Mfr Part #:

ST1PS03A1QTR

Name: ST1PS03A1QTR
Brand: STMicroelectronics
SKU: ST1PS03A1QTR
Availability: InStock

Mfr Name: STMicroelectronics

Description:

IC REG BUCK SELECT 400MA 12TQFN

✓ Total Stock: 7,000 pcs

ST1PS03A1QTR Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Fe Components ✓ Non-Authorised Inventory information	3,000 pcs On Request	3000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Risen Electronics ✓ Non-Authorised Inventory information	4,000 pcs On Request	4000 pcs	On Request	1	On Request	On Request	On Request	On Request	2026-02-16 21:33:16

Short technical summary and product information.

IC REG BUCK SELECT 400MA 12TQFN

Mfr Standard Lead Time: 12 weeks (varies by distributor)

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

Same form/fit/function or matching attribute configuration across different manufacturers.

ST1PS03AQTR

STMicroelectronics

IC REG BUCK SELECT 400MA 12TQFN

Category	Voltage Regulators - DC DC Switching Regulators
Manufacturer Name	STMicroelectronics
Current	400mA
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature	-40°C ~ 125°C (TJ)
Output Configuration	Positive
Output Type	Selectable
Supplier Device Package	12-TQFN (1.7x2)
Synchronous Rectifier	Yes
Topology	Buck
Voltage	1.8V