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參數(shù)資料
| 型號(hào)： | RA4890-D12 |
| 文件頁(yè)數(shù)： | 3/4頁(yè) |
| 文件大?。?/td> | 115K |
| 代理商： | RA4890-D12 |
Specifications are subject to change without notice (30.06.1999)
3
RA 60 50 -D 16, RA .. 90 -D .., RA .. 110 -D..
Heatsink Dimensions
(load current versus ambient temperature)
RA 60 50 -D 16
T
A
Ambient temp. [
°
C]
50
45
40
35
30
25
20
15
10
5
Power
dissipation [W]
Thermal resistance
[K/W]
Load
current [A]
0.92
0.76
0.60
0.45
0.29
-
63
1.2
0.99
0.80
0.62
0.44
0.26
55
1.5
1.3
1.1
0.85
0.63
0.42
47
1.9
1.6
1.4
1.1
0.89
0.63
40
2.4
2.1
1.8
1.5
1.2
0.91
33
3
2.7
2.3
1.9
1.5
1.1
26
3.9
3.5
3
2.5
2
1.5
20
5.5
4.8
4.1
3.4
2.7
2.1
15
8.6
7.5
6.4
5.4
4.3
3.2
9
17.9
20
15.6
30
13.4
40
11.2
50
8.9
60
6.7
70
4
RA .. 90 .. -D ..
T
A
Ambient temp. [
°
C]
0.63
0.53
0.42
0.32
-
-
97
0.81
0.69
0.57
0.45
0.33
-
84
1
0.89
0.75
0.61
0.47
0.33
71
1.3
1.2
1
0.83
0.66
0.49
59
1.7
1.5
1.3
1.1
0.85
0.64
47
2.2
1.9
1.7
1.4
1.1
0.83
36
3.1
2.7
2.3
1.9
1.5
1.2
26
4.8
4.2
3.6
3
2.4
1.8
17
10
20
8.8
30
7.5
40
6.3
50
5
3.8
70
8
60
90
80
70
60
50
40
30
20
10
Thermal resistance
[K/W]
Load
current [A]
Power
dissipation [W]
Applications
Heat flow
Heatsink
temperature
R
th
j-c
R
th
c-s
R
th
s-a
Junction
temperature
Case
temperature
Ambient
temperature
This relay is designed for use
in applications in which it is
exposed to high surge condi-
tions. Care must be taken to
ensure
proper
when the relay is to be used at
high sustained currents. Ade-
quate electrical connection
between relay terminals and
cable must be ensured.
heatsinking
Thermal characteristics
The thermal design of Solid
State Relays is very important.
Compare the value found in the load current versus tempera-
ture chart with the standard heatsink values and select the
heatsink with the next lower value.
Carlo Gavazzi Heatsink
(see Accessories)
No heatsink required
RHS 100 Assy
RHS 301 Assy
RHS 301 F Assy
Consult your distributor
Heatsink Selection
Thermal resistance
R
th s-a
> 12.5
K/W
3.0 K/W
0.8 K/W
0.25 K/W
< 0.25 K/W
R
th
c-s = case to heatsink
R
th
s-a = heatsink to ambient
Thermal resistance:
R
th
j-c = junction to case
RA.. 110-D ..
It is essential that the user
makes sure that cooling is ad-
equate and that the maximum
junction temperature of the
relay is not exceeded.
If the heatsink is placed in a
small closed room, control panel
or the like, the power dissipation
can cause the ambient tempe-
rature to rise. The heatsink is
to be calculated on the basis
of the ambient temperature and
the increase in temperature.
0.43
0.35
0.27
-
-
-
126
0.63
0.53
0.42
0.32
-
-
97
0.81
0.69
0.57
0.45
0.33
-
84
1
0.89
0.75
0.61
0.47
0.33
71
1.3
1.2
1
0.83
0.66
0.49
59
1.7
1.5
1.3
1.1
0.85
0.64
47
2.2
1.9
1.7
1.4
1.1
0.83
36
3.1
2.7
2.3
1.9
1.5
1.2
26
4.8
4.2
3.6
3
2.4
1.8
17
10
20
8.8
30
7.5
40
6.3
50
5
3.8
70
8
60
Thermal resistance
[K/W]
Load
current [A]
Power
dissipation [W]
T
A
Ambient temp. [
°
C]
110
90
80
70
60
50
40
30
20
10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RA4890-D12 | 制造商:Carlo Gavazzi 功能描述:Solid State Relay |
| RA4890-D12D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| RA4890HA12 | 制造商:Carlo Gavazzi 功能描述:SSR ZS 480V 90A 90-280VAC 制造商:Carlo Gavazzi 功能描述:SSR, PANEL MOUNT, 530VAC, 280V, 90A; Operating Voltage Min:42VAC; Operating Voltage Max:530VAC; Control Voltage DC Max:280VDC; Control Voltage AC Min:90VAC; Control Voltage AC Max:280VAC; Contact Configuration:SPST-NO 制造商:Carlo Gavazzi 功能描述:Relay SSR 280V AC/DC-IN 90A 530V AC-OUT 4-Pin |
| RA4890HD10 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| RA4890HD12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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