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2300 Series/Microminiature Reed Relays
MICROMINIATURE REED RELAYS M ULTIPOLE MICROMINIATURE REED RELAYS
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.
SERIES FEATURE 2300 SERIES FEATURE
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 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.
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, 25C, 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
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: 270C max; 10 sec. max The operate and release voltage and the coil resistance are specified at 25oC. 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
COTO TECHNOLOGY 55 Dupont Drive, Providence, RI 02907-3105 / (401) 943-2686 Fax (401) 942-0920

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