MODEL NUMBER
Parameters
Test Conditions
Units
29042
1 Form A
COIL SPECS.
Nom. Coil Voltage
Coil Resistance
Operate Voltage
Release Voltage
CONTACT RATINGS
Switching Voltage
Switching Current
Carry Current
Contact Rating
Life Expectancy-Typical1
Static Contact
Resistance (max. init.)
Dynamic Contact
Resistance (max. init.)
RELAY SPECIFICATIONS
Insulation Resistance
(minimum)
Capacitance - Typical
Across Open Contacts
Dielectric Strength
(minimum)
Operate Time - including
bounce - Typical
Release Time - Typical
+/- 10%, 25° C
Must Operate by
Must Release by
VDC
Ω
VDC - Max.
VDC - Min.
Max DC/Peak AC Resist.
Max DC/Peak AC Resist.
Max DC/Peak AC Resist.
Max DC/Peak AC Resist.
Signal Level 1.0V, 10mA
50mV, 10mA
0.5V, 50mA
at 100 Hz, 1.5 msec
Volts
Amps
Amps
Watts
x 106 Ops.
Ω
Ω
Between all Isolated Pins
at 100V, 25°C, 40% RH
Shield Floating
Shield Guarding
Between Contacts
Contacts to Coil
Contacts/Shield to Coil
At Nominal Coil Voltage,
30 Hz Square Wave
Ω
pF
pF
VDC/peak AC
VDC/peak AC
VDC/peak AC
msec.
msec.
Top View:
Grid = .1”x.1” (2.54mm x 2.54mm)
5 12
370 1500
3.8 9.0
0.4 1.0
200
0.5
1.5
10
500
0.100
0.200
1012
1.0
0.3
350
350
1500
0.5
0.1
5
4
6
3
7
2
8
1
29112
1 Form C
29202,3
1Form A
Hg Wetted
5 12
230 1500
3.8 9.0
0.4 1.0
150
0.25
1.0
3
100
0.150
0.200
5 12
75 250
3.8 9.0
0.4 1.0
500
1.0
2.0
50
1000
0.075
0.100
1011
2.0
1.0
200
200
1500
1.0
2.0
5
4
6
3
7
2
8
1
1010
1.4
0.2
1000
1000
1500
1.5
1.0
5
4
6
3
UP
7
2
8
1
Notes:
1 Consult factory for life expectancy at other switching loads.
2 Model 2904, 2911 and 2920, pin #7 is tied to optional electrostatic shield, pins #6 & #7 are tied to optional coaxial shield.
3 Model 2920 has Hg wetted contacts - position sensitive, must be mounted within 30° of vertical plane. See schematic.
Hg Content per capsule: Form A, 0.04 grams.
Environmental Ratings:
Storage Temp: -35°C to +100°C; Operating Temp: -20°C to +85°C; Solder Temp: 270°C max; 10 sec. max
All electrical parameters measured at 25°C unless otherwise specified.
Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s
For most recent data visit www.cotorelay.com
COTO TECHNOLOGY, INC.
07082013