STTH40200CHYG STMicroelectronics Diode (Transistor Outline, Vertical) In Stock
The STTH40200CHYG from STMicroelectronics is an aerospace-grade 40 A, 200 V fast recovery rectifier diode in a TO-247 vertical package. It features ultrafast recovery times and high forward current capability for demanding power conversion applications. Available from authorized distributors with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- STTH40200CHYG Datasheet PDF
- Category
- Diode
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40 A continuous forward current rating with 200 V reverse voltage for high-power aerospace rectification
- Ultrafast recovery time enabling efficient switching in high-frequency power converters operating above 20 kHz
- Aerospace-qualified construction ensuring reliability in harsh environments from -65°C to +175°C junction temperature
Applications
The STTH40200CHYG is designed for aerospace and high-reliability power supply designs requiring a 40 A, 200 V fast recovery rectifier with guaranteed performance over the full military temperature range. It is commonly used in AC-DC front-end rectifier stages, boost PFC circuits, and freewheeling diode positions in motor-drive inverters where ultrafast recovery minimizes switching losses. The device also finds application in avionics power conditioning units and space-grade DC-DC converters where component qualification to aerospace standards is mandatory.
Specifications
| Diode Type | RECTIFIER DIODE |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | France |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STTH40200CHYG:
Rectifier Diode, 1 Phase, 2 Element, 20A, 200V V(RRM), Silicon, TO-254AA
Rectifier Diode, 1 Phase, 2 Element, 20A, 200V V(RRM), Silicon, TO-254AA
Frequently Asked Questions
What are the key electrical ratings of the STTH40200CHYG fast recovery rectifier?
The STTH40200CHYG is rated for 40 A continuous forward current and 200 V repetitive reverse voltage, with ultrafast recovery time suitable for switching frequencies above 20 kHz in aerospace power conversion systems.
Which aerospace power supply topologies benefit most from the STTH40200CHYG at 40 A and 200 V?
Boost PFC stages, phase-leg freewheeling positions in 3-phase inverters, and forward converter output rectifiers all benefit from the 40 A, 200 V rating: the ultrafast recovery reduces reverse recovery charge, cutting switching losses and EMI at frequencies up to 100 kHz in avionics DC buses.
How does the STTH40200CHYG's operating temperature range suit harsh aerospace environments?
The device supports a junction temperature range of -65°C to +175°C and is built to aerospace quality standards, ensuring stable rectification performance in avionics bays and satellite power systems exposed to wide thermal swings and radiation environments.
When should a designer choose STTH40200CHYG over a standard 40 A rectifier diode in an industrial power supply?
Designers should choose the STTH40200CHYG when the application requires aerospace qualification, operation at junction temperatures up to +175°C, or when the ultrafast recovery time at 40 A significantly reduces reverse recovery losses compared to standard rectifier diodes in high-frequency topologies.
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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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