LM397MFX/NOPB is out of stock and can be placed on backorder.
Available Substitutes:

Similar


Texas Instruments
In Stock: 0
Unit Price: $0.45000
Datasheet

Similar


Texas Instruments
In Stock: 0
Unit Price: $1.41000
Datasheet

Parametric Equivalent


Texas Instruments
In Stock: 0
Unit Price: $1.20000
Datasheet

Similar


Microchip Technology
In Stock: 0
Unit Price: $0.45000
Datasheet

Similar


Toshiba Semiconductor and Storage
In Stock: 0
Unit Price: $0.30000
Datasheet

Similar


STMicroelectronics
In Stock: 1,438
Unit Price: $0.63000
Datasheet
Comparator Standard (General Purpose) Open-Collector, Rail-to-Rail SOT-23-5
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LM397MFX/NOPB

DigiKey Part Number
LM397MFX/NOPBTR-ND - Tape & Reel (TR)
LM397MFX/NOPBCT-ND - Cut Tape (CT)
LM397MFX/NOPBDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM397MFX/NOPB
Description
IC COMPARATOR 1 GEN PUR SOT23-5
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Comparator Standard (General Purpose) Open-Collector, Rail-to-Rail SOT-23-5
Datasheet
 Datasheet
EDA/CAD Models
LM397MFX/NOPB Models
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Current - Input Bias (Max)
0.25µA @ 5V
Manufacturer
Texas Instruments
Current - Output (Typ)
13mA @ 5V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Quiescent (Max)
2mA
Part Status
Active
Operating Temperature
-40°C ~ 85°C
Type
Standard (General Purpose)
Package / Case
SC-74A, SOT-753
Number of Elements
1
Mounting Type
Surface Mount
Output Type
Open-Collector, Rail-to-Rail
Supplier Device Package
SOT-23-5
Voltage - Supply, Single/Dual (±)
5V ~ 30V, ±2.5V ~ 15V
Base Product Number
Voltage - Input Offset (Max)
7mV @ 30V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
TL331IDBVRTexas Instruments0296-10168-2-ND$0.45000Similar
TL331IDBVTTexas Instruments0296-26708-2-ND$1.41000Similar
LM397MF/NOPBTexas Instruments0LM397MF/NOPBTR-ND$1.20000Parametric Equivalent
MIC6270YM5-TRMicrochip Technology0576-1315-2-ND$0.45000Similar
TA75S393F,LFToshiba Semiconductor and Storage0TA75S393FLFTR-ND$0.30000Similar
In-Stock: 0
3,000 estimated in stock on 05-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.64000$0.64
10$0.45000$4.50
25$0.40280$10.07
100$0.35170$35.17
250$0.32716$81.79
500$0.31242$156.21
1,000$0.30026$300.26
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.28526$855.78
6,000$0.27791$1,667.46
9,000$0.27423$2,468.07
15,000$0.27016$4,052.40
21,000$0.26778$5,623.38
30,000$0.26549$7,964.70
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.