Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 18, Width: 12, Ihold: 750mA, Itrip: 1.5A, Imax: 40A, Vmax: 16V, Mounting: SMD, Terminal finish: Tin
3-161-431
Schurter
1:
$0.218
3,000 Expected 26/11/2026
New Product
Mouser Part No
693-3-161-431
New Product
Schurter
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 18, Width: 12, Ihold: 750mA, Itrip: 1.5A, Imax: 40A, Vmax: 16V, Mounting: SMD, Terminal finish: Tin
3,000 Expected 26/11/2026
1
$0.218
10
$0.196
100
$0.139
250
$0.125
500
View
500
$0.114
1,000
$0.101
2,500
$0.092
5,000
$0.086
10,000
$0.078
Buy
Min.: 1
Mult.: 1
Details
PFTL
PCB Mount
SMD/SMT
750 mA
16 V
1.5 A
40 A
110 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 18, Width: 12, Ihold: 1.1A, Itrip: 2.2A, Imax: 100A, Vmax: 6V, Mounting: SMD, Terminal finish: Tin
3-161-434
Schurter
1:
$0.218
3,000 Expected 26/11/2026
New Product
Mouser Part No
693-3-161-434
New Product
Schurter
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 18, Width: 12, Ihold: 1.1A, Itrip: 2.2A, Imax: 100A, Vmax: 6V, Mounting: SMD, Terminal finish: Tin
3,000 Expected 26/11/2026
1
$0.218
10
$0.196
100
$0.139
250
$0.125
500
View
500
$0.114
1,000
$0.101
2,500
$0.092
5,000
$0.086
10,000
$0.078
Buy
Min.: 1
Mult.: 1
Details
PFTL
PCB Mount
SMD/SMT
1.1 A
6 V
2.2 A
100 A
40 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 29, Width: 20, Ihold: 300mA, Itrip: 600mA, Imax: 10A, Vmax: 60V, Mounting: SMD, Terminal finish: Tin
3-161-455
Schurter
1:
$0.422
1,400 Expected 26/11/2026
New Product
Mouser Part No
693-3-161-455
New Product
Schurter
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 29, Width: 20, Ihold: 300mA, Itrip: 600mA, Imax: 10A, Vmax: 60V, Mounting: SMD, Terminal finish: Tin
1,400 Expected 26/11/2026
1
$0.422
10
$0.373
100
$0.264
250
$0.238
500
View
500
$0.218
1,000
$0.185
2,500
$0.173
5,000
$0.156
10,000
$0.147
Buy
Min.: 1
Mult.: 1
Details
PFTL
PCB Mount
SMD/SMT
300 mA
60 V
600 mA
10 A
600 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 29, Width: 20, Ihold: 500mA, Itrip: 1A, Imax: 10A, Vmax: 60V, Mounting: SMD, Terminal finish: Tin
3-161-456
Schurter
1:
$0.449
1,300 Expected 26/11/2026
New Product
Mouser Part No
693-3-161-456
New Product
Schurter
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 29, Width: 20, Ihold: 500mA, Itrip: 1A, Imax: 10A, Vmax: 60V, Mounting: SMD, Terminal finish: Tin
1,300 Expected 26/11/2026
1
$0.449
10
$0.388
100
$0.273
250
$0.248
500
View
500
$0.227
1,000
$0.192
2,500
$0.18
5,000
$0.163
10,000
$0.152
Buy
Min.: 1
Mult.: 1
Details
PFTL
PCB Mount
SMD/SMT
500 mA
60 V
1 A
10 A
180 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 29, Width: 20, Ihold: 1A, Itrip: 2A, Imax: 40A, Vmax: 33V, Mounting: SMD, Terminal finish: Tin
3-161-458
Schurter
1:
$0.49
1,200 Expected 26/11/2026
New Product
Mouser Part No
693-3-161-458
New Product
Schurter
Resettable Fuses - PPTC PFTL Resettable Fuse, Length: 29, Width: 20, Ihold: 1A, Itrip: 2A, Imax: 40A, Vmax: 33V, Mounting: SMD, Terminal finish: Tin
1,200 Expected 26/11/2026
1
$0.49
10
$0.428
100
$0.302
250
$0.273
500
View
500
$0.25
1,000
$0.209
2,500
$0.197
5,000
$0.177
10,000
$0.169
Buy
Min.: 1
Mult.: 1
Details
PFTL
PCB Mount
SMD/SMT
1 A
33 V
2 A
40 A
65 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 50mA, Itrip: 100mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-264
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-264
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 50mA, Itrip: 100mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
50 mA
16 V
100 mA
40 A
8 Ohms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 50mA, Itrip: 100mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-265
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-265
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 50mA, Itrip: 100mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
50 mA
16 V
100 mA
40 A
8 Ohms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 100mA, Itrip: 200mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-266
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-266
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 100mA, Itrip: 200mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
100 mA
16 V
200 mA
40 A
2 Ohms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 100mA, Itrip: 200mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-267
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-267
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 100mA, Itrip: 200mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
100 mA
16 V
200 mA
40 A
2 Ohms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 170mA, Itrip: 340mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-269
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-269
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 170mA, Itrip: 340mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
170 mA
16 V
340 mA
40 A
980 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 200mA, Itrip: 400mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-271
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-271
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 200mA, Itrip: 400mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
200 mA
16 V
400 mA
40 A
780 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 250mA, Itrip: 500mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-273
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-273
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 250mA, Itrip: 500mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
250 mA
16 V
500 mA
40 A
500 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 300mA, Itrip: 600mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-275
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-275
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 300mA, Itrip: 600mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
300 mA
16 V
600 mA
40 A
350 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 400mA, Itrip: 800mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-277
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-277
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 400mA, Itrip: 800mA, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
400 mA
16 V
800 mA
40 A
230 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 500mA, Itrip: 1A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-279
Schurter
1:
$0.163
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-279
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 500mA, Itrip: 1A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.163
10
$0.146
100
$0.103
250
$0.092
500
View
500
$0.084
1,000
$0.075
2,500
$0.069
5,000
$0.064
10,000
$0.057
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
500 mA
16 V
1 A
40 A
170 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 650mA, Itrip: 1.3A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-281
Schurter
1:
$0.177
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-281
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 650mA, Itrip: 1.3A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.177
10
$0.16
100
$0.113
250
$0.103
500
View
500
$0.094
1,000
$0.083
2,500
$0.076
5,000
$0.069
10,000
$0.063
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
650 mA
16 V
1.3 A
40 A
110 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 750mA, Itrip: 1.5A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-283
Schurter
1:
$0.177
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-283
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 750mA, Itrip: 1.5A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.177
10
$0.16
100
$0.113
250
$0.103
500
View
500
$0.094
1,000
$0.083
2,500
$0.076
5,000
$0.069
10,000
$0.063
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
750 mA
16 V
1.5 A
40 A
80 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 900mA, Itrip: 1.8A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-285
Schurter
1:
$0.204
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-285
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 900mA, Itrip: 1.8A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.204
10
$0.181
100
$0.128
250
$0.116
500
View
500
$0.106
1,000
$0.092
2,500
$0.086
5,000
$0.079
10,000
$0.071
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
900 mA
16 V
1.8 A
40 A
70 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.1A, Itrip: 2.2A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-287
Schurter
1:
$0.204
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-287
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.1A, Itrip: 2.2A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.204
10
$0.181
100
$0.128
250
$0.116
500
View
500
$0.106
1,000
$0.092
2,500
$0.086
5,000
$0.079
10,000
$0.071
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
1.1 A
16 V
2.2 A
40 A
45 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.2A, Itrip: 2.4A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-288
Schurter
1:
$0.204
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-288
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.2A, Itrip: 2.4A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.204
10
$0.181
100
$0.128
250
$0.116
500
View
500
$0.106
1,000
$0.092
2,500
$0.086
5,000
$0.079
10,000
$0.071
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
1.2 A
16 V
2.4 A
40 A
40 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.2A, Itrip: 2.4A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-289
Schurter
1:
$0.204
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-289
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.2A, Itrip: 2.4A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.204
10
$0.181
100
$0.128
250
$0.116
500
View
500
$0.106
1,000
$0.092
2,500
$0.086
5,000
$0.079
10,000
$0.071
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
1.2 A
16 V
2.4 A
40 A
40 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.35A, Itrip: 2.7A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-290
Schurter
1:
$0.204
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-290
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.35A, Itrip: 2.7A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.204
10
$0.181
100
$0.128
250
$0.116
500
View
500
$0.106
1,000
$0.092
2,500
$0.086
5,000
$0.079
10,000
$0.071
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
1.35 A
16 V
2.7 A
40 A
35 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.35A, Itrip: 2.7A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-291
Schurter
1:
$0.204
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-291
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.35A, Itrip: 2.7A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.204
10
$0.181
100
$0.128
250
$0.116
500
View
500
$0.106
1,000
$0.092
2,500
$0.086
5,000
$0.079
10,000
$0.071
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
1.35 A
16 V
2.7 A
40 A
35 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.6A, Itrip: 3.2A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-292
Schurter
1:
$0.218
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-292
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.6A, Itrip: 3.2A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.218
10
$0.196
100
$0.139
250
$0.125
500
View
500
$0.114
1,000
$0.101
2,500
$0.092
5,000
$0.086
10,000
$0.078
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
1.6 A
16 V
3.2 A
40 A
30 mOhms
- 40 C
+ 85 C
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.6A, Itrip: 3.2A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
3-161-293
Schurter
1:
$0.218
Non-Stocked Lead-Time 8 Weeks
New Product
Mouser Part No
693-3-161-293
New Product
Schurter
Resettable Fuses - PPTC PFTA Resettable Fuse, Ihold: 1.6A, Itrip: 3.2A, Imax: 40A, Vmax: 16V, Mounting: THT, Terminal finish: Tin
Non-Stocked Lead-Time 8 Weeks
1
$0.218
10
$0.196
100
$0.139
250
$0.125
500
View
500
$0.114
1,000
$0.101
2,500
$0.092
5,000
$0.086
10,000
$0.078
Buy
Min.: 1
Mult.: 1
PFTA
PCB Mount
Through Hole
1.6 A
16 V
3.2 A
40 A
30 mOhms
- 40 C
+ 85 C