| 型号 | 品牌 | 相似度 | 封装 | 简介 | 数据手册 | |
|---|---|---|---|---|---|---|
|
|
World Products | 功能相似 | DO-201 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Comchip Technology (上华科技) | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
|||
|
|
Fagor Electronica (法格) | 功能相似 | DO-201AE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Panjit (强茂) | 功能相似 | DO-201AE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Microsemi (美高森美) | 功能相似 | CASE 1 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Vishay Semiconductor (威世) | 功能相似 | Case 1.5KE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Good-Ark Electronics (固锝) | 功能相似 | DO-201AE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Taiwan Semiconductor (台湾半导体) | 功能相似 | DO-201 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
1.5KE220
|
Diotec Semiconductor | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
|||
|
|
Yangzhou Yangjie Electronic | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
|||
|
|
Sensitron Semiconductor | 功能相似 | DO-201AE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Goodwork Semiconductor | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
|||
1.5KE220
|
Littelfuse (力特) | 功能相似 | DO-201-2 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Won-Top Electronics | 功能相似 | DO-214AE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
HY Electronic | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
|||
|
|
EIC | 功能相似 | DO-201 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
Rectron Semiconductor | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
|||
|
|
Micro Commercial Components (美微科) | 功能相似 | DO-201AE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
|
DB Lectro | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
|||
1.5KE220
|
PANJIT Touch Screens | 功能相似 | DO-201AE |
Trans Voltage Suppressor Diode, 1500W, 175V V(RWM), Unidirectional, 1Element, Silicon, ROHS COMPLIANT, PLASTIC PACKAGE-2
|
||
|
1.5KE220-T
|
Rectron Semiconductor | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, Unidirectional, 1Element, Silicon, PLASTIC PACKAGE-2
|
|||
|
1.5KE220A-T
|
Rectron | 功能相似 | DO-201 |
Trans Voltage Suppressor Diode, 1500W, Unidirectional, 1Element, Silicon, PLASTIC PACKAGE-2
|
||
|
1.5KE220A-T
|
Rectron Semiconductor | 功能相似 |
Trans Voltage Suppressor Diode, 1500W, Unidirectional, 1Element, Silicon, PLASTIC PACKAGE-2
|
|||
1.5KE220A-T
|
Diodes (美台) | 功能相似 | DO-201 |
Trans Voltage Suppressor Diode, 1500W, Unidirectional, 1Element, Silicon, PLASTIC PACKAGE-2
|
||
1.5KE22A
|
JXND (嘉兴南电) | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
JKSEMI (金开盛) | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
1.5KE22A
|
Diotec Semiconductor | 功能相似 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
|||
1.5KE22A
|
ON Semiconductor (安森美) | 功能相似 | DO-201AE |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
1.5KE22A
|
Taiwan Semiconductor (台湾半导体) | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
1.5KE22A
|
Fairchild (飞兆/仙童) | 功能相似 | DO-201AE |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
1.5KE22A
|
Littelfuse (力特) | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
PANJIT Touch Screens | 功能相似 | DO-201AE |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
Micro Commercial Components (美微科) | 功能相似 | DO-201AE |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
Good-Ark Electronics (固锝) | 功能相似 | DO-201AE |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
Comchip Technology (上华科技) | 功能相似 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
|||
|
1.5KE22A
|
EIC | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
Microsemi (美高森美) | 功能相似 | Axial |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
Panjit (强茂) | 功能相似 | DO-201AE |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
DB Lectro | 功能相似 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
|||
1.5KE22A
|
HY Electronic | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
1.5KE22A
|
Brightking (君耀电子) | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22A
|
DOWO (东沃) | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
1.5KE22A
|
Multicomp | 功能相似 | DO-201 |
Transil™ TVS 轴向单向 1500W，STMicroelectronics ### 瞬态电压抑制器，STMicroelectronics
|
||
|
1.5KE22ARL
|
ON Semiconductor (安森美) | 功能相似 | 41A-04 |
ESD 抑制器/TVS 二极管 1500W 22V Unidirect
|
||
1.5KE22ARL
|
ST Microelectronics (意法半导体) | 功能相似 | DO-201-2 |
ESD 抑制器/TVS 二极管 1500W 22V Unidirect
|
||
1.5SMCJ7.5A
|
Diotec Semiconductor | 类似代替 | DO-214AB |
SMD Diodo TVS Unidirectional 7.5V 1500W 1.5SMCJ7.5A SMD DO-214AB/SMC DIOTEC
|
||
P4SMAJ20A
|
Diotec Semiconductor | 类似代替 | DO-214AC |
Diode: transil; 400W; 20V; unidirectional; DO214AC
|
||
|
|
BORN (伯恩半导体) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ14A
|
JXND (嘉兴南电) | 功能相似 | SMA |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
Prisemi | 功能相似 | SMA |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
Microsemi (美高森美) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
EIC | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
Galaxy Electrical (常州银河) | 功能相似 | SMA |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ14A
|
Good-Ark Electronics (固锝) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
SMAJ14A
|
Bytes | 功能相似 |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
|||
|
SMAJ14A
|
DOWO (东沃) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
Brightking (君耀电子) | 功能相似 | SMA |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ14A
|
ETC | 功能相似 |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
|||
SMAJ170CA
|
JXND (嘉兴南电) | 功能相似 | SMA |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
|
KUU（永裕泰) | 功能相似 | SMA(DO-214AC) |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
SMAJ170CA
|
Littelfuse (力特) | 功能相似 | DO-214AC |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
SMAJ170CA
|
Bourns J.W. Miller (伯恩斯) | 功能相似 | DO-214AC |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
SMAJ170CA
|
Taiwan Semiconductor (台湾半导体) | 功能相似 | SMD |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
|
SMC Diode Solutions | 功能相似 | SMA |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
|
Galaxy Electrical (常州银河) | 功能相似 | SMA |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
|
SMC | 功能相似 | SMA |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
|
DC Components | 功能相似 |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
|||
|
|
Vishay Semiconductor (威世) | 功能相似 | DO-214AC |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
SMAJ170CA
|
Leshan Radio (乐山无线电) | 功能相似 | SMA |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
|
EIC | 功能相似 | SMA |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
SMAJ170CA
|
ST Microelectronics (意法半导体) | 功能相似 |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
|||
|
SMAJ170CA
|
DOWO (东沃) | 功能相似 | DO-214AC |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
SMAJ170CA
|
Multicomp | 功能相似 | SMD |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
SMAJ170CA
|
MDD (辰达半导体) | 功能相似 | SMA |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
|
|
Micro Commercial Components (美微科) | 功能相似 | DO-214AC |
Diode: transil; 400W; 189V; 6.5A; bidirectional; SMA
|
||
SMAJ17A
|
Littelfuse (力特) | 功能相似 | DO-214AC |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
|
|
SMC Diode Solutions | 功能相似 | SMA |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
SMAJ17A
|
JXND (嘉兴南电) | 功能相似 | SMA |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
|
|
EIC | 功能相似 | DO-214AC |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
|
|
Galaxy Electrical (常州银河) | 功能相似 | SMA |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
SMAJ17A
|
Bourns J.W. Miller (伯恩斯) | 功能相似 | DO-214AC |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
SMAJ17A
|
Leshan Radio (乐山无线电) | 功能相似 | SMA |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
|
SMAJ17A
|
DOWO (东沃) | 功能相似 | DO-214AC |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
|
SMAJ17A
|
Prisemi | 功能相似 | SMA |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
SMAJ17A
|
Brightking (君耀电子) | 功能相似 | DO-214AC |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
|
SMAJ17A
|
Good-Ark Electronics (固锝) | 功能相似 | DO-214AC |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
|
SMAJ17A
|
Vishay Semiconductor (威世) | 功能相似 | DO-214AC |
SMAJ 系列 17 V 400 W 表面贴装 单向 TVS 二极管 - DO-214AC
|
||
SMAJ20A
|
Leshan Radio (乐山无线电) | 功能相似 | SMA |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
RL | 功能相似 |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
|||
|
|
Bytes | 功能相似 |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
|||
SMAJ20A
|
JXND (嘉兴南电) | 功能相似 | SMA |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
KUU（永裕泰) | 功能相似 | SMA(DO-214AC) |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
MDD (辰达半导体) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
Littelfuse (力特) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
YENJI (台湾元基) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
Micro Commercial Components (美微科) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
Ruilon | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
Brightking (君耀电子) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
AVX (艾维克斯) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
|
FMS (美丽微) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
ST Microelectronics (意法半导体) | 功能相似 |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
|||
|
|
Jingdao (晶导) | 功能相似 | SMA |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMAJ20A
|
Vishay Semiconductor (威世) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
SMAJ20A
|
Microsemi (美高森美) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
SMAJ20A
|
SLKOR (韩国萨科微) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
|
SMAJ20A
|
BORN (伯恩半导体) | 功能相似 | DO-214AC |
SMAJ瞬态电压抑制二极管系列 SMAJ Transient Voltage Suppressor Diode Series
|
||
SMCJ7.5A
|
Bourns J.W. Miller (伯恩斯) | 功能相似 | DO-214AB-2 |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
SMCJ7.5A
|
Littelfuse (力特) | 功能相似 | DO-214AB-2 |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
SMCJ7.5A
|
JXND (嘉兴南电) | 功能相似 | SMC |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
|
|
MDE Semiconductor | 功能相似 | DO-214AB |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
SMCJ7.5A
|
Multicomp | 功能相似 | DO-214AB |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
|
SMCJ7.5A
|
ProTek Devices | 功能相似 |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
|||
SMCJ7.5A
|
Littelfuse (力特) | 功能相似 | DO-214AB-2 |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
SMCJ7.5A
|
Fairchild (飞兆/仙童) | 功能相似 | DO-214AB |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
|
SMCJ7.5A
|
Jingdao (晶导) | 功能相似 | SMC |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
|
SMCJ7.5A
|
AVX (艾维克斯) | 功能相似 | DO-214AB |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
SMCJ7.5A
|
Micro Commercial Components (美微科) | 功能相似 | DO-214AB |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
||
|
|
Brightking (君耀电子) | 功能相似 | DO-214AB |
SMCJ系列 12.9V 1.5kW 表面贴装 单向 瞬态电压抑制二极管 DO-214AB
|
©Copyright 2013-2025 亿配芯城（深圳）电子科技有限公司 粤ICP备17008354号
最有帮助的评价