Document
DS402ST
DS402ST
Rectifier Diode
Replaces March 1998 version, DS4183-2.3 DS4183-3.0 January 2000
APPLICATIONS
s Rectification s Freewheel Diode s DC Motor Control s Power Supplies s Welding s Battery Chargers
KEY PARAMETERS VRRM 1400V IF(AV) 505A IFSM 5600A
FEATURES
s Double Side Cooling s High Surge Capability
VOLTAGE RATINGS
Type Number Repetitive Peak Reverse Voltage VRRM V Conditions
DS402ST14 1400 DS402ST13 1300 DS402ST12 1200 DS402ST11 1100 DS402ST10 1000 DS402ST09 900 Lower voltage grades available.
VRSM = VRRM + 100V
Outline type code: T. See Package Details for further information.
CURRENT RATINGS
Symbol Double Side Cooled IF(AV) IF(RMS) IF Mean forward current RMS value Continuous (direct) forward current Half wave resistive load, Tcase = 100oC Tcase = 100oC Tcase = 100oC 505 793 640 A A A Parameter Conditions Max. Units
Single Side Cooled (Anode side) IF(AV) IF(RMS) IF Mean forward current RMS value Continuous (direct) forward current Half wave resistive load, Tcase = 100oC Tcase = 100oC Tcase = 100oC 365 573 390 A A A 1/7
DS402ST
SURGE RATINGS
Symbol IFSM I2t IFSM I2t Parameter Surge (non-repetitive) forward current I2t for fusing Surge (non-repetitive) forward current I2t for fusing Conditions 10ms half sine; Tcase = 175oC VR = 50% VRRM - 1/4 sine 10ms half sine; Tcase = 175oC VR = 0 Max. 4.5 101 x 103 5.6 155 x 103 Units kA A2s kA A2s
THERMAL AND MECHANICAL DATA
Symbol Parameter Conditions Double side cooled Rth(j-c) Thermal resistance - junction to case Single side cooled Cathode dc Clamping force 4.5kN with mounting compound On-state (conducting) Tvj Virtual junction temperature Reverse (blocking) Tstg Storage temperature range Clamping force -55 3.5 175 200 5.0
o
Min. dc Anode dc -
Max. 0.08 0.16 0.16 0.02 0.04 185
Units
o
C/W
o
C/W C/W C/W C/W
o
o
Double side Single side
o
Rth(c-h)
Thermal resistance - case to heatsink
o
C
C C
o
kN
CHARACTERISTICS
Symbol VFM IRRM VTO rT Parameter Forward voltage Peak reverse current Threshold voltage Slope resistance Conditions At 450A peak, Tcase = 25oC At VRRM, Tcase = 175oC At Tvj = 175˚C At Tvj = 175˚C Min. Max. 1.25 15 0.81 0.84 Units V mA V mΩ
2/7
DS402ST
CURVES
2000 Measured under pulse conditions
Instantaneous forward current IF - (A)
1500
Tj = 25˚C Tj = 175˚C
1000
500
0 0.50
1.00 1.50 2.00 Instantaneous forward voltage VF - (V)
Fig. 1 Maximum (limit) forward characteristics
2.50
3/7
DS402ST
1200
dc Half wave
1000
3 phase 800
Mean power dissipation - (W)
6 phase 600
400
200
0
0
200
400 600 Mean forward current IF(AV) - (A) FIG 2 DISSIPATION CURVES
Fig. 2 Dissipation curves
800
4/7
DS402ST
12
Peak half sine forward current - (kA)
I2t = Î2 x t 2 10 100
8
90
I2t value - (A2s x 103)
6
2
80
4
It
70
2
60
0 1 ms
10
1
2 3 5
10 20
50 50
Cycles at 50Hz Duration
Fig. 3 Surge (non-repetitive) forward current vs time (with 50% VRRM, Tcase = 175˚C)
1.0
Conduction Effective thermal resistance Junction to case ˚C/W Double side Sin.