DESCRIPTION:
The CENTRAL SEMICONDUCTOR CMHD457A,
CMHD459A types are silicon planar diodes,
epoxy molded in a SOD-123 surface mount
package, designed for low leakage applications.
MARKING CODE:
CMHD457A: C7A
CMHD459A: C9A
MAXIMUM RATINGS: (TA=25C)
SYMBOL
CMHD457A
CMHD459A
UNITS
Peak Repetitive Reverse Voltage
VRRM
70
200
V
Peak Working Reverse Voltage
VRWM
60
175
V
Average Forward Current
IO
200
mA
Forward Steady-State Current
IF
500
mA
Peak Forward Surge Current (1.0s pulse)
IFSM
4.0
A
Power Dissipation
PD
400
mW
Operating and Storage
Junction Temperature
TJ,Tstg
-65 to +150
C
Thermal Resistance
JA
312.5
C/W
ELECTRICAL CHARACTERISTICS: (TA=25C unless otherwise noted)
CMHD457A
CMHD459A
SYMBOL
TEST CONDITIONS
MIN MAX
MIN MAX
UNITS
BVR
IR=100A
70
200
V
IR
VR=Rated VRWM
25
25
nA
IR
VR=Rated VRWM, TA=150C
5.0
5.0
A
VF
IF=100mA
1.0
1.0
V
CT
VR=0, f=1.0MHz
6.0
6.0
pF
CMHD457A
CMHD459A
SURFACE MOUNT
LOW LEAKAGE SILICON DIODE
SOD-123 CASE
Central
Semiconductor Corp.
TM
R0 (11-August 2004)
Central
Semiconductor Corp.
TM
SOD-123 - MECHANICAL OUTLINE
CMHD457A
CMHD459A
SURFACE MOUNT
LOW LEAKAGE SILICON DIODE
R0 (11-August 2004)
MARKING CODE
CMHD457A: C7A
CMHD459A: C9A
LEAD CODE
1) Cathode
2) Anode
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