Specifications

Series No: BL1422 -          -               -  P    2

No.

Testing Item

Tested Values

Unit

1

Nominal voltage

U_N

3

8

V

2

Terminal resistance, phase to phase

R

165

99

Ω

3

Output power

P_2max

0.01

0.12

W

4

Efficiency

η_max

18

42

%

5

No-load speed

n_o

780

4200

rpm

6

No-load current

I_o

0.006

0.01

A

7

Stall torque

M_H

0.30

1.13

mNm

8

Friction torque

M_F

0.15

0.16

mNm

9

Speed constant

k_n

388.06

599.14

rpm/V

10

Back-EMF constant

k_E

2.58

1.67

mV/rpm

11

Torque constant

k_M

24.61

15.94

mNm/A

12

Current constant

k_I

0.04

0.06

A/mNm

13

Slope of n-M curve

Δ n/ ΔM

2602.01

3721.57

rpm/mNm

14

Mechanical time constant

τ _m

3.27

4.68

ms

15

Rotor inertia

J

0.12

0.12

gcm²

16

Angular acceleration

α_max

24.98

94.05

10³rad/s²

17

Sensor

Sensorless

18

Driver

DR1802

19

Weight

18

g

20

Operating temperature range

-30 ～+85

21

Commutation

Electronically commutation

22

Bearing

Sleeve bearin g

23

Housing material

Aluminum, black anodized

24

Magnet material

Sintered Nd-Fe-B

25

Direction of rotation

Electronically reversible

The Operating Data For η max of Customer's Specifications

26

Output Power

P_2opt

0.01

0.12

W

27

Efficiency

η_opt

18

42

%

28

Speed

n_opt

233

2622

rpm

29

Load Current

I_opt

0.01

0.04

A

30

Operating Torque

M_opt

0.21

0.42

mNm