Dyad
®
SRC
DEVICES
FR2
Features
•
Small size
•
SMT-compatible
•
Easily formed leads
•
Sputtered ruthenium contacts
•
Hermetically sealed contacts
•
Fast switching speed — up to 500Hz
•
Wide range of available magnetic sensitivities
Description
SRC Devices DYAD
®
dry reed switches are ideally suited
for small switching signal applications. This switch has
sputtered ruthenium contacts and an extraordinary seal
strength, achieved by a patented laser sealing of the glass.
In low level or dry switching environments, both switches
typically provide >1 billion operations. The switches have
hermetically sealed contacts and offer a wide range of
available magnetic sensitivities.
Applications
•
Security
•
Proximity sensing
•
Smoke alarms
•
Automotive
•
Level sensor
•
Lamp current sensor
•
Relays
Ordering Information
A complete part number is represented by the digits to the right. For example, FR2S1030 is a
DYAD
®
with a minimum operate value of 10 and a maximum of 30. Refer to the switch operating
specification charts for available ranges. Special ranges are available upon request.
FR2 S XX XX
Minimum Operate Value (NI)
Maximum Operate Value (NI)
Surface Mount Dyad
Refer to operating characteristics table for complete part number.
Approvals
•
UL listed
DYAD
®
Part #
FR2S1015
FR2S1020
FR2S1030
FR2S1520
FR2S1525
FR2S2025
Operate Range (NI)
1
10 to 15
10 to 20
10 to 30
15 to 20
15 to 25
20 to 25
Standard Test Coil
The magnetic force (expressed in NI, AT or Ampere Turns) required to cause the reed switch contacts to
close is called the pull-in or operate value.
FR2
Part #
Coil definition
Coil resistance
Number of turns
Wire size (nom. diameter)
Bobbin diameter (inside coil)
Winding length
(1)
Coil - 1
NARM1 CTC01
1200Ω
5,000
0.0399mm (AWG 46)
3.96mm
10.4mm
DYAD
®
Surface Mount
Part #
FR2024
FR2259
FR2282
FR2025
FR2249
FR2026
1
2
Operate Range (NI)
1,2,3
10 to 15
10 to 20
10 to 30
15 to 20
15 to 25
20 to 25
Consult factory for test procedure.
The reed switch shall be placed in the test coil with the gap centered in the core of the coil winding.
Test leads and their clips must be non-magnetic.
The longitudinal axis of the test coil and the test switch shall be vertical.
Tolerance =
±
1.5NI
Full Blade Sensitivity
3
Surface Mount Switches are packaged 3,000 parts per reel
www.srcdevices.com
1
Dyad
®
FR2
Ratings (@ 25˚ C)
Parameter
Switching Voltage
FR2 - DYAD
®
Switching Current
FR2 - DYAD
®
Carry Current
FR2 - DYAD
®
Switching Frequency
FR2 - DYAD
®
Contact Resistance
FR2 - DYAD
®
(See detailed specifications for more information.)
SRC
Min
Typ Max Units
200
0.5
1.5
500
150
Volts
Amps
Amps
Hz
mΩ
DEVICES
Absolute Maximum Ratings are stress ratings. Stresses
in excess of these ratings can cause permanent damage
to the device. Functional operation of the device at these
or any other conditions beyond those indicated in the
operational sections of this data sheet is not implied.
Exposure of the device to the absolute maximum ratings
for extended period may degrade the device and effect
its reliability.
Specifications
All parameters are at 25°C unless otherwise stated.
PARAMETER
Contact Ratings
Operate ampere turns range
Release ampere turns range
Switching Voltage
Switching Current
Carry Current
Contact Rating
Life Expectancy
CONDITIONS
Full Blade Tolerance =
±
1.5NI
Full Blade Tolerance =
±
1.5NI
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
1V, 10mA Signal Level
10V, 10mA Low Level
50V, 100mA Telecom Load
100V, 100mA Rated Loads
50mV, 10mA
(1)
SYMBOL
AT
AT
V
L
I
L
I
C
-
-
-
-
-
CR
-
IR
-
-
T
OP
T
REL
T
A
T
O
-
G
S
-
MIN
10
5
-
-
-
-
-
-
-
-
-
-
10
9
-
250
-
-
-40
-40
-
-
-
-
TYP
-
-
-
-
-
-
1000
500
2
2
80
Ru
10
11
0.3
300
-
-
-
-
-
-
-
0.13
MAX
30
30
200
500
1.5
10
-
-
-
-
150
-
-
-
-
0.5
0.2
+125
+125
+240
20
100
-
UNITS
NI
NI
VDC
mAmps
Amps
VA
x10
6
Ops
x10
6
Ops
x10
6
Ops
x10
6
Ops
mΩ
-
Ω
pF
VDC/Peak AC
ms
ms
°C
°C
°C
Gs
Gs
grams/unit
Static Contact Resistance
Contact Material
Switch Specifications
Insulation Resistance
(2)
Capacitance
Dielectric Strength
(5)
Operate Time,
including bounce
Release Time
Environmental Ratings
Storage Temperature
Operating Temperature
Soldering Temperature
Vibration Resistance
Shock Resistance
Weight
(1)
(2)
100V, 25°C, 40% RH
Across Open Contacts
Between Contacts
At nominal coil voltage,
10Hz Square Wave
Zener-Diode Suppression
(3)
5Hz - 200Hz
11±1ms,
1
/
2
Sine Wave
Contact resistance measured with 4 terminal method, 1.1" between test leads
>10
12
Ω
is available upon request
(3)
A 24V zener in series with a diode across the coil
(4)
Use caution not to exceed vibration resistance limits while ultrasonically cleaning. Contact Clare Engineering for more details/recommendations
(5)
15 ampere turn minimum
USA
1-866-SRC-8668
Europe
32-89-328850
Far East
886-2-2698-8422
www.srcdevices.com
2
SRC
DEVICES
Performance Data*
DYAD
®
Dyad
®
FR2
30
CM15 Series
Operate NI vs. Release NI
Test Coil: NARM 1; Full Length Terminals
Percent Operate Increase
After Lead Cut
DYAD
®
Operate Shift After Lead Trimming
40
35
30
25
20
15
10
5
0
0.7
0.8
0.9
1
1.1
1.2
1.355
DYAD
®
Dielectric Breakdown vs.
Operate Sensitivity
1200
Dielectric Breakdown (VDC)
1000
800
600
400
200
0
8-9
12-13
16-17
20-21
24-2526-32
Min.
Avg.
Max.
25
Release NI
Minimum
Maximum
20
15
10
5
0
10 12 14
16 18 20 22 24 26 28 30
Operate NI
Overall Length in Inches
Average Operate (NI)
DYAD
®
Capacitance Across Open Contacts
Average Resistance (mOhms)
40
35
DYAD
®
Contact Resistance Throughout Life
10V, 12mA Resistive Load
Average Resistance (mOhms)
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100 110 120
Operations (Millions)
80
70
60
50
40
30
20
10
0
DYAD
®
Contact Resistance Throughout Life
50V, 100mA Resistive Load
Number of Units
30
25
20
15
10
5
0
0.15
0.2
0.25
0.3
0.35
0.40
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
Operations (Millions)
Capacitance (pF)
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications,
please contact our application department.
Mechanical Dimensions
DIMENSIONS
mm
(inches)
DYAD®
2.29 MAX.
(0.090)
DYAD® SMT
2.29 MAX.
+ 7
o
0.18
(0.007)
(0.900)
0.25 MAX.
(R 0.010)
4 PLACES
2.03 MAX.
(0.080)
15.24 MAX.
(0.600)
1.22
(0.048)
1.65 MAX.
(0.065)
15.24 MAX.
(0.600)
1.20 TYP.
(0.047)
1.32 MAX.
(0.052)
1.02
(0.040)
+ 10
o
17.53
(0.690)
9.65 REF.
(0.380)
MAX. TWIST ALLOWED
TYP. BOTH ENDS
+ 5
o
34.54 MAX.
(1.360)
1.32 MAX.
(0.052)
19.56 MAX.
(0.770)
Recommended Pad Sizes
DIMENSIONS
mm
(inches)
DYAD® SMT
2.54
(0.100)
2.79
(0.110)
16.01 MAX.
(0.63)
USA
1-866-SRC-8668
Europe
32-89-328850
Far East
886-2-2698-8422
www.srcdevices.com
3
Dyad
®
FR2
Tape & Reel Packaging
DIMENSIONS
mm
(inches)
SRC
DEVICES
Tape and Reel Packaging for DYAD®-Gull Wing Terminals
2.00
.300 ± .013
Top Cover
Tape Thickness
.10 MAX.
(.004)
14.20
(.559)
(.012 ± .0005)
1.75
(.069)
(.079 )
1.55 ± .05
(.061 ± .002)
4.00
(.157)
32.00 ± .31
(1.260 ± .012)
23.01 MAX
(.906)
20.12
(.792)
Embossed Carrier
28.40
(1.118)
2.29
Embossment
.50
(.020)
Top Cover
Tape
8.00
(.315)
2.49
(.098)
(.090)
14.63
(.576)
2.00 MIN. DIA. TYP.
(.079)
8¡ MAX
User Direction of Feed
1.93
.28
(.011 )
2.49
(.098 )
(.076 )
USA
1-866-SRC-8668
Europe
32-89-328850
Far East
886-2-2698-8422
www.srcdevices.com
4
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