RHFL4913ESY331 STMicroelectronics Integrated Circuit (Transistor Outline, Vertical) In Stock
Radiation-hardened positive fixed 3.3 V voltage regulator by STMicroelectronics, featuring 5.8 V to 12 V input range, 0.95 V dropout, and ±0.0132% load regulation. Designed for space-grade applications. Available in vertical TO package with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- RHFL4913ESY331 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of RHFL4913ESY331?
- Radiation-hardened design rated for space-grade environments with TID tolerance
- Fixed 3.3 V output with ultra-low dropout voltage of 0.95 V for power efficiency
- Tight load and line regulation of ±0.0132% for stable supply rails in harsh conditions
What is RHFL4913ESY331 used for?
The RHFL4913ESY331 is designed for satellite power management systems and space-grade electronics where radiation hardness is critical. It provides a stable 3.3 V supply rail for FPGAs, microprocessors, and digital logic in LEO and GEO satellite platforms. Its fixed output and low dropout make it ideal for power-constrained space instruments and avionics subsystems.
What are the specifications of RHFL4913ESY331?
| YTEOL | 6.01 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 0.95V |
| Input Voltage Absolute-Max | 14V |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 5.8V |
| JESD-30 Code | R-CSFM-T3 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.0132% |
| Load Regulation-Max | 0.0132% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -55 °C |
| Output Current1-Max | 3A |
| Output Voltage1-Max | 3.37V |
| Output Voltage1-Min | 3.23V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Equivalence Code | SIP3,.1TB |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Total Dose | 300k Rad(Si) V |
| Voltage Tolerance-Max | 2% |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | France |
Where can I find the RHFL4913ESY331 datasheet?
RHFL4913ESY331 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for RHFL4913ESY331?
Compatible alternatives and drop-in replacements for RHFL4913ESY331:
Frequently Asked Questions
Which designs can use RHFL4913ESY331 when 3 pins is a required parameter?
RHFL4913ESY331 is a practical fit when the design needs 3 pins in a integrated circuit from STMicroelectronics. Buyers should confirm the package, lifecycle state, and original datasheet before approving it for production builds.
How should buyers compare RHFL4913ESY331 with alternate integrated circuit options?
Use 3.3 V as one verified requirement, then match the electrical ratings, footprint, and manufacturer series against the target BOM. This reduces substitution risk when similar parts differ in assembly or operating limits.
Which assembly detail should be checked before sourcing RHFL4913ESY331 for production?
Confirm that the selected lot matches TO-257 and the known 5.8 V requirement before RFQ approval. This gives incoming inspection and engineering teams a clearer basis for footprint, mating, or thermal review.
Related Guides
SN74LVC14APWR Schmitt-Trigger Inverter Selection Guide
Select SN74LVC14APWR by voltage, thresholds, package, alternatives, and sourcing requirements before approving your next order.
Nov 8, 2026
RK73H1ETTP1002F PCB Application and Validation Guide
Implement RK73H1ETTP1002F in pull-ups, dividers, and bias filters with practical power, leakage, assembly, and validation checks.
Nov 8, 2026
TLMG1100-GS08 Indicator LED PCB Design and Validation Guide
Design and validate a TLMG1100-GS08 indicator PCB with current calculations, GPIO checks, polarity review, and enclosure tests.
Nov 7, 2026
How to Choose RK73H1ETTP1002F: Chip Resistor Selection Guide 2026
Select RK73H1ETTP1002F for 10 kΩ circuits: compare four catalog options, check power and package limits, and prepare an exact-part sourcing request.
Nov 7, 2026
Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit