Brushless DC Motors & Matching Drives

22ECT82 ULTRA EC

Slotless Brushless DC Mini Motor

The 22ECT Ultra EC is designed specifically to deliver ultra high torque in a compact size. The 22ECT is specifically optimized for high continuous torque at low to medium speeds, maximizing power between 10 K and 20 K rpm. These motors are capable of delivering 2 times higher continuous torque than comparable BLDC motors of same size over the entire low speed range when used with gears.

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Winding	unit	22ECT82 10B 6	22ECT82 10B 9	22ECT82 10B 15
Diameter	mm	22	22	22
Length	mm	82.00	82.00	82.00
Nominal Voltage	Volt	24.0	24.0	24.0
Optimization Speed		0	0	0
No-Load Speed	rpm	18,000	12,150	7,350
Typical No-Load Current	mA	390	210	100
Max continuous mechanical power (@ 25°C)	W	104.0	104.0	104.0
Max continuous Current	A	7.9	5.3	3.2
Max Continuous Torque	mNm	98.40	98.80	98.30
Back-EMF Constant	V/1000 rpm	1.30	1.96	3.22
Torque Constant	mNm/A	12.39	18.68	30.79
Motor Constant k/R½	mNm/W½	36.1	36.2	36.0
Internal resistance - phase to phase	Ω	0.12	0.27	0.73
Line to Line resistance at connectors	Ω	0.15	0.30	0.76
Inductance - phase to phase	mH	0.02	0.03	0.09
Mechanical Time Constant	ms	1.0	1.0	1.0
Electrical time constant	ms	0.13	0.13	0.13
Max motor speed	rpm	61,000	61,000	61,000
Ambient working temperature range	°C	-30 to + 100	-30 to + 100	-30 to + 100
Ambient storage temperature range	°C	-40 to + 100	-40 to + 100	-40 to + 100
Ball bearings preload	N	6.8	6.8	6.8
Axial static force without shaft support	N	45	45	45
Max winding temperature	°C	125	125	125
Thermal Resistance	°C/W	1.4 / 8.2	1.4 / 8.2	1.4 / 8.2
Thermal Time Constant	°C/W	1140	1140	1140
Weight	g	174	174	174
Rotor Inertia	gcm²	13.2	13.2	13.2
Typical Housing Material		Stainless steel aluminum flanges	Stainless steel aluminum flanges	Stainless steel aluminum flanges
Hall Sensor Elecrical Phasing	electrical °	120	120	120

22ECT82 ULTRA EC

Slotless Brushless DC Mini Motor

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