S-SF series

S-SF series View larger

S-SF PCB

New product

These switches are especially designed for flow soldering at 260°C during 5 seconds owing to high temperature polymer parts.


Main features

  • Secure assembly of the two case parts
  • Internally sealed bushing
  • Epoxy sealed terminals
  • Process compatible : Wave solderable and washable
  • Optional ESD protection

A cap U3012 provide additional protection during PCB processing, supplied mounted on the switch or separately. Material : vinyl.

More details

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Ergonomics 1

Ergonomics 2

Features

General specification

• Mechanical strength : Terminals are strengthened by a bracket or a ground plate ensuring the rigidity of the switch on the board. Actuator strength is 10 N max.
• 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

Environmental specifications

• 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).

Electrical specifications

• Max. current/voltage rating with resistive load :
- silver contacts (A or 1) : 4 A 30 VDC
- gold plated brass contacts (CD or 0) : 0.4 VA 20 VAC or DC
- gold plated silver contacts (AD or 2) : 4 A 30 VDC (300 mA 30 VDC for gold plating)
• Initial contact resistance : 10 mΩ max.
• Insulation resistance : 1,000 MΩ min.
• Dielectric strength : 1,000 Vrms 50 Hz min.

Materials

• Case and cover : UL94-VO, polyamide, glass filled or PES
• Actuator : brass, nickel plated
• Contacts
CD or 0 : brass, gold plated
A or 1 : silver
AD or 2 : silver, gold plated
• Terminal seal : epoxy

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