1-2
Single Pole, Electrically Held, 1 Amp and Less
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
1MA, 1MAD, 1MADD 1MA
Standard TO-5
High Performance Relay
Qualified to
MIL-R-39016/7
1MAD
Standard TO-5
Diode Suppressed
High Performance Relay
Qualified to
MIL-R-39016/23
1MADD
Standard TO-5 Diode
Suppressed/Protected
High Performance Relay
Qualified to
MIL-R-39016/24
Contact Ratings
Contact Type Operations
Load MINd.
1.0 A @ 28 Vdc Resistive 100,000
250 mA @ 115 Vac, 60 Hz & 400 Hz Resistive (case not grounded) 100,000
100 mA @ 115 Vac, 60 Hz & 400 Hz Resistive 100,000
0.2 A @ 28 Vdc Inductive (0.32 Henry) 100,000
0.1 A @ 28 Vdc Lamp 100,000
30 µA @ 50 mVdc Low Level 1,000,000
0.1 A @ 28 Vdc Intermediate Current 50,000
Electrical Characteristics
Contact Arrangement —
1 Form C (SPDT)
Contact Material —
Stationary —
Gold/platinum/palladium/silver alloy
(gold plated)
Moveable —
Gold/platinum/palladium/silver alloy
(gold plated)
Contact Resistance —
Before Life — 100 milliohms max.
(measured @ 10 mA @ 6 Vdc)
After Life — 200 milliohms max.
(measured @ 1 A @ 28 Vdc)
Mechanical Life Expectancy —
1 million operations
Coil Voltage — 5 to 26.5 Vdc
Coil Power — 512 mW max. @ 25°C
Duty Cycle — Continuous
Pick-up Voltage — Approximately
50% of nominal coil voltage
Pick-up Sensitivity —
100 mW max. @ 25°C
Terminal View Terminal View Terminal View
1MA/1MAD/1MADD Enclosure
1MA/1MAD/1MADD Header
.280 (7.11)
MAX
.335 (8.51) DIA MAX
.370 (9.40) DIA MAX
.017 (0.43) DIA
+.002
-.001
.370 (9.40) DIA MAX
.031 ±
.003 (0.79)
45°
±
3°
.200 (5.08)
DIA
.
±
±
3°
.035±.010
(0.89)
TERMINALS
W 1.500 MINd (38.1)
C .500 MINd (12.7)
P .187 ± .010 (4.75 ± .25)
(Length excludes spreader pad)
X1
A2
A1 A3
X2
X1A2
A1 A3
X2
–
+
X1
A2
A1 A3
X2
–
+
Product Facts
nHermetically sealed
nHigh shock & vibration
ratings
nSpreader pad
nExcellent RF switching
Product Facts
nSuppression diode
nHermetically sealed
nHigh shock & vibration
ratings
nSpreader pad
nExcellent RF switching
Product Facts
nSuppression &
protection diodes
nHermetically sealed
nHigh shock & vibration
ratings
nSpreader pad
nExcellent RF switching
1-3
Single Pole, Electrically Held, 1 Amp and Less (Continued)
CII Low Signal Relays
CII Low Signal Relays
1
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.
Coil Data
Nom. Coil Coil Circuit Coil Circuit Pickup Base Turn Pickup Base Turn Drop-Out Drop-Out Nom. Coil
Coil Resistance Current Current Voltage On Current Voltage On Current Voltage Voltage Power Max. Coil
Voltage in Ohms mA (Max.) mA (Min.) Vdc (Max.) mA (Max.) Vdc (Max.) mA (Max.) Vdc (Min.) Vdc (Min.) (mW) Coil Desig.
(Vdc) ±10% @ 25°C @ 25°C @ 25°C @ 125°C @ 125°C @ 25°C @ -65°C @ 25°C Voltage
(Note 1) (Note 1&2) (Note 1&2) (Note 2) (Note 2) (Note 2) (Note 2)
1MA/1MAD
5.0 63 n/a n/a 2.8 n/a 3.7 n/a 0.23 0.15 397 6.0 5
6.0 125 n/a n/a 3.5 n/a 4.5 n/a 0.28 0.18 288 8.0 6
9.0 280 n/a n/a 5.3 n/a 6.8 n/a 0.54 0.35 289 12.0 9
12.0 500 n/a n/a 7.0 n/a 9.0 n/a 0.63 0.40 288 16.0 12
18.0 1,130 n/a n/a 10.5 n/a 13.5 n/a 0.91 0.58 287 24.0 18
26.5 2,000 n/a n/a 14.2 n/a 18.0 n/a 1.37 0.89 351 32.0 26
1MADD
5.0 50 100.0 72.7 3.5 n/a 4.5 n/a 0.23 0.15 500 6.0 5
6.0 98 62.4 46.3 4.1 n/a 5.5 n/a 0.28 0.18 367 8.0 6
9.0 280 33.7 25.9 6.3 n/a 7.8 n/a 0.54 0.35 289 12.0 9
12.0 500 25.6 20.0 8.0 n/a 10.0 n/a 0.63 0.40 288 16.0 12
18.0 1,130 17.2 13.6 11.6 n/a 14.5 n/a 0.91 0.58 287 24.0 18
26.5 2,000 14.4 11.5 15.4 n/a 19.0 n/a 1.37 0.89 351 32.0 26
Notes: 1. Coil resistance not directly measurable. Coil current should be within limits shown when tested at nominal voltage at 25°C for 5 seconds max.
2. Set base current at 3 mA to 15 mA during measurements.
Operating Characteristics
Timing —
Operate Time — 2.0 ms max.
Release Time —
1MA — 2.0 ms max.
1MAD/1MADD — 4.0 ms max.
(suppression diode, suppression/
steering diodes)
Contact Bounce — 1.5 ms max
Dielectric Withstanding Voltage —
Between Open Contacts —
500 Vrms 60 Hz
Between Adjacent Contacts —
500 Vrms 60 Hz
Between Contacts & Coil —
500 Vrms 60 Hz
Insulation Resistance —
10,000 megohms @ 500 Vdc
1,000 megohms @ 500 Vdc
(coil to case @ +125°C)
Environmental Characteristics
Temperature Range —
-65°C to +125°C
Weight —
0.08 oz. (2.27 grms)
0.09 oz. (2.52 grms) with spreader pad
attached
Vibration Resistance —
30 G’s, 10 to 3,000 Hz
Shock Resistance —
75 G’s, 6 ±1 ms max.
QPL Approval —
MIL-R-39016/7 (J1MA)
MIL-R-39016/23 (J1MAD)
MIL-R-39016/24 (J1MADD)
Semiconductor Characteristics
Diode —
100 Vdc peak inverse voltage (PIV)
1.0 Vdc max. transient voltage
Specifying a Part Number Example*: Type Terminal Diodes Coils Spreader/Mounting Pads
1MA CD-26 S
.370 (9.40) SQ MAX
.100 (2.54)
.100 (2.54)
.103 (2.62)
0.47 (1.19) DIA
.014±.003 (0.36)
.140 – .175 DIA
(3.56 – 4.45)
Spreader & Mounting Pads
SW
1MA, 1MAD, 1MADD
(Continued)
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.
*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.