Name: L9903
Brand: STMicroelectronics
SKU: L9903
Price: 3.3089 USD
Availability: InStock
Rating: 5 (74 reviews)

L9903

For Reference Only

Part Number	L9903
Manufacturer	STMicroelectronics
Description	IC MOTOR CONTROLLER SER 20SO
Datasheet	L9903 Datasheet L9903 Specifications
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
In Stock	19,476 piece(s)
Unit Price	$ 3.3089 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 19 - May 24 (Choose Expedited Shipping)
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Delivery Services

Part Number # L9903 (PMIC - Motor Drivers, Controllers) is manufactured by STMicroelectronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For L9903 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add L9903 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of L9903.

L9903 Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - PMIC - Motor Drivers, Controllers
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
Series	-
Motor Type - Stepper	-
Motor Type - AC, DC	Brushed DC
Function	Controller - Commutation, Direction Management
Output Configuration	Pre-Driver - Half Bridge (2)
Interface	Serial
Technology	Power MOSFET
Step Resolution	-
Applications	General Purpose
Current - Output	-
Voltage - Supply	8 V ~ 20 V
Voltage - Load	-
Operating Temperature	-40°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package	20-SO

L9903 Datasheet

L9903 Reviews

Cole*****Shroff

March 24, 2023

★ ★ ★ ★ ★

Tested one of them and works good.

Cas*****athur

March 22, 2023

★ ★ ★ ★ ★

Heisener has been the best in this industry for many years. Very quick and easy if you know what you are looking for. if you don't know exactly what you are looking for, you are going to be lost.

Angel*****nolds

March 2, 2023

★ ★ ★ ★ ★

Not much to say. Nice and cheap, and haven't had a failure yet.

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L9903 Packaging

L9903 FAQ

1. How to order L9903 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that L9903 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the L9903. All suppliers must pass our qualification reviews before they can publish their products including L9903 on Heisener; we pay more attention to the channels and quality of L9903 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the L9903 price and inventory displayed accurate?

The price and inventory of L9903 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of L9903?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the L9903 we delivered, we will accept the replacement or return of the L9903 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of L9903.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as L9903 pin diagram, L9903 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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L9903 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

L9903TR

D# V72:2272_17698552

STMicroelectronics

Bridge Motor Controller 13.5V 20-Pin SO T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

L9903TR

D# L9903TR

STMicroelectronics

Bridge Motor Controller 13.5V 20-Pin SO T/R - Tape and Reel (Alt: L9903TR)

L9903

D# L9903

STMicroelectronics

Bridge Motor Controller 13.5V 20-Pin SO Tube - Rail/Tube (Alt: L9903)

Part Number

Manufacturer

Description

Stock

L9903

D# L9903

STMicroelectronics

Bridge Motor Controller 13.5V 20-Pin SO Tube (Alt: L9903)

L9903TR

D# L9903TR

STMicroelectronics

Bridge Motor Controller 13.5V 20-Pin SO T/R (Alt: L9903TR)

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

L9903TR

STMicroelectronics

1000

Part Number

Manufacturer

Description

Stock

L9903TR

STMicroelectronics

Min Qty 2

1000

L9903

STMicroelectronics

Min Qty 2

1000

Part Number	Manufacturer	Description	Stock
L9903TR D# 497-3937-1-ND	STMicroelectronics	IC MOTOR DRIVER 8V-20V 20SO	2755
L9903 D# L9903-ND	STMicroelectronics	IC MOTOR DRIVER 8V-20V 20SO	0
CAT1106004 D# BEL9903-ND	Belden Inc	10GX TRACEABLE PCORD BLU 4FT	0

Part Number

Manufacturer

Description

Stock

6DL9903-8AB

D# 3555232

Siemens

CONTROLLER ACCESSORIES

RoHS: Compliant

Min Qty: 1

Container: Each

6DL9903-8AA

D# 3555231

Siemens

CONTROLLER ACCESSORIES

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number

Manufacturer

Description

Stock

IDT74FCT162374ATPV L9903NP

NEW AND ORGINAL. ISRAEL W.HOUSE

Part Number

Manufacturer

Description

Stock

L9903TR

STMicroelectronics

L9903 Series 20 V Surface Mount Brushed DC Motor Driver - SOIC-20

RoHS: Compliant

pbFree: Yes

Part Number	Manufacturer	Description	Stock
BL99031398PBRT1M1850	Sealtron	OEM/CM QUOTES ONLY \| NO BROKERS	7
BL9903138PCRTFPM1850	Sealtron	OEM/CM QUOTES ONLY \| NO BROKERS	5
L9903TR		OEM/CM QUOTES ONLY \| NO BROKERS	19720
DL99031597PNPTM14603	Sealtron	OEM/CM QUOTES ONLY \| NO BROKERS	2
BL9903138PBRTFPM1850	Sealtron	OEM/CM QUOTES ONLY \| NO BROKERS	10

Part Number

Manufacturer

Description

Stock

L9903B

STMicroelectronics

OEM/CM Immediate delivery

2035

L9903

STMicroelectronics

OEM/CM Immediate delivery

2035

Part Number

Manufacturer

Description

Stock

L9903

D# 511-L9903

STMicroelectronics

Motor / Motion / Ignition Controllers & Drivers Motor Bridge

RoHS: Compliant

935

L9903TR

D# 511-L9903TR

STMicroelectronics

Motor / Motion / Ignition Controllers & Drivers Motor Bridge

RoHS: Compliant

688

Part Number	Manufacturer	Description	Stock
L9903TR D# 56P8948	STMicroelectronics	POWER MANAGEMENT RoHS: Not Compliant Min Qty: 1000 Container: TAPE & REEL - FULL	0
L9903 D# 56P8947	STMicroelectronics	POWER MANAGEMENT RoHS: Not Compliant Min Qty: 1000 Container: Bulk	0
FL-9903 D# 62AH9820	Omega Engineering	S & P Flow Meters: Meter only RoHS: Not Compliant Min Qty: 1 Container: Bulk	0

Part Number

Manufacturer

Description

Stock

L9903TR

D# NS-L9903TR

STMicroelectronics

OEM/CM ONLY

5226

L9903

D# NS-L9903

STMicroelectronics

OEM/CM ONLY

9155

Part Number

Manufacturer

Description

Stock

L9903TR

STMicroelectronics

BRUSH DC MOTOR CONTROLLER, PDSO20

800

Part Number	Manufacturer	Description	Stock
BL99031398PBRT1M1850		OEM/CM ONLY	101
L9903TR	STMicroelectronics	OEM/CM ONLY	1041
BL9903138PCRTFPM1850		OEM/CM ONLY	99
DL99031597PNPTM14603		OEM/CM ONLY	97
BL9903138PBRTFPM1850		OEM/CM ONLY	104

Part Number

Manufacturer

Description

Stock

L9903B

STMicroelectronics

IN stock Immediate delivery

2050

L9903

STMicroelectronics

IN stock Immediate delivery

2050

Part Number

Manufacturer

Description

Stock

990-3000

Molex

Cable Mounting & Accessories REEL W/BOX 45' 14AWG-3COND

Part Number

Manufacturer

Description

Stock

L9903

STMicroelectronics

shipping today

380

Part Number

Manufacturer

Description

Stock

L9903TR

D# 25929403

STMicroelectronics

Bridge Motor Controller 13.5V 20-Pin SO T/R

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
L9903	STMicroelectronics	RFQ	5687
L9903TR	STMicroelectronics	RFQ	2083
L9903B	STMicroelectronics	RFQ	286

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L9903

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

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