BYT79-400 Fast Recovery Diode 400V 14A TO220AC

BYT79-400 Fast Recovery Diode 400V 14A TO220AC

The BYT79-400 is a fast recovery power diode designed for efficient operation in high-frequency and switching applications. With a reverse voltage rating of 400V and a forward current capacity of 14A, it is ideal for circuits that require rapid switching and reduced power loss. Its fast recovery characteristic minimizes reverse recovery time, improving efficiency and reducing heat generation in switching power supplies and motor control systems.

Housed in a TO-220AC through-hole package, this diode provides excellent thermal performance and can be easily mounted on heat sinks for enhanced cooling. It is widely used in industrial electronics, power conversion systems, and freewheeling diode applications. Its robust construction ensures reliable performance under demanding electrical and thermal conditions.

Features:

• Fast recovery for high-speed switching.
• High current handling capability.
• Reduced switching losses.
• Reliable and stable performance.
• Suitable for high-frequency applications.
• Durable construction.
• Easy heat sink mounting.

Specifications:

Parameter	Value
Repetitive Peak Reverse Voltage (VRRM)	400 V
Continuous Reverse Voltage (VR)	400 V
Average Forward Current (IF(AV))	14 A (square wave, δ=0.5)
Non‑repetitive Peak Forward Current (IFSM)	130 A (10 ms) / 143 A (8.3 ms alternate)
Forward Voltage (VF)	≤ 1.05 V
Reverse Recovery Time (trr)	≤ 60 ns
Junction Temperature (Tj)	-40 °C to +150 °C
Storage Temperature (Tstg)	-40 °C to +150 °C
Thermal Resistance (junction to mounting base)	2.0 K/W
Package	SOD59 (TO‑220AC)

Pinout:

Applications:

• Output rectifiers in high‑frequency switched‑mode power supplies (SMPS).
• DC‑DC converters.
• Freewheeling diodes in power inverters.
• AC‑DC adapters and battery chargers.
• Industrial power supplies.
• Computer power supplies (ATX / server).

Packages:

• BYT79-400 Fast Recovery Diode 400V 14A TO220AC.

Documents:

• BYT79 Datasheet.