FM-461 EMI FILTER
1.75 TO 5 AMP
ABSOLUTE MAXIMUM RATINGS
Input Voltage
• 0 to 40 VDC continuous
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –55°C to +135°C
Isolation
• 100 megohm minimum at 500 V
• Any pin to case (except case pin)
EMI I
NPUT
F
ILTERS
DERATING
Input Voltage
Derate linearly from 100% at 85°C case to
the 33 VDC at 125°C case
Input Ripple Current
Derate linearly from 100% at 85°C case to
the following at 125°C case
270 mA rms FM-461
400 mA rms FMA-461
480 mA rms FMB-461
DC Input and Output Current
Derate linearly from 100% at 85°C case to
the following at 125°C case
750 mA FM-461
1.7 A FMA-461
1.7 A FMB-461
RECOMMENDED
OPERATING CONDITIONS
Input Voltage Range
• 0 to 40 VDC continuous
Case Operating Temperature (Tc)
• –55°C to +85°C full power
• –55°C to +125°C absolute
Electrical Characteristics: 25°C Tc, nominal Vin, unless otherwise specified.
FM-461
PARAMETER
INPUT VOLTAGE
INPUT CLAMPING
VOLTAGE
INPUT CURRENT
NOISE
REJECTION
DC RESISTANCE
(R
DC
)
CAPACITANCE
OUTPUT VOLTAGE
1
OUTPUT CURRENT
POWER
DISSIPATION
15 kHz - 50 MHz
STEADY STATE
ANY PIN TO CASE
STEADY STATE
STEADY STATE
MAX. CURRENT
—
—
—
—
1.75
1.3
—
—
1900
40
0.38
—
—
0.42
2200
—
0.07
3700
40
0.10
—
—
0.15
4400
—
0.07
6450
40
0.09
—
—
0.10
8000
dB
Ω
pF
VDC
—
—
—
—
5.0
2.5
A
W
CONDITION
CONTINUOUS
–55°C
+25°C
+125°C
DC
RIPPLE
MIN
0
38.9
42.3
44.9
—
—
TYP
28
43.2
47.0
49.9
—
—
MAX
40
47.5
51.7
54.8
1.75
0.67
MIN
0
38.9
42.3
44.9
—
—
FMA-461
TYP
28
43.2
47.0
49.9
—
—
MAX
40
47.5
51.7
54.8
3.8
1.0
MIN
0
38.9
42.3
44.9
—
—
FMB-461
TYP
28
43.2
47.0
49.9
—
—
MAX
40
47.5
51.7
54.8
5.0
1.2
A
A rms
VDC
UNITS
VDC
V
OUT
= V
IN
- I
IN
(R
DC
)
—
—
—
—
3.8
1.6
Note
1. Typical applications result in Vout within 2% of Vin.
469 H
Positive
Input
1000 pF
2.4 H
Positive
Output
x2
0.1 F
0.01 F
0.001 F
50
Input
Common
150
47 pF
Output
Common
4.7 F
FM-461
1000 pF
500 V
F
IGURE
1: S
CHEMATIC
B5-4
INTERPOINT [ INTERPOINT CORPORATION COMPANY ]
