Potenciómetros 300 degree electrical angle, 27.3mA @ 54.7V, 2 kOhm resistance, manual single turn cermet, 30mm diameter, wirewrap leads
+2 imágenes
JP-30B 2K
Nidec Components
1:
$68.67
3 En existencias
N.º de artículo de Mouser
229-JP-30B2K
Nidec Components
Potenciómetros 300 degree electrical angle, 27.3mA @ 54.7V, 2 kOhm resistance, manual single turn cermet, 30mm diameter, wirewrap leads
3 En existencias
1
$68.67
10
$56.29
25
$55.99
100
$55.03
250
Ver
250
$54.51
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Turret
Potentiometers
1 Gang
2 kOhms
Linear
Vertical
1.5 W
54.7 V
2 %
Cermet
1 Turn
Smooth / Slotted
6 mm
17 mm
9 mm
No Switch
Without Detent
High Resolution
100000 Cycle
- 55 C
+ 85 C
JP-30B
Bulk
Potenciómetros 220 degree electrical angle, .25 W, 1 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
CRV16-00-102
Nidec Components
1:
$18.11
77 En existencias
N.º de artículo de Mouser
229-CRV16-00-102
Nidec Components
Potenciómetros 220 degree electrical angle, .25 W, 1 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
77 En existencias
1
$18.11
10
$14.52
25
$13.29
100
$10.71
300
Ver
300
$10.52
500
$10.31
1,000
$10.23
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Lug
Potentiometers
1 Gang
1 kOhms
Linear
Horizontal
250 mW (1/4 W)
20 %
Conductive Plastic
1 Turn
Smooth / Slotted
5 mm
10 mm
Long Life
500000 Cycle
IP20
- 10 C
+ 80 C
CRV16
Tray
Potenciómetros 345 degree electrical angle, 1.5 W, 1 kOhm resistance, sensing single turn conductive plastic, 0.3% linearity, 40mm diameter, wirewrap leads
360°
+2 imágenes
JC40S 1K 0.3%
Nidec Components
1:
$163.20
16 En existencias
20 Se espera el 07/10/2026
N.º de artículo de Mouser
229-JC40S1K0.3
Nidec Components
Potenciómetros 345 degree electrical angle, 1.5 W, 1 kOhm resistance, sensing single turn conductive plastic, 0.3% linearity, 40mm diameter, wirewrap leads
16 En existencias
20 Se espera el 07/10/2026
Comprar
Min.: 1
Mult.: 1
Detalles
Servo Mount
Solder Turret
Potentiometers
1 Gang
1 kOhms
Linear
Vertical
1.5 W
500 VDC
15 %
Conductive Plastic
1 Turn
Smooth
6 mm
20 mm
No Switch
Without Detent
Long Life
30000000 Cycle
IP40
- 40 C
+ 85 C
JC
Bulk
Potenciómetros 300 degree electrical angle, 38.7mA @ 38.7V, 1 kOhm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
360°
+2 imágenes
JP-30 1K
Nidec Components
1:
$77.25
2 En existencias
N.º de artículo de Mouser
229-JP-301K
Nidec Components
Potenciómetros 300 degree electrical angle, 38.7mA @ 38.7V, 1 kOhm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
2 En existencias
1
$77.25
10
$62.41
25
$59.89
100
$56.24
250
Ver
250
$55.84
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Turret
Potentiometers
1 Gang
1 kOhms
Linear
Vertical
1.5 W
38.7 V
2 %
Cermet
1 Turn
Smooth
4 mm
17 mm
9 mm
No Switch
Without Detent
High Resolution
3000000 Cycle
- 55 C
+ 85 C
JP-30
Bulk
Potenciómetros 300 degree electrical angle, 17.3mA @ 86.6V, 5 kOhm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
+2 imágenes
JP-30 5K
Nidec Components
1:
$77.25
1 En existencias
N.º de artículo de Mouser
229-JP-305K
Nidec Components
Potenciómetros 300 degree electrical angle, 17.3mA @ 86.6V, 5 kOhm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
1 En existencias
1
$77.25
10
$62.41
25
$59.89
100
$56.24
250
Ver
250
$55.84
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Turret
Potentiometers
1 Gang
5 kOhms
Linear
Vertical
1.5 W
86.6 V
2 %
Cermet
1 Turn
Smooth
4 mm
17 mm
9 mm
No Switch
Without Detent
High Resolution
3000000 Cycle
- 55 C
+ 85 C
JP-30
Bulk
Potenciómetros 320 degree electrical angle, .5 W, 1 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 22mm diameter, solder lug terminals
Nidec Components JC22E 1K 1%
JC22E 1K 1%
Nidec Components
1:
$58.64
4 En existencias
N.º de artículo de Mouser
229-JC22E1K1
Nidec Components
Potenciómetros 320 degree electrical angle, .5 W, 1 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 22mm diameter, solder lug terminals
4 En existencias
1
$58.64
10
$42.24
30
$41.03
100
$40.13
250
Ver
250
$39.70
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Lug
Potentiometers
1 Gang
1 kOhms
Linear
500 mW (1/2 W)
20 %
Conductive Plastic
1 Turn
Smooth
6 mm
14 mm
Without Detent
Long Life
10000000 Cycle
IP40
- 40 C
+ 85 C
JC
Bulk
Potenciómetros 320 degree electrical angle, .5 W, 10 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 22mm diameter, solder lug terminals
Nidec Components JC22E 10K 1%
JC22E 10K 1%
Nidec Components
1:
$58.64
37 En existencias
20 Se espera el 16/12/2026
N.º de artículo de Mouser
229-JC22E10K1
Nidec Components
Potenciómetros 320 degree electrical angle, .5 W, 10 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 22mm diameter, solder lug terminals
37 En existencias
20 Se espera el 16/12/2026
1
$58.64
10
$44.02
30
$42.80
100
$39.99
250
Ver
250
$39.39
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Lug
Potentiometers
1 Gang
10 kOhms
Linear
Vertical
500 mW (1/2 W)
500 VDC
20 %
Conductive Plastic
1 Turn
Smooth
6 mm
14 mm
No Switch
Without Detent
Long Life
10000000 Cycle
IP40
- 40 C
+ 85 C
JC
Bulk
Potenciómetros 340 degree electrical angle, .5 W, 2 kOhm resistance, sensing single turn conductive plastic, 0.5% linearity, 22mm diameter, wirewrap leads
Nidec Components JC22S 2K 0.5%
JC22S 2K 0.5%
Nidec Components
1:
$135.24
5 En existencias
N.º de artículo de Mouser
229-JC22S2K0.5
Nidec Components
Potenciómetros 340 degree electrical angle, .5 W, 2 kOhm resistance, sensing single turn conductive plastic, 0.5% linearity, 22mm diameter, wirewrap leads
5 En existencias
Comprar
Min.: 1
Mult.: 1
Detalles
Servo Mount
Potentiometers
1 Gang
2 kOhms
Linear
500 mW (1/2 W)
15 %
Conductive Plastic
1 Turn
Smooth
3 mm
15 mm
Without Detent
Long Life
20000000 Cycle
IP40
- 40 C
+ 85 C
JC
Bulk
Potenciómetros 340 degree electrical angle, .5 W, 5 kOhm resistance, sensing single turn conductive plastic, 0.5% linearity, 22mm diameter, wirewrap leads
Nidec Components JC22S 5K 0.5%
JC22S 5K 0.5%
Nidec Components
1:
$135.24
1 En existencias
N.º de artículo de Mouser
229-JC22S5K0.5
Nidec Components
Potenciómetros 340 degree electrical angle, .5 W, 5 kOhm resistance, sensing single turn conductive plastic, 0.5% linearity, 22mm diameter, wirewrap leads
1 En existencias
Comprar
Min.: 1
Mult.: 1
Detalles
Servo Mount
Solder Turret
Potentiometers
1 Gang
5 kOhms
Linear
Vertical
500 mW (1/2 W)
500 VDC
15 %
Conductive Plastic
1 Turn
Smooth
3 mm
15 mm
No Switch
Without Detent
Long Life
20000000 Cycle
IP40
- 40 C
+ 85 C
JC
Bulk
Potenciómetros 324 degree electrical angle, .125 W, 10 kOhm resistance, sensing single turn conductive plastic, 2% linearity, 10mm diameter, wirewrap leads
+1 imagen
JC10-000-103N
Nidec Components
1:
$16.91
200 En existencias
N.º de artículo de Mouser
229-JC10-000-103N
Nidec Components
Potenciómetros 324 degree electrical angle, .125 W, 10 kOhm resistance, sensing single turn conductive plastic, 2% linearity, 10mm diameter, wirewrap leads
200 En existencias
1
$16.91
10
$13.05
50
$12.32
100
$11.64
250
Ver
250
$10.79
500
$10.17
1,000
$9.63
Comprar
Min.: 1
Mult.: 1
Detalles
PCB Mount
PC Pin
Potentiometers
1 Gang
10 kOhms
Linear
Vertical
125 mW (1/8 W)
500 VDC
20 %
Conductive Plastic
1 Turn
Smooth / Slotted
3 mm
8 mm
No Switch
Without Detent
Long Life
5000000 Cycle
IP40
- 30 C
+ 85 C
JC10
Bulk
Potenciómetros 320 degree electrical angle, 5V DC, sensing single turn optical contactless, 22mm diameter, wire leads
JT22-320-500
Nidec Components
1:
$139.91
21 En existencias
N.º de artículo de Mouser
229-JT22-320-500
Nidec Components
Potenciómetros 320 degree electrical angle, 5V DC, sensing single turn optical contactless, 22mm diameter, wire leads
21 En existencias
1
$139.91
10
$119.91
30
$92.24
120
$87.10
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Wire Lead
Potentiometers
1 Gang
Linear
Vertical
5 VDC
1 Turn
Flatted / D
3 mm
8 mm
9 mm
No Switch
Without Detent
Optical Contactless
100000000 Cycle
IP40
- 30 C
+ 80 C
JT22
Bulk
Potenciómetros 220 degree electrical angle, .25 W, 5 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
360°
+5 imágenes
CRV16-00-502
Nidec Components
1:
$18.11
83 En existencias
N.º de artículo de Mouser
229-CRV16-00-502
Nidec Components
Potenciómetros 220 degree electrical angle, .25 W, 5 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
83 En existencias
1
$18.11
10
$14.52
25
$13.29
100
$10.47
300
Ver
300
$9.61
500
$9.14
1,000
$8.68
5,000
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Lug
Potentiometers
1 Gang
5 kOhms
Linear
Horizontal
250 mW (1/4 W)
500 VDC
20 %
Conductive Plastic
1 Turn
Smooth / Slotted
5 mm
10 mm
No Switch
Without Detent
Long Life
500000 Cycle
IP20
- 10 C
+ 80 C
CRV16
Tray
Potenciómetros 120 degree electrical angle, 5V DC, sensing single turn optical contactless, 22mm diameter, wire leads
JT22-120-500
Nidec Components
1:
$136.73
1 En existencias
30 Se espera el 22/09/2026
N.º de artículo de Mouser
229-JT22-120-500
Nidec Components
Potenciómetros 120 degree electrical angle, 5V DC, sensing single turn optical contactless, 22mm diameter, wire leads
1 En existencias
30 Se espera el 22/09/2026
1
$136.73
10
$113.31
30
$97.77
120
$92.33
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Wire Lead
Potentiometers
1 Gang
Linear
Vertical
5 VDC
1 Turn
Flatted / D
3 mm
8 mm
9 mm
No Switch
Without Detent
Optical Contactless
100000000 Cycle
IP40
- 30 C
+ 80 C
JT22
Bulk
Potenciómetros 324 degree electrical angle, .125 W, 5 kOhm resistance, sensing single turn conductive plastic, 2% linearity, 10mm diameter, wirewrap leads
Nidec Components JC10-000-502N
JC10-000-502N
Nidec Components
1:
$17.00
26 En existencias
100 Se espera el 09/09/2026
N.º de artículo de Mouser
229-JC10-000-502N
Nidec Components
Potenciómetros 324 degree electrical angle, .125 W, 5 kOhm resistance, sensing single turn conductive plastic, 2% linearity, 10mm diameter, wirewrap leads
26 En existencias
100 Se espera el 09/09/2026
1
$17.00
10
$13.12
50
$12.39
100
$11.70
250
Ver
250
$10.86
500
$10.26
1,000
$9.69
Comprar
Min.: 1
Mult.: 1
Detalles
PCB Mount
PC Pin
Potentiometers
1 Gang
5 kOhms
Linear
Vertical
125 mW (1/8 W)
500 VDC
20 %
Conductive Plastic
1 Turn
Smooth / Slotted
3 mm
8 mm
No Switch
Without Detent
Long Life
5000000 Cycle
IP40
- 30 C
+ 85 C
JC10
Bulk
Potenciómetros 120 degree electrical angle, 5V DC, sensing single turn optical contactless, 30mm diameter, wire leads
JT30-120-500
Nidec Components
1:
$202.09
20 Se espera el 09/09/2026
N.º de artículo de Mouser
229-JT30-120-500
Nidec Components
Potenciómetros 120 degree electrical angle, 5V DC, sensing single turn optical contactless, 30mm diameter, wire leads
20 Se espera el 09/09/2026
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Wire Lead
Potentiometers
1 Gang
Linear
Vertical
5 VDC
1 Turn
Flatted / D
6 mm
15 mm
No Switch
Without Detent
Optical Contactless
200000000 Cycle
IP40
- 30 C
+ 80 C
JT30
Bulk
Potenciómetros 120 degree electrical angle, 12V DC, sensing single turn optical contactless, 30mm diameter, wire leads
JT30-120-C00
Nidec Components
1:
$202.09
18 Se espera el 29/10/2026
N.º de artículo de Mouser
229-JT30-120-C00
Nidec Components
Potenciómetros 120 degree electrical angle, 12V DC, sensing single turn optical contactless, 30mm diameter, wire leads
18 Se espera el 29/10/2026
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Wire Lead
Potentiometers
1 Gang
Linear
12 VDC
1 Turn
Flatted / D
6 mm
15 mm
Without Detent
Optical Contactless
200000000 Cycle
IP40
- 30 C
+ 80 C
JT30
Bulk
Potenciómetros 320 degree electrical angle, 5V DC, sensing single turn optical contactless, 30mm diameter, wire leads
JT30-340-500
Nidec Components
1:
$190.66
18 Se espera el 02/09/2026
N.º de artículo de Mouser
229-JT30-340-500
Nidec Components
Potenciómetros 320 degree electrical angle, 5V DC, sensing single turn optical contactless, 30mm diameter, wire leads
18 Se espera el 02/09/2026
1
$190.66
10
$149.16
20
$136.23
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Wire Lead
Potentiometers
1 Gang
Linear
Vertical
5 VDC
1 Turn
Flatted / D
6 mm
15 mm
No Switch
Without Detent
Optical Contactless
200000000 Cycle
IP40
- 30 C
+ 80 C
JT30
Bulk
Potenciómetros 300 degree electrical angle, 12.2mA @ 122V, 10 kOhm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
360°
+2 imágenes
JP-30 10K
Nidec Components
1:
$77.23
2 Se espera el 09/12/2026
N.º de artículo de Mouser
229-JP-3010K
Nidec Components
Potenciómetros 300 degree electrical angle, 12.2mA @ 122V, 10 kOhm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
2 Se espera el 09/12/2026
1
$77.23
10
$62.10
25
$59.58
100
$55.93
250
Ver
250
$55.52
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Turret
Potentiometers
1 Gang
10 kOhms
Linear
Vertical
1.5 W
122 V
2 %
Cermet
1 Turn
Smooth
4 mm
17 mm
9 mm
No Switch
Without Detent
High Resolution
3000000 Cycle
- 55 C
+ 85 C
JP-30
Bulk
Potenciómetros 300 degree electrical angle, 38.7mA @ 38.7V, 1 kOhm resistance, manual single turn cermet, 30mm diameter, wirewrap leads
+2 imágenes
JP-30B 1K
Nidec Components
1:
$62.24
5 En pedido
N.º de artículo de Mouser
229-JP-30B1K
Nidec Components
Potenciómetros 300 degree electrical angle, 38.7mA @ 38.7V, 1 kOhm resistance, manual single turn cermet, 30mm diameter, wirewrap leads
5 En pedido
Ver fechas
En pedido:
1 Se espera el 24/11/2026
4 Se espera el 23/12/2026
Plazo de entrega de fábrica:
23 Semanas
1
$62.24
10
$55.71
25
$53.46
100
$50.22
250
Ver
250
$49.87
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Turret
Potentiometers
1 Gang
1 kOhms
Linear
Vertical
1.5 W
38.7 V
2 %
Cermet
1 Turn
Smooth / Slotted
6 mm
17 mm
9 mm
No Switch
Without Detent
High Resolution
100000 Cycle
- 55 C
+ 85 C
JP-30B
Bulk
Potenciómetros 120 degree electrical angle, 12V DC, sensing turn optical contactless, 22mm diameter, wire leads
JT22-120-C00
Nidec Components
1:
$129.00
19 Se espera el 31/08/2026
N.º de artículo de Mouser
229-JT22-120-C00
Nidec Components
Potenciómetros 120 degree electrical angle, 12V DC, sensing turn optical contactless, 22mm diameter, wire leads
19 Se espera el 31/08/2026
1
$129.00
10
$106.90
30
$92.24
120
$87.10
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Wire Lead
Potentiometers
1 Gang
Linear
Vertical
12 VDC
1 Turn
Flatted / D
3 mm
8 mm
9 mm
No Switch
Without Detent
Optical Contactless
100000000 Cycle
IP40
- 30 C
+ 80 C
JT22
Bulk
Potenciómetros 324 degree electrical angle, .125 W, 2 kOhm resistance, sensing single turn conductive plastic, 2% linearity, 10mm diameter, wirewrap leads
Nidec Components JC10-000-202N
JC10-000-202N
Nidec Components
1:
$19.94
100 Se espera el 04/12/2026
N.º de artículo de Mouser
229-JC10-000-202N
Nidec Components
Potenciómetros 324 degree electrical angle, .125 W, 2 kOhm resistance, sensing single turn conductive plastic, 2% linearity, 10mm diameter, wirewrap leads
100 Se espera el 04/12/2026
1
$19.94
10
$15.99
50
$12.51
100
$12.17
250
Ver
250
$11.86
500
$11.49
1,000
$11.35
2,500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
PC Pin
Potentiometers
1 Gang
2 kOhms
Linear
Vertical
125 mW (1/8 W)
20 %
Conductive Plastic
1 Turn
Smooth / Slotted
3 mm
8 mm
Long Life
5000000 Cycle
IP40
- 30 C
+ 85 C
JC10
Bulk
Potenciómetros 220 degree electrical angle, .25 W, 10 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
CRV16-00-103
Nidec Components
100:
$10.75
No en existencias
N.º de artículo de Mouser
229-CRV16-00-103
Nidec Components
Potenciómetros 220 degree electrical angle, .25 W, 10 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
No en existencias
Comprar
Min.: 100
Mult.: 100
Detalles
Panel Mount
Solder Lug
Potentiometers
1 Gang
10 kOhms
Linear
Horizontal
250 mW (1/4 W)
20 %
Conductive Plastic
1 Turn
Smooth / Slotted
5 mm
10 mm
Long Life
500000 Cycle
IP20
- 10 C
+ 80 C
CRV16
Tray
Potenciómetros 220 degree electrical angle, .25 W, 2 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
CRV16-00-202
Nidec Components
100:
$10.75
No en existencias
N.º de artículo de Mouser
229-CRV16-00-202
Nidec Components
Potenciómetros 220 degree electrical angle, .25 W, 2 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
No en existencias
Comprar
Min.: 100
Mult.: 100
Detalles
Panel Mount
Solder Lug
Potentiometers
1 Gang
2 kOhms
Linear
Horizontal
250 mW (1/4 W)
20 %
Conductive Plastic
1 Turn
Smooth / Slotted
5 mm
10 mm
Long Life
500000 Cycle
IP20
- 10 C
+ 80 C
CRV16
Tray
Potenciómetros 300 degree electrical angle, 54.7mA @ 27.3V, 500 Ohm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
+1 imagen
JP-30 500
Nidec Components
1:
$66.95
No en existencias
N.º de artículo de Mouser
229-JP-30500
Nidec Components
Potenciómetros 300 degree electrical angle, 54.7mA @ 27.3V, 500 Ohm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
No en existencias
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Turret
Potentiometers
1 Gang
500 Ohms
Linear
Vertical
1.5 W
27.3 V
2 %
Cermet
1 Turn
Smooth
4 mm
17 mm
9 mm
No Switch
Without Detent
High Resolution
3000000 Cycle
- 55 C
+ 85 C
JP-30
Bulk
Potenciómetros 300 degree electrical angle, 17.3mA @ 86.6V, 5 kOhm resistance, manual single turn cermet, 30mm diameter, wirewrap leads
360°
+1 imagen
JP-30B 5K
Nidec Components
1:
$68.67
No en existencias
N.º de artículo de Mouser
229-JP-30B5K
Nidec Components
Potenciómetros 300 degree electrical angle, 17.3mA @ 86.6V, 5 kOhm resistance, manual single turn cermet, 30mm diameter, wirewrap leads
No en existencias
1
$68.67
10
$56.07
25
$54.99
100
$53.09
250
Ver
250
$52.57
500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Panel Mount
Solder Turret
Potentiometers
1 Gang
5 kOhms
Linear
Vertical
1.5 W
86.6 V
2 %
Cermet
1 Turn
Smooth / Slotted
6 mm
17 mm
9 mm
No Switch
Without Detent
High Resolution
100000 Cycle
- 55 C
+ 85 C
JP-30B
Bulk