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Dimension Inches Millimeters
A 2.087 53
B 1.705±0.008 43.3±0.2
C 1.417 36
D 1.299 33
E 0.866 22
F 0.551 14
G 0.354 9
H 0.315 8
J 0.276 7
K 0.217 5.5
L 0.217 Dia. Dia. 5.5
M 0.138 3.5
N 0.118 3
P M4 Metric M4
Description:
Powerex Fast Recovery Single
Diode Modules are designed for
use in applications requiring fast
switching.The modules are isolated for easy mounting with other
components on common
heatsinks. POW-R-BLOK™ has
been tested and recognized by
Underwriters Laboratories
(QQQX2 Power Switching
Semiconductors).
Features:
M Isolated Mounting
M Planar Chips
M UL Recognized A
Applications:
M Inverters
M Choppers
M Switching Power Supplies
M Free Wheeling
Ordering Information:
Select the complete eight digit
module part number you desire
from the table below.
Example: CS241250 is a
1200 Volt, 50 Ampere Fast
Recovery Single Diode Module.
Voltage Current Rating
Type Volts (x100) Amperes (50)
CS24 06 50
12
D-9
Powerex,Inc., 200 Hillis Street,Youngwood,Pennsylvania 15697-1800 (724) 925-7272
Fast Recovery Single
Diode Modules
50 Amperes/600-1200 Volts
CS240650
CS241250
Outline Drawing
CS240650, CS241250
Fast Recovery
Single Diode Modules
50 Amperes/600-1200 Volts
A
J
E
G
G
F
C
A
B
K
H
N
M M
D
AK
P - M4 THD (2 TYP.)
L - DIA.
A
K

D-10
Powerex,Inc., 200 Hillis Street,Youngwood,Pennsylvania 15697-1800 (724) 925-7272
CS240650, CS241250
Fast Recovery Single Diode Modules
50 Amperes/600-1200 Volts
Absolute Maximum Ratings
Characteristics Symbol CS240650 CS241250 Units
Peak Reverse Blocking Voltage V
RRM
600 1200 Volts
Transient Peak Reverse Blocking Voltage (Non-Repetitive), t < 5ms V
RSM
720 1350 Volts
DC Reverse Blocking Voltage V
R(DC)
480 960 Volts
DC Current, TC= 105°C I
F(DC)
50 50 Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (60Hz) I
FSM
1000 1000 Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (50Hz) I
FSM
910 910 Amperes
I2t (for Fusing), 8.3 milliseconds I2t 4165 4165 A2sec
Storage Temperature T
STG
-40 to 125 -40 to 125 °C
Operating Temperature T
j
-40 to 150 -40 to 150 °C
Maximum Mounting Torque M5 Mounting Screw — 17 17 in.-lb.
Maximum Mounting Torque M4 Ter minal Screw — 12 12 in.-lb.
Module Weight (Typical) — 90 90 Grams
V Isolation V
RMS
2500 2500 Volts

D-11
Powerex,Inc., 200 Hillis Street,Youngwood,Pennsylvania 15697-1800 (724) 925-7272
CS240650, CS241250
Fast Recovery Single Diode Modules
50 Amperes/600-1200 Volts
Electrical and Thermal Characteristics, Tj= 25°C unless otherwise specified
Characteristics Symbol Test Conditions CS240650/CS241250 Units
Blocking State Maximums
Reverse Leakage Current, Peak I
RRM
Tj= 150°C, V
RRM
= Rated 10 mA
Conducting State Maximums
Peak On-State Voltage V
FM
IFM= 50A 1.5 Volts
Switching Minimums
Reverse Recovery Time t
rr
IFM= 50A, Tj= 150°C 0.8 ms
di/dt =-200A/ms, VR= 1/2 V
RRM
Reverse Recovery Charge Q
rr
IFM= 50A, Tj= 150°C 30 mC
di/dt =-200A/ms, VR= 1/2 V
RRM
Thermal Maximums
Thermal Resistance, Junction-to-Case R
u(J-C)
Per Module 0.6 °C/Watt
Thermal Resistance, Case-to-Sink (Lubricated) R
u(C-S)
Per Module 0.4 °C/Watt

D-12
Powerex,Inc., 200 Hillis Street,Youngwood,Pennsylvania 15697-1800 (724) 925-7272
CS240650, CS241250
Fast Recovery Single Diode Modules
50 Amperes/600-1200 Volts
INSTANTANEOUS ON-STATE CURRENT, IFM,
(AMPERES)
MAXIMUM
ON-STATE CHARACTERISTICS
10
0
10
1
10
2
10
3
INSTANTANEOUS ON-STATE VOLTAGE, V
FM
, (VOLTS)
0.6
1.0
1.4
1.8
2.2
2.6
Tj = 25oC
CYCLES AT 60 HZ
MAXIMUM PEAK SURGE (NON-REPETITIVE)
CURRENT, I
FSM
, (AMPERES)
MAXIMUM ALLOWABLE PEAK SURGE
(NON-REPETITIVE) CURRENT
0
200
400
600
800
1000
10
0
10
1
10
2
MAXIMUM
ALLOWABLE CASE TEMPERATURE
AVERAGE ON-STATE CURRENT, I
F(AV)
,
(AMPERES)
MAXIMUM ALLOWABLE CASE TEMPERATURE, T
C
, (
o
C)
05010DC20 30 40
100
110
120
130
140
150
MAXIMUM
ON-STATE POWER DISSIPATION
AVERAGE ON-STATE CURRENT, I
F(AV)
,
(AMPERES)
MAXIMUM POWER DISSIPATION, P
AV(MAX)
, (WATTS)
0503010 20 40
0
20
40
60
80
100
INSTANTANEOUS ON-STATE CURRENT, IFM,
(AMPERES)
REVERSE RECOVERY
CHARACTERISTICS
I
rr
, (AMPERES), Q
rr
, (µC)
10
1
10
2
I
rr
10
0
10
1
10
3
10
-1
10
2
10
0
10
-1
t
rr
, (µs)
VR = 600V
di/dt = -100A/µs
Q
rr
t
rr
10
0
10
1
10
2
Tj = 25oC
T
j
= 150oC
TIME, t, (SECONDS)
TRANSIENT THERMAL IMPEDANCE
CHARACTERISTICS (JUNCTION-TO-CASE)
0
0.2
0.4
0.6
0.8
1.0
TRANSIENT THERMAL IMPEDANCE, Z
u(J-C)
(t), (
o
C/WATT)
10
0
10
1
10
-3
10
-2
10
-1
10
0