![](http://datasheet.mmic.net.cn/120000/116450-01_datasheet_3546779/116450-01_6.png)
4
Motor Data
Unit of
Part Numbers
Measure
119272*
119275*
No Load Speed, Nominal
RPM
4388
4308
No Load Current, Nominal
amps
.16
.18
Stall Torque, Theoretical
oz.-in.
12.7
51.3
Ncm
8.96
36.20
Continuous Torque
oz.-in.
5.75
11
Ncm
4.06
7.77
Speed @ Torque, Nominal
RPM
2425
3000
Current @ Torque, Nominal
amps
1.0
1.75
Continuous Power, Max.
watts out
10
24
Torque Constant
oz.-in. /amp
7.39
7.53
Ncm/amp
5.21
5.31
Voltage Constant
V/kRPM
5.47
5.57
V/rad/sec
0.052
0.053
Electrical Time Constant
millisecond
.273
.339
Mechanical Time Constant
millisecond
.202
.134
Motor Constant
oz.-in./(watt^.5)
2.37
4.12
Ncm/(watt^.5)
1.67
2.91
Rotor Inertia
oz.-in.sec2
8.00 x 10
-6
1.60 x 10
-5
Ncm-sec^2
0.0565
0.0113
Terminal Resistance
ohms
9.74
3.34
Terminal Inductance
millihenry
2.66
1.13
Thermal Resistance
C/W
3.5
1.90
Length (“L” above)
inches
1.864
2.614
mm
47.35
66.40
Weight
lb.
.51
.78
kg
0.23
0.35
Shaft Length (“S” above)
inches
.75
1.00
mm
19.05
25.40
1.7” (43mm) Diameter, 8 Pole, Brushless DC Motor
24 VDC
NOTES
* Motors require brushless motor controller for operation, refer to the controller section (page 45) for applicable controllers.
* Motor design characteristics are based on an operating environment of 25C.
* Nominal and maximum performance figures are based on a winding temperature of 105C.
* This document is for informational purposes only and should not be considered as a binding description of the products and their performance in all applications.
* AMETEK RTMD products are not designed for and should not be used in medical life support applications.
* AMETEK reserves the right to revise its products without notification.
* The above characteristics represent standard products. For product designed to meet specific applications contact AMETEK RTMD Marketing and Sales.
1.7M99
*These part numbers are available through AMETEK Rotron distributors. See page 54 for distributor information.