POWERSEM GmbH, Walpersdorfer Str. 53
91126 D- Schwabach, Germany www.powersem.net
Phone: 09122 - 9764-0 Fax.: 09122 - 9764-20
POWERSEM reserves the right to change limits, test conditions and dimensions
Three Phase PSD 51 IdAVM = 85 A
Rectifier Bridges VRRM = 800-1800 V
Preliminary Data Sheet
VRSM
V
VRRM
V
Type
800 800 PSD 51/08
1200 1200 PSD 51/12
1400 1400 PSD 51/14
1600 1600 PSD 51/16
1800 1800 PSD 51/18
Symbol Test Conditions Maximum Ratings
IdAVM TC = 100°C, module 85 A
IFSM TVJ = 45°C t = 10 ms (50 Hz), sine 750 A
VR = 0 t = 8.3 ms (60 Hz), sine 820 A
TVJ = TVJM t = 10 ms (50 Hz), sine 600 A
VR = 0 t = 8.3 ms (60 Hz), sine 700 A
∫ i2 dt TVJ = 45°C t = 10 ms (50 Hz), sine 2800 A2 s
VR = 0 t = 8.3 ms (60 Hz), sine 2820 A2 s
TVJ = TVJM t = 10 ms (50 Hz), sine 2200 A2 s
VR = 0 t = 8.3 ms (60 Hz), sine 2250 A2 s
TVJ -40 ... + 150 °C
TVJM 150 °C
Tstg -40 ... + 125 °C
VISOL 50/60 HZ, RMS t = 1 min 2500 V ∼
IISOL ≤ 1 mA t = 1 s 3000 V ∼
Md Mounting torque (M5) 5±15 % Nm
Weight typ. 110 g
Symbol Test Conditions Characteristic Value
IR VR = VRRM T
VJ = 25°C ≤ 0.5 mA
VR = VRRM T
VJ = TVJM ≤ 10 mA
VF IF = 150 A TVJ = 25°C ≤ 1.6 V
VTO For power-loss calculations only 0.8 V
rT TVJ = TVJM 6 mΩ
RthJC per Diode; DC current 1.3 K/W
per module 0.22 K/W
RthJK per Diode; DC current 1.6 K/W
per module 0.27 K/W
dS Creeping distance on surface 16.1 mm
dA Creeping distance in air 7.5 mm
a Max. allowable acceleration 50 m/s2
Features
• Package with fast-on terminals
• Isolation voltage 3000 V∼
• Planar glasspassivated chips
• Blocking voltage up to 1800 V
• Low forward voltage drop
• UL registered E 148688
Applications
• S
upplies for DC power equipment
• Input rectifiers for PWM inverter
• B
attery DC power supplies
• F
ield supply for DC motors
Advantages
• Easy to mount with two screws
• Space and weight savings
• Improved temperature and power
cycling
Package, style and outline
Dimensions in mm (1mm = 0.0394“)
PSD 51
0.5 11.5 2
0
50
100
150
2
00
VF
[
V
]
IF
[
A
]
Tvj = 150°C
Tvj = 25°C
0.4
0.6
0.8
1
1.2
1.4
1.6
10
0 10
1 10
2 10
3
t[ms]
I (A)
FSM
TVJ=45°C TVJ=150°C
750 675
I
------
I
FSM
F(OV)
0 V
RRM
1/2 V
RRM
1 V
RRM
2 4 6 10
TVJ=45°C
TVJ=150°C
t [ms]
1
10
10
10
2
3
4
As
2
Fig. 1 Forward current versus
voltage drop per diode
Fig. 2 Surge overload current
per diode IFSM: Crest value. t:
duration
Fig. 3 ∫i2dt versus time
(1-10ms) per diode (or thyristor)
80604020
0
50
100
150
200
250
300 85
90
95
100
105
110
115
120
125
130
135
140
145
150
TC
°C
DC
sin.180°
rec.120°
rec.60°
rec.30°
1.78
0.78
0.45
0.28
0.2 0.12 = RTHCA [K/W]
IFAVM [A] Tamb [K]
0 50 100 150
[W]
PVTOT
PSD 51
Fig. 4 Power dissipation versus direct output current and ambient
tem
p
erature
50 100 150 200
0
20
40
60
80
100
DC
sin.180°
rec.120°
rec.60°
rec.30°
T (°C)
C
I
dAV
[A]
Fig.5 Maximum forward current
at case tem
p
erature
0.01 0.1 1 10
1
2
K/W
Zth
t[s]
ZthJK
ZthJC
Fig. 6 Transient thermal impedance per diode (or Thyristor),
calculated
