FMSA EMI FILTER
0.8 AMP
ABSOLUTE MAXIMUM RATINGS
Input Voltage
• 0 to 40 VDC continuous
• 80 V for 100 ms transient
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –65°C to +150°C
EMI I
NPUT
F
ILTERS
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
• 16 to 40 VDC continuous
Case Operating Temperature (Tc)
• –55°C to +125°C full power
Derating Input/Output Current
• Derate linearly from 100% at 100°C to 0.60
amps at 125°C case. Above 125°C derate to 0%.
TYPICAL CHARACTERISTICS
Capacitance
• 0.045 µF max, any pin to case
Isolation
• 100 megohm minimum at 500 V
• Any pin to case, except case pin
Electrical Characteristics: 25°C Tc, nominal Vin, unless otherwise specified.
PARAMETER
INPUT VOLTAGE
INPUT CURRENT
DIFFERENTIAL MODE
NOISE REJECTION
COMMON MODE
NOISE REJECTION
DC RESISTANCE (R
DC
)
OUTPUT VOLTAGE
OUTPUT CURRENT
INTERNAL POWER
DISSIPATION
CONDITIONS
CONTINUOUS
TRANSIENT, 100 ms
200 kHz
500 kHZ TO 50 MHz
2 MHz - 50 MHz
TC = 25°C
STEADY STATE
STEADY STATE (<100°C CASE)
MAXIMUM CURRENT
—
—
MIN
0
—
—
40
60
40
—
FMSA-461
TYP
28
—
—
—
—
—
—
V
OUT
= V
IN
- I
IN
(R
DC
)
—
—
0.80
0.96
MAX
40
80
0.80
—
—
—
1.2
UNITS
VDC
V
A
dB
dB
Ω
VDC
A
W
0.65
Positive
Input
20
6800 pF
500 V
>285 H
6 H
6 H
Positive
Output
x2
0.014 F / 500 V
2 F
20
Input
Common
6800 pF
500 V
2 F
x2
0.014 F / 500 V
Output
Common
0.014 F / 500 V
FMSA-461
The case ground connection between the filter and the converter should be as low an impedance as possible
to minimize EMI. Direct contact of baseplate to chassis ground provides the lowest impedance.
F
IGURE
1: S
CHEMATIC
– T
YPICAL
V
ALUES
®
2
CRANE [ Crane Aerospace & Electronics. ]
