参数资料
型号: FM-704A/883
厂商: CRANE ELECTRONICS INC
元件分类: 数据传输滤波器
英文描述: EMI INPUT FILTER AND TRANSIENT SUPPRESSION MODULE, 28 VOLT INPUT
中文描述: 1 FUNCTIONS, 28 V, 2.5 A, DATA LINE FILTER MODULE
文件页数: 2/9页
文件大小: 193K
代理商: FM-704A/883
FM-704A EMI Input Filter and Transient Suppression Module
Crane Aerospace & Electronics Power Solutions
Page 2 of 9
Rev B - 20060508
www.craneae.com
28 VOLT INPUT – 40 WATT
OPERATING CONDITIONS AND CHARACTERISTICS
Input Voltage Range
16 to 40 VDC continuous for 40 W load
Lead Soldering Temperature (10 sec per pin)
300°C
Storage Temperature Range (Case)
–65°C to +150°C
Case Operating Temperature (Tc)
–55°C to +125°C full power
Derating Output Power/Current
Linearly from 40 W at 105°C to 25 W at 125°C to meet
MIL-STD-1275A (AT) and MIL-STD-704A
Capacitance
0.017 μF max, any pin to case
Undervoltage lockout
7 VDC min, 15 VDC max
Isolation
100 megohm minimum at 500 V
Any pin to case, except case pin
Inhibit Pin Voltage (unit enabled)
5.5 V max
MECHANICAL AND ENVIRONMENTAL
Size (maximum)
2.910 x 1.125 x 0.400 inches (73.91 x 28.58 x 10.16 mm)
See case K1 for dimensions.
Weight (maximum)
40 grams typical
Screening
Standard, ES, or 883 (Class H). See “883, Class H, QML Products – Element
Evaluation” and “883, Class H, QML Products – Environmental Screening” for
more information.
0.068
F
Positive
Input
Common
Positive
Output
Common
FM-704A
3.6
H
6
F
25
3.6
H
6
F
3300
pF
15
3300 pF / 500V
390
H
Inhibit
Oscillator
3300 pF
500V
6600 pF
500V
Case
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.
FIGURE 1: SCHEMATIC – TYPICAL VALUES
INHIBIT TTL OPEN COLLECTOR
Logic low (output disabled)
Logic low voltage ≤0.8 V
Logic low inhibit pin current 0.6 mA max
Referenced to input common
Logic high (output enabled)
Open collector
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