Alternative to ST1PS03AQTR: Better-Value Equivalents in Stock
Comparing the ST1PS03AQTR (ST1PS03AQTR - STMicroelectronics Switching Voltage Regulators 400mA nano-quiescent synch step-down converter dig volt sel output discharge) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the ST1PS03AQTR
| SKU | ST1PS03AQTR |
|---|---|
| Product | ST1PS03AQTR - STMicroelectronics Switching Voltage Regulators 400mA nano-quiescent synch step-down converter dig volt sel output discharge |
| Stock status | In Stock |
| Detail page | View ST1PS03AQTR › |
Alternatives to ST1PS03AQTR
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
Maxim MAX17644AATE+ Integrated Switching Voltage Regulators 4.5V to 36V, 2.7A, High-Efficiency, Synchronous Step-Down DC-DC Converter
SKU: MAX17644AATE
Price: $54.53
660184-001 - HP 460-Watts 100-240V AC Common Slot High Efficiency Platinum Plus Hot-Pluggable Switching Power Supply for ProLiant DL380P/DL385 Gen8
SKU: 660184-001
Price: $47.37
656362-B21 - HP 460-Watts 100-240V AC Common Slot High Efficiency Platinum Plus Hot-Pluggable Switching Power Supply for ProLiant DL380P/DL385 Gen8
SKU: 656362-B21
Price: $47.37
643954-101 - HP 460-Watts 100-240V AC Common Slot High Efficiency Platinum Plus Hot-Pluggable Switching Power Supply for ProLiant DL380P/DL385 Gen8
SKU: 643954-101
Price: $47.37
DPS-600PB - HP 575-Watts 100-240V Redundant Hot-Pluggable Switching Power Supply For ProLiant DL380 G4 Server
SKU: DPS-600PB
Price: $50.53
F5XMD - Dell 580-Watts 100-240V Switching Redundant Power Supply for PowerEdge T410
SKU: F5XMD
Price: $50.53
321632-501 - HP 575-Watts 100-240V Redundant Hot-Swappable Switching Power Supply for ProLiant DL380 G4
SKU: 321632-501
Price: $50.53
643954-201 - HP 460-Watts Common Slot High Efficiency Platinum Plus Hot-Pluggable Switching Power Supply For Ml350 G8/ Dl380 G8/ Dl388P G8
SKU: 643954-201
Price: $50.53
643931-001 - HP 460-Watts 100-240V AC Common Slot High Efficiency Platinum Plus Hot-Pluggable Switching Power Supply (RPS) for ProLiant DL380P/DL385 Gen8
SKU: 643931-001
Price: $50.53
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.