SE Digest 178
Legacy General Purpose Relays
General Purpose Relays
Refer to Catalog 8501CT1105
www.se.com/us
703781 and 703791 Socket Specifications Part Number 703781
703791
Contact Configuration Number of Terminals
4PDT
4PDT
14
14
Mounting Style Current Rating
Chassis
PCB
5A
5A
Nominal Voltage Rating
120V
120V
Storage
−40 to +105°C (−40 to +221°F) −40 to +55°C (−40 to +131°F)
−40 to +105°C (−40 to +221°F) −40 to +55°C (−40 to +131°F)
Temperature Range
Operating
Protection Category Internal Metal Tracks
—
—
Copper Alloy, Zinc Plated Copper Alloy, Zinc Plated
Copper Alloy, Zinc Plated Copper Alloy, Zinc Plated
Screw Terminals
Screw Style ScrewSize
— — —
— — —
Maximum Screw Torque Terminal Connection
Solder
PCB
Terminal Layout
Mix
Mix
Solid Copper (Output)
18 AWG, 0.8 mm²
—
Maximum Wire Size
Stranded Copper (Output)
18 AWG, 0.8 mm²
— — —
DIN Rail Mounting, EN 60715 Chassis Mount Screw Torque
35mm
7 lb-in (0.8 N•m)
23 RELAYS AND TIMERS
Flammability Rating
94V-0
94V-0
Weight
6.2 g (0.22 oz)
5.8 g (0.20 oz)
UL (E70550), CE, CSA (LR40787), RoHS
UL (E70550), CE, CSA (LR40787), RoHS
Agency Approvals
Dimensions, in, (mm)
(21.8) 0.86
0.44 (11.1)
(4.57) 0.18
0.375 (9.52)
0.10
(2.54)
0.105
0.145 (3.68)
0.10
(2.54)
(16.5) 0.65 (9.9) 0.39
Recommended Chassis Cutout Top View
0.16 dia. (4.06)
(25.7) 1.01
(28.5) 1.14
(1.98) 0.078
0.05
(0.381) 0.015
(1.27)
(21.5) 0.86
(4.06) 0.16
(17.7) 0.07
0.05
(1.27)
(11.1) 0.44
Ground Lug
(3.17) 0.125
(9.52) 0.375
(3.81) 0.15
(2.59) 0.102
(1.77) 0.07 dia.
703781
0.525 (13.3)
(11.17) 0.44
Recommended Circuit Board Layout Top View
0.35 (8.89)
0.375 (9.52)
0.75 (19.0)
0.16
0.175 (4.44)
(4.06)
(2.66) 0.105
(6.35) 0.25
(6.35) 0.25
0.015 (0.381)
0.145 (3.68) dia.
(2.4) 0.095
(25.4) 1.0
0.07 (1.78) dia. 14 places
(2.6) 0.102
0.12 (3.04)
(4.76) 0.1875
0.1 (2.5)
0.16 dia. (4.06)
(9.5) 0.375
0.674 (17.0)
Ground Lug
0.3
(1.52) 0.06
(7.82)
(2.03) 0.08
(11.1) 0.44
0.625 (15.8)
(1.54) 0.061
0.07 dia. (1.77) (3.81) 0.15
703791
23-33
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