Notes:
1
Consult factory for life expectancy at other switching loads.
2
Model 3660: Reed switch between pins #9 & #10 is not low thermal and is tied in
common with the electrostatic shield.
3
Model 3650: Reed switch between pins #3 & #4 is not low thermal and is not tied
in common with the electrostatic shield. Pin numbers for reference only.
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
3602 3650
3
3660
2
Parameters Test Conditions Units 2 Form A 3 Form A 3 Form A
Thermal EMF Options
Measured after
5 minutes at nominal
coil voltage
(Refer to Reed Relay
Technical Section for details)
µV
Individual
<5µV
<3µV
<1µV
<0.5µV
Dierential
<5µV
<3µV
<1µV
<0.5µV
Dierential
<5µV
<3µV
<1µV
<0.5µV
COIL SPECS.
Nom. Coil Voltage VDC 5 12 5 12 5 12
Coil Resistance +/- 10%, 25° C
Ω
350 2000 350 2000 350 2000
Operate Voltage Must Operate by VDC - Max. 3.8 9.0 3.8 9.0 3.8 9.0
Release Voltage Must Release by VDC - Min. 0.4 1.0 0.4 1.0 0.4 1.0
CONTACT RATINGS
Switching Voltage Max DC/Peak AC Resist. Volts 150 150 150
Switching Current Max DC/Peak AC Resist. Amps 0.25 0.25 0.25
Carry Current Max DC/Peak AC Resist. Amps 1.5 1.5 1.5
Contact Rating Max DC/Peak AC Resist. Watts 5 5 5
Life Expectancy-Typical
1
Signal Level 1.0V, 10mA x 10
6
Ops. 500 500 500
Static Contact
Resistance (max. init.)
50mV, 10mA
Ω
0.100 0.100 0.100
Dynamic Contact
Resistance (max. init.)
0.5V, 50mA
at 100 Hz, 1.5 msec
Ω
0.200 0.200 0.200
RELAY SPECIFICATIONS
Insulation Resistance
(minimum)
Between all Isolated Pins
at 100V, 25°C, 40% RH
Ω
10
12
10
12
10
12
Capacitance - Typical
Across Open Contacts
Contact to Shield
Shield Floating
Shield Guarding
Contacts Open
Shield & Coil Tied Common
pF
pF
pF
pF
1.2
0.2
2.5
2.5
1.2
0.2
2.5
2.5
1.2
0.2
2.5
2.5
Dielectric Strength
(minimum)
Between Contacts
Contacts to Shield
Contacts/Shield to Coil
VDC/peak AC
VDC/peak AC
VDC/peak AC
250
1000
1500
250
1000
1500
250
1000
1500
Operate Time - including
bounce - Typical
At Nominal Coil Voltage,
30 Hz Square Wave
msec. 0.75 0.75 0.75
Release Time - Typical msec.
0.1 0.1 0.1
Top View:
Grid = .1”x.1” (2.54mm x 2.54mm)
07082013
