inc. takes reasonable efforts to maintain material provided by this website, Sierra IC Inc., its employees, content providers or any other party who has contributed makes no claims/warranties that the information herein is in every aspect accurate or complete, and thus are not responsible for any errors or omissions or for the results obtained from the use of such information. This is a comprehensive limitation of liability that applies to all damages of any kind, including (without limitation) compensatory, direct, indirect or consequential damages, financial loss, loss of data, income or profit or claims of third parties.

SIERRA IC INC GIVES A 30 DAY LIMITED WARRANTY ON ALL THE ITEMS (PRODUCTS) IT SELLS , SPECIFICALLY THAT SHOULD ANY PRODUCT SOLD BY SIERRA IC INC FAIL TO MEET THE PERFORMANCE LEVEL SPECIFICATIONS OF THAT PRODUCT UNDER IT�S CORRESPONDING MIL-SPEC OR COMMERCIAL STANDARDS, SIERRA IC WILL ISSUE AN RMA FOR REFUND OR REPLACEMENT OF THE PRODUCT, AND THIS SHALL BE THE SOLE RECOURSE OF THE CUSTOMER TO RESOLVE ANY CLAIMS. THE CUSTOMER/BUYER ACKNOWLEDGES THAT THESE ITEMS OFFERED FOR SALE BY SIERRA IC INC , ARE NOT REPRESENTED AS HAVING ALL ORIGINAL MANUFACTURER CERTIFICATIONS. SPECIFICALLY, IT IS KNOWN THAT �TRACEABILITY� ALL THE WAY BACK TO THE ORIGINAL COMPONENT MANUFACTURER IS NOT AVAILABLE. THE CUSTOMER ACKNOWLEDGES THE PRODUCT MAY NOT BE IN ORIGINAL PACKAGING AND BECAUSE OF LACK OF TRACEABILITY IT IS NOT POSSIBLE FOR SIERRA IC INC THAT THE PRODUCT IS ORIGINAL IN ALL OF ITS SPECIFICATIONS. CUSTOMER AGREES TO PERFORM ALL TESTS TO ASSURE THE PRODUCTS USABILITY. THE ITEMS SHOULD ALSO NOT BE USED IN ANY LIFE SUPPORT OR MISSION CRITICAL APPLICATION WITHOUT RE-CERTIFICATION AND TESTING TO MILITARY/HIGH RELIABILITY SPECS. IN NO CASE SHALL SIERRA IC BE RESPONSIBLE FOR ANY DAMAGES WHATSOEVER, INCLUDING BUT NOT LIMITED TO DIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY OTHER CLAIM RESULTING FROM THE USE OF SAID PRODUCT. THE CUSTOMER ASSUMES ALL RESPONSIBILITY AND LIABILITY OF SAID PRODUCT.

4N4 Inventory Results

Technical Resources / Inventory Search

1 Item has been added to your cart

Part Number here

Error