Features: · Low forward voltage (VF max=0.85V).
· Fast reverse recovery time (trr max=40ns).
· Low switching noise.
· Low leakage current and high reliability due to highly reliable planar structure.
Application· High frequency rectification (switching regulators,
converters, choppers).
Pinout 
Specifications
| Absolute maximum ratings |
| VRRM [V] |
180 |
| IO [A] |
5 |
| IFSM [A] |
60 |
| Electrical characteristics |
| VF max [V] |
0.85 |
| IF [A] |
2 |
| Tj [°C] |
25 |
| IR max [µA] |
400 |
| VR [V] |
90 |
| Tj [°C] |
25 |
| trr max [ns] |
40 |
| IF [A] |
2 |
| Tj [°C] |
25 |
| Rthj-c max [°C/W] |
2.5 |
|
Paramter |
Symbol |
conditions |
Ratings |
Units |
| Repetitive Peak Reverse Voltage |
VRRM |
|
180 |
V |
| Nonrepetitive Peak Reverse Surge Voltage |
VRSM |
|
190 |
V |
| Average Output Current |
IO |
50Hz,resistive load,Tc=103°C |
5 |
A |
| Surge Forward Current |
IFSM |
50Hz sine wave, 1 cycle |
60 |
A |
| Junction Temperature |
Tj |
|
-55 to +125
|
°C |
| Storage Temperature |
Tstg |
|
-55 to +125
|
°C |
DescriptionFeatures of the SB50-18 are:(1)low forward voltage (VF max=0.85V);(2)fast reverse recovery time (trr max=40ns)(3)low switching noise;(4)low leakage current and high reliability due to highly reliable planar structure.
The absolute maximum ratings of the SB50-18 can be summarized as:(1):the characteristic is repetitive peak reverse voltage,the symbol is VRRM,the rating is 180,the unit is V;(2):the characteristic is nonrepetitive peak reverse surge voltage,the symbol is VRSM,the rating is 190,the unit is V;(3):the characteristic is average output current,the symbol is IO,the rating is 5,the unit is A;(4):the characteristic is surge forward current,the symbol is IFSM,the rating is 60,the unit is A;(5):the characteristic is junction temperature,the symbol is Tj,the rating is -55 to 125,the unit is ;(6):the characteristic is storage temperature,the symbol is Tstg,the rating is -55 to 125,the unit is .
The electrical characteristics of the SB50-18 can be summarized as:(1):the characteristic is forward voltage,the symbol is VF,the Max is 0.85,the unit is V;(2):the characteristic is reverse voltage,the symbol is VR,the Min is 180,the unit is V;(3):the characteristic is reverse current,the symbol is IR,the Max is 0.4,the unit is mA;(4):the characteristic is reverse recovery time,the symbol is trr,the Max is 40,the unit is ns;(5):the characteristic is thermal resistance,the symbol is Rthj-c,the Max is 2.5,the unit is /W.
SB50-18 Data Sheet
