2N5154ESYHRT STMicroelectronics Transistor BJT NPN (Transistor Outline, Vertical) In Stock
STMicroelectronics 2N5154ESYHRT is a radiation-hardened NPN bipolar transistor rated at 80 V collector-emitter voltage and 5 A collector current, designed for high-reliability space and aerospace switching and amplification applications.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- 2N5154ESYHRT Datasheet PDF
- Category
- Transistor BJT NPN
- Temp Range
- -65.0°C to 200.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Radiation-hardened NPN transistor for space and aerospace use
- 80 V collector-emitter voltage (VCEO) maximum
- 5 A maximum collector current (IC)
- DC current gain (hFE) minimum of 40
- Collector-base capacitance max 250 pF for fast switching
- Single-element TO-257 package for reliable board mounting
Applications
The 2N5154ESYHRT is designed for high-reliability applications in space systems, satellites, and military electronics where radiation tolerance is mandatory. It is used in power switching, linear regulation, and signal amplification circuits in environments subjected to ionizing radiation.
Specifications
| YTEOL | 4 |
| Additional Feature | HIGH RELIABILITY |
| Collector Current-Max (IC) | 5A |
| Collector-Base Capacitance-Max | 250pF |
| Collector-Emitter Voltage-Max | 80V |
| Configuration | SINGLE |
| DC Current Gain-Min (hFE) | 40 |
| JEDEC-95 Code | TO-257 |
| JESD-30 Code | R-XSFM-P3 |
| Number of Elements | 1 |
| Package Body Material | UNSPECIFIED |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Polarity/Channel Type | NPN |
| Power Dissipation Ambient-Max | 3.3W |
| Power Dissipation-Max (Abs) | 35W |
| Reference Standard | EUROPEAN SPACE AGENCY |
| Surface Mount | NO |
| Terminal Form | PIN/PEG |
| Terminal Position | SINGLE |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Turn-off Time-Max (toff) | 1300ns |
| Turn-on Time-Max (ton) | 500ns |
| VCEsat-Max | 1.5V |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.95 |
| Country of Origin | France |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 2N5154ESYHRT:
Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-257, 3 Pin
Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-257, 3 Pin
Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-257
Frequently Asked Questions
What voltage and current ratings define the 2N5154ESYHRT for power switching in satellite systems?
The 2N5154ESYHRT is rated for an 80 V collector-emitter voltage and a 5 A collector current, providing robust switching capability for satellite power bus and load-switching circuits in space environments.
How does the radiation-hardened design of 2N5154ESYHRT make it suitable for space-grade projects?
The 2N5154ESYHRT carries a high-reliability rating and is designed to withstand ionizing radiation, maintaining a minimum DC current gain (hFE) of 40 and a collector-base capacitance below 250 pF after radiation exposure.
Which package does 2N5154ESYHRT use and what are the implications for PCB assembly in aerospace hardware?
The device is housed in a TO-257 vertical outline package with 3 pins, suitable for through-hole mounting on aerospace-grade PCBs requiring high mechanical reliability under thermal cycling and vibration stress.
When would a designer choose 2N5154ESYHRT over a commercial-grade NPN transistor for a high-reliability design?
When the application demands operation through radiation doses found in low-earth or geostationary orbits, the 2N5154ESYHRT is chosen over commercial-grade NPN devices because its 80 V, 5 A ratings are guaranteed to remain stable after radiation exposure.
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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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