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參數資料
| 型號： | SW249CD-7U1712 |
| 元件分類： | 開關 |
| 英文描述： | TOGGLE SWITCH, DPDT, LATCHED, 0.02A, 20VDC, THROUGH HOLE-RIGHT ANGLE |
| 文件頁數： | 1/9頁 |
| 文件大小： | 272K |
| 代理商： | SW249CD-7U1712 |
APEM
www.apem.com
A-13
S and SF series
Washable miniature toggle switches
Distinctive features and specifications
A
MATERIALS
Case and cover : UL94-VO,
polyamide, glass filled or PES
Actuator : brass, chrome plated
Contacts
CD
or 0 : brass, gold plated
A
or 1 : silver
AD
or 2 : silver, gold plated
Terminal seal : epoxy
ELECTRICAL SPECIFICATIONS
Max. current/voltage rating with resistive load :
- silver contacts (A or 1) : 2A 250VAC - 5A 125VAC - 4A 30VDC
- gold plated brass contacts (CD or 0) : 0,4VA 20VAC or DC
- gold plated silver contacts (AD or 2) : 2A 250VAC - 5A 125VAC -
4A 30VDC (300mA 30VDC for gold plating)
Initial contact resistance : 10 mΩ max.
Insulation resistance : 1.000 MΩ min.
Dielectric strength : 1.000 Vrms 50 Hz min.
Electrical life at full load :
Contacts
A or 1
CD or 0
AD or 2
40.000
100.000
50.000
40.000
Number of cycles
2 positions
3 positions
Sealed
Secure assembly of the two case parts
Internally sealed bushing
Epoxy sealed terminals
Process compatible (S series)
Wave solderable
Washable
Optional ESD protection
GENERAL SPECIFICATIONS
Mechanical strength :
Terminals are strengthened by a bracket or a ground plate ensuring the rigidity of the switch on the board.
Actuator strength is 10N max.
Operating temperature : -20°C to +85°C
Storage temperature : -40°C to +85°C
Moisture :
The insulating materials employed and the complete seal permit the switches to withstand a 56 days moisture test
(IEC 68-2-3).
Soldering - thermal shock (S series only) :
The switches are especially designed for flow soldering at 260°C during 5 seconds owing to high temperature
polymer parts.
Iron soldering (SF series) : 300°C 5 sec. max.
Solderability : The switches are tested at 235°C according to IEC 68-2-20 after accelerated aging.
AGENCY APPROVALS
CECC 96201-006
Availability
: consult factory for details of approved models.
Marking
: to order switches marked UL or CECC, complete appropriate box
of ordering format.
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