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.
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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.
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