RHFL4913ESY501 STMicroelectronics Integrated Circuit (Transistor Outline, Vertical) In Stock
RHFL4913ESY501 is a radiation-hardened fixed positive voltage regulator from STMicroelectronics, featuring an input voltage range of 7.5 V to 12 V and a maximum dropout voltage of 0.95 V with line and load regulation of 0.02%. Housed in a Transistor Outline vertical package, it is designed for space and defense applications requiring reliable operation in high-radiation environments. Available through authorized distributors with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- RHFL4913ESY501 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of RHFL4913ESY501?
- Radiation-hardened design ensuring stable regulation in high total ionizing dose (TID) space and defense environments
- Ultra-low line and load regulation of 0.02% max for precise fixed voltage output under varying conditions
- Transistor Outline vertical (TO) package with a dropout voltage of only 0.95 V nom for efficient low-headroom regulation
What is RHFL4913ESY501 used for?
The RHFL4913ESY501 is designed for satellite power subsystems, space instrument payloads, and defense electronics where components must maintain reliable voltage regulation under significant ionizing radiation exposure. Its fixed output with 0.02% line and load regulation makes it a strong candidate for powering sensitive analog and digital circuits in space-grade power distribution units. Engineers also apply it in military avionics and radiation-tolerant test equipment where long-term supply stability across a 7.5 V to 12 V input range is required.
What are the specifications of RHFL4913ESY501?
| YTEOL | 6.01 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 0.95V |
| Input Voltage Absolute-Max | 14V |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 7.5V |
| JESD-30 Code | R-CSFM-T3 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.02% |
| Load Regulation-Max | 0.02% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -55 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 5.1V |
| Output Voltage1-Min | 4.9V |
| Output Voltage1-Nom | 5V |
| 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 RHFL4913ESY501 datasheet?
RHFL4913ESY501 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for RHFL4913ESY501?
Compatible alternatives and drop-in replacements for RHFL4913ESY501:
Frequently Asked Questions
What input voltage range and dropout specification does the RHFL4913ESY501 support for space power rails?
The RHFL4913ESY501 accepts an input voltage from 7.5 V to 12 V with an absolute maximum of 14 V, and features a nominal dropout voltage of 0.95 V. This low dropout allows it to maintain regulation efficiently even when the input rail is only slightly above the output, a key requirement for satellite and space instrument power designs where supply margins are tight.
How does the radiation-hardened design of the RHFL4913ESY501 benefit satellite and defense applications?
The RHFL4913ESY501 is designed to withstand high total ionizing dose (TID) radiation levels typical in space and defense environments, ensuring that the fixed voltage output remains stable throughout the mission lifetime. Unlike commercial-grade regulators, its radiation-hardened process prevents parametric shifts and latch-up events that would cause failures in orbit or in high-radiation military systems.
What line and load regulation performance does the RHFL4913ESY501 deliver, and which precision circuits benefit most?
The RHFL4913ESY501 achieves a maximum line regulation of 0.02% and maximum load regulation of 0.02%, making it suitable for powering precision ADCs, DACs, and analog sensor front-ends in space instruments. These tight regulation figures mean that even as the input supply or load current varies, the output voltage deviation remains below 0.02%, preserving measurement accuracy in scientific payloads and defense signal processors.
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