CII Low Signal Relays
Double Pole, Electrically Held, 1 Amp and Less (Continued)
MST MST
Sensitive TO-5
Diode Suppressed/
Transistor Driven
High Performance Relay
Qualified to MIL-R-28776/3
+
X2
X1
XB
A2
B2
A1
B1
A3
B3
Terminal View
Product Facts
n Transistor driver &
suppression diode
n Hermetically sealed
n High shock & vibration
ratings
n Spreader pads
n Excellent RF switching
Electrical Characteristics Contact Ratings
Contact Arrangement
Contact Operations
Type
Load Min.
2 Form C (DPDT)
1.0 A @ 28 Vdc Resistive 100,000
Contact Material
250 mA @ 115 Vac, 60 Hz & 400 Hz Resistive (case not grounded) 100,000
Stationary
Gold/platinum/palladium/silver alloy 100 mA @ 115 Vac, 60 Hz & 400 Hz Resistive 100,000
(gold plated)
0.2 A @ 28 Vdc Inductive (0.32 Henry) 100,000
Moveable
0.1 A @ 28 Vdc Lamp 100,000
Gold/platinum/palladium/silver alloy
30 A @ 50 mVdc Low Level 1,000,000
(gold plated)
0.1 A @ 28 Vdc Intermediate Current 50,000
Contact Resistance
Before Life 100 milliohms max.
(measured @ 10 mA @ 6 Vdc)
After Life 200 milliohms max.
(measured @ 1 A @ 28 Vdc)
.335 (8.51) DIA MAX
Mechanical Life Expectancy
1 million operations
.370 (9.40) DIA MAX
Coil Voltage 5 to 48 Vdc
.031 .003 (0.79)
.375 (9.53)
Coil Power 565 mW max. @ 25C .035 (0.89)
MAX
Duty Cycle Continuous
TRANSISTOR
Pick-up Voltage Approximately BASE
CONNECTION
50% of nominal coil voltage
TERMINALS
W 1.500 MIN (38.1)
Pick-up Sensitivity
C .500 MIN (12.7)
60 mW max. @ 25C
P .187.010 (4.75.25)
.200 (5.08)
(Length excludes mounting pad) 36 3
DIA
GROUND PIN
(OPTIONAL)
Header
OPTIONAL PINS
+.002
.017 (0.43) DIA
-.001
.370 (9.40) DIA MAX
Enclosure
1-24
Catalog 5-1773450-5 Dimensions are shown for Dimensions are in millimeters USA: +1 800 522 6752 For additional support numbers
Revised 3-13 reference purposes only. unless otherwise specified. Asia Pacific: +86 0 400 820 6015 please visit www.te.com
Specifications subject UK: +44 800 267 666
www.te.com to change.CII Low Signal Relays
CII Low Signal Relays
Double Pole, Electrically Held, 1 Amp and Less (Continued)
Operating Characteristics Environmental Characteristics Semiconductor Characteristics
MST (Continued)
Timing Temperature Range Diode
Operate Time 4.0 ms max. -65C to +125C 100 Vdc peak inverse voltage (PIV)
1
Release Time 7.5 ms max. 1.0 Vdc max. transient voltage
Weight
Contact Bounce 1.5 ms max
0.12 oz. (3.40 grms) Transistor
Dielectric Withstanding Voltage 0.13 oz. (3.45 grms) with spreader pad 0.3 Vdc min. base turn off voltage;
Between Open Contacts attached 6.0 Vdc min. emitter-base breakdown
500 Vrms 60 Hz voltage (BV ) @ 25C;
Vibration Resistance
EBO
Between Adjacent Contacts 80.0 Vdc min. collector-base breakdown
30 Gs, 10 to 3,000 Hz
500 Vrms 60 Hz voltage (BV ) @ 25C & I =100 A
CBO C
Shock Resistance
Between Contacts & Coil
75 Gs, 6 1 ms max.
500 Vrms 60 Hz
QPL Approval
Insulation Resistance
MIL-R-28776/3 (JMST)
10,000 megohms min. @ 500 Vdc
1,000 megohms @ 500 Vdc
(coil to case @ +125C)
.103 (2.62)
.156 (3.96)
.014
.003 (0.36)
.370 (9.40) SQ MAX .395 (10.03) SQ MAX
0.47 (1.19) DIA
.100 (2.54)
.150 (3.81)
.100 (2.54) .100 (2.54)
.140 .175 DIA
(3.56 4.45)
S S2 W
Spreader & Mounting Pads
Coil Data
Coil Pickup Pickup Drop-Out Drop-Out
Nom. Coil Circuit Coil Circuit Base Turn Base Turn Nom. Coil
Resistance Voltage Voltage Voltage Voltage Max.
Coil Current Current On Current On Current Power Coil
in Ohms Vdc (Max.) Vdc (Max.) Vdc (Min.) Vdc (Min.) Coil
Voltage mA (Max.) mA (Min.) mA (Max.) mA (Max.) (mW) Desig.
10% @ 25C @ 25C @ 125C @ 25C @ -65C Voltage
(Vdc) (Note 1&2) (Note 1&2) @ 25C @ 125C @ 25C
(Note 1) (Note 2) (Note 2) (Note 2) (Note 2)
MST
5.0 100 59.3 43.5 2.8 0.37 3.6 1.50 0.22 0.14 250 7.0 5
6.0 200 35.4 26.4 3.8 0.25 4.8 1.00 0.28 0.18 180 10.0 6
9.0 400 25.8 19.7 5.2 0.18 7.8 0.75 0.54 0.35 203 15.0 9
12.0 850 16.7 12.2 7.4 0.12 11.0 0.47 0.63 0.41 169 20.0 12
18.0 1,600 13.1 9.7 10.0 0.09 14.5 0.38 0.91 0.59 203 30.0 18
26.5 3,300 9.5 6.9 14.2 0.06 19.0 0.24 1.37 0.89 213 40.0 26
36.0 6,500 6.4 4.8 20.0 0.034 27.0 0.17 1.80 1.25 199 57.0 36
48.0 11,000 5.1 3.7 25.8 0.026 36.0 0.13 2.40 1.60 209 75.0 48
Notes: 1. Coil resistance not directly measurable. Coil current should be within limits shown when tested at nominal voltage at 25C for 5 seconds max.
2. Set base current at 3 mA to 15 mA during measurements.
Ordering Instructions
Catalog-selected Relays: The catalog number is derived by choosing the proper CODE for
each of the relay characteristics in the order in which the codes are listed.
Specifying a Part Number Example: Type Terminal Diodes Ground Pins Coils Spreader/Mounting Pads
MS CT G -26 S
* The part number example shown on this page is for catalog items. For a list of specific QPL part numbers, please see the index in Section 15.
1-25
Catalog 5-1773450-5 Dimensions are shown for Dimensions are in millimeters USA: +1 800 522 6752 For additional support numbers
Revised 3-13 reference purposes only. unless otherwise specified. Asia Pacific: +86 0 400 820 6015 please visit www.te.com
Specifications subject UK: +44 800 267 666
www.te.com to change.