Catalog 1308242
Issued 3-03
Output Specification (@ 25°C, unless otherwise specified)
SSRT-240A10
P&B
SSRT-240A25
Parameter
Load Voltage Range V L
Repetitive Blocking Voltage (Min.)
Load Current Range I L *
Single Cycle Surge Current (Min.)
Leakage Current (Off-State) (Max.)
On-State Voltage Drop (Max.)
Static dv/dt (Off-State) (Min.)
Thermal Resistance, Junction to Case
(R θ j-c ) (Max.)
Conditions
Resistive
f = 60 Hz. V L = Nom.
(120 or 240 V rms)
I L = Max.
Units
V rms
V peak
A rms
A peak
mA rms
V peak
V/ μ s
° C/W
& SSRT-240D10
.1 - 10
100
1.5
2.2
24 - 280
- 600
.1
500
& SSRT-240D25
.1 - 25
250
1.3
1.7
Turn-On Time (Max.)
Turn-Off Time (Max.)
f = 60 Hz.
f = 60 Hz.
ms
ms
8.3 for DC input types, 20 for AC input types
8.3 for DC input types, 30 for AC input types
I t Rating
A Sec.
2
Load Power Factor Rating
t = 8.3 ms
I L = Max.
2
41
0.5 - 1.0
240
*See Derating Curves
Electrical Characteristics (Thermal Derating Curves)
10A Units
25A Units
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.
Operating Diagrams
-4
1
4
1
CONSTANT
CURRENT
DC INPUT
+3
EQUIVALENT CIRCUIT ONLY
ZERO
VOLTAGE
CIRCUIT
OUTPUT
2
AC INPUT
3
+
EQUIVALENT CIRCUIT ONLY
ZERO
VOLTAGE
CIRCUIT
OUTPUT
2
Outline Dimensions
1.850
(47.0)
1.700
(43.18)
LED INDICATOR
.870
(22.1)
.875
(22.23)
1.000
(25.4)
1.100
.470 (27.94)
(11.9)
1.750
(44.45)
2.250
(57.15)
.785
(19.94)
.250
(6.35)
Dimensions are shown for
Dimensions are in inches over
Specifications and availability
www.tycoelectronics.com
reference purposes only.
(millimeters) unless otherwise
specified.
subject to change.
Technical support:
Refer to inside back cover.
1103
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