|
|
リニア電圧レギュレータ OPTIREG LINEAR
- TLE42994GMXUMA3
- Infineon Technologies
-
1:
¥273.8
-
2,865在庫
|
Mouser 部品番号
726-TLE42994GMXUMA3
|
Infineon Technologies
|
リニア電圧レギュレータ OPTIREG LINEAR
|
|
2,865在庫
|
|
|
¥273.8
|
|
|
¥202.1
|
|
|
¥184.2
|
|
|
¥162.5
|
|
|
表示
|
|
|
¥130.4
|
|
|
¥152.9
|
|
|
¥147
|
|
|
¥146
|
|
|
¥130.4
|
|
最低： 1
複数： 1
:
2,500
|
|
|
|
SMD/SMT
|
DSO-14
|
1 Output
|
Positive
|
5 V
|
150 mA
|
Fixed
|
5.5 V
|
45 V
|
- 40 C
|
+ 150 C
|
700 uA
|
AEC-Q100
|
Reel, Cut Tape
|
|
|
|
リニア電圧レギュレータ 12V 500mA Positive
- MC78M12ACDTRKG
- onsemi
-
1:
¥94.5
-
9,748在庫
|
Mouser 部品番号
863-MC78M12ACDTRKG
|
onsemi
|
リニア電圧レギュレータ 12V 500mA Positive
|
|
9,748在庫
|
|
|
¥94.5
|
|
|
¥66.5
|
|
|
¥57.9
|
|
|
¥48.1
|
|
|
表示
|
|
|
¥38
|
|
|
¥46.3
|
|
|
¥44.2
|
|
|
¥43.5
|
|
|
¥38
|
|
最低： 1
複数： 1
:
2,500
|
|
|
MC78M12A
|
SMD/SMT
|
TO-252-3
|
1 Output
|
Positive
|
12 V
|
500 mA
|
Fixed
|
14 V
|
35 V
|
0 C
|
+ 125 C
|
3.2 mA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 18V 500mA Positive
- MC78M18CDTRKG
- onsemi
-
1:
¥68.5
-
16,470在庫
|
Mouser 部品番号
863-MC78M18CDTRKG
|
onsemi
|
リニア電圧レギュレータ 18V 500mA Positive
|
|
16,470在庫
|
|
|
¥68.5
|
|
|
¥47.8
|
|
|
¥42.7
|
|
|
¥36.8
|
|
|
表示
|
|
|
¥26.2
|
|
|
¥34.2
|
|
|
¥32.6
|
|
|
¥31.1
|
|
|
¥26.2
|
|
最低： 1
複数： 1
:
2,500
|
|
|
MC78M18
|
SMD/SMT
|
TO-252-3
|
1 Output
|
Positive
|
18 V
|
500 mA
|
Fixed
|
20 V
|
35 V
|
0 C
|
+ 125 C
|
3.2 mA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ ANA 500mA 12V VREG
- NCV78M12BDTRKG
- onsemi
-
1:
¥94.5
-
11,903在庫
|
Mouser 部品番号
863-NCV78M12BDTRKG
|
onsemi
|
リニア電圧レギュレータ ANA 500mA 12V VREG
|
|
11,903在庫
|
|
|
¥94.5
|
|
|
¥67
|
|
|
¥60
|
|
|
¥52.3
|
|
|
表示
|
|
|
¥38.1
|
|
|
¥48.6
|
|
|
¥46.1
|
|
|
¥43.5
|
|
|
¥38.1
|
|
最低： 1
複数： 1
:
2,500
|
|
|
MC78M12
|
SMD/SMT
|
DPAK-3 (TO-252-3)
|
1 Output
|
Positive
|
12 V
|
500 mA
|
Fixed
|
14 V
|
35 V
|
- 40 C
|
+ 125 C
|
3.2 mA
|
AEC-Q100
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 1A 5V output linear regulator / LDO in h A 926-LM309H/NOPB
- LM309H
- Texas Instruments
-
1:
¥3,879.4
-
390在庫
|
Mouser 部品番号
926-LM309H
|
Texas Instruments
|
リニア電圧レギュレータ 1A 5V output linear regulator / LDO in h A 926-LM309H/NOPB
|
|
390在庫
|
|
|
¥3,879.4
|
|
|
¥3,111.7
|
|
|
¥2,919.3
|
|
|
¥2,707.4
|
|
|
表示
|
|
|
¥2,606.4
|
|
|
¥2,510.2
|
|
|
見積り
|
|
最低： 1
複数： 1
|
|
|
LM309
|
Through Hole
|
TO-39-3
|
1 Output
|
Positive
|
5 V
|
1 A
|
Fixed
|
7.1 V
|
35 V
|
0 C
|
+ 125 C
|
10 mA
|
|
Bulk
|
|
|
|
リニア電圧レギュレータ Ultra-Low Noise 200mA LDO
- ADP151ACPZ-2.5-R7
- Analog Devices
-
1:
¥215.2
-
3,981在庫
|
Mouser 部品番号
584-ADP151ACPZ-2.5R7
|
Analog Devices
|
リニア電圧レギュレータ Ultra-Low Noise 200mA LDO
|
|
3,981在庫
|
|
|
¥215.2
|
|
|
¥156.3
|
|
|
¥141.8
|
|
|
¥125.5
|
|
|
¥112.6
|
|
|
表示
|
|
|
¥117.8
|
|
|
¥114.8
|
|
|
¥102.2
|
|
最低： 1
複数： 1
:
3,000
|
|
|
ADP151
|
SMD/SMT
|
LFCSP-6
|
1 Output
|
Positive
|
2.5 V
|
200 mA
|
Fixed
|
2.2 V
|
5.5 V
|
- 40 C
|
+ 125 C
|
265 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 300mA LDO 1.8Vo1, 2.5Vo2
- ADP222ACPZ-1825-R7
- Analog Devices
-
1:
¥319.5
-
2,990在庫
|
Mouser 部品番号
584-ADP222ACPZ1825R7
|
Analog Devices
|
リニア電圧レギュレータ 300mA LDO 1.8Vo1, 2.5Vo2
|
|
2,990在庫
|
|
|
¥319.5
|
|
|
¥236.4
|
|
|
¥215.2
|
|
|
¥192.3
|
|
|
¥161.9
|
|
|
表示
|
|
|
¥180.9
|
|
|
¥177.7
|
|
|
¥158.4
|
|
最低： 1
複数： 1
:
3,000
|
|
|
ADP222
|
SMD/SMT
|
LFCSP-8
|
2 Output
|
Positive
|
1.8 V, 2.5 V
|
300 mA
|
Fixed
|
2.5 V
|
5.5 V
|
- 40 C
|
+ 125 C
|
450 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ HI ACCURACY LOW DROPOUT LINEAR REGULATOR
- ADP3303ARZ-3.3-RL7
- Analog Devices
-
1:
¥852.5
-
1,090在庫
|
Mouser 部品番号
584-ADP3303ARZ3.3R7
|
Analog Devices
|
リニア電圧レギュレータ HI ACCURACY LOW DROPOUT LINEAR REGULATOR
|
|
1,090在庫
|
|
|
¥852.5
|
|
|
¥650.4
|
|
|
¥590.1
|
|
|
¥544.4
|
|
|
表示
|
|
|
¥467.8
|
|
|
¥536.3
|
|
|
¥534.6
|
|
|
¥467.8
|
|
最低： 1
複数： 1
:
1,000
|
|
|
ADP3303
|
SMD/SMT
|
SOIC-8
|
1 Output
|
Positive
|
3.3 V
|
200 mA
|
Fixed
|
3.2 V
|
12 V
|
- 25 C
|
+ 85 C
|
1 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 3-Trm 100mA Adj Pos Voltage Regulator
- LM317LCLPR
- Texas Instruments
-
1:
¥158.1
-
5,084在庫
|
Mouser 部品番号
595-LM317LCLPR
|
Texas Instruments
|
リニア電圧レギュレータ 3-Trm 100mA Adj Pos Voltage Regulator
|
|
5,084在庫
|
|
|
¥158.1
|
|
|
¥113.4
|
|
|
¥102.4
|
|
|
¥90.1
|
|
|
¥75.5
|
|
|
表示
|
|
|
¥84.3
|
|
|
¥80.7
|
|
|
¥77.9
|
|
|
¥73
|
|
最低： 1
複数： 1
:
2,000
|
|
|
LM317L
|
Through Hole
|
TO-92-3
|
1 Output
|
Positive
|
1.25 V to 32 V
|
100 mA
|
Adjustable
|
3.75 V
|
35 V
|
0 C
|
+ 125 C
|
1.5 mA
|
|
Reel, Cut Tape
|
|
|
|
リニア電圧レギュレータ 12V 100mA Fixed Neg Voltage Regulator
- MC79L12ACLP
- Texas Instruments
-
1:
¥195.6
-
6,785在庫
|
Mouser 部品番号
595-MC79L12ACLP
|
Texas Instruments
|
リニア電圧レギュレータ 12V 100mA Fixed Neg Voltage Regulator
|
|
6,785在庫
|
|
|
¥195.6
|
|
|
¥141
|
|
|
¥127.6
|
|
|
¥112.8
|
|
|
表示
|
|
|
¥105.8
|
|
|
¥101.5
|
|
|
¥101.4
|
|
|
¥96.7
|
|
|
¥91.9
|
|
最低： 1
複数： 1
|
|
|
MC79L
|
Through Hole
|
TO-92-3
|
1 Output
|
Negative
|
- 12 V
|
100 mA
|
Fixed
|
- 20 V
|
- 7 V
|
0 C
|
+ 125 C
|
6.5 mA
|
|
Bulk
|
|
|
|
リニア電圧レギュレータ 12V 100mA Fixed Neg Voltage Regulator
- MC79L12ACLPE3
- Texas Instruments
-
1:
¥195.6
-
2,595在庫
|
Mouser 部品番号
595-MC79L12ACLPE3
|
Texas Instruments
|
リニア電圧レギュレータ 12V 100mA Fixed Neg Voltage Regulator
|
|
2,595在庫
|
|
|
¥195.6
|
|
|
¥141
|
|
|
¥127.6
|
|
|
¥112.8
|
|
|
表示
|
|
|
¥105.6
|
|
|
¥101.5
|
|
|
¥98
|
|
|
¥93.6
|
|
|
¥91.9
|
|
最低： 1
複数： 1
|
|
|
MC79L
|
Through Hole
|
TO-92-3
|
1 Output
|
Negative
|
- 12 V
|
100 mA
|
Fixed
|
- 20 V
|
- 7 V
|
0 C
|
+ 125 C
|
6.5 mA
|
|
Bulk
|
|
|
|
リニア電圧レギュレータ 5V 100mA Fixed Pos V oltage Regulator
- UA78L05AID
- Texas Instruments
-
1:
¥213.5
-
3,918在庫
|
Mouser 部品番号
595-UA78L05AID
|
Texas Instruments
|
リニア電圧レギュレータ 5V 100mA Fixed Pos V oltage Regulator
|
|
3,918在庫
|
|
|
¥213.5
|
|
|
¥154.9
|
|
|
¥127.1
|
|
|
¥120.5
|
|
|
表示
|
|
|
¥115.2
|
|
|
¥111.5
|
|
|
¥107.7
|
|
|
¥107.3
|
|
|
¥101.7
|
|
最低： 1
複数： 1
|
|
|
UA78L
|
SMD/SMT
|
SOIC-8
|
1 Output
|
Positive
|
5 V
|
100 mA
|
Fixed
|
7 V
|
20 V
|
- 40 C
|
+ 125 C
|
6 mA
|
|
Tube
|
|
|
|
リニア電圧レギュレータ 5V 100mA Fixed Pos V oltage Regulator
- UA78L05CDR
- Texas Instruments
-
1:
¥156.5
-
7,905在庫
|
Mouser 部品番号
595-UA78L05CDR
|
Texas Instruments
|
リニア電圧レギュレータ 5V 100mA Fixed Pos V oltage Regulator
|
|
7,905在庫
|
|
|
¥156.5
|
|
|
¥111.8
|
|
|
¥100.9
|
|
|
¥88.8
|
|
|
¥75
|
|
|
表示
|
|
|
¥83.1
|
|
|
¥79.5
|
|
|
¥76.6
|
|
|
¥71.9
|
|
最低： 1
複数： 1
:
2,500
|
|
|
UA78L
|
SMD/SMT
|
SOIC-8
|
1 Output
|
Positive
|
5 V
|
100 mA
|
Fixed
|
7 V
|
20 V
|
0 C
|
+ 125 C
|
6 mA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 9V 100mA Fixed Pos V oltage Regulator
- UA78L09ACDRE4
- Texas Instruments
-
1:
¥257.5
-
6,291在庫
|
Mouser 部品番号
595-UA78L09ACDRE4
|
Texas Instruments
|
リニア電圧レギュレータ 9V 100mA Fixed Pos V oltage Regulator
|
|
6,291在庫
|
|
|
¥257.5
|
|
|
¥164.6
|
|
|
¥146.4
|
|
|
¥120.5
|
|
|
¥76.1
|
|
|
表示
|
|
|
¥105
|
|
|
¥99.6
|
|
|
¥83.6
|
|
|
¥71.6
|
|
最低： 1
複数： 1
:
2,500
|
|
|
UA78L
|
SMD/SMT
|
SOIC-8
|
1 Output
|
Positive
|
9 V
|
100 mA
|
Fixed
|
11.5 V
|
24 V
|
0 C
|
+ 125 C
|
6 mA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 12.0V 100mA A 595-UA 78L12ACLPM A 595-UA A 595-UA78L12ACLPM
- UA78L12ACLP
- Texas Instruments
-
1:
¥264.1
-
1,869在庫
|
Mouser 部品番号
595-UA78L12ACLP
|
Texas Instruments
|
リニア電圧レギュレータ 12.0V 100mA A 595-UA 78L12ACLPM A 595-UA A 595-UA78L12ACLPM
|
|
1,869在庫
|
|
|
¥264.1
|
|
|
¥194
|
|
|
¥176
|
|
|
¥156.6
|
|
|
表示
|
|
|
¥147.4
|
|
|
¥126.3
|
|
|
¥126.2
|
|
最低： 1
複数： 1
|
|
|
UA78L
|
Through Hole
|
TO-92-3
|
1 Output
|
Positive
|
12 V
|
100 mA
|
Fixed
|
14.5 V
|
27 V
|
0 C
|
+ 125 C
|
6.5 mA
|
|
Bulk
|
|
|
|
リニア電圧レギュレータ Linear Regulator IC
- LR645N3-G-P013
- Microchip Technology
-
1:
¥117.4
-
4,499在庫
|
Mouser 部品番号
689-LR645N3-G-P013
|
Microchip Technology
|
リニア電圧レギュレータ Linear Regulator IC
|
|
4,499在庫
|
|
最低： 1
複数： 1
:
2,000
|
|
|
|
Through Hole
|
TO-92-3
|
1 Output
|
Positive
|
10 V
|
3 mA
|
Fixed
|
15 V
|
450 V
|
- 55 C
|
+ 150 C
|
50 uA
|
|
Ammo Pack
|
|
|
|
リニア電圧レギュレータ 45V, 400mA, Low-Quiescent-Current Linear
- MAX5087BATE+T
- Analog Devices / Maxim Integrated
-
1:
¥1,165.5
-
2,487在庫
|
Mouser 部品番号
700-MAX5087BATET
|
Analog Devices / Maxim Integrated
|
リニア電圧レギュレータ 45V, 400mA, Low-Quiescent-Current Linear
|
|
2,487在庫
|
|
|
¥1,165.5
|
|
|
¥855.8
|
|
|
¥797.1
|
|
|
¥700.9
|
|
|
表示
|
|
|
¥471.1
|
|
|
¥665
|
|
|
¥596.6
|
|
|
¥503.7
|
|
|
¥471.1
|
|
最低： 1
複数： 1
:
2,500
|
|
|
MAX5087B
|
SMD/SMT
|
TQFN-EP-16
|
1 Output
|
Positive
|
5 V, 2.5 V to 11 V
|
400 mA
|
Adjustable, Fixed
|
6.5 V
|
45 V
|
- 40 C
|
+ 125 C
|
70 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 500mA LDO 3.0Vout
- ADP124ACPZ-3.0-R7
- Analog Devices
-
1:
¥280.4
-
5,228在庫
|
Mouser 部品番号
584-ADP124ACPZ-3.0R7
|
Analog Devices
|
リニア電圧レギュレータ 500mA LDO 3.0Vout
|
|
5,228在庫
|
|
|
¥280.4
|
|
|
¥207
|
|
|
¥187.5
|
|
|
¥167.9
|
|
|
表示
|
|
|
¥136.9
|
|
|
¥156.8
|
|
|
¥154.7
|
|
|
¥152.1
|
|
|
¥136.9
|
|
最低： 1
複数： 1
:
3,000
|
|
|
ADP124
|
SMD/SMT
|
LFCSP-8
|
1 Output
|
Positive
|
3 V
|
500 mA
|
Fixed
|
2.3 V
|
5.5 V
|
- 40 C
|
+ 125 C
|
45 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 200mA LDO 2.75Vout
- ADP151ACBZ-2.75-R7
- Analog Devices
-
1:
¥215.2
-
2,289在庫
|
Mouser 部品番号
584-ADP151ACBZ2.75R7
|
Analog Devices
|
リニア電圧レギュレータ 200mA LDO 2.75Vout
|
|
2,289在庫
|
|
|
¥215.2
|
|
|
¥156.3
|
|
|
¥141.8
|
|
|
¥125.5
|
|
|
¥107.6
|
|
|
表示
|
|
|
¥117.8
|
|
|
¥114.8
|
|
|
¥102.7
|
|
最低： 1
複数： 1
:
3,000
|
|
|
ADP151
|
SMD/SMT
|
WLCSP-4
|
1 Output
|
Positive
|
2.75 V
|
200 mA
|
Fixed
|
2.2 V
|
5.5 V
|
- 40 C
|
+ 125 C
|
265 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 150mA LDO 3.3Vout w/ QOD
- ADP160ACBZ-3.3-R7
- Analog Devices
-
1:
¥215.2
-
2,864在庫
|
Mouser 部品番号
584-ADP160ACBZ-3.3R7
|
Analog Devices
|
リニア電圧レギュレータ 150mA LDO 3.3Vout w/ QOD
|
|
2,864在庫
|
|
|
¥215.2
|
|
|
¥156.3
|
|
|
¥141.8
|
|
|
¥125.5
|
|
|
¥107.6
|
|
|
表示
|
|
|
¥117.8
|
|
|
¥114.8
|
|
|
¥102.7
|
|
最低： 1
複数： 1
:
3,000
|
|
|
ADP160
|
SMD/SMT
|
WLCSP-4
|
1 Output
|
Positive
|
3.3 V
|
150 mA
|
Fixed
|
2.2 V
|
5.5 V
|
- 40 C
|
+ 125 C
|
860 nA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 300mA LDO 1.65Vout
- ADP172ACBZ-1.65-R7
- Analog Devices
-
1:
¥207
-
2,293在庫
|
Mouser 部品番号
584-ADP172ACBZ1.65R7
|
Analog Devices
|
リニア電圧レギュレータ 300mA LDO 1.65Vout
|
|
2,293在庫
|
|
|
¥207
|
|
|
¥150.3
|
|
|
¥133.5
|
|
|
¥120.5
|
|
|
¥102.2
|
|
|
表示
|
|
|
¥113
|
|
|
¥110
|
|
|
¥109.7
|
|
|
¥99.9
|
|
最低： 1
複数： 1
:
3,000
|
|
|
ADP172
|
SMD/SMT
|
WLCSP-4
|
1 Output
|
Positive
|
1.65 V
|
300 mA
|
Fixed
|
1.6 V
|
3.6 V
|
- 40 C
|
+ 125 C
|
170 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 300mA fixed anyCAP LDO
- ADP3333ARMZ-2.5-R7
- Analog Devices
-
1:
¥489
-
955在庫
|
Mouser 部品番号
584-ADP3333ARMZ2.5R7
|
Analog Devices
|
リニア電圧レギュレータ 300mA fixed anyCAP LDO
|
|
955在庫
|
|
|
¥489
|
|
|
¥366.8
|
|
|
¥335.8
|
|
|
¥303.2
|
|
|
¥273.8
|
|
|
表示
|
|
|
¥290.1
|
|
|
¥259.2
|
|
最低： 1
複数： 1
:
1,000
|
|
|
ADP3333
|
SMD/SMT
|
MSOP-8
|
1 Output
|
Positive
|
2.5 V
|
300 mA
|
Fixed
|
2.6 V
|
12 V
|
- 40 C
|
+ 85 C
|
70 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 1A anyCAP LDO
- ADP3338AKCZ-2.85R7
- Analog Devices
-
1:
¥627.6
-
937在庫
|
Mouser 部品番号
584-AP3338AKCZ2.85R7
|
Analog Devices
|
リニア電圧レギュレータ 1A anyCAP LDO
|
|
937在庫
|
|
|
¥627.6
|
|
|
¥474.3
|
|
|
¥435.2
|
|
|
¥394.5
|
|
|
¥360.2
|
|
|
表示
|
|
|
¥383.1
|
|
|
¥345.6
|
|
|
¥335.8
|
|
最低： 1
複数： 1
:
500
|
|
|
ADP3338
|
SMD/SMT
|
SOT-223-3
|
1 Output
|
Positive
|
2.85 V
|
1 A
|
Fixed
|
2.7 V
|
8 V
|
- 40 C
|
+ 85 C
|
110 uA
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
リニア電圧レギュレータ 3-Trm 100mA Adj Pos Voltage Regulator
- LM317LCPW
- Texas Instruments
-
1:
¥257.5
-
10,941在庫
|
Mouser 部品番号
595-LM317LCPW
|
Texas Instruments
|
リニア電圧レギュレータ 3-Trm 100mA Adj Pos Voltage Regulator
|
|
10,941在庫
|
|
|
¥257.5
|
|
|
¥189.1
|
|
|
¥171.2
|
|
|
¥119.5
|
|
|
¥119.3
|
|
最低： 1
複数： 1
|
|
|
LM317L
|
SMD/SMT
|
TSSOP-8
|
1 Output
|
Positive
|
1.25 V to 32 V
|
100 mA
|
Adjustable
|
3.75 V
|
35 V
|
0 C
|
+ 125 C
|
1.5 mA
|
|
Tube
|
|
|
|
リニア電圧レギュレータ 3Pin 100mA Adj Vltg Reg A 595-LM317LILPR A 595-LM317LILPR
- LM317LILP
- Texas Instruments
-
1:
¥267.3
-
2,274在庫
|
Mouser 部品番号
595-LM317LILP
|
Texas Instruments
|
リニア電圧レギュレータ 3Pin 100mA Adj Vltg Reg A 595-LM317LILPR A 595-LM317LILPR
|
|
2,274在庫
|
|
|
¥267.3
|
|
|
¥197.2
|
|
|
¥179.3
|
|
|
¥158.1
|
|
|
表示
|
|
|
¥148.7
|
|
|
¥143
|
|
|
¥138.2
|
|
|
¥129.7
|
|
|
¥126.8
|
|
最低： 1
複数： 1
|
|
|
LM317L
|
Through Hole
|
TO-92-3
|
1 Output
|
Positive
|
1.25 V to 32 V
|
100 mA
|
Adjustable
|
3.75 V
|
35 V
|
- 40 C
|
+ 125 C
|
1.5 mA
|
|
Bulk
|
|
日本
