|
|
Digital Transistors AUTO AEC-Q TR NPN+PNP Q1BSR=47kOhm Q1BER=22kOhm Q2BSR=47kOhm Q2BER=22kOhm VCEO=50V IC=0.1A (SOT563)
- RN4989FE,LXHF(CT
- Toshiba
-
1:
$0.382
-
3,896In Stock
|
Mouser Part No
757-RN4989FELXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR NPN+PNP Q1BSR=47kOhm Q1BER=22kOhm Q2BSR=47kOhm Q2BER=22kOhm VCEO=50V IC=0.1A (SOT563)
|
|
3,896In Stock
|
|
|
$0.382
|
|
|
$0.306
|
|
|
$0.19
|
|
|
$0.131
|
|
|
$0.07
|
|
|
View
|
|
|
$0.112
|
|
|
$0.10
|
|
|
$0.062
|
|
|
$0.059
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
Digital Transistors
|
|
SMD/SMT
|
ES-6
|
NPN, PNP
|
|
|
|
Digital Transistors AUTO AEC-Q 2-in-1 (Point-symmetrical) NPN + PNP Q1BSR=4.7kO, VCEO=50V, IC=0.1A (SOT-563)
- RN4990FE,LXHF(CT
- Toshiba
-
1:
$0.382
-
6,500In Stock
|
Mouser Part No
757-RN4990FELXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q 2-in-1 (Point-symmetrical) NPN + PNP Q1BSR=4.7kO, VCEO=50V, IC=0.1A (SOT-563)
|
|
6,500In Stock
|
|
|
$0.382
|
|
|
$0.237
|
|
|
$0.149
|
|
|
$0.112
|
|
|
$0.07
|
|
|
View
|
|
|
$0.098
|
|
|
$0.087
|
|
|
$0.062
|
|
|
$0.059
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
Digital Transistors
|
|
SMD/SMT
|
ES-6
|
NPN, PNP
|
|
|
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=4.7kO, Q1BER=10kO, VCEO=50V, IC=0.1A (SOT-346)
- RN1416,LXHF
- Toshiba
-
1:
$0.297
-
13In Stock
|
Mouser Part No
757-RN1416LXHF
|
Toshiba
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=4.7kO, Q1BER=10kO, VCEO=50V, IC=0.1A (SOT-346)
|
|
13In Stock
|
|
|
$0.297
|
|
|
$0.181
|
|
|
$0.113
|
|
|
$0.084
|
|
|
$0.063
|
|
|
View
|
|
|
$0.072
|
|
|
$0.058
|
|
|
$0.044
|
|
|
$0.043
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SC-59-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q Single PNP Q1BSR=4.7kO, Q1BER=4.7kO, VCEO=-50V, IC=-0.1A (SOT-416)
- RN2101,LXHF(CT
- Toshiba
-
1:
$0.277
-
|
Mouser Part No
757-RN2101LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q Single PNP Q1BSR=4.7kO, Q1BER=4.7kO, VCEO=-50V, IC=-0.1A (SOT-416)
|
|
|
|
|
$0.277
|
|
|
$0.172
|
|
|
$0.108
|
|
|
$0.079
|
|
|
$0.058
|
|
|
View
|
|
|
$0.07
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
PNP
|
|
|
|
Digital Transistors AUTO AEC-Q Single PNP Q1BSR=4.7kO, VCEO=-50V, IC=-0.1A (SOT-416)
- RN2110,LXHF(CT
- Toshiba
-
1:
$0.277
-
|
Mouser Part No
757-RN2110LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q Single PNP Q1BSR=4.7kO, VCEO=-50V, IC=-0.1A (SOT-416)
|
|
|
|
|
$0.277
|
|
|
$0.172
|
|
|
$0.108
|
|
|
$0.079
|
|
|
$0.058
|
|
|
View
|
|
|
$0.071
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
PNP
|
|
|
|
Bipolar Transistors - BJT AUTO AEC-Q PNP + NPN Tr VCEO:-50V Ic:-0.15A hFE:120-240 SOT-563 (ES6)
- HN1B04FE-Y,LXHF
- Toshiba
-
1:
$0.659
-
1,254In Stock
|
Mouser Part No
757-HN1B04FE-YLXHF
|
Toshiba
|
Bipolar Transistors - BJT AUTO AEC-Q PNP + NPN Tr VCEO:-50V Ic:-0.15A hFE:120-240 SOT-563 (ES6)
|
|
1,254In Stock
|
|
|
$0.659
|
|
|
$0.409
|
|
|
$0.263
|
|
|
$0.201
|
|
|
$0.136
|
|
|
View
|
|
|
$0.181
|
|
|
$0.163
|
|
|
$0.124
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
BJTs - Bipolar Transistors
|
Si
|
SMD/SMT
|
ES-6
|
NPN, PNP
|
|
|
|
Bipolar Transistors - BJT AUTO AEC-Q PNP + NPN Tr VCEO:-50V Ic:-0.15A hFE:120-240 SOT-363 (US6)
- HN1B04FU-Y,LXHF
- Toshiba
-
1:
$0.516
-
Non-Stocked Lead-Time 16 Weeks
|
Mouser Part No
757-HN1B04FU-YLXHF
|
Toshiba
|
Bipolar Transistors - BJT AUTO AEC-Q PNP + NPN Tr VCEO:-50V Ic:-0.15A hFE:120-240 SOT-363 (US6)
|
|
Non-Stocked Lead-Time 16 Weeks
|
|
|
$0.516
|
|
|
$0.317
|
|
|
$0.201
|
|
|
$0.152
|
|
|
$0.114
|
|
|
View
|
|
|
$0.136
|
|
|
$0.109
|
|
|
$0.09
|
|
|
$0.087
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
BJTs - Bipolar Transistors
|
Si
|
SMD/SMT
|
US-6
|
NPN, PNP
|
|
|
|
Bipolar Transistors - BJT AUTO AEC-Q NPN + NPN Tr VCEO:50V Ic:0.15A hFE:120-400 SOT-563 (ES6)
- HN1C01FE-Y,LXHF
- Toshiba
-
1:
$0.316
-
Non-Stocked Lead-Time 16 Weeks
|
Mouser Part No
757-HN1C01FE-YLXHF
|
Toshiba
|
Bipolar Transistors - BJT AUTO AEC-Q NPN + NPN Tr VCEO:50V Ic:0.15A hFE:120-400 SOT-563 (ES6)
|
|
Non-Stocked Lead-Time 16 Weeks
|
|
|
$0.316
|
|
|
$0.192
|
|
|
$0.12
|
|
|
$0.09
|
|
|
$0.057
|
|
|
View
|
|
|
$0.079
|
|
|
$0.07
|
|
|
$0.05
|
|
|
$0.048
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
BJTs - Bipolar Transistors
|
Si
|
SMD/SMT
|
ES-6
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=22kO, Q1BER=22kO, VCEO=50V, IC=0.1A (SOT-416)
- RN1103,LXHF(CT
- Toshiba
-
1:
$0.287
-
Non-Stocked
|
Mouser Part No
757-RN1103LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=22kO, Q1BER=22kO, VCEO=50V, IC=0.1A (SOT-416)
|
|
Non-Stocked
|
|
|
$0.287
|
|
|
$0.232
|
|
|
$0.132
|
|
|
$0.089
|
|
|
$0.058
|
|
|
View
|
|
|
$0.07
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=10kO, Q1BER=47kO, VCEO=50V, IC=0.1A (SOT-723)
- RN1107MFV,L3XHF(CT
- Toshiba
-
1:
$0.258
-
Non-Stocked
|
Mouser Part No
757-RN1107MFVL3XHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=10kO, Q1BER=47kO, VCEO=50V, IC=0.1A (SOT-723)
|
|
Non-Stocked
|
|
|
$0.258
|
|
|
$0.154
|
|
|
$0.098
|
|
|
$0.072
|
|
|
$0.038
|
|
|
View
|
|
|
$0.057
|
|
|
$0.044
|
|
|
$0.034
|
|
Min.: 1
Mult.: 1
:
8,000
|
|
Digital Transistors
|
|
SMD/SMT
|
VESM-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=22kO, VCEO=50V, IC=0.1A (SOT-416)
- RN1112,LXHF(CT
- Toshiba
-
1:
$0.287
-
Non-Stocked
|
Mouser Part No
757-RN1112LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=22kO, VCEO=50V, IC=0.1A (SOT-416)
|
|
Non-Stocked
|
|
|
$0.287
|
|
|
$0.256
|
|
|
$0.151
|
|
|
$0.102
|
|
|
$0.058
|
|
|
View
|
|
|
$0.08
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=47kO, VCEO=50V, IC=0.1A (SOT-416)
- RN1113,LXHF(CT
- Toshiba
-
1:
$0.287
-
Non-Stocked
|
Mouser Part No
757-RN1113LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=47kO, VCEO=50V, IC=0.1A (SOT-416)
|
|
Non-Stocked
|
|
|
$0.287
|
|
|
$0.256
|
|
|
$0.151
|
|
|
$0.102
|
|
|
$0.058
|
|
|
View
|
|
|
$0.08
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q TR NPN Q1BSR=4.7kOhm, Q1BER=10kOhm, VCEO=50V, IC=0.1A (SOT-416)
- RN1116,LXHF(CT
- Toshiba
-
1:
$0.287
-
Non-Stocked
|
Mouser Part No
757-RN1116LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR NPN Q1BSR=4.7kOhm, Q1BER=10kOhm, VCEO=50V, IC=0.1A (SOT-416)
|
|
Non-Stocked
|
|
|
$0.287
|
|
|
$0.256
|
|
|
$0.151
|
|
|
$0.102
|
|
|
$0.058
|
|
|
View
|
|
|
$0.08
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=4.7kO, Q1BER=47kO, VCEO=50V, IC=0.1A (SOT-346)
- RN1406,LXHF
- Toshiba
-
1:
$0.297
-
Non-Stocked Lead-Time 18 Weeks
|
Mouser Part No
757-RN1406LXHF
|
Toshiba
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=4.7kO, Q1BER=47kO, VCEO=50V, IC=0.1A (SOT-346)
|
|
Non-Stocked Lead-Time 18 Weeks
|
|
|
$0.297
|
|
|
$0.264
|
|
|
$0.157
|
|
|
$0.106
|
|
|
$0.059
|
|
|
View
|
|
|
$0.083
|
|
|
$0.053
|
|
|
$0.044
|
|
|
$0.043
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
S-Mini-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=22kO, Q1BER=47kO, VCEO=50V, IC=0.1A (SOT-346)
- RN1408,LXHF
- Toshiba
-
1:
$0.297
-
Non-Stocked Lead-Time 18 Weeks
|
Mouser Part No
757-RN1408LXHF
|
Toshiba
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=22kO, Q1BER=47kO, VCEO=50V, IC=0.1A (SOT-346)
|
|
Non-Stocked Lead-Time 18 Weeks
|
|
|
$0.297
|
|
|
$0.264
|
|
|
$0.157
|
|
|
$0.106
|
|
|
$0.059
|
|
|
View
|
|
|
$0.083
|
|
|
$0.053
|
|
|
$0.044
|
|
|
$0.043
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
S-Mini-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=47kO, Q1BER=22kO, VCEO=50V, IC=0.1A (SOT-346)
- RN1409,LXHF
- Toshiba
-
1:
$0.297
-
Non-Stocked Lead-Time 18 Weeks
|
Mouser Part No
757-RN1409LXHF
|
Toshiba
|
Digital Transistors AUTO AEC-Q Single NPN Q1BSR=47kO, Q1BER=22kO, VCEO=50V, IC=0.1A (SOT-346)
|
|
Non-Stocked Lead-Time 18 Weeks
|
|
|
$0.297
|
|
|
$0.264
|
|
|
$0.157
|
|
|
$0.106
|
|
|
$0.059
|
|
|
View
|
|
|
$0.083
|
|
|
$0.053
|
|
|
$0.044
|
|
|
$0.043
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
S-Mini-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=22kO, VCEO=50V, IC=0.1A (SOT-346)
- RN1412,LXHF
- Toshiba
-
1:
$0.297
-
Non-Stocked Lead-Time 18 Weeks
|
Mouser Part No
757-RN1412LXHF
|
Toshiba
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=22kO, VCEO=50V, IC=0.1A (SOT-346)
|
|
Non-Stocked Lead-Time 18 Weeks
|
|
|
$0.297
|
|
|
$0.264
|
|
|
$0.157
|
|
|
$0.106
|
|
|
$0.059
|
|
|
View
|
|
|
$0.083
|
|
|
$0.053
|
|
|
$0.044
|
|
|
$0.043
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
S-Mini-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=47kO, VCEO=50V, IC=0.1A (SOT-346)
- RN1413,LXHF
- Toshiba
-
1:
$0.297
-
Non-Stocked Lead-Time 18 Weeks
|
Mouser Part No
757-RN1413LXHF
|
Toshiba
|
Digital Transistors AUTO AEC-Q NPN Q1BSR=47kO, VCEO=50V, IC=0.1A (SOT-346)
|
|
Non-Stocked Lead-Time 18 Weeks
|
|
|
$0.297
|
|
|
$0.264
|
|
|
$0.157
|
|
|
$0.106
|
|
|
$0.059
|
|
|
View
|
|
|
$0.083
|
|
|
$0.054
|
|
|
$0.044
|
|
|
$0.043
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
S-Mini-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q TR NPN Q1BSR=10kOhm, Q1BER=4.7kOhm, VCEO=50V, IC=0.1A (SOT-346)
- RN1417,LXHF
- Toshiba
-
1:
$0.324
-
Non-Stocked Lead-Time 18 Weeks
|
Mouser Part No
757-RN1417LXHF
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR NPN Q1BSR=10kOhm, Q1BER=4.7kOhm, VCEO=50V, IC=0.1A (SOT-346)
|
|
Non-Stocked Lead-Time 18 Weeks
|
|
|
$0.324
|
|
|
$0.303
|
|
|
$0.203
|
|
|
$0.138
|
|
|
$0.059
|
|
|
View
|
|
|
$0.109
|
|
|
$0.053
|
|
|
$0.044
|
|
|
$0.043
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SC-59-3
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q TR NPNx2 Q1BSR=47kOhm Q1BER=47kOhm Q2BSR=47kOhm Q2BER=47kOhm VCEO=50V IC=0.1A (SOT-563)
- RN1904FE,LXHF(CT
- Toshiba
-
1:
$0.382
-
Non-Stocked
|
Mouser Part No
757-RN1904FELXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR NPNx2 Q1BSR=47kOhm Q1BER=47kOhm Q2BSR=47kOhm Q2BER=47kOhm VCEO=50V IC=0.1A (SOT-563)
|
|
Non-Stocked
|
|
|
$0.382
|
|
|
$0.306
|
|
|
$0.19
|
|
|
$0.131
|
|
|
$0.07
|
|
|
View
|
|
|
$0.112
|
|
|
$0.10
|
|
|
$0.062
|
|
|
$0.059
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
Digital Transistors
|
|
SMD/SMT
|
ES-6
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q NPN x 2 Q1BSR=10kO, Q2BSR=10kO, VCEO=50V, IC=0.1A (SOT-563)
- RN1911FE,LXHF(CT
- Toshiba
-
1:
$0.372
-
Non-Stocked
|
Mouser Part No
757-RN1911FELXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q NPN x 2 Q1BSR=10kO, Q2BSR=10kO, VCEO=50V, IC=0.1A (SOT-563)
|
|
Non-Stocked
|
|
|
$0.372
|
|
|
$0.229
|
|
|
$0.146
|
|
|
$0.108
|
|
|
$0.07
|
|
|
View
|
|
|
$0.097
|
|
|
$0.086
|
|
|
$0.062
|
|
|
$0.059
|
|
Min.: 1
Mult.: 1
:
4,000
|
|
Digital Transistors
|
|
SMD/SMT
|
ES-6
|
NPN
|
|
|
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=47kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
- RN2104,LXHF(CT
- Toshiba
-
1:
$0.287
-
Non-Stocked
|
Mouser Part No
757-RN2104LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=47kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
|
|
Non-Stocked
|
|
|
$0.287
|
|
|
$0.256
|
|
|
$0.151
|
|
|
$0.102
|
|
|
$0.058
|
|
|
View
|
|
|
$0.08
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
PNP
|
|
|
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=2.2kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
- RN2105,LXHF(CT
- Toshiba
-
1:
$0.287
-
Non-Stocked
|
Mouser Part No
757-RN2105LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=2.2kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
|
|
Non-Stocked
|
|
|
$0.287
|
|
|
$0.256
|
|
|
$0.151
|
|
|
$0.102
|
|
|
$0.058
|
|
|
View
|
|
|
$0.08
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
PNP
|
|
|
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=4.7kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
- RN2106,LXHF(CT
- Toshiba
-
1:
$0.287
-
N/A
|
Mouser Part No
757-RN2106LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=4.7kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
|
|
N/A
|
|
|
$0.287
|
|
|
$0.256
|
|
|
$0.197
|
|
|
$0.133
|
|
|
$0.058
|
|
|
View
|
|
|
$0.106
|
|
|
$0.051
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
PNP
|
|
|
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=22kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
- RN2108,LXHF(CT
- Toshiba
-
1:
$0.287
-
Non-Stocked
|
Mouser Part No
757-RN2108LXHFCT
|
Toshiba
|
Digital Transistors AUTO AEC-Q TR PNP Q1BSR=22kOhm, Q1BER=47kOhm, VCEO=-50V, IC=-0.1A (SOT-416)
|
|
Non-Stocked
|
|
|
$0.287
|
|
|
$0.256
|
|
|
$0.151
|
|
|
$0.102
|
|
|
$0.058
|
|
|
View
|
|
|
$0.08
|
|
|
$0.052
|
|
|
$0.044
|
|
|
$0.042
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
Digital Transistors
|
|
SMD/SMT
|
SSM-3
|
PNP
|
|
South Africa
