28L28 Brushed DC Motor
Portescap
Brushed DC Motor
With a cost efficient design featuring an Alnico magnet, the 28L28 brush DC motor can deliver a torque up to 20 mNm continuously and reach up to 80% efficiency while maintaining a long lifetime.
Downloads
| Winding | unit | 28L28-219.49 | 28L28-416E.49 | 28L28-413E.49 | 28L28-410E.49 |
|---|
| Diameter | mm |
28 |
28 |
28 |
28 |
|---|
| Nominal Voltage | Volt |
12.0 |
24.0 |
28.0 |
36.0 |
|---|
| No-Load Speed | rpm |
5,300 |
5,590 |
5,325 |
5,000 |
|---|
| No-Load Current | mA |
22.0 |
11.0 |
9.0 |
6.6 |
|---|
| Terminal Resistance | Ω |
5.9 |
19.5 |
33.0 |
71.0 |
|---|
| Output Power | W |
9.6 |
10.0 |
9.3 |
9.0 |
|---|
| Stall Torque | mNm |
43.00 |
50.00 |
32.00 |
34.00 |
|---|
| Efficiency | % |
80 |
82 |
80 |
78 |
|---|
| Speeds up to | rpm |
8,000 |
8,000 |
8,000 |
8,000 |
|---|
| Torque up to | mNm |
2.82 |
21.00 |
19.40 |
18.50 |
|---|
| Current up to (thermal limits) | Amp |
0.95 |
0.53 |
0.40 |
0.28 |
|---|
| Back-EMF Constant | mV/rpm |
2.24 |
4.26 |
5.20 |
7.10 |
|---|
| Torque Constant | mNm/A |
21.4 |
40.7 |
49.7 |
67.8 |
|---|
| Motor Regulation | 10³/Nms |
13 |
12 |
13 |
15 |
|---|
| Friction Torque | mNm |
0.47 |
0.45 |
0.45 |
0.45 |
|---|
| Rotor Inductance | µH |
500 |
2,400 |
3,200 |
5,200 |
|---|
| Mechanical Time Constant | ms |
14.0 |
21.0 |
17.8 |
16.7 |
|---|
| Rotor Inertia | gcm² |
10.400 |
17.500 |
13.500 |
11.000 |
|---|
| Thermal Resistance | C/W |
5/12 |
5/12 |
5 /12 |
5 /12 |
|---|
| Thermal Time Constant | C/W |
13/760 |
13/760 |
13/760 |
13/760 |
|---|
| Operating Temperature Range: Motor | °C |
-30C to 85C |
-30C to 85C |
-30C to 85C |
-30C to 85C |
|---|
| Operating Temperature Range: Rotor | °C |
100C |
100C |
100C |
100C |
|---|
| Weight | g |
125.0 |
125.0 |
125.0 |
125.0 |
|---|
