參數(shù)資料
型號： ER421DDXM2-18A/SQ
廠商： TELEDYNE TECHNOLOGIES INC
元件分類： 射頻繼電器
英文描述： RF RELAY, SPDT, LATCHED, 0.019A (COIL), 18VDC (COIL), 290mW (COIL), 0.5A (CONTACT), 28VDC (CONTACT), THROUGH HOLE-STRAIGHT MOUNT
文件頁數(shù)： 2/6頁
文件大小： 5225K
代理商： ER421DDXM2-18A/SQ
2005 TELEDYNE RELAYS
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
421 Page 2
www.teledynerelays.com
421/1205/Q1
PERFORMANCE CURVES
(NOTE 2)
SERIES 421
GENERAL ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted) (Notes 2 & 3)
DETAILED ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted) (Note 3)
Contact Arrangement
1 Form C (SPDT)
Rated Duty
Continuous
Contact Resistance
0.125 ohm max. before life; 0.225 ohm max. after life at 0.5A/28Vdc (measured 1/8" from header)
Contact Load Ratings (DC)
(See Fig. 2 for other DC
resistive voltage/current ratings)
Resistive:
0.5 Amp/28Vdc
Inductive:
200 mA/28Vdc (320 mH)
Lamp:
100 mA/28Vdc
Low Level:
10 to 50 A/10 to 50mV
Contact Load Ratings (AC)
Resistive:
250 mA/115Vac, 60 and 400 Hz (Case not grounded)
100 mA/115Vac, 60 and 400 Hz (Case grounded)
Contact Life Ratings
10,000,000 cycles (typical) at low level
100,000 cycles min. at all other loads specified above
Contact Overload Rating
1A/28Vdc Resistive (100 cycles min.)
Contact Carry Rating
Contact factory
Coil Operating Power
290 milliwatts typical at nominal rated voltage @ 25°C
Operate Time
1.5 msec max. at nominal rated coil voltage
Contact Bounce
1.5 msec max.
Minimum Operate Pulse
4.5 msec width @ rated voltage
Intercontact Capacitance
0.4 pf typical
Insulation Resistance
10,000 megohms min. between mutually isolated terminals
Dielectric Strength
Atmospheric pressure: 500 Vrms/60Hz
70,000 ft.: 125 Vrms/60Hz
Negative Coil Transient (Vdc)
421D/421DD
1.0 max
Diode P.I.V. (Vdc)
421D/421DD
100 min.
BASE PART
NUMBERS
(See Note 8 for full P/N example)
421-5
421D-5
421DD-5
421-6
421D-6
421DD-6
421-9
421D-9
421DD-9
421-12
421D-12
421DD-12
421-18
421D-18
421DD-18
421-26
421D-26
421DD-26
Coil Voltage (Vdc)
Nom.
5.0
6.0
9.0
12.0
18.0
26.5
Max.
6.0
8.0
12.0
16.0
24.0
32.0
Coil Resistance
(Ohms ±10% @25°C)
421/421D
61
120
280
500
1130
2000
421DD (Note 4)
48
97
280
500
1130
2000
Coil Current (mAdc @25°C)
(421DD Series only)
Min.
78.0
45.8
25.7
19.6
13.4
11.2
Max.
111.8
63.0
34.9
26.7
18.8
15.2
Set & Reset Voltage
(Vdc, Max.)
421
3.5
4.5
6.8
9.0
13.5
18.0
421D
3.7
4.5
6.8
9.0
13.5
18.0
421DD
4.5
5.5
7.8
10.0
14.5
19.0
0
.1
.2
.3
.4
10
20
30
40
50
60
70
.01
0.5
.1
.5
1.0
FREQUENCY (GHz)
FIGURE 1
TYPICAL RF PERFORMANCE
ISOL
ATIO
N AC
ROS
S CO
NTAC
TS
1.92
1.22
1.07
1.02
1.01
1.00
V
S
W
R
300
250
200
150
100
50
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
LOAD CURRENT (AMPS DC)
FIGURE 2
TYPICAL DC CONTACT RATING (RESISTIVE)
L
O
A
D
V
O
L
T
A
G
E
(V
D
C
)
d
B
RETU
RN LO
SS (V
SWR)
INSERT
ION LO
SS
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