CM1000, 1500, 2500, 3500 SERIES
HIGH CURRENT SILICON BRIDGE RECTIFIERS
VOLTAGE - 50 to 800 Volts CURRENT - 10 to 35 Amperes
Recongnized File #E111753
FEATURES
l
Electrically Isolated Metal Case for
Maximum Heat Dissipation
l
Surge Overload Ratings to 400
Amperes
l
These bridges are on the U/L
Recognized Products List for
currents of 10, 25 and 35 amperes
MECHANICAL DATA
Case: Metal, electrically isolated
Terminals: Plated .25” FASTON
or wire Lead
£r
40 mils
Weight: 1 ounce, 30 grams
Mounting position: Any
MACXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
¢J
ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
-00
-01
-02
-04
-06
-08
UNITS
Max Recurrent Peak Reverse Voltage
50
100
200
400
600
800
V
Max RMS Input Voltage
35
70
140
280
420
560
V
Max DC Blocking Voltage
50
100
200
400
600
800
V
CM10
10
A
CM15
15
A
CM25
25
A
Max Average Forward Current*
for Resistive Load
at TC=55
¢J
CM35
35
A
CM10
200
A
CM15
300
A
CM25
300
A
Non-repetitive
Peak Forward Surge Current at
Rated Load
CM35
400
A
CM10 5A
CM15 I
F
7.5A
CM25 12.5A
Max Forward Voltage
per Bridge Element at
Specified Current
CM35 17.5A
1.2
V
Max Reverse Leakage Current at Rated DC Blocking
Voltage
10
£g
A
CM10
CM15 / CM35
I
2
t Rating for fusing ( t < 8.3ms )
CM25
374 / 664
A
2
s
Typical Thermal Resistance (Fig. 3) R
£c
JC
2.5
¢J
/W
Operating Temperature Range T
J
Storage Temperature Range T
STG
-55 to +150
¢J
NOTES:
* Unit mounted on metal heat-sink
CM-25 CM-25W
RATING AND CHARACTERISTIC CURVES
CM1000 THRU CM3500
1000
100
10
1.0
.6
.8
1.0 1.2
1.4
1.6
1.8 2.0
VFM VOLTS PEAK
35
30
25
20
15
10
5
0
25 60 80
100 120
140 160
CM3500
CM2500
CM1500
CM1000
CASE TEMPERATURE T
C
¢J
Fig. 1-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS AT T
J
= 25
¢J
Fig. 2-OUTPUT CURRENT VS. CASE TEMPERATURE
RESISTIVE OR INDUCTIVE LOAD T
J
= 150
¢J
35
30
25
20
15
10
5
25
40 60 80 100
120 140 160 180
CM3500
CM2500
CM1500
CM1000
AMBIENT TEMPERATURE, T
A
¢J
80
60
40
30
20
15
10
8
6
4
0
5 10
15
20
25
30 35
AVERAGE OUTPUT CURRENT, AMPERES
Fig. 3-OUTPUT CURRENT VS. AMBIENT
TEMPERATURE RESISTIVE OR INDUCTIVE LOAD
BRIDGE MOUNTED ON A 8"×8" ALUMINUM PLATE 25"
THICK
Fig. 4-POWER DISSIPATION VS. AVERAGE OUTPUT
CURRENT RESISTIVE OR INDUCTI VE LOAD,
T
J
= 150
¢J
IF
M
A
M
P
E
R
E
S
P
E
A
K
A
V
E
R
A
G
E
O
U
T
P
U
T
C
U
R
R
E
N
T
,
A
M
P
E
R
5
E
S
A
V
E
R
A
G
E
O
U
T
P
U
T
C
U
R
R
E
N
T,
A
M
P
E
R
E
S
A
V
E
R
A
G
E
P
O
W
E
R
D
IS
S
IP
A
T
IO
N
O
F
B
R
ID
G
E
,
W
A
T
T
S