Space-Qualified Stepper Motors

Ducommun is a leader in Space-Qualified Stepper Motors for the Aerospace & Defense markets. With more than 25 years of product-specific experience, Ducommun offers a wide range of current, high-performance Stepper Motors for Space Mechanisms used in satellites, spacecraft and launch vehicles. Typical applications include deployment, orientation, accurate pointing or positioning mechanisms of solar panels, antennas and optical devices.

Features & Benefits
Permanent Magnet
Hybrid
Variable Reluctance (VR)
2, 3 & 4-Phase
      -    Optional with Gear Head

Applications & End Use
Solar Array/Panel Deployment
Antenna Pointing Mechanisms
Instrument Positioning
Hold-Down & Release Mechanisms
Space Mechanism

Options
Geared Stepper Motors with Planetary Gear Heads or Harmonic Drives
Low Backlash Gear Heads
Feedback Devices (resolver, encoder, potentiometer)
Redundant Motor Winding
Tandem Designs
Typical Operating Temperatures Up To -55 To 80° C
Custom Designs

Stepper Motors Product Overview
Model numbering system: Example 11TA30
      -    11: Size (frame dia.)
      -    TA: Stepper Motor, TG: Stepper Motor with gear head
      -    30: Version

Model Number
Length (in)
 Phase 
Step Angle (DEG)
Step Rate
 Reversible 
(pps)
Input Voltage (V)
Phase DC Resistance (Ohm)
Stall Torque (in)
Detent Torque (oz-in) (max)
Weight (oz)
5TA1
 1
 4
 45
 250
 28
 195
 0.28
0.75
5TA2
 1
 4
 90
 240
 28
 190
 0.28
0.75
5TA3
 1
 4
 90
 240
 28
 190
 0.28
0.75
5TA5
 1
 4
 90
 240
 28
 190

0.19
5TA6
 1
 4
 90
 204
 28
 190

0.19
8TA1
 1.31
 4
 90
 150
 28
 180
 0.7
1.5
8TA10
 0.875
 4
 90
 250
 28
 250
 0.35
1
8TA11
 1.078
 4
 90
 150
 28
 180
 0.7
1.5
8TA12
 1.078
 4
 90
28
 100

1.5
8TA13
 1.1
 3
 30
 600
 28
 113
 0.8
1.3
8TA19
 0.75
 2
 45
 150
 12
 230
 0.3
1.2
8TA21
 1.5
 2
 45
28
 240
 0.5
 0.2
 3
8TA22
 1.25
 2
 45
28
 240
 0.5
 0.2
 3
8TA23
 1.5
 2
 45
28
 240
 0.5
 0.2
 3
8TA24
 1.25
 2
 45
10
 240
 0.5
2
8TA26
 1.095
 2
 90
25
 66
 0.5
 0.1
 1.76
8TA21
 1.25
 4
 45
 200
 5
 11.5
 0.75
1.8
8TA28
 1.095
 2
 90
25
 66
 0.5
 0.1
 1.76
8TX1
 0.931
 4
 30
9
 30

1.25
11TA1
 1.375
 4
 90
 150
 28
 200
 1.5
1.25
11TA4
 1.343
 3
 30
 800
 28
 83
 2.25
3.5
11TA5
 1.343
 3
 30, 120
 800
 28


3.5
11TA6
 1.688
 2
 90
 150
 25
 300
 1.2

11TA7
 1.688
 4
 90

81.2
 1.75
 0.45
 5.1
11TA8
 1.395
 3
 30
 800
 15
 10.5
 3
4
11TA10
 1.69
 4
 90
 200
 22
 81.3
 1.75
 0.45
 6.25
11TA11
 1.69
 2
 90
 100
 25
 300
 1.2
 0.21
 5.12
11TA15
 1.88
 3
 15, 30
28
 25
 3.75
 0.15
 4.7
11TA19
 1.385
 2
 90
 150
 28
 52
 2
 0.15
 4.7
11TA19-1
 1.385
 2
 90
 150
 28
 52
 2
 0.15
 4.7
11TA23
 1.35
 4
 90
28.4
 63
0.7 max
 5
11TA23-1
 1.35
 4
 90
28.4
 63
1
 5
11TA24
 1.484
 3
 60/30
28
 53
0.4
11TA25
 1.385
 2
 45
 150
 28
 52
 2
 0.15
 4.7
11TA26
 1.45
 4
 90
28.4
 55.5
0.6
 5.5
11TA27
 1.35
 4
 90
28.4
 63
0.7
 5.6
11TA28
 1.35
 4
 90
28.4
 63
0.85
 5.6
11TA30
 1.48
 4
 15

63
0.7
 6
13TA3
 2.45
 2
 90
14
 29
 4
8
15TA3
 1.47
 4
 90
 150
 28
 0.18
 0.7
1.5
15TA4
 2.047
 2
 90
 270
 28
 15
 7
10.5
15TA29
 1.58
 4
 90
28
 72
 3.2
 0.3
 7.5
15TA30
 1.5
 2
 90
 100
 28
 260
 3
 0.2
 7
15TA32
 3
 4
 90
28
 72
 6.4
 0.6
 12
15TA33
 1.58
 4
 45
28
 72
 3.2
 0.3
 7.5
15TA34
 1.58
 4
 45
28
 72
 3.2
 0.3
 7.5
15TA35
 1.58
 4
 45
 50
 28
 72
 3.2
 1
 8.5
15TA36
 1.58
 4
 90
28
 72
 3.2
 0.3
 8.5
15TA37
 1.58
 4
 45
28
 72
 3.2
 l
 8.5
15TA38
 1.7
 4
 90
28
 63
0.7
 10
15TA39
 2
 2
 1.8
 200
 5
 5
 23
 1.1
 10.5
15TA40
 2
 2
 1.8
 200
 5
 5
 23
 1.1
 10.5
15TA41
 1.7
 4
 45
28
 63
1
 10
15TY1
 2
 2
 90
 165
 10
 13.1
 7
8
15TY2
 1.5
 2
 45
 175
 10
 9
 6
7.5
23TA1
 2.52
 4
 1.8
24
 59
 55
 5
 24
23TA2
 2.52
 2
 1.8
 33
 24
 59
 55
 5
 24
23TA3
 2.52
 2
 1.8
 33
 24
 59
 50
 5
 234
23TA4
 2.52
 4
 1.8
24
 62
 162
 5
 24
23TA5
 1.34
 2
 1.8
 200
 8
 12.5
 40
 0.6
 12.5
23TA6
 2.5
 2
 1.8
 8
 28
 62
 55
 2
 31
24TA1
 3.3
 2
 1.8
22 - 29
 60
 60
 8
 36.8
24TA2
 3.305
 2
 1.8
22 - 29
 60
 60
 8
 36.8
24TA3
 3.3
 2
 1.8
22 - 29
 60
 60
 8
 36.8
30TA1
 3
 3
 15
 600
 24
 8.3


30TA2
 2.52
 4
 1.8
 120
 12
 40
 30
 5
 28
30TA3
 2.27
 4
 1.8
 300
 11.8
 22.5
 50
 4
 29.6
30TA4
 1.75
 2
 1.8
 5
 12
 16
4
 20.8
46TA1
 1.9
 2
 3.75
 10
 25.4
 27.8
 200
 12
 67.2


Outline Drawings

Permanent Magnet Hybrid Variable Reluctance
8TA30 15TA39 8SA7
11TA19-1 23TA1 8SA29
11TA26 23TA4 15SA17
11TA30 23TA5 32SA1
15TA1 23TA6  
15TA29 24TA2
15TA30 24TA3
15TA31 30TA1
15TA32 30TA2
15TA33 30TA3
15TA34 30TA4
15TA35
15TA36
15TA37
15TA38
15TA41

 

 

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