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2270 SERIES REED RELAYS FOR 125ºC  
2270 Series Reed Relays  
Ideally suited to the needs of Automated Test Equipment and instrumentation requir-  
ing 125ºC operation. If your requirements differ, please consult your local representa-  
tive or Coto’s Factory.  
2270 Series Features  
2
u
Very small footprint (0.17 in ), high reliability reed relays  
12  
u
High Insulation Resistance - 10 Ω available with model 2274  
u
Long Life/High Reliability  
Hermetically sealed contacts for long life  
u
u
Epoxy coated steel shell provides magnetic shielding  
º
u
125 C Operating Temperature  
u
Specifically engineered for OEM designs and maintenance of existing  
production fixtures  
u
RoHS compliant  
DIMENSIONS  
in Inches (Millimeters)  
.810  
(20.57)  
.210  
(5.33)  
.225  
(5.72)  
.020  
(0.51)  
.500  
(12.7)  
.100  
.125  
(2.54)  
(3.18)  
.700  
.018 Dia. pins  
(0.46)  
(17.78)  
4
5
1 2  
3
6
8
7
Bottom View  
Ordering Information  
XXXX-XX-0X1  
Part Number  
Model Number  
Shielding Options2  
0=No Shielding (2271 only)  
2=Coaxial Shield (2274 only)  
2274  
2271  
Coil Voltage  
05=5 volts  
12=12 volts  
(401) 943.2686  
|
2274  
2271  
MODEL NUMBER  
Parameters  
Test Conditions  
Units  
1 Form A  
1 Form C  
COIL SPECS.  
Nom. Coil Voltage  
Coil Resistance  
VDC  
Ω
5
12  
5 12  
+/- 10%, 25° C  
Must Operate by  
Must Release by  
100 550  
2.5 6.7  
0.4 1.0  
100 550  
2.5 6.7  
0.4 1.0  
Operate Voltage  
Release Voltage  
VDC - Max.  
VDC - Min.  
CONTACT RATINGS  
Switching Voltage  
Switching Current  
Carry Current  
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  
Volts  
Amps  
200  
0.5  
1.0  
10  
100  
0.25  
0.5  
3
Amps  
Contact Rating  
Life Expectancy-Typical1  
Watts  
x 106 Ops.  
x 106 Ops.  
500  
5
100  
5
Rated Loads  
Static Contact  
Resistance (max. init.)  
50mV, 10mA  
Ω
Ω
0.100  
0.200  
0.150  
0.200  
Dynamic Contact  
Resistance (max. init.)  
0.5V, 50mA  
at 100 Hz, 1.5 msec  
RELAY SPECIFICATIONS  
Insulation Resistance  
(minimum)  
Between all Isolated Pins  
at 100V, 25°C, 40% RH  
Ω
1012  
1011  
Capacitance - Typical  
Across Open Contacts  
Shield Floating  
Shield Guarding  
pF  
pF  
0.9  
0.2  
0.9  
N/A  
Between Contacts  
Contacts to Coil  
Contacts/Shield to Coil  
VDC/peak AC  
VDC/peak AC  
VDC/peak AC  
250  
250  
1500  
200  
N/A  
1500  
Dielectric Strength  
(minimum)  
Operate Time -  
including bounce  
At Nominal Coil Voltage,  
30 Hz Square Wave  
msec.  
0.5 (typ.)  
0.1  
1.0 (typ.)  
2.0  
Release Time - Typical  
msec.  
5
6
4
3
Top View:  
5
6
4
3
Dot stamped on top of relay refers to pin #1 location  
Grid = .1”x.1” (2.54mm x 2.54mm)  
7
8
2
1
7
8
2
1
Notes:  
1
Consult factory for life expectancy at other switching loads.  
Model 2274, pins #6 & #7 are tied to coaxial shield.  
2
Environmental Ratings:  
Storage Temp: -35°C to +125°C; Operating Temp: -20°C to +125°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  
fax (401) 942.0920  
|
www.cotorelay.com  
COTO TECHNOLOGY, INC.