service@bom2buy.com (0512) 62988549

无法从文档中提取型号,请重试

旋转开关:

1,563,726 个筛选结果
旋转开关可以用来取代传统电阻式电位计模拟功能的旋转脉冲产生器,这些旋转开关通常应用在仪器前端面板和影音控制板的人机界面,旋转开关采用正交光学编码器作为取代模拟电位计的纯数字器件,这些旋转开关在外观上相似于传统或电阻式电位计,不过这些旋转开关的内部构造完全数字化并使用光学技术。和传统增量编码器产品相似有两个正交输出信号 (通道 A 和通道 B),可以直接和编码器处理芯片相连接。
拨动开关 (6,249,723)
旋转开关 (1,563,726)
翘板开关 (1,296,947)
按钮开关 (1,017,423)
特殊开关 (439,682)
型号
-
-
-
-
-
-
-
-
最大触点电流(直流) (50)
-
触点电阻 (30)
-
-
最大触点电压(直流) (36)
-
电气寿命 (31)
-
末端触点镀层 (6)
-
-
制造商 (50)
位置数 (37)
开关段数量 (14)
-
型号
型号 Most Relevant Technical Compliance Operating Conditions Physical Dimensions Other
数据手册 单价/库存
风险等级 是否无铅
是否Rohs认证
生命周期
最大触点电流(直流) 最大触点电压(直流) 电气寿命 触点电阻 开关段数量 位置数 开关功能
开关动作
末端触点镀层 开关类型
执行器类型 其他特性 触点(交流)最大额定功率R负载 触点(交流)最大额定R负载 触点(直流)最大额定功率R负载 触点(直流)最大额定R负载 最大触点电流(交流) 触点功能 最大触点电压(交流) 介质耐电压 绝缘电阻 JESD-609代码 最低工作温度
最高工作温度
安装特点 执行器颜色 执行器材料 套管直径 套管类型 中心触点材料 中心触点镀层 触点时间 末端触点材料 外壳材料 分度角 绝缘体材料 包装方法
PCB 孔数
密封
可焊性
表面贴装
端子面层
端子材料
端接类型
执行器长度 主体宽度 主体高度 主体长度或直径 喷头长度 端子长度
mfrid
ECCN代码
HTS代码
YTEOL
Source Content uid
COO
包装说明
P3-63/I4/SVB-SW
Eaton Corporation
查询价格和库存
Active 63 A 60 V 1 1 3PST LATCHED ROTARY SWITCH HANDLE TYPE APPROVALS: CSA; UL 63A@690VAC 63A@60VDC 63 A OFF-ON 690 V -25 °C 40 °C PANEL MOUNT 90 deg CORROSION PROOF; IP65 NO SCREW 160 mm 95 mm 240 mm 1936 EAR99 8536.50.90.25 9
P1-32/I2/SVB-SW/HI11
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
T0-4-15682/I1/SVB-SW
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
T0-3-15683/I1/SVB-SW
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
P1-32/EA/SVB-SW/N
Eaton Corporation
查询价格和库存
Active 1 1 4PST LATCHED ROTARY SWITCH HANDLE TYPE 32A@690VAC 32 A ON-OFF 690 V -25 °C 50 °C PANEL MOUNT BLACK CORROSION RESISTANT; IP65 NO SCREW 49 mm 84 mm 70 mm 1936 EAR99 8536.50.70.00 9
P1-25/EA/SVB-SW/HI11
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
T0-1-102/I1/SVB-SW
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
K1131877
TE Connectivity
查询价格和库存
Active 1 ROTARY SWITCH LEVER -40 °C 85 °C PANEL MOUNT SILVER OVER COPPER 90 deg NO SOLDER 2498 EAR99 8536.50.70.00
MRK112-A
NKK Switches
查询价格和库存
Yes Yes Active 14 mA 28 V 10000 Cycle(s) 0.05 mΩ 1 12 SP12T LATCHED GOLD ROTARY SWITCH KNOB TYPE LOW PROFILE, PANEL MOUNTABLE .014A@28VAC .014A@28VDC 14 mA 28 V 500VAC V 100 MΩ -10 °C 70 °C THROUGH HOLE-STRAIGHT 0.122 inch M6X0.75 PHOSPHOR BRONZE GOLD BREAK-BEFORE-MAKE PHOSPHOR BRONZE ZINC ALLOY 30 deg GLASS FILLED POLYAMIDE 13 IP67 NO PHOSPHOR BRONZE SOLDER 0.394 inch 10.1 mm 12.6 mm 0.217 inch 0.138 inch 2237 EAR99 8536.50.90.20 6 MRK112-A Mainland China
94HAB08T
Grayhill Inc
查询价格和库存
Yes Yes Active 30 mA 30 V 10000 Cycle(s) 1 8 BINARY CODED OCTAL LATCHED ROTARY CODED SWITCH FLUSH TYPE .03A@30VDC e3 -40 °C 85 °C THROUGH HOLE-STRAIGHT TUBE NO MATTE TIN OVER NICKEL SOLDER 9.65 mm 5.72 mm 9.91 mm 2015 EAR99 8536.50.90.20 7 USA ROHS COMPLIANT
94HAB16T
Grayhill Inc
查询价格和库存
Yes Yes Active 30 mA 30 V 10000 Cycle(s) 1 16 BINARY CODED HEXADECIMAL LATCHED TIN ROTARY CODED SWITCH FLUSH TYPE .03A@30VDC e3 -40 °C 85 °C THROUGH HOLE-STRAIGHT TUBE 6 NO Matte Tin (Sn) SOLDER 9.65 mm 5.72 mm 9.91 mm 2015 EAR99 8536.50.90.20 7 USA
94HBB08RAT
Grayhill Inc
查询价格和库存
Yes Yes Active 30 mA 30 V 10000 Cycle(s) 1 8 BINARY CODED OCTAL LATCHED ROTARY CODED SWITCH EXTENDED TYPE .03A@30VDC e3 -40 °C 85 °C THROUGH HOLE-RIGHT ANGLE TUBE NO MATTE TIN OVER NICKEL SOLDER 7.16 mm 10.16 mm 10.92 mm 2015 EAR99 8536.50.90.20 7 USA ROHS COMPLIANT
MRF112
NKK Switches
查询价格和库存
Yes Yes Active 10000 Cycle(s) 0.05 mΩ 12 SP12T CIRCULAR GOLD ROTARY SWITCH ROTARY SHAFT 0.4VA@28VDC ON-OFF 500VAC V 100 MΩ -10 °C 70 °C THROUGH HOLE-STRAIGHT BRASS PHOSPHOR BRONZE GOLD BREAK-BEFORE-MAKE PHOSPHOR BRONZE ZINC ALLOY 15 deg GLASS FILLED POLYAMIDE 13 WAVE NO PHOSPHOR BRONZE SOLDER 0.039 inch 11.7094 mm 13.9954 mm 0.138 inch 2237 EAR99 8536.50.70.00 6 MRF112 Mainland China
A11405RNZGK
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 1 2 SPDT LATCHED ROTARY SWITCH FLAT TYPE 0.4VA@20VAC 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER BRASS GLASS FILLED NYLON 90 deg GLASS FILLED NYLON EPOXY TERMINAL SEALED; SPLASH PROOF NO GOLD OVER NICKEL BRASS SOLDER 0.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A11405RNZGK Vietnam ROHS COMPLIANT
A20515RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 2 5 DP5T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 30 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 1.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A20515RNZQ Vietnam ROHS COMPLIANT
A10305RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 1 3 SP3T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 30 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 0.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A10305RNZQ Vietnam ROHS COMPLIANT
MA05L1NCGD
C&K Switches
查询价格和库存
Yes Yes Active 250 mA 28 V 10000 Cycle(s) 0.02 mΩ 1 5 SP5T LATCHED SILVER ROTARY SWITCH FLAT TYPE PANEL MOUNTABLE .25A@125VAC .25A@28VDC 250 mA 125 V 600VRMS V 10 GΩ e4 -30 °C 85 °C THROUGH HOLE-STRAIGHT ZINC ALLOY 1/4-28 COPPER ALLOY SILVER MAKE-BEFORE-BREAK COPPER ALLOY ZINC ALLOY 36 deg DIALLYL PHTHALATE 12 NO GOLD OVER NICKEL COPPER ALLOY SOLDER 9.4 mm 13.34 mm 0.25 inch 1814 EAR99 8536.50.90.20 6 MA05L1NCGD Vietnam ROHS COMPLIANT
71BD36-01-2-AJN
Grayhill Inc
查询价格和库存
Yes Yes Active 250 mA 28 V 15000 Cycle(s) 0.05 mΩ 1 5 DP5T LATCHED GOLD ROTARY SWITCH ADJUSTABLE STOP TYPE ADJUSTABLE STOP .25A@115VAC .25A@28VDC 250 mA 115 V 500VAC V 1 GΩ e4 PANEL MOUNT-THREADED STAINLESS STEEL 0.375 inch 3/8-32 BERYLLIUM COPPER SILVER BRASS 36 deg DIALLYL PHTHALATE NO GOLD OVER NICKEL BRASS SOLDER 0.375 inch 19.33 mm 17.45 mm 0.312 inch 2015 EAR99 8536.50.90.20 7 USA ROHS COMPLIANT
A30315RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 3 3 3P3T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 30 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 1.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A30315RNZQ Vietnam ROHS COMPLIANT
A12515RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 1 8 SP8T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 45 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 1.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A12515RNZQ Vietnam ROHS COMPLIANT
型号 Most Relevant Technical Compliance Operating Conditions Physical Dimensions Other
数据手册 单价/库存
风险等级 是否无铅
是否Rohs认证
生命周期
最大触点电流(直流) 最大触点电压(直流) 电气寿命 触点电阻 开关段数量 位置数 开关功能
开关动作
末端触点镀层 开关类型
执行器类型 其他特性 触点(交流)最大额定功率R负载 触点(交流)最大额定R负载 触点(直流)最大额定功率R负载 触点(直流)最大额定R负载 最大触点电流(交流) 触点功能 最大触点电压(交流) 介质耐电压 绝缘电阻 JESD-609代码 最低工作温度
最高工作温度
安装特点 执行器颜色 执行器材料 套管直径 套管类型 中心触点材料 中心触点镀层 触点时间 末端触点材料 外壳材料 分度角 绝缘体材料 包装方法
PCB 孔数
密封
可焊性
表面贴装
端子面层
端子材料
端接类型
执行器长度 主体宽度 主体高度 主体长度或直径 喷头长度 端子长度
mfrid
ECCN代码
HTS代码
YTEOL
Source Content uid
COO
包装说明
P3-63/I4/SVB-SW
Eaton Corporation
查询价格和库存
Active 63 A 60 V 1 1 3PST LATCHED ROTARY SWITCH HANDLE TYPE APPROVALS: CSA; UL 63A@690VAC 63A@60VDC 63 A OFF-ON 690 V -25 °C 40 °C PANEL MOUNT 90 deg CORROSION PROOF; IP65 NO SCREW 160 mm 95 mm 240 mm 1936 EAR99 8536.50.90.25 9
P1-32/I2/SVB-SW/HI11
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
T0-4-15682/I1/SVB-SW
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
T0-3-15683/I1/SVB-SW
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
P1-32/EA/SVB-SW/N
Eaton Corporation
查询价格和库存
Active 1 1 4PST LATCHED ROTARY SWITCH HANDLE TYPE 32A@690VAC 32 A ON-OFF 690 V -25 °C 50 °C PANEL MOUNT BLACK CORROSION RESISTANT; IP65 NO SCREW 49 mm 84 mm 70 mm 1936 EAR99 8536.50.70.00 9
P1-25/EA/SVB-SW/HI11
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
T0-1-102/I1/SVB-SW
Eaton Corporation
查询价格和库存
Active ROTARY SWITCH 1936 EAR99 8536.50.70.00
K1131877
TE Connectivity
查询价格和库存
Active 1 ROTARY SWITCH LEVER -40 °C 85 °C PANEL MOUNT SILVER OVER COPPER 90 deg NO SOLDER 2498 EAR99 8536.50.70.00
MRK112-A
NKK Switches
查询价格和库存
Yes Yes Active 14 mA 28 V 10000 Cycle(s) 0.05 mΩ 1 12 SP12T LATCHED GOLD ROTARY SWITCH KNOB TYPE LOW PROFILE, PANEL MOUNTABLE .014A@28VAC .014A@28VDC 14 mA 28 V 500VAC V 100 MΩ -10 °C 70 °C THROUGH HOLE-STRAIGHT 0.122 inch M6X0.75 PHOSPHOR BRONZE GOLD BREAK-BEFORE-MAKE PHOSPHOR BRONZE ZINC ALLOY 30 deg GLASS FILLED POLYAMIDE 13 IP67 NO PHOSPHOR BRONZE SOLDER 0.394 inch 10.1 mm 12.6 mm 0.217 inch 0.138 inch 2237 EAR99 8536.50.90.20 6 MRK112-A Mainland China
94HAB08T
Grayhill Inc
查询价格和库存
Yes Yes Active 30 mA 30 V 10000 Cycle(s) 1 8 BINARY CODED OCTAL LATCHED ROTARY CODED SWITCH FLUSH TYPE .03A@30VDC e3 -40 °C 85 °C THROUGH HOLE-STRAIGHT TUBE NO MATTE TIN OVER NICKEL SOLDER 9.65 mm 5.72 mm 9.91 mm 2015 EAR99 8536.50.90.20 7 USA ROHS COMPLIANT
94HAB16T
Grayhill Inc
查询价格和库存
Yes Yes Active 30 mA 30 V 10000 Cycle(s) 1 16 BINARY CODED HEXADECIMAL LATCHED TIN ROTARY CODED SWITCH FLUSH TYPE .03A@30VDC e3 -40 °C 85 °C THROUGH HOLE-STRAIGHT TUBE 6 NO Matte Tin (Sn) SOLDER 9.65 mm 5.72 mm 9.91 mm 2015 EAR99 8536.50.90.20 7 USA
94HBB08RAT
Grayhill Inc
查询价格和库存
Yes Yes Active 30 mA 30 V 10000 Cycle(s) 1 8 BINARY CODED OCTAL LATCHED ROTARY CODED SWITCH EXTENDED TYPE .03A@30VDC e3 -40 °C 85 °C THROUGH HOLE-RIGHT ANGLE TUBE NO MATTE TIN OVER NICKEL SOLDER 7.16 mm 10.16 mm 10.92 mm 2015 EAR99 8536.50.90.20 7 USA ROHS COMPLIANT
MRF112
NKK Switches
查询价格和库存
Yes Yes Active 10000 Cycle(s) 0.05 mΩ 12 SP12T CIRCULAR GOLD ROTARY SWITCH ROTARY SHAFT 0.4VA@28VDC ON-OFF 500VAC V 100 MΩ -10 °C 70 °C THROUGH HOLE-STRAIGHT BRASS PHOSPHOR BRONZE GOLD BREAK-BEFORE-MAKE PHOSPHOR BRONZE ZINC ALLOY 15 deg GLASS FILLED POLYAMIDE 13 WAVE NO PHOSPHOR BRONZE SOLDER 0.039 inch 11.7094 mm 13.9954 mm 0.138 inch 2237 EAR99 8536.50.70.00 6 MRF112 Mainland China
A11405RNZGK
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 1 2 SPDT LATCHED ROTARY SWITCH FLAT TYPE 0.4VA@20VAC 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER BRASS GLASS FILLED NYLON 90 deg GLASS FILLED NYLON EPOXY TERMINAL SEALED; SPLASH PROOF NO GOLD OVER NICKEL BRASS SOLDER 0.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A11405RNZGK Vietnam ROHS COMPLIANT
A20515RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 2 5 DP5T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 30 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 1.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A20515RNZQ Vietnam ROHS COMPLIANT
A10305RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 1 3 SP3T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 30 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 0.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A10305RNZQ Vietnam ROHS COMPLIANT
MA05L1NCGD
C&K Switches
查询价格和库存
Yes Yes Active 250 mA 28 V 10000 Cycle(s) 0.02 mΩ 1 5 SP5T LATCHED SILVER ROTARY SWITCH FLAT TYPE PANEL MOUNTABLE .25A@125VAC .25A@28VDC 250 mA 125 V 600VRMS V 10 GΩ e4 -30 °C 85 °C THROUGH HOLE-STRAIGHT ZINC ALLOY 1/4-28 COPPER ALLOY SILVER MAKE-BEFORE-BREAK COPPER ALLOY ZINC ALLOY 36 deg DIALLYL PHTHALATE 12 NO GOLD OVER NICKEL COPPER ALLOY SOLDER 9.4 mm 13.34 mm 0.25 inch 1814 EAR99 8536.50.90.20 6 MA05L1NCGD Vietnam ROHS COMPLIANT
71BD36-01-2-AJN
Grayhill Inc
查询价格和库存
Yes Yes Active 250 mA 28 V 15000 Cycle(s) 0.05 mΩ 1 5 DP5T LATCHED GOLD ROTARY SWITCH ADJUSTABLE STOP TYPE ADJUSTABLE STOP .25A@115VAC .25A@28VDC 250 mA 115 V 500VAC V 1 GΩ e4 PANEL MOUNT-THREADED STAINLESS STEEL 0.375 inch 3/8-32 BERYLLIUM COPPER SILVER BRASS 36 deg DIALLYL PHTHALATE NO GOLD OVER NICKEL BRASS SOLDER 0.375 inch 19.33 mm 17.45 mm 0.312 inch 2015 EAR99 8536.50.90.20 7 USA ROHS COMPLIANT
A30315RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 3 3 3P3T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 30 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 1.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A30315RNZQ Vietnam ROHS COMPLIANT
A12515RNZQ
C&K Switches
查询价格和库存
Yes Yes Active 350 mA 125 V 15000 Cycle(s) 0.02 mΩ 1 8 SP8T LATCHED SILVER ROTARY SWITCH FLAT TYPE 2.5A@125VAC .35A@125VDC 2.5 A 125 V 1000VRMS V 1 GΩ e4 -30 °C 85 °C PANEL MOUNT-THREADED GLASS FILLED NYLON, UL 94V-O 3/8-32 COIN SILVER SILVER BRASS GLASS FILLED NYLON 45 deg GLASS FILLED NYLON NO SILVER BRASS SOLDER 1.5 inch 12.83 mm 26.19 mm 1814 EAR99 8536.50.90.20 6 A12515RNZQ Vietnam ROHS COMPLIANT
前一页7891011下一页
Add to list:
注册 or 登录