2300 Series/Microminiature Reed Relays
M
ULTIPOLE
M
ICROMINIATURE
R
EED
R
ELAYS
The Coto 2300 series was designed to offer the densest packaging
available in a multipole reed relay. The size and footprint of the 2300
series compliment the 2200 and 2900 series microminiature relays.
The 1 Form C model is constructed with individual switch capsules for
the normally open and magnetically biased normally closed contacts
which are more reliable than the spring actuated 1 Form C reed switches.
Custom pin-outs as well as custom designs are available to meet
particular applications. Special designs include 1 Form B, 2 Form B,
latching, and high voltage relays.
2300 S
ERIES
F
EATURE
u
u
u
u
u
u
Smallest Multipole Relay: 0.056 sq. inches/pole (3 pole relay)
Up to 3 Form A or 2 Form C Contacts
Hermetically Sealed Contacts
Long Life / High Reliability
Magnetically Shielding Steel Shell
Optional Electrostatic Shield (on most models)
Dimensions in Inches (Millimeters)
Bottom
View
8
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2300 Series/Microminiature Reed Relays
Model Number
Parameters
COIL SPECS.
Nom. Coil Voltage
Coil Resistance
Operate Voltage
Release Voltage
CONTACT RATINGS
Switching Voltage
Switching Current
Carry Current
Contact Rating
Life Expectancy-Typical
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
1
Test Conditions
Units
2332
2 Form A
2333
3 Form A
2341
3,5
1 Form C
2342
2 Form C
+/- 10%, 25° C
Must Operate by
Must Release by
VDC
Ω
VDC - Max.
VDC - Min.
5
12
175 1000
3.8 9.0
0.4 1.0
5
12
175 1000
3.8 9.0
0.4 1.0
5
12
230 1000
3.8 9.0
0.4 1.0
5
12
175 1000
3.8 9.0
0.4 1.0
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 10 Ops.
Ω
Ω
6
200
0.5
1.5
10
500
0.150
0.200
200
0.5
1.5
10
500
0.150
0.200
200
0.5
1.5
10
500
0.150
0.200
100
0.25
0.5
3
100
0.200
0.250
Between all Isolated Pins
at 100V, 25°C, 40% RH
No Shield
Shield Guarded
Between Contacts
Contacts to Shield
Contacts/Shield to Coil
At Nominal Coil Voltage,
30 Hz Square Wave
Zener-Diode Suppression
2
Ω
pF
pF
VDC/peak AC
VDC/peak AC
VDC/peak AC
msec.
msec.
x
10
12
x
10
12
x
10
12
x
10
9
0.8
0.2
250
1000
1000
0.5
0.15
0.8
N/A
250
N/A
1000
0.5
0.15
1.7
0.7
250
1000
1000
0.5
0.5
2.0
N/A
200
N/A
1000
1.5
2.0
Top View
4
:
Dot stamped on top of relay refers to pin #1 location
Grid = .1"x.1" (2.54mm x 2.54mm)
Notes:
1
2
Consult factory for life expectancy at other switching loads.
Release time is specified with a zener diode suppression
circuit consisting of a 20 V zener diode in series with a
1N4148, connected in parallel with the coil.
3
Break-before-make action on Form C Model 2341 is not
guaranteed.
Consult factory if break-before-make is required.
4
Electrostatic shield is connected to pin #6. Coaxial shield is
connected to pins #6 and #7.
5
This relay is polarity sensitive. Pin #3 MUST be positive.
Environmental Ratings
Storage Temp: -35 °C to + 100 °C;
Operating Temp: -20 °C to + 85 °C
Solder Temp: 270°C max; 10 sec. max
The operate and release voltage and the coil resistance
are specified at 25
o
C. These values vary by approximately
0.4% / °C as the ambient temperature varies.
Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s
9
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