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参数资料
| 型号： | SN74HCT257DTG4 |
| 元件分类： | 开关 |
| 英文描述： | TOGGLE SWITCH, DP3T, MOMENTARY, 4A, 28VDC, PANEL MOUNT-THREADED |
| 文件页数： | 5/7页 |
| 文件大小： | 525K |
| 代理商： | SN74HCT257DTG4 |
A-82
APEM
www.apem.com
12000X778 series
High performance toggle switches - threaded bushing 11,9 (15/32)
Fully sealed - matt black
A
Straight PC terminals - four pole L
Straight PC terminals - three pole L
Straight PC terminals - double pole L
I
II
III
12246 X778
ON
-
ON
I
II
III
12256 X778
ON
-ON
I
II
III
12266 X778
ON
-
ON
PANEL CUT
-OUT
STANDARD HARDWARE
Hex nut
U41
(matt black)
Positions and connections, see next page.
L
Models with straight PC terminals are also available with 3,5 mm (.138) short
terminals, functions 6, 9, 7 and 8
. On request.
Flat
(.681)
(.409)
(.594)
(.
6
2
9
)
(.629)
24
(15/32-32UNS)
EPOXY
(.
1
5
7
)
I
II
III
15.10
17.30
10.40
16.00
11.90-32UNS
4
.0
0
1
6
.0
0
6
.0
0
(.
2
3
6
D
IA
)
(.338)
(.
0
3
9
)
(.
2
3
6
)
(.
2
3
6
)
(.157)
(.062 DIA)
1
.0
0
6
.0
0
6
.0
0
1.60
4.00
8.60
(.059)
1.50
(.059)
1.50
22.00
(.866)
(15/32-32UNS)
11.90-32UNS
(.
2
3
6
D
IA
)
6
.0
0
EPOXY
4
.0
0
(.
1
5
7
)
(.
6
2
9
)
1
6
.0
0
(.681)
(.409)
(.594)
24
I
II
III
15.10
17.30
10.40
4.00
6
.0
0
(.157)
(.
2
3
6
)
6
.0
0
1
.0
0
(.
2
3
6
)
(.
0
3
9
)
8.60
(.338)
1.60
(.062 DIA)
(.059)
1.50
22.00
(.866)
(15/32-32UNS)
11.90-32UNS
(.
2
3
6
D
IA
)
6
.0
0
EPOXY
4
.0
0
(.
1
5
7
)
(.
6
2
9
)
1
6
.0
0
(.681)
(.409)
(.594)
24
I
II
III
15.10
17.30
10.40
4.00
6
.0
0
(.157)
(.
2
3
6
)
6
.0
0
1
.0
0
(.
2
3
6
)
(.
0
3
9
)
8.60
(.338)
1.60
(.062 DIA)
5.10
(.200)
12.00
(.472 DIA)
(.551)
(.090)
11.9-32UNS
(15/32-32UNS)
14.00
2.30
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74HCT257N | 功能描述:编码器、解码器、复用器和解复用器 Tri-St. Quad Line RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| SN74HCT257NE4 | 功能描述:编码器、解码器、复用器和解复用器 Quad 2-to-1 Data Slct/Mltpx W/3St Otp RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| SN74HCT273ANS | 制造商:Texas Instruments 功能描述: |
| SN74HCT273ANS-P | 制造商:Texas Instruments 功能描述: |
| SN74HCT273ANSR | 功能描述:触发器 Octal D-Type Flip- Flops RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
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