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

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 |
Report Product Information Error
Documents & Media
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| TL331IDBVR | Texas Instruments | 0 | 296-10168-2-ND | $0.45000 | Similar |
| TL331IDBVT | Texas Instruments | 0 | 296-26708-2-ND | $1.41000 | Similar |
| LM397MF/NOPB | Texas Instruments | 0 | LM397MF/NOPBTR-ND | $1.20000 | Parametric Equivalent |
| MIC6270YM5-TR | Microchip Technology | 0 | 576-1315-2-ND | $0.45000 | Similar |
| TA75S393F,LF | Toshiba Semiconductor and Storage | 0 | TA75S393FLFTR-ND | $0.30000 | Similar |
Show More
In-Stock: 0
3,000 estimated in stock on 05-Nov-2026
Request Stock Notification
Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext 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 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext 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.
You May Also Be Interested InSee All
6 Items









