26mm Dia x 38mm Length BL2638IE (Embedded Controller) (Geared) Slotless BLDC Motor

Specifications

Series No: BL2638-          – IE –               –  P    2
No.

Testing Item

Tested Values

Unit

1

Nominal voltage

UN

6

 

 

 

 

V

2

Terminal resistance, phase to phase

R

29.5

 

 

 

 

Ω

3

Output power

P2max

0.2

 

 

 

 

W

4

Efficiency

ηmax

31

 

 

 

 

%

5

No-load speed

no

1400

 

 

 

 

rpm

6

No-load current

Io

0.04

 

 

 

 

A

7

Stall torque

MH

5.37

 

 

 

 

mNm

8

Friction torque

MF

1.32

 

 

 

 

mNm

9

Speed constant

kn

290.46

 

 

 

 

rpm/V

10

Back-EMF constant

kE

3.44

 

 

 

 

mV/rpm

11

Torque constant

kM

32.88

 

 

 

 

mNm/A

12

Current constant

kI

0.03

 

 

 

 

A/mNm

13

Slope of n-M curve

Δ n/ ΔM

260.62

 

 

 

 

rpm/mNm

14

Mechanical time constant

τ m

9.12

 

 

 

 

ms

15

Rotor inertia

J

3.34

 

 

 

 

gcm2

16

Angular acceleration

αmax

16.08

 

 

 

 

103rad/s2

17

Sensor

 

Sensorless

 

18

Driver

 

DR1802IE

 

19

Weight

 

75

g

20

Operating temperature range

 

-30 ~+85

21

Commutation

 

Electronically commutation

22

Ball Bearing

 

NMB & EZO

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

P2opt

0.20

 

 

 

 

W

27

Efficiency

ηopt

31

 

 

 

 

%

28

Speed

nopt

707

 

 

 

 

rpm

29

Load Current

Iopt

0.12

 

 

 

 

A

30

Operating Torque

Mopt

2.66

 

 

 

 

mNm

 

Performance Curves

Operating Curve
Performance Curves – NT Testing Curve

NT Curve

Outline Drawing – Motor Only

Outside Drawing(BL2638IE)bl2638IE-06

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