|
|
Resettable Fuses - PPTC PolySwitch Surface Mount Resettable PPTC
- TS600-200F-RA-B-0.5-2
- Littelfuse
-
1:
£3.78
-
1,288In Stock
-
900On Order
|
Mouser Part No
650-TS600200FRAB0.52
|
Littelfuse
|
Resettable Fuses - PPTC PolySwitch Surface Mount Resettable PPTC
|
|
1,288In Stock
900On Order
|
|
|
£3.78
|
|
|
£3.15
|
|
|
£2.90
|
|
|
£2.41
|
|
|
£1.75
|
|
|
View
|
|
|
£2.22
|
|
|
£1.73
|
|
Min.: 1
Mult.: 1
:
300
|
|
|
TS600
|
PCB Mount
|
SMD/SMT
|
200 mA
|
60 VDC
|
400 mA
|
3 A
|
13.5 Ohms
|
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC Polyswitch 0.08A
- TSL250-080F-2
- Littelfuse
-
1:
£0.709
-
4,280In Stock
|
Mouser Part No
650-TSL250-080F-2
|
Littelfuse
|
Resettable Fuses - PPTC Polyswitch 0.08A
|
|
4,280In Stock
|
|
|
£0.709
|
|
|
£0.621
|
|
|
£0.536
|
|
|
£0.487
|
|
|
£0.326
|
|
|
View
|
|
|
£0.445
|
|
|
£0.388
|
|
|
£0.309
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
TSL250
|
PCB Mount
|
SMD/SMT
|
80 mA
|
80 VDC
|
240 mA
|
3 A
|
20 Ohms
|
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC Polyswitch 0.13A
- TSV250-130F-2
- Littelfuse
-
1:
£0.68
-
13,085In Stock
-
7,085On Order
|
Mouser Part No
650-TSV250-130F-2
|
Littelfuse
|
Resettable Fuses - PPTC Polyswitch 0.13A
|
|
13,085In Stock
7,085On Order
|
|
|
£0.68
|
|
|
£0.594
|
|
|
£0.54
|
|
|
£0.498
|
|
|
£0.334
|
|
|
View
|
|
|
£0.447
|
|
|
£0.412
|
|
|
£0.309
|
|
Min.: 1
Mult.: 1
:
1,200
|
|
|
TSV250
|
PCB Mount
|
SMD/SMT
|
130 mA
|
60 VDC
|
260 mA
|
3 A
|
12 Ohms
|
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.75A 12V 100A Imax
- VLR175F
- Littelfuse
-
1:
£0.666
-
32,985In Stock
-
2,000On Order
|
Mouser Part No
650-VLR175F
|
Littelfuse
|
Resettable Fuses - PPTC 1.75A 12V 100A Imax
|
|
32,985In Stock
2,000On Order
|
|
|
£0.666
|
|
|
£0.554
|
|
|
£0.509
|
|
|
£0.424
|
|
|
View
|
|
|
£0.391
|
|
|
£0.352
|
|
|
£0.325
|
|
|
£0.298
|
|
|
£0.268
|
|
Min.: 1
Mult.: 1
|
|
|
VLR
|
Strap Mount
|
SMD/SMT
|
1.75 A
|
12 VDC
|
4.2 A
|
100 A
|
62 mOhms
|
|
- 40 C
|
+ 70 C
|
|
|
Bulk
|
|
|
|
Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.50A
- 2920L050/72DR
- Littelfuse
-
1:
£0.541
-
313In Stock
|
Mouser Part No
576-2920L050/72DR
|
Littelfuse
|
Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.50A
|
|
313In Stock
|
|
|
£0.541
|
|
|
£0.499
|
|
|
£0.415
|
|
|
£0.383
|
|
|
£0.343
|
|
|
£0.255
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
2920L
|
SMD/SMT
|
SMD/SMT
|
500 mA
|
72 VDC
|
1 A
|
10 A
|
1.5 Ohms
|
2920 (7450 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 30V 350MA-HD 20A SMD
- NANOASMDCH035F/30-2
- Littelfuse
-
1:
£0.731
-
2,151In Stock
|
Mouser Part No
576-NANOSMDCH035F302
|
Littelfuse
|
Resettable Fuses - PPTC 30V 350MA-HD 20A SMD
|
|
2,151In Stock
|
|
|
£0.731
|
|
|
£0.674
|
|
|
£0.559
|
|
|
£0.516
|
|
|
View
|
|
|
£0.354
|
|
|
£0.464
|
|
|
£0.428
|
|
|
£0.394
|
|
|
£0.354
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
|
nanoASMDCH
|
SMD/SMT
|
SMD/SMT
|
350 mA
|
30 VDC
|
1.75 A
|
20 A
|
400 mOhms
|
1206 (3216 metric)
|
- 40 C
|
+ 125 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC FEMTOSMDC010F/15-2
- FEMTOSMDC010F/15-2
- Littelfuse
-
1:
£0.526
-
1,060In Stock
|
Mouser Part No
650-FEMTOSMDC010F152
|
Littelfuse
|
Resettable Fuses - PPTC FEMTOSMDC010F/15-2
|
|
1,060In Stock
|
|
|
£0.526
|
|
|
£0.48
|
|
|
£0.399
|
|
|
£0.368
|
|
|
View
|
|
|
£0.282
|
|
|
£0.331
|
|
|
£0.305
|
|
|
£0.282
|
|
|
£0.282
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
femtoSMD
|
SMD/SMT
|
SMD/SMT
|
100 mA
|
15 VDC
|
250 mA
|
40 A
|
8 Ohms
|
0603 (1608 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 3 Ohms 40 A 9 VDC - 40 C+ 85 C
- FEMTOSMDC020F-2
- Littelfuse
-
1:
£0.519
-
2,684In Stock
|
Mouser Part No
650-FEMTOSMDC020F-2
|
Littelfuse
|
Resettable Fuses - PPTC 3 Ohms 40 A 9 VDC - 40 C+ 85 C
|
|
2,684In Stock
|
|
|
£0.519
|
|
|
£0.482
|
|
|
£0.41
|
|
|
£0.381
|
|
|
£0.343
|
|
|
£0.343
|
|
Min.: 1
Mult.: 1
:
5,000
|
|
|
femtoSMD
|
PCB Mount
|
SMD/SMT
|
200 mA
|
9 VDC
|
450 mA
|
40 A
|
3 Ohms
|
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC .1A 30V Micro SMD AEC-Q200
- MICROASMD010F-2
- Littelfuse
-
1:
£0.394
-
1,596In Stock
|
Mouser Part No
650-MICROASMD010F-2
|
Littelfuse
|
Resettable Fuses - PPTC .1A 30V Micro SMD AEC-Q200
|
|
1,596In Stock
|
|
|
£0.394
|
|
|
£0.359
|
|
|
£0.298
|
|
|
£0.275
|
|
|
View
|
|
|
£0.162
|
|
|
£0.247
|
|
|
£0.228
|
|
|
£0.211
|
|
|
£0.21
|
|
|
£0.162
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
microASMD
|
SMD/SMT
|
SMD/SMT
|
100 mA
|
30 VDC
|
250 mA
|
10 A
|
15 Ohms
|
1210 (3225 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC .75A 6V 40A Imax
- MICROSMD075F-2
- Littelfuse
-
1:
£0.366
-
981In Stock
|
Mouser Part No
650-MICROSMD075F-2
|
Littelfuse
|
Resettable Fuses - PPTC .75A 6V 40A Imax
|
|
981In Stock
|
|
|
£0.366
|
|
|
£0.326
|
|
|
£0.283
|
|
|
£0.253
|
|
|
View
|
|
|
£0.156
|
|
|
£0.238
|
|
|
£0.22
|
|
|
£0.203
|
|
|
£0.196
|
|
|
£0.156
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
microSMD
|
PCB Mount
|
SMD/SMT
|
750 mA
|
6 VDC
|
1.5 A
|
40 A
|
400 mOhms
|
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.1A 6V 40A Imax
- MICROSMD110F-2
- Littelfuse
-
1:
£0.321
-
6,357In Stock
|
Mouser Part No
650-MICROSMD110F-2
|
Littelfuse
|
Resettable Fuses - PPTC 1.1A 6V 40A Imax
|
|
6,357In Stock
|
|
|
£0.321
|
|
|
£0.295
|
|
|
£0.245
|
|
|
£0.226
|
|
|
View
|
|
|
£0.133
|
|
|
£0.203
|
|
|
£0.187
|
|
|
£0.173
|
|
|
£0.133
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
microSMD
|
SMD/SMT
|
SMD/SMT
|
1.1 A
|
6 VDC
|
2.2 A
|
40 A
|
210 mOhms
|
1210 (3225 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 6V 1.75A-HD 40A MAX
- MICROSMD175F-2
- Littelfuse
-
1:
£0.38
-
4,561In Stock
|
Mouser Part No
650-MICROSMD175F-2
|
Littelfuse
|
Resettable Fuses - PPTC 6V 1.75A-HD 40A MAX
|
|
4,561In Stock
|
|
|
£0.38
|
|
|
£0.348
|
|
|
£0.29
|
|
|
£0.258
|
|
|
View
|
|
|
£0.156
|
|
|
£0.238
|
|
|
£0.222
|
|
|
£0.204
|
|
|
£0.203
|
|
|
£0.156
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
|
microSMD
|
SMD/SMT
|
SMD/SMT
|
1.75 A
|
6 VDC
|
3.5 A
|
40 A
|
80 mOhms
|
1210 (3225 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC Polyswitch 4.2A
- MICROSMD200F-2
- Littelfuse
-
1:
£0.461
-
1,953In Stock
|
Mouser Part No
650-MICROSMD200F-2
|
Littelfuse
|
Resettable Fuses - PPTC Polyswitch 4.2A
|
|
1,953In Stock
|
|
|
£0.461
|
|
|
£0.42
|
|
|
£0.348
|
|
|
£0.321
|
|
|
£0.194
|
|
|
View
|
|
|
£0.289
|
|
|
£0.267
|
|
|
£0.26
|
|
|
£0.191
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
|
microSMD
|
SMD/SMT
|
SMD/SMT
|
2 A
|
6 VDC
|
5 A
|
100 A
|
60 mOhms
|
1210 (3225 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC .1A 60V Mini SMD AEC-Q200
- MINIASMDC010F-2
- Littelfuse
-
1:
£0.394
-
3,646In Stock
|
Mouser Part No
650-MINIASMDC010F-2
|
Littelfuse
|
Resettable Fuses - PPTC .1A 60V Mini SMD AEC-Q200
|
|
3,646In Stock
|
|
|
£0.394
|
|
|
£0.359
|
|
|
£0.298
|
|
|
£0.275
|
|
|
£0.174
|
|
|
View
|
|
|
£0.247
|
|
|
£0.228
|
|
|
£0.211
|
|
|
£0.162
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniASMD
|
SMD/SMT
|
SMD/SMT
|
100 mA
|
60 VDC
|
300 mA
|
40 A
|
12.7 Ohms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC .14A 60V Mini SMD AEC-Q200
- MINIASMDC014F-2
- Littelfuse
-
1:
£0.358
-
4,999In Stock
|
Mouser Part No
650-MINIASMDC014F-2
|
Littelfuse
|
Resettable Fuses - PPTC .14A 60V Mini SMD AEC-Q200
|
|
4,999In Stock
|
|
|
£0.358
|
|
|
£0.328
|
|
|
£0.273
|
|
|
£0.252
|
|
|
£0.159
|
|
|
View
|
|
|
£0.226
|
|
|
£0.208
|
|
|
£0.192
|
|
|
£0.146
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniASMD
|
SMD/SMT
|
SMD/SMT
|
140 mA
|
60 VDC
|
280 mA
|
10 A
|
6 Ohms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.1A 16V Mini SMD AEC-Q200
- MINIASMDC110F/16-2
- Littelfuse
-
1:
£0.337
-
2,022In Stock
|
Mouser Part No
650-MINIASMDC110F/16
|
Littelfuse
|
Resettable Fuses - PPTC 1.1A 16V Mini SMD AEC-Q200
|
|
2,022In Stock
|
|
|
£0.337
|
|
|
£0.303
|
|
|
£0.258
|
|
|
£0.241
|
|
|
£0.188
|
|
|
View
|
|
|
£0.219
|
|
|
£0.205
|
|
|
£0.19
|
|
|
£0.172
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniASMD
|
SMD/SMT
|
SMD/SMT
|
1.1 A
|
16 VDC
|
2.2 A
|
100 A
|
180 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.25A 16V Mini SMD AEC-Q200
- MINIASMDC125F/16-2
- Littelfuse
-
1:
£0.337
-
1,734In Stock
|
Mouser Part No
650-MINIASMDC125F/16
|
Littelfuse
|
Resettable Fuses - PPTC 1.25A 16V Mini SMD AEC-Q200
|
|
1,734In Stock
|
|
|
£0.337
|
|
|
£0.306
|
|
|
£0.258
|
|
|
£0.238
|
|
|
View
|
|
|
£0.178
|
|
|
£0.218
|
|
|
£0.202
|
|
|
£0.188
|
|
|
£0.178
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniASMD
|
SMD/SMT
|
SMD/SMT
|
1.25 A
|
16 VDC
|
2.5 A
|
100 A
|
140 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.5A 16V Mini SMD AEC-Q200
- MINIASMDC150F/16-2
- Littelfuse
-
1:
£0.321
-
2,579In Stock
-
2,000On Order
|
Mouser Part No
650-MINIASMDC150F/16
|
Littelfuse
|
Resettable Fuses - PPTC 1.5A 16V Mini SMD AEC-Q200
|
|
2,579In Stock
2,000On Order
|
|
|
£0.321
|
|
|
£0.292
|
|
|
£0.251
|
|
|
£0.235
|
|
|
£0.184
|
|
|
View
|
|
|
£0.222
|
|
|
£0.184
|
|
|
£0.172
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniASMD
|
SMD/SMT
|
SMD/SMT
|
1.5 A
|
16 VDC
|
2.8 A
|
100 A
|
110 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.5A 24V Mini SMD AEC-Q200
- MINIASMDC150F/24-2
- Littelfuse
-
1:
£0.512
-
115In Stock
|
Mouser Part No
650-MINIASMDC150F/24
|
Littelfuse
|
Resettable Fuses - PPTC 1.5A 24V Mini SMD AEC-Q200
|
|
115In Stock
|
|
|
£0.512
|
|
|
£0.465
|
|
|
£0.386
|
|
|
£0.356
|
|
|
£0.252
|
|
|
View
|
|
|
£0.32
|
|
|
£0.295
|
|
|
£0.222
|
|
Min.: 1
Mult.: 1
:
1,000
|
|
|
miniASMD
|
SMD/SMT
|
SMD/SMT
|
1.5 A
|
24 VDC
|
3 A
|
20 A
|
120 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 2.6A 16V Mini SMD AEC-Q200
- MINIASMDC260F/16-2
- Littelfuse
-
1:
£0.446
-
1,546In Stock
|
Mouser Part No
650-MINIASMDC260F/16
|
Littelfuse
|
Resettable Fuses - PPTC 2.6A 16V Mini SMD AEC-Q200
|
|
1,546In Stock
|
|
|
£0.446
|
|
|
£0.406
|
|
|
£0.343
|
|
|
£0.315
|
|
|
£0.22
|
|
|
View
|
|
|
£0.289
|
|
|
£0.269
|
|
|
£0.203
|
|
|
£0.201
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
miniASMD
|
SMD/SMT
|
SMD/SMT
|
2.6 A
|
16 VDC
|
5 A
|
100 A
|
50 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.25A 16V 100A Imax
- MINISMDC125F/16-2
- Littelfuse
-
1:
£0.358
-
3,176In Stock
|
Mouser Part No
650-MINIC125F/16-2
|
Littelfuse
|
Resettable Fuses - PPTC 1.25A 16V 100A Imax
|
|
3,176In Stock
|
|
|
£0.358
|
|
|
£0.328
|
|
|
£0.273
|
|
|
£0.252
|
|
|
£0.166
|
|
|
View
|
|
|
£0.226
|
|
|
£0.208
|
|
|
£0.192
|
|
|
£0.163
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniSMD
|
SMD/SMT
|
SMD/SMT
|
1.25 A
|
16 VDC
|
2.5 A
|
100 A
|
140 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 33V 750MA-HD 100A MAX
- MINISMDC075F/33-2
- Littelfuse
-
1:
£0.431
-
1,610In Stock
-
3,000On Order
|
Mouser Part No
650-MINISMDC075F/332
|
Littelfuse
|
Resettable Fuses - PPTC 33V 750MA-HD 100A MAX
|
|
1,610In Stock
3,000On Order
|
|
|
£0.431
|
|
|
£0.397
|
|
|
£0.33
|
|
|
£0.304
|
|
|
£0.199
|
|
|
View
|
|
|
£0.274
|
|
|
£0.252
|
|
|
£0.184
|
|
|
£0.18
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
miniSMD
|
SMD/SMT
|
SMD/SMT
|
750 mA
|
33 VDC
|
1.6 A
|
100 A
|
390 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.10A 8V 100A Imax
- MINISMDC110F-2
- Littelfuse
-
1:
£0.278
-
3,291In Stock
|
Mouser Part No
650-MINISMDC110F-2
|
Littelfuse
|
Resettable Fuses - PPTC 1.10A 8V 100A Imax
|
|
3,291In Stock
|
|
|
£0.278
|
|
|
£0.255
|
|
|
£0.212
|
|
|
£0.196
|
|
|
£0.15
|
|
|
View
|
|
|
£0.176
|
|
|
£0.162
|
|
|
£0.15
|
|
|
£0.149
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniSMD
|
SMD/SMT
|
SMD/SMT
|
1.1 A
|
8 VDC
|
2.2 A
|
100 A
|
210 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.25A 6V 100A Imax
- miniSMDC125F-2
- Littelfuse
-
1:
£0.321
-
6,929In Stock
|
Mouser Part No
650-MINISMDC125F-2
|
Littelfuse
|
Resettable Fuses - PPTC 1.25A 6V 100A Imax
|
|
6,929In Stock
|
|
|
£0.321
|
|
|
£0.286
|
|
|
£0.248
|
|
|
£0.23
|
|
|
£0.145
|
|
|
View
|
|
|
£0.207
|
|
|
£0.19
|
|
|
£0.175
|
|
|
£0.133
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniSMD
|
SMD/SMT
|
SMD/SMT
|
1.25 A
|
6 VDC
|
2.5 A
|
100 A
|
140 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Resettable Fuses - PPTC 1.5A 6V 100A Imax
- MINISMDC150F-2
- Littelfuse
-
1:
£0.30
-
3,806In Stock
|
Mouser Part No
650-MINISMDC150F-2
|
Littelfuse
|
Resettable Fuses - PPTC 1.5A 6V 100A Imax
|
|
3,806In Stock
|
|
|
£0.30
|
|
|
£0.299
|
|
|
£0.248
|
|
|
£0.23
|
|
|
£0.145
|
|
|
View
|
|
|
£0.207
|
|
|
£0.19
|
|
|
£0.175
|
|
|
£0.133
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
miniSMD
|
SMD/SMT
|
SMD/SMT
|
1.5 A
|
6 VDC
|
3 A
|
100 A
|
110 mOhms
|
1812 (4532 metric)
|
- 40 C
|
+ 85 C
|
|
|
Reel, Cut Tape, MouseReel
|
|
United Kingdom