SRC
DEVICES
SIP SERIES REED RELAYS
SIL4 DSS4 MVS4 MSS4
DESCRIPTION
SRC Devices offers a large selection of molded SIP relays to meet customer applications. The DSS4 was
developed several years ago and continues to be the relay of choice for hook switch applications in modems and
general purpose applications. The SIL4 is the first of a series of new molded products ideally suited for use in high
reliability requirements. Its design centers on a new patent pending process aimed at protecting the hermetically
sealed reed switch. When properly protected, the reed switch outperforms most other electromechanical switching
devices for operating life (at low signal levels), isolation, low resistance and low operating power.
The high performance MVS4 and MSS4 models provide bounce free operation and offer a more durable contact
when switching capacitive or inductive loads. Both are capable of switching loads up to 50 watts.
FEATURES
Patent pending process (SIL4)
High reliability switching
3V operate option available
Quality defect levels <50 PPM (SIL4)
Long operating life at low levels ( >1 billion
operations)
Capable of switching up to 1000V
High isolation between input and output
(2500V)
Optional internal diode & N.C. option
High density board mounting
Automatic insertion design
State-of-the-art capsule designs
Epoxy molded single-in-line package
FCC68 compatible on MSS4 model
APPLICATIONS
ATE
- Functional board
testers
- Integrated circuit
testers
- Bare board testers
Telecom
Matrix requirements
Instrumentation
Data acquisition
RATINGS (@ 25˚ C)
Parameter
Switching voltage
SIL4/DSS4
MSS4
MVS4
Switching current
SIL4/DSS4
MVS4/MSS4
Carry current
SIL4
DSS4
MSS4/ MVS4
Switching frequency
SIL4/DSS4
MVS4/MSS4
Contact resistance
SIL4
MVS4/MSS4
(See detailed specifications for more information.)
Min
Typ
Max
200
500
1000
0.5
2
1.5
2
3
500
200
120
100
Unit
Volts
Volts
Volts
Amps
Amps
Amps
Amps
Amps
Hz
Hz
mΩ
mΩ
AGENCY APPROVALS
UL recognized DSS4 model
www.srcdevices.com
1
SIP SERIES REED RELAYS
SIL4
DSS4
MVS4
MSS4
SPECIFICATIONS
SRC
DEVICES
Dry Reed Relay Specifications
All parameters at 25°C unless otherwise stated.
Operate voltage, release voltage, and coil resistance will vary by
approximately 0.4%/°C as ambient temperature varies.
PARAMETER
CONDITIONS
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Signal Level 1.0V 10mA
Rated Loads
(1)
50mV, 10mA
0.5V, 50mA at 100Hz,
1.5 msec
SYMBOL
V
L
I
L
I
C
-
-
CR
DCR
-
SIL4
Instrument-Grade
MIN
-
-
-
-
-
-
-
-
TYP
-
-
-
-
1000
95
-
Ru
MAX
200
0.5
2
10
-
120
150
-
MIN
-
-
-
-
-
-
-
-
DSS4
General Purpose
TYP
-
-
-
-
500
-
N/A
Ru
MAX
200
0.5
2
10
-
150
N/A
-
UNITS
Volts
Amps
Amps
Watts
x10
6
Ops
x10
6
Ops
mΩ
mΩ
-
Contact Ratings
Switching Voltage
Switching Current
Carry Current
Contact Rating
Life Expectancy
Static Contact Resistance
Dynamic Contact Resistance
Contact Material
Relay Specifications
Insulation Resistance
Capacitance
Open Contact to Coil
Dielectric Strength
Operate Time,
including bounce
Release Time
Between all isolated pins
at 100V, 25°C, 40% RH
Across Open Contacts
Between Contacts
Contacts to Coil
At Nominal Coil Voltage
10Hz Square Wave
Zener-Diode Suppression
IR
-
-
I/O
I/O
T
OP
T
REL
10
12
-
-
250
2500
-
-
10
13
-
1.2
-
-
0.2
0.1
-
0.8
-
-
-
0.5
0.5
10
10
-
-
250
1500
-
-
10
12
-
-
-
-
0.25
0.15
-
1
2
-
-
0.5
0.5
Ω
pF
pF
VDC/Peak AC
VDC/Peak AC
ms
-
Environmental Ratings
Storage Temperature
Operating Temperature
Soldering Temperature
Vibration Resistance
(3)
(Survival)
Shock Resistance
(Survival)
Weight
(1)
T
T
Applied to pins,10 sec. max.
5Hz - 2000Hz
11±1ms,
1
/
2
Sine Wave
A
O
-
G
S
-
-55
-40
-
-
-
-
-
-
-
-
-
1.8
+125
+85
+260
(2)
20
100
-
-40
-40
-
-
-
-
-
-
-
-
-
1.6
+105
+85
+260
20
-
-
°C
°C
°C
Gs
-
grams
Refer to life graphs
(2)
Capable of surviving infrared solder-reflow process
(3)
Use caution not to exceed vibration resistance limits while ultrasonically cleaning relays with DYAD switches.
Contact REMtech Engineering for more details/ recommendations
USA
1-866-SRC-8668
Europe
32-89-328850
Far East
886-2-2698-8422
www.srcdevices.com
2
SRC
DEVICES
SPECIFICATIONS
SIP SERIES REED RELAYS
SIL4 DSS4 MVS4 MSS4
MVS4
Mercury-Wetted Reed Relays
All parameters at 25°C unless otherwise stated.
PARAMETER
CONDITIONS
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Max DC/PeakAC Resistive
Signal Level 1.0V 10mA
50V, 1A
500V, 100mA
Rated Loads
(2)
50mV, 10mA
SYMBOL
V
L
I
L
I
C
-
-
-
-
-
CR
-
-
High Power/Reliability
Position-Sensitive
(3)
Hg-Wetted
MIN
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
-
-
1000
2
50
7
-
Hg
40
MAX
1000
(1)
2
3
50
(4)
-
-
-
-
100
-
-
MSS4
Non-Position-Sensitive
Hg-Wetted
MIN
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
-
-
200
-
-
7
-
Hg
16
MAX
500
2
3
50
-
-
-
-
100
-
-
UNITS
Volts
Amps
Amps
Watts
x10
6
Ops
x10
6
Ops
x10
6
Ops
x10
6
Ops
mΩ
mgram
Contact Ratings
Switching Voltage
Switching Current
Carry Current
Contact Rating
Life Expectancy
Static Contact Resistance
Contact Material
Hg Content
Relay Specifications
Insulation Resistance
Capacitance
Between all isolated pins
at 100V, 25°C, 40% RH
Across Open Contacts
Upper Contact to Coil
Closed Contact to Coil
Between Contacts
Contacts to Coil
At Nominal Coil Voltage
10Hz Square Wave
Zener-Diode Suppression
IR
-
-
-
I/O
I/O
T
OP
T
REL
10
10
-
-
-
2000
2500
-
-
10
12
0.8
2.2
3.3
-
-
-
-
-
-
-
-
-
-
2.5
2.5
10
8
-
-
-
2000
1400
-
-
10
10
-
-
-
-
-
-
-
-
2
4
-
-
-
1.75
1.5
Ω
pF
pF
pF
VDC/Peak AC
VDC/Peak AC
ms
ms
Dielectric Strength
Operate Time,
no bounce
Release Time
Environmental Ratings
Storage Temperature
Operating Temperature
Soldering Temperature
Vibration Resistance
(Survival)
Shock Resistance
(Survival)
Weight
(1)
(2)
T
T
Applied to pins,10 sec. max.
10Hz - 500Hz
11±1ms,
1
/
2
Sine Wave
A
O
G
S
-
-40
-38
-
-
-
-
-
-
-
-
-
2.2
+105
+85
+260
10
30
-
-40
-38
-
-
-
-
-
-
-
-
-
2.4
+105
+75
+260
10
30
-
°C
°C
°C
Gs
Gs
grams
Current limited up to 5mA, typical 20 million operations; for further life information, consult factory.
Refer to MH4 (MVS4) & MYAD (MSS4) life graphs.
(3)
Vertical mounting required. Pin #1 is up.
(4)
Derate to 5 watts when switching voltages >500V.
USA
1-866-SRC-8668
Europe
32-89-328850
Far East
886-2-2698-8422
www.srcdevices.com
3
SIP SERIES REED RELAYS
SIL4 DSS4 MVS4 MSS4
COIL SPECIFICATIONS
Contact Form
Units
Conditions
Part
#
1-Form-A
1-Form-A
1-Form-A
1-Form-A
1-Form-B
1-Form-B
1-Form-B
1-Form-A
1-Form-A
1-Form-A
1-Form-B
1-Form-B
1-Form-B
1-Form-A
1-Form-A
1-Form-A
1-Form-A
1-Form-A
1-Form-A
Min
Typ
3
5
12
24
5
12
24
5
12
24
5
12
24
5
12
24
5
12
24
Max
6
10
16
30
6
14
29
10
16
30
10
16
30
7
15
30
10
16
30
Coil Voltage
Volts
Coil Resistance
Ω
+/- 10% (25°C)
Min
135
450
900
1800
450
900
1800
450
900
1800
450
900
1935
94.5
450
1935
126
450
1935
Typ
150
500
1000
2000
500
1000
2000
500
1000
2000
500
1000
2150
105
500
2150
140
500
2150
Max
165
550
1100
2200
550
1100
2200
550
1100
2200
550
1100
2365
116
550
2365
154
550
2365
Operate Voltage
Volts
SRC
Release Voltage
Volts
DEVICES
Nominal Input Power
mW
Must operate by (25°C) Must release by (25°C)
Min
Typ
Max
2.25
3.75
8.6
17.5
3.75
9
18
3.75
8.6
17.5
3.75
9
18
3.75
9
18
3.75
9
18
Min
0.3
0.4
1.5
2.5
0.8
1.5
2.5
0.8
1.5
2.5
0.8
1
2
0.5
1
2.0
0.5
1
2
DIMENSIONS
mm
(inches)
0.49
(0.019)
5.08
(0.200)
15.24
(0.600)
3
3.20
±
0.25
(0.125
±
0.010)
6.70 MAX.
(0.264)
8.20 MAX.
(0.323)
1
Top View
Typ
Max
Min
Typ
60
50
144
288
50
144
288
50
144
288
50
144
268
238
288
268
179
288
268
Max
SIL41A03(B)
SIL41A05(B)
SIL41A12(B)
SIL41A24(B)
SIL41B05(B)
SIL41B12(B)
SIL41B24(B)
DSS41A05
DSS41A12
DSS41A24
DSS41B05
DSS41B12
DSS41B24
MVS41A05(B)
MVS41A12(B)
MVS41A24(B)
MSS41A05
MSS41A12
MSS41A24
MECHANICAL DIMENSIONS
SIL4/DSS4
3.18
(0.125)
0.49
(0.019)
19.05 MAX.
(0.750)
5.08
(0.200)
3
5.08 MAX.
(0.200)
7.62 MAX.
0.41 REF. (0.300)
(0.016)
2.00 REF.
(0.080)
15.24
(0.600)
1
Top View
7
5
19.05 MAX.
(0.750)
MVS4/MSS4
7
5
2.54 REF.
(0.100)
Mold mark denotes pin 1 side
of relay
SIL4/DSS4 Pinout
Form A
7
Form B
MVS4/MSS4 Pinout
7
7
5
3
1
Top View
0.33
(0.013)
5
3
1
Top View
0.33
(0.013)
5
*
3
1
Top View
* MVS4 only must be mounted
vertically with pin #1 up.
UP
For Form B or diode options,
coil polarity (pin #3 positive)
must be observed.
USA
1-866-SRC-8668
Europe
32-89-328850
Far East
886-2-2698-8422
www.srcdevices.com
4
SRC
DEVICES
SIL4/DSS4
Rated Load: 5VA
99.9
50.0
30.0
20.0
10.0
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
0.1
1.0
2
1
0
% Cumm. Fail
-1
-2
48V-100mA Load
6
0.935 x 10 ops 90% Survival
6
2.576 x 10 ops MTBF
10V-500mA Load
6
4.064 x 10 ops 90% Survival
6
12.838 x 10 ops MTBF
10.0
Number of Operations (x10
6
)
-3
-4
-5
-6
99.9
50.0
30.0
20.0
10.0
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
SIP SERIES REED RELAYS
SIL4 DSS4 MVS4 MSS4
PERFORMANCE GRAPHS
SIL4/DSS4
Rated Load: 10VA
2
1
0
20V-500mA Load
1.290 x 10 ops 90% Survival
6
5.978 x 10 ops MTBF
6
% Cumm. Fail
-1
-2
-3
-4
-5
-6
50V-200mA Load
0.317 x 10
6
ops 90% Survival
6
0.671 x 10 ops MTBF
100V-100mA Load
6
0.763 x 10 ops 90% Survival
6
3.919 x 10 ops MTBF
0.1
1.0
10.0
6
-7
100.0
-7
100.0
Number of Operations (x10 )
MVS Series
Rated Load: 50VA-20Hz
99.9
2
1
0
-1
-2
50V-1A Load
3.897 x 10
6
ops 90% Survival
15.520 x 10
6
Ops MTBF
-3
-4
-5
-6
0.1
1.0
10.0
-7
100.0
50.0
30.0
20.0
10.0
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
% Cumm. Failures
Number of Operations (x10
6
)
Relay Internal Temperature Rise vs. Power
50
Delta T (°C) of Relay
40
30
20
10
0
SIL4/DSS4
Relay Temperature Rise vs. Coil Power
(5V)
Delta T ( C) of Relay
0
25
50
75
100 125
150
175
200
MVS4
Relay Temperature Rise vs. Coil Power
(1-Form-A 5V)
100
80
60
40
20
0
0
75 150 225 300 375 450 525 600 675 750
Coil Input Power (mW)
Coil Input Power (mW)
USA
1-866-SRC-8668
Europe
32-89-328850
Far East
886-2-2698-8422
www.srcdevices.com
5
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