LM3940ISX-3.3/NOPB is out of stock and can be placed on backorder.
Available Substitutes:

Similar

MIC2937A-3.3WU
Microchip Technology
In Stock: 207
Unit Price: $4.71000
Datasheet

Similar

MIC2937A-3.3WU-TR
Microchip Technology
In Stock: 3,381
Unit Price: $4.71000
Datasheet

Similar

MIC2940A-3.3WU
Microchip Technology
In Stock: 44
Unit Price: $3.94000
Datasheet

Similar

MIC2940A-3.3WU-TR
Microchip Technology
In Stock: 2,138
Unit Price: $3.94000
Datasheet

Similar

NCP565D2T33R4G
onsemi
In Stock: 3,505
Unit Price: $3.06000
Datasheet

Similar

SPX3940AT-L-3-3
MaxLinear, Inc.
In Stock: 0
Unit Price: $0.00000
Datasheet

Similar

SPX3940AT-L-3-3/TR
MaxLinear, Inc.
In Stock: 0
Unit Price: $1.23156
Datasheet

Similar

SPX3940T-L-3-3
MaxLinear, Inc.
In Stock: 0
Unit Price: $0.00000
Datasheet

Similar

SPX3940T-L-3-3/TR
MaxLinear, Inc.
In Stock: 147
Unit Price: $2.39000
Datasheet

Similar

TC1262-3.3VEBTR
Microchip Technology
In Stock: 3,071
Unit Price: $1.71000
Datasheet

Similar

TC1264-3.3VEBTR
Microchip Technology
In Stock: 0
Unit Price: $1.66140
Datasheet
View and Compare All Substitutes
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
What is a Voltage Regulator Another Teaching Moment | Digi-Key Electronics

LM3940ISX-3.3/NOPB

DigiKey Part Number
LM3940ISX-3.3/NOPBTR-ND - Tape & Reel (TR)
LM3940ISX-3.3/NOPBCT-ND - Cut Tape (CT)
LM3940ISX-3.3/NOPBDKR-ND - Digi-Reel®
Manufacturer
Texas Instruments
Manufacturer Product Number
LM3940ISX-3.3/NOPB
Description
IC REG LINEAR 3.3V 1A TO263
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-263 (DDPAK-3)
Datasheet
 Datasheet
EDA/CAD Models
LM3940ISX-3.3/NOPB Models
Product Attributes
Type
Description
Select All
Category
Mfr
Texas Instruments
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Output Configuration
Positive
Output Type
Fixed
Number of Regulators
1
Voltage - Input (Max)
7.5V
Voltage - Output (Min/Fixed)
3.3V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.2V @ 100mA
Current - Output
1A
PSRR
-
Control Features
-
Protection Features
Over Temperature, Short Circuit
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
Supplier Device Package
TO-263 (DDPAK-3)
Base Product Number
LM3940
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

0 In Stock
Check Lead Time
Request Stock Notification
Quantity
All prices are in AUD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$2.98000$2.98
10$2.19900$21.99
25$2.00320$50.08
100$1.78770$178.77
250$1.68468$421.17
* All Digi-Reel orders will add a $9.50 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
500$1.62264$811.32
1,000$1.57160$1,571.60
1,500$1.54603$2,319.05
2,500$1.51769$3,794.22
3,500$1.50114$5,253.99
5,000$1.48521$7,426.05
Manufacturers Standard Package
Unit Price without GST:$2.98000
Unit Price with GST:$3.27800
You May Also Be Interested InSee All
5 Items
LM3940IS-3.3/NOPB

LM3940IS-3.3/NOPB

IC REG LINEAR 3.3V 1A TO263

Texas Instruments

$3.59000
CDBA240LL-HF

CDBA240LL-HF

DIODE SCHOTTKY 40V 2A DO214AC

Comchip Technology

$1.40000
LM3940IT-3.3/NOPB

LM3940IT-3.3/NOPB

IC REG LINEAR 3.3V 1A TO220-3

Texas Instruments

$2.60000
SN74LVC1G175DBVR

SN74LVC1G175DBVR

IC FF D-TYPE SGL 1-BIT SOT-23-6

Texas Instruments

$0.30000
LM3940IMP-3.3/NOPB

LM3940IMP-3.3/NOPB

IC REG LINEAR 3.3V 1A SOT-223-4

Texas Instruments

$2.92000