SK12B データシートの表示（PDF） - Nihon Kaiheiki Industry Co. Ltd.

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SK12B

Process Sealed Keylocks

Nihon Kaiheiki Industry Co. Ltd. 

Process Sealed Keylocks Series SK

General Specifications

Electrical Capacity (Resistive Load)

Logic Level: 0.4VA maximum @ 28V AC/DC maximum

(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)

See Supplement section to find explanation of operating range

Other Ratings

Contact Resistance:

Insulation Resistance:

Dielectric Strength:

Mechanical Life:

Electrical Life:

Nominal Operating Torque:

Contact Timing:

Angle of Throw:

80 milliohms maximum

100 megohms minimum @ 500V DC

500V AC minimum for 1 minute minimum

30,000 cycles minimum

10,000 cycles minimum

.026Nm (.234 lb•in) for momentary action models

.020Nm (.182 lb•in) for maintained action models

Break-before-make

90° for 2-position & 45° for 3-position

Materials & Finishes

Boot:

Key:

Tumbler Barrel:

Bushing:

Bracket:

Base:

Movable Contactor:

Stationary Contacts:

Terminals:

Polyvinyl chloride

Brass alloy with bright nickel plating;

brass alloy with bright nickel plating & ABS resin handle

Polyacetal

Zinc alloy with nickel plating

Steel with tin plating

Glass fiber reinforced polyamide

Beryllium copper with gold plating

Copper with gold plating

Brass with tin plating

Environmental Data

Operating Temperature Range:

Humidity:

Vibration:

Shock:

–25°C through +70°C (–13°F through +158°F)

90 ~ 95% humidity for 240 hours @ 40°C (104°F)

10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning

in 1 minute; 3 right angled directions for 2 hours

50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)

PCB Processing

Soldering:

Cleaning:

Wave Soldering recommended: See Profile B in Supplement section.

Manual Soldering: See Profile B in Supplement section.

Automated cleaning. Boot must be on switch during processing.

See Cleaning specifications in Supplement section.

Standards & Certifications

UL Recognition

CSA Certification:

These SK Series devices have not been tested for UL recognition or CSA certification.

These switches are designed for use in a low-voltage, low-current, logic-level circuit.

When used as intended in a logic-level circuit, the results do not produce hazardous energy.

NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com

05-08

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