HIGH Power Diode FOR MEDIUM FREQUENCY WELDING
WITHOUT HOUSING ULTRATHIN DEVICE
YZPST-53DN04
Features
- High current capability
- Very low thermal impedance
- High power cycling capability
ELECTRICAL CHARACTERISTICS AND RATINGS
VRRM = Repetitive peak reverse voltage
VRSM = Non repetitive peak reverse voltage (2)
Notes:
All ratings are specified for Tj=25 °C unless otherwise stated.
(1) All voltage ratings are specified for an applied 50Hz/60Hz sinusoidal waveform
over the temperature range -40 to +180 °C.
(2) 10 ms max. pulse width
(3) Maximum value for Tj = 180 °C
Conducting
Parameter | Symbol | Min | Max | Typ | Unit | Conditions |
Average value of forward current | IF(AV) | | 6300 | | A | 50Hz sinewave,180o conduction, Tc = 126 °C |
RMS value of forward current | IF(RMS) | | 9890 | | A | |
Peak one cycle surge (non repetitive) current | IFSM | | 70 | | kA | 50Hz sinewave,180o conduction, Tj = Tjmax, VR = 0 |
I square t | I2 t | | 24500 | | kA2s | Tj = Tjmax |
Peak forward voltage | VFM | | 1.14 | | V | Forward current 10 kA, Tjmax |
Threshold voltage | VF(TO) | | 0.7 | | V | Tj = Tjmax |
Forward slope resistance | rF | | 0.046 | | mΩ | Tj = Tjmax |
Thermal and mechanical characteristics and ratings
Parameter | Symbol | Min | Max | Typ | Unit | Conditions |
Operating temperature | Tj | -40 | 180 | | °C | |
Storage temperature | Tstg | -40 | 180 | | °C | |
Thermal resistance junction to case | Rth(j-c) | | 0.0048 | | °C/W | Double side cooled , DC |
Thermal resistance junction to case | Rth(j-c) | | 0.0062 | | °C/W | Double side cooled, 180° sin |
Thermal resistance case to sink | Rth(c-s) | | 0.0025 | | °C/W | Double side cooled, mounting surfaces smooth, flat and greased |
Mounting force | F | 40 | 60 | | kN | |
Weight | W | | 100 | | g | |
Analytical expression for Zth(j-c) |
Zth(j-c) ( t ) = i Ai · ( 1 - exp ( - t / i ) ) |
i | 1 | 2 | 3 | |
Ai | 1.0E-03 | 3.7E-03 | 1.7E-06 | [°C/W] |
i | 2.0E-03 | 3.8E-02 | 8.0E-01 | [s] |
Output current (ID) capability for center tap configuration
OUTLINE AND DIMENSIONS
Notice
- We recommend to protect the diode with a temperature resistant O-Ring.
- All the characteristics given in this data sheet are guaranteed only with uniform clamping force, cleaned and lubricated heatsink surfaces with flatness < 0.03 mm and roughness < 2µm