Dark mode is now available! Toggle between light and dark modes. Preference saves when signed in.
Change Theme
Learn more
Filters
Sign In
Sign up
Resources
BOM Tool
Cost your BOM with best offers and prefilled carts
API
Instant electronic part data for design and sourcing
The Pulse
Blog for PCB design, components, and industry trends
Browse
Electronic Parts by Category
Browse parts by function and type
Manufacturers
Explore parts by manufacturer
Distributors
Find authorized sellers and availability
Appearance
Theme
Light, dark, or match browser
Browser
Price & Availability
Part Specifications
Distributor links are sponsored
Select a category
Results: 1,791
Filters
Quick Filters
Active
In Stock
RoHS Compliant
Has Datasheet
Specifications
Edit filters
View 1,791 Results
Sort: Relevance
QOB120GFI
$
248.000
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120V AC, 10kA at 120V AC, A Curve
Square D
Datasheet
Manufacturer Page
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
RS (Formerly Allied Electronics)
QOB120GFI
2
1
Bulk
USD
265.61
265.61
265.61
265.61
265.61
21h
Zoro
G3112286
174
USD
238.99
238.99
238.99
238.99
238.99
15h
Electronic Supply
QOB120GFI
37
2d
Newark
QOB120GFI
0
1
USD
366.36
265.61
265.61
265.61
265.61
Galco
QOB120GFI
0
1
USD
179.77
179.77
179.77
179.77
179.77
8h
Show All
Specification
Descriptions
QOB120
$
39.800
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
Square D
Datasheet
Manufacturer Page
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
RS (Formerly Allied Electronics)
QOB120
91
1
Bulk
USD
49.300
49.300
49.300
49.300
49.300
21h
Zoro
G0555362
1,000
USD
41.250
41.250
41.250
41.250
41.250
15h
Newark
QOB120
22
1
USD
92.470
67.040
51.780
49.010
49.010
Steven Engineering
QOB120
1
USD
37.223
37.223
37.223
37.223
37.223
4h
Electronic Supply
QOB120
37
2d
Show All
Specification
Descriptions
QOB120VH1021
$
261.000
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC
Square D
Datasheet
Manufacturer Page
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
Standard Electric Supply Co.
QOB120VH1021
1
1
USD
231.58
231.58
231.58
231.58
231.58
1h
Zoro
G0841036
10
USD
251.99
251.99
251.99
251.99
251.99
15h
Electronic Supply
QOB120VH1021
19
2d
Newark
QOB120VH1021
0
1
USD
367.57
266.49
266.49
266.49
266.49
Galco
QOB120VH1021
0
1
USD
275.49
275.49
275.49
275.49
275.49
8h
Show All
Specification
Descriptions
QOB120VH
$
77.760
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 22kA at 120/240V AC
Square D
Datasheet
Manufacturer Page
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
Zoro
G3035645
107
USD
90.950
90.950
90.950
90.950
90.950
15h
Electronic Supply
QOB120VH
37
2d
Newark
QOB120VH
0
10
USD
90.730
79.390
79.390
79.390
Galco
QOB120VH
0
1
USD
65.198
65.198
65.198
65.198
65.198
8h
DigiKey
4008-QOB120VH-ND
1
1
Box
USD
77.760
77.760
77.760
77.760
77.760
Show All
Specification
Descriptions
QOB125
$
40.525
Miniature Circuit Breaker, QO Series, 25A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
Square D
Datasheet
Manufacturer Page
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
RS (Formerly Allied Electronics)
QOB125
1
1
Bulk
USD
43.780
43.780
43.780
43.780
43.780
21h
Zoro
G2452213
90
USD
41.250
41.250
41.250
41.250
41.250
15h
Electronic Supply
QOB125
19
2d
Newark
QOB125
0
1
USD
74.020
53.660
44.410
44.410
44.410
Galco
QOB125
0
1
USD
33.369
33.369
33.369
33.369
33.369
8h
Show All
Specification
Descriptions
ROB-12859
$
20.055
Big Easy Driver A4988 Bi-polar Microstepping Driver 30V
SparkFun
CAD Models
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
Master Electronics
ROB-12859
14
1
USD
20.390
19.420
18.460
18.070
18.070
Verical
ROB-12859
13
3
USD
23.147
23.147
23.147
23.147
Onlinecomponents.com
ROB-12859
14
1
Bulk
USD
20.390
19.420
18.460
18.070
18.070
Mouser
474-ROB-12859
67
1
USD
21.500
21.500
21.500
21.500
21.500
Arrow Electronics
ROB-12859
0
1
USD
21.500
21.500
21.500
21.500
21.500
Show All
Specification
Descriptions
QOB1201021
$
233.990
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
Square D
Datasheet
Manufacturer Page
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
RS (Formerly Allied Electronics)
QOB1201021
1
1
Bulk
USD
303.66
303.66
303.66
303.66
303.66
21h
Zoro
G0597502
45
USD
233.99
233.99
233.99
233.99
233.99
15h
Electronic Supply
QOB1201021
4
2d
Newark
QOB1201021
0
1
USD
418.84
303.66
303.66
303.66
303.66
Specification
Descriptions
BOB-12009
$
3.840
Logic Level Converter - Bi-Directional
SparkFun
CAD Models
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
Master Electronics
BOB-12009
377
5
USD
4.390
3.900
3.840
3.820
Verical
BOB-12009
375
15
USD
4.893
4.772
4.772
Onlinecomponents.com
BOB-12009
377
5
Bulk
USD
4.390
3.900
3.840
3.820
Mouser
474-BOB-12009
1,584
1
USD
3.950
3.950
3.950
3.950
3.950
Arrow Electronics
BOB-12009
0
1
USD
3.500
3.500
3.500
3.500
3.500
Specification
Descriptions
XTOB125GC1
$
448.265
Overload Relay, 95-125A, F-G Frame,
Eaton / Cutler Hammer
Datasheet
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
Airline Hydraulics
EATON XTOB125GC1
8
1
USD
227.24
227.24
227.24
227.24
227.24
4h
Newark
XTOB125GC1
9
1
USD
405.20
369.06
317.54
317.54
317.54
Onlinecomponents.com
XTOB125GC1
0
1
Bulk
USD
457.99
445.44
445.44
445.44
445.44
RS (Formerly Allied Electronics)
XTOB125GC1
0
1
Bulk
USD
460.66
460.66
460.66
460.66
460.66
21h
Master Electronics
XTOB125GC1
0
1
USD
457.99
445.44
445.44
445.44
445.44
Specification
Descriptions
QOB120HID
$
49.550
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
Square D
Datasheet
Manufacturer Page
Add to BOM
Distributor
SKU
Stock
Min
Pkg
Bulk Pricing
1
10
100
1,000
10,000
RS (Formerly Allied Electronics)
QOB120HID
2
1
Bulk
USD
59.420
59.420
59.420
59.420
59.420
21h
Zoro
G7118483
187
USD
49.550
49.550
49.550
49.550
49.550
15h
Electronic Supply
QOB120HID
19
2d
Newark
QOB120HID
0
10
USD
74.510
54.020
54.020
54.020
Component Stockers USA
QOB120HID
65
USD
47.630
47.630
47.630
47.630
4d
Specification
Descriptions
1
2
3
4
5
6
…
10
20
30
40
50
60
70
80
90
100
Page 1 of 100
Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 10
Page 20
Page 30
Page 40
Page 50
Page 60
Page 70
Page 80
Page 90
Page 100
Next
Talk to Us!