COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com
Notes:
1 Consult factory for life expectancy at other switching loads.
2 Optional diode is connected to pin #3(+) and pin #5(-). Correct coil polarity must be observed.
3 Switch current limited to 1.0mA @ 1000V.
4
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 specied.
Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com
MODEL NUMBER 91042
Parameters Test Conditions Units 4 Pin SIP
COIL SPECS.
Nom. Coil Voltage VDC 512 512
Max. Coil Voltage VDC 6.5 15.0 6.5 15.0
Coil Resistance +/- 10%, 25° C Ω175 500 140 500
Operate Voltage Must Operate by VDC - Max. 3.75 9.0 3.75 9.0
Release Voltage Must Release by VDC - Min. 0.5 1.0 0.5 1.0
CONTACT RATINGS
Switching Voltage3Max DC/Peak AC Resist. Volts 1000
Switching Current Max DC/Peak AC Resist. Amps 0.5
Carry Current Max DC/Peak AC Resist. Amps 1.3
Contact Rating Max DC/Peak AC Resist. Watts 10
Life Expectancy-Typical1Signal Level 1.0V, 10mA x 106 Ops. 300
Static Contact
Resistance (max. init.) 50mV, 10mA Ω0.150
Dynamic Contact
Resistance (max. init.)
0.5V, 50mA
at 100 Hz, 1.5 msec Ω0.200
RELAY SPECIFICATIONS
Insulation Resistance
(minimum)
Between all Isolated Pins
at 100V, 25°C, 40% RH Ω1011
Capacitance - Typical
Across Open Contacts No Shield pF 1.0
Open Contact to Coil No Shield pF -
Dielectric Strength4
(minimum)
Between Contacts
Contacts/Shield to Coil
VDC/peak AC
VDC/peak AC
2000 / 3000
2000 / 3000
4000
4000
Operate Time -
including bounce - Typical
At Nominal Coil Voltage,
30 Hz Square Wave msec. 0.75
Release Time - Typical msec. 0.5
Top View:
Dot stamped on top of relay refers to pin #1 location
Grid = .1”x.1” (2.54mm x 2.54mm)
08242018
Dielectric Strength 9104-XX-1X 9104-XX-3X 9104-XX-4X
VDC/peak AC 2000/3000 3000/3000 4000/4000