
For Reference Only
Part Number | A3973SLB |
OEMstron Part # | A3973SLB |
Manufacturer | Allegro MicroSystems, LLC |
Category | Semiconductors › Power Management ICs › Motor Drivers, Controllers |
Description | IC MTR DRV BIPLR 4.5-5.5V 24SOIC |
Lifecycle | Obsolete |
RoHS | No RoHS Information |
EDA/CAD Models | A3973SLB PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Feb 24 - Mar 1 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
A3973SLB Specifications
Part Number | A3973SLB | |
Brand | Allegro MicroSystems, LLC | |
Lifecycle | Obsolete | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Power Management ICs | |
Subcategory | Motor Drivers, Controllers | |
Manufacturer | Allegro MicroSystems, LLC | |
Series | - | |
Motor Type - Stepper | Bipolar | |
Motor Type - AC, DC | - | |
Function | Driver - Fully Integrated, Control and Power Stage | |
Output Configuration | Half Bridge (4) | |
Interface | Serial | |
Technology | DMOS | |
Step Resolution | 1 ~ 1/64 | |
Applications | General Purpose | |
Current - Output | 1A | |
Voltage - Supply | 4.5V ~ 5.5V | |
Voltage - Load | 15V ~ 35V | |
Operating Temperature | -20°C ~ 150°C (TJ) | |
Mounting Type | Surface Mount | |
Package / Case | 24-SOIC (0.295", 7.50mm Width) | |
Supplier Device Package | 24-SOIC |
A3973SLB Documents

Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
A3973SLBTR D# A3973SLBTR Allegro MicroSystems LLC |
Bipolar Motor Driver DMOS Serial 24-SOIC (Alt: A3973SLBTR) RoHS: Not Compliant
|
Europe - 0 |
Part Number | Description | Stock |
A3973SLB Allegro MicroSystems LLC |
IC MOTOR DRIVER SER 24SOIC |
Contact Us |
A3973SLBTR Allegro MicroSystems LLC |
IC MOTOR DRIVER SER 24SOIC |
Contact Us |
A3973SLBTR-T Allegro MicroSystems LLC |
IC MOTOR DRIVER SER 24SOIC |
Contact Us |
A3973SLB-T Allegro MicroSystems LLC |
IC MOTOR DRIVER SER 24SOIC |
Contact Us |
Part Number | Description | Stock |
A3973SLBTR-T D# 620-1142-2-ND Allegro MicroSystems LLC |
IC MTR DRV BIPLR 4.5-5.5V 24SOIC |
Limited Supply - Call |
A3973SLB D# A3973SLB-ND Allegro MicroSystems LLC |
IC MTR DRV BIPLR 4.5-5.5V 24SOIC |
Limited Supply - Call |
A3973SLBTR D# A3973SLBTR-ND Allegro MicroSystems LLC |
IC MTR DRV BIPLR 4.5-5.5V 24SOIC |
Limited Supply - Call |
A3973SLB-T D# 620-1075-ND Allegro MicroSystems LLC |
IC MTR DRV BIPLR 4.5-5.5V 24SOIC |
Limited Supply - Call |
Part Number | Description | Stock |
A3973SLB D# A3973SLB Allegro MicroSystems LLC |
Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct |
1203 |
A3973SLBT D# A3973SLBT Allegro MicroSystems LLC |
Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct |
3537 |
Part Number | Description | Stock |
A3973SLBT Allegro MicroSystems LLC |
In stock shipping within 2days |
190 |
Part Number | Description | Stock |
A3973SLBTR Allegro MicroSystems LLC |
OEM/CM QUOTES ONLY | NO BROKERS |
3968 |
A3973SLBTRT Allegro MicroSystems LLC |
OEM/CM QUOTES ONLY | NO BROKERS |
1323 |
A3973SLBT Allegro MicroSystems LLC |
OEM/CM QUOTES ONLY | NO BROKERS |
3306 |
A3973SLBES |
OEM/CM QUOTES ONLY | NO BROKERS |
7 |
Part Number | Description | Stock |
A3973SLBT Allegro MicroSystems LLC |
OEM/CM Immediate delivery |
90 |
Part Number | Description | Stock |
A3973SLBTR Allegro MicroSystems LLC |
OEM/CM ONLY |
2016 |
A3973SLBT Allegro MicroSystems LLC |
OEM/CM ONLY |
6131 |
Part Number | Description | Stock |
A3973SLBT Allegro MicroSystems LLC |
IN stock Immediate delivery |
85 |
Part Number | Description | Stock |
A3973SLBTR Allegro MicroSystems LLC |
shipping today |
1987 |
A3973SLB N/A |
shipping today |
331 |
Part Number | Description | Stock |
A3973SLBTR-T Allegro MicroSystems LLC |
RFQ |
3512 |
A3973SLB-T Allegro MicroSystems LLC |
RFQ |
2022 |
A3973SLBTR Allegro MicroSystems LLC |
RFQ |
14501 |
Part Number | Description | Stock |
A3973SLBTR Allegro MicroSystems LLC |
IC MOTOR DRIVER SER 24SOIC |
50 |
The Products You May Be Interested In
![]() |
UDN2916B-T | IC MTRDRV BIPLR 4.75-5.25V 24DIP | 309 More on Order |
![]() |
STK629-719M-E | IC MOTOR DRIVER | 475 More on Order |
![]() |
LC898123F40XC-VH | IC MOTOR DVR OIS AF 35WLCSP | 461 More on Order |
![]() |
PT8A9000HE | IC CTLR HOME APPLIANCE HA | 275 More on Order |
![]() |
UC2625NG4 | IC MOTOR DRIVER 10V-18V 28DIP | 244 More on Order |
![]() |
L6219DSTR-T | IC MOTOR DRIVER BIPOLAR 24SOIC | 372 More on Order |
![]() |
AN44075A-VF | IC MOTOR DRIVER 10V-35V 34HSOP | 472 More on Order |
![]() |
STK672-401C-E | IC MOTOR DRIVER UNIPOLAR 19SIP | 422 More on Order |
![]() |
DRV83053PHPR | IC MTR DRV MULTI 4.4-45V 48HTQFP | 442 More on Order |
![]() |
L9942XP1TR | IC MTR DRV BIPLR 3-5.3V 24PWRSSO | 1900 More on Order |
![]() |
AH289-PL-B | IC MOTOR DRIVER 3.8V-28V 5SIP | 2113 More on Order |
![]() |
A3949SLPTR-T | IC MOTOR DRIVER 8V-36V 16TSSOP | 463 More on Order |
Quick Inquiry
In Stock | 426 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 0.0000 | $ 0.0000 |
100 | $ 0.0000 | $ 0.0000 |
500 | $ 0.0000 | $ 0.0000 |
1000 | $ 0.0000 | $ 0.0000 |
2500 | $ 0.0000 | $ 0.0000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
Contact Us
- CALL US
86-755-83232896
- SKYPE
- Message
Please feel free to contact us for details.