D1809N44T Infineon - Diode
D1809N44T Description
The Infineon Technologies D1809N44T is a rectifier diode, rated for 4400 V and 1800 A. It is used in input rectifiers, freewheeling and clamping circuits, battery chargers and welding power sources. Production of many older modules has ended, but we keep sourcing them for repair and maintenance customers.
USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the D1809N44T, and please confirm ratings against the datasheet before ordering.
Summary of Features
D1809N44T is a 4,400 V, 1809 A rectifier diode (disc).
Target Applications
Infineon D1809N44T is used for AC/DC power conversion and control: controlled and uncontrolled rectifiers, DC motor drives, soft starters, battery chargers, welding equipment, heater and temperature control, and AC power controllers.
Key Specifications
D1809N44T is a 4,400 V, 1809 A rectifier diode (disc). Source: manufacturer datasheet.
| Parameter | Value |
|---|---|
| Product type | Rectifier diode (disc) |
| Repetitive peak reverse voltage (VRRM) | 4,400 V |
| Rated forward / output current | 1809 A |
| Datasheet | Available on this page (PDF) |
Technical document (PDF) | Request a quote for D1809N44T (reply within 24 hours)
Related Part Numbers
| D1809N40T 4000V, 1800A | D1809N63T | D2200N20T 2000V, 2200A | D2201N45T 4500V, 2320A |
| D1481N58T 5800V, 1650A | D2601N90T 9000V, 2240A | D3001N68T 6800V, 2900A | D3001N58T 5800V, 2900A |
| D1800N44TVF 4400V, 1800A | D1D07 100(V) / 7(A) | D1D07-4627 100(V) / 7(A) | D1D07L 100(V) / 7(A) |
| D1331SH45TS05 4500V, 1331A | D1D07Z 100(V) / 7(A) | D1331SH45T 4500V, 1331A | D1D10 |

