Piano Key - Short & Long Actuator

DIL Switches

Page 2

31/05/05 V1.0

Item

Description

Test Conditions

Requirements

Electric Performance:

1

Visual Examination

By visual examination check without any out pressure

and testing.

There shall be no defects that

affect the serviceability of the

product.

2

Contact Resistance

1. To be measured between the two terminals

associated with each switch pole.

2. Measurements shall be made with a 1KHz shall

current contact resistance meter.

50m

Ω maximum (initial).

3

Insulation Resistance

500V dc, 1 minute ±5 seconds.

100M

Ω minimum.

4

Dielectric Withstanding Voltage

300V ac (50Hz or 60Hz) shall be applied between all the

adjacent terminals and between the terminal and the

frame for 1 minute.

There shall be no breakdown or

flashover.

5

Capacitance

1MHz ±10kHz.

5pF maximum.

Mechanical Performance:

6

Operation Force

Applied in the direction of operation.

ON

OFF

OFF

ON

800gf maximum.

7

Stop Strength

A static load of PI: Short actuator: 1kgf, Long actuator:

1kgf is applied in the operating direction and pulling

direction, operated for a period of 15 seconds.

There shall be no sign of

damage mechanically.

8

Soldering Heat Resistance

1. Soldering temperature:

As show in item 2 to 6.

P.C.Board

Terminal PI

260°C ±5°C

5 ±1 seconds.

2. Duration of solder immersion: 5 ±1 seconds.

3. Frequency of solder process: 2 times maximum.

(PCB is 1.6mm in thickness).

9

Vibration

Shall be vibrated in accordance with Method 201A of

MIL-STD-202F

1.Frequency : 10-55-10Hz 1 minute/cycle

2.Direction

: 3 vertical directions including the direction

of operation.

3.Test time : 2 hours each direction.

As show in item 2 to 6.

10

Shock

Shall be shocked in accordance with Method 213B

Condition A MIL-STD-202F

1.Acceleration

: 50G.

2.Action time

: 11 ±1m seconds.

3.Testing direction

: 6 sides.

4.Test cycle

: 3 times in each direction.

As show in item 2 to 6.

11

Solderability

1.PI soldering temperature

: 230 ±5°C.

2.Flux

: 5 - 10 seconds.

3.Duration of solder immersion : 3 ±0.5 seconds.

No anti-soldering and the

coverage of dipping into solder

must more than 75% was

requested.

4. Test Sequence