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參數(shù)資料
| 型號(hào)： | 74HC238D |
| 元件分類(lèi)： | 開(kāi)關(guān) |
| 英文描述： | TOGGLE SWITCH, DP3T, MOMENTARY, 4A, 28VDC, PANEL MOUNT-THREADED |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 525K |
| 代理商： | 74HC238D |
APEM
www.apem.com
A-79
12000X778 series
High performance toggle switches - threaded bushing 11,9 (15/32)
Specifications
A
MATERIALS
Case : diallylphthalate (DAP)
with plastic external shell
(epoxy sealed)
Actuator : brass, black chrome
plated
Bushing : brass, black chrome
plated
Contacts : solid rivet -
gold plated silver/nickel alloy
ELECTRICAL SPECIFICATIONS
Max. current/voltage rating with resistive load : 2A 250VAC - 4A 125VAC - 4A 28VDC
Minimum load : 10mA 50mV, 10A 5VDC
When used above 300mA 28VDC, the gold plating is removed on contact areas and is considered only as a protection
against oxidation during storage.
Initial contact resistance : 10 m max.
Insulation resistance : 1.000 M min. at 500VDC
Dielectric strength :
1.000 Vrms 50 Hz min. between terminals
2.000 Vrms 50 Hz min. between poles
2.000 Vrms 50 Hz min. between terminals and frame
Contact bounce : 2 ms max.
Electrical life :
- At 2A 250VAC - 4A 28VDC :
20.000 cycles (10.000 for functions 5, 4-1R, 4-2R)
- At low level (50mV 10mA) :
150.000 cycles (switches with 2 maintained positions)
100.000 cycles (switches with 3 maintained positions)
50.000 cycles (momentary functions 7, 8, 4-1R, 4-2R, 5)
GENERAL SPECIFICATIONS
Torque : 1,50 Nm (1.10 Ft.lb) max. applied to nut
Panel thickness : 8 mm (.314) max. - 3 mm (.118) min.
Shock test : 50g - 11ms (IEC 68-2-27)
Vibrations : 10-500 Hz - 10g (IEC68-2-6)
Operating temperature : -40°C to +85°C
Humidity test : 56 days, 93 % R.H., 40°C (IEC 68-2-3)
Salt spray test : 96 hours (IEC 68-2-11)
APPROVALS
Many models within this range have full CECC approval and are marked
CECC. Please consult factory for list of approved models.
SEALING
Front panel sealing by two O-rings
Flatted bush for precise orientation
Panel seal withstands 1 bar pressure and
remains sealed even when the switch is operated.
Epoxy sealed terminals
Splash-proof case
Flat
O-rings
Amps
4 A
2 A
10A
5 VDC
28 VDC
125 VAC
250 VAC
Volts
50 mV
10mA
48 VDC
1 A
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC238D(BJ) | 功能描述:Decoder 1 x 3:8 16-SOIC 制造商:toshiba semiconductor and storage 系列:74HC 包裝:剪切帶（CT） 零件狀態(tài):在售 類(lèi)型:解碼器 電路:1 x 3：8 獨(dú)立電路:1 電流 - 輸出高，低:5.2mA，5.2mA 電壓源:單電源 電壓 - 電源:2 V ~ 6 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:* 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:16-SOIC 標(biāo)準(zhǔn)包裝:1 |
| 74HC238D,652 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-TO-8 DECODER RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HC238D,653 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-8 LINE DCOD/DMUX RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HC238D653 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| 74HC238DB | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-TO-8 DECODER DEMULTIPLEXER RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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