CN18A - CN18M
PRV : 50 - 1000 Volts
Io : 18 Amperes
CELL RECTIFIER DIODES
C18A
6.20
5.47
FEATURES :
*
*
*
*
*
*
*
High current capability
High surge current capability
High reliability
Low reverse current
Low forward voltage drop
Chip form
Pb / RoHS Free
ANODE
1.43
CATHODE
0.38
0.51
Dimensions in millimeter
MECHANICAL DATA :
* Case : C18A
* Terminals : Solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Cathode to bigger size slug, For
Anode to bigger size slug use "R" suffix.
* Mounting position : Any
* Weight : 0.29 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current Tc = 75°C
Peak Forward Surge Current Single half sine wave
superimposed on rated load (JEDEC Method)
Maximum Forward Voltage at I
F
= 18 Amps.
Maximum DC Reverse Current
at rated DC Blocking Voltage
Ta = 25
°C
Ta = 100
°C
SYMBOL
CN18A CN18B CN18D CN18G CN18J CN18K CN18M
UNIT
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
I
R(H)
C
J
R
θ
JC
T
J
T
STG
50
35
50
100
70
100
200
140
200
400
280
400
18
400
1.1
5.0
1.0
300
10
- 65 to + 175
- 65 to + 175
600
420
600
800
560
800
1000
700
1000
V
V
V
A
A
V
µA
mA
pF
°C/W
°C
°C
Typical Junction Capacitance (Note 1)
Thermal Resistance, Junction to Case
Junction Temperature Range
Storage Temperature Range
Note
: (1) Measured at 1.0 MHz and applied reverse Voltage of 4.0 V
DC
Page 1 of 2
Rev. 02 : March 24, 2005
RATING AND CHARACTERISTIC CURVES ( CN18A - CN18M )
FIG.1 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
20
400
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
CURRENT, AMPERES
Ta = 25
°C
16
320
12
24
8
160
4
80
0
0
25
50
75
100
125
150
175
0
1
2
4
6
10
20
40
60
100
CASE TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
200
100
FIG 4 . - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
2000
1000
500
FORWARD CURRENT, AMPERES
T
J
= 25
°C
10
100
50
1.0
Pulse Width = 300
µs
2% Duty Cycle
T
J
= 25
°C
f = 1.0 MHz
Vsig = 50mVp-p
1
2
4
10
20
40
100
10
REVERSE VOLTAGE, VOLTS
0.1
FIG. 5 - TYPICAL REVERSE CHARACTERISTICS
0.01
0.4
10
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
REVERSE CURRENT,
MICROAMPERES
FORWARD VOLTAGE, VOLTS
Ta = 100
°C
1.0
0.1
Ta = 25
°C
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED REVERSE
VOLTAGE, (%)
Page 2 of 2
Rev. 02 : March 24, 2005
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