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参数资料
| 型号： | SSRQ-240D20 |
| 元件分类： | 继电器，输入/输出模块 |
| 英文描述： | TRIGGER OUTPUT SOLID STATE RELAY, 2500 V ISOLATION-MAX |
| 封装： | PLASTIC PACKAGE-13 |
| 文件页数： | 2/2页 |
| 文件大小： | 126K |
| 代理商： | SSRQ-240D20 |
1109
P&B
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Catalog 1308242
Issued 3-03
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
-(B)
OUTPUT C
B1
B2
OUTPUT A
EQUIVALENT CIRCUIT ONLY
ZERO
VOLTAGE
CIRCUIT
ZERO
VOLTAGE
CIRCUIT
ZERO
VOLTAGE
CIRCUIT
ZERO
VOLTAGE
CIRCUIT
OUTPUT D
OUTPUT B
A1
A2
D1
D2
C1
C2
Random Turn-On Units Have A Random Turn-On Circuit Instead Of A Zero Voltage Circuit
-(A)
-(D)
-(C)
+
COMMON
A1
MTNG HOLE / SLOT 2 PLCS.
.170 (4.3) DIA.
2.3
(58.4)
1.75
(44.45)
.250 (6.35)
Q.C. TERMS
8 PLACES
.025 (.635) SQ. PINS
ON .100 (2.54) CENTERS
A1
C1
C2
B1
B2
D1
D2
DC SEC. A –
DC SEC. B –
– DC SEC. C
+ DC COMM
– DC SEC. D
1.125
(28.57)
1.87
(47.5)
.85
(21.6)
A2
.375
(9.5)
Outline Dimensions
Input Terminals mate with the following
connectors or equivalent:
AMP P/N: 103976-4
Consult your local distributor for connectors.
Operating Diagram
Electrical Characteristics (Thermal Derating Curves)
*See Thermal Derating Curves. Note: While each output section is rated for a maximum of 20A, the maximum output per package is 60A.
Parameter
Conditions
Units
Load Voltage Range V
Repetitive Blocking Voltage (Min.)
Thermal Resistance, Junction to Case (R
) (Max.)
I t Rating
A Sec.
V rms
V/
s
ms
Turn-Off Time (Max.)
I = Max.
2
Turn-On Time (Max.)
L
24-280
Single Cycle Surge Current (Min.)
Load Current Range I *
Leakage Current (Off-State) (Max.)
Static dv/dt (Off-State) (Min.)
Load Power Factor Rating
L
t = 8.3 ms
2
f = 60 Hz.
I = Max.
L
f = 60 Hz. V = 280Vrms
V peak
A rms
A peak
mA rms
On-State Voltage Drop (Max.)
V peak
8.3 for Zero Voltage Turn-On Models
0.1 for Random Voltage Turn-On Models
250
.15-20
+
- 600
260
J-C
10
1.6
200
1.2
8.3
°C/W
L
All Sections On
0.5 - 1.0
θ
Resistive
V = 280Vrms
L
Output Specifications (@ 25° C, unless otherwise specified)
Heatsink Recommendations
We recommend that solid state relay modules be
mounted to a heatsink sufficient to maintain the
module’s base temperature at less than 85°C under
worst case ambient temperature and load conditions.
The heatsink mounting surface should be a smooth
(30-40 micro-inch finish), flat (30-40 micro-inch
flatness across mating area), un-painted surface which
is clean and free of oxidation.
An even coating of thermal compound (Dow Corning
DC340 or equivalent) should be applied to both the
heatsink and module mounting surfaces and spread to
a uniform depth of .002” to eliminate all air pockets.
The module should be mounted to the heatsink using
two #10 screws.
Loads Current (A rms)
Power
Dissipation
(Watts)
0
15
30
45
60 0
20
40
60
80
90
80
40
60
20
105
75
Ambient Temp. (
°C)
Max.
Allowable
Base
Temperature
(
°C)
0.25
°C
/W
0.5
°C
/W
1°C
/W
2
°C
/W
3
°C/W
Example #2:
Given: SSRQ24020
Find: Maximum rating mounting to 1.0°C/W HS @ 60°C All
sections ON
Solution: From Thermal Dissipation Graph
Rating mounted to 1.0°C/W HS @ 60°C = 36A total
9A for 4 Sections ON = 36A total
12A for 3 Sections ON = 36A total
Example #1:
Given: IL = Four 7.5A loads @ 60°C
Find: Minimum heatsink required
Solution: From Thermal Dissipation Graph
4 x 7.5A = 30A 4 sections ON
Heatsink = 2°C/W minimum
How To Use These Curves
Knowing maximum load current and maximum ambient temperature, use derating curves to determine required heat sink and maximum allowable base plate
temperature. On left hand power dissipation curve, locate the point corresponding to maximum load current. Extend a line to the right from that point to the
intersection of vertical line on right hand chart corresponding to maximum ambient temperature. From heat sink curve, read directly or extrapolate required heat
sink size. Extend the line farther to the right and read on the right hand scale the maximum allowable base plate temperature.
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