Keylock switch MRK
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Key Switches
FeaturesFeatures
-
For PCB Mounting
Direct mounting to PC board. The terminal pin layout is in inch pitch. -
High Contact Reliability
Gold-plated contact with self-cleaning, twin contact mechanism provides high contact reliability. -
Smooth Operation
Steel ball adopted to click mechanism for smooth operation. -
Improved Resistance to Soldering Heat
The resistance to soldering heat of contacts is improved by blocking heat from terminals by using the printed circuit board.
Specifications
| Rating | 0.4VA max. (20VDC max.） |
|---|---|
| Initial contact resistance | 200mΩ max. (0.5mA 200μVAC） |
| Dielectric strength | 250VAC 1 minute |
| Insulation resistance | 100MΩ min. (100VDC） |
| Electrical life | 10,000 cycles |
| Operating force | 2.94±0.98N・cm |
| Operating temperature range | －20℃～＋70℃ |
| Storage temperature range | －40℃～＋80℃ |
Part Number Designation
| MRK | １ | 01 | 2 | A- | R | - Z |
|---|---|---|---|---|---|---|
|
Series
|
No. of poles 1: 1 pole |
SW function 01: ON-ON |
Angle of throw 1: 45° |
Key removable positions Please see bellow |
Terminals Blank: PC straight |
Key Removable Position
| Code | Key position | |||
|---|---|---|---|---|
| Ⅰ | Ⅱ | Ⅲ | Ⅳ | |
| A | 〇 | 〇 | ー | ー |
| B | 〇 | × | ー | ー |
| D | 〇 | 〇 | 〇 | 〇 |
| G | 〇 | 〇 | × | ー |
| L | × | 〇 | × | ー |
○: Removable ×: Not removable
List of Part Numbers
| Part No. | Circuit | No. of poles | Terminals | Circuit function |
|---|---|---|---|---|
| Part No.：MRK2031D-Z★ | 45° step 3-position | 2 poles | PC straight | ON－ON－ON |
| Part No.：MRK1031L-Z★ | 45° step 3-position | 1 pole | R/A | ON－ON－ON |
| Part No.：MRK1012A-Z☆ | 90° step 2-position | 1 pole | PC straight | ON－ON |
| Part No.：☆MRK1012B-Z | 90° step 2-position | 1 pole | PC straight | ON－ON |
| Part No.：MRK1012A-R-Z★ | 90° step 2-position | 1 pole | R/A | ON－ON |
| Part No.：MRK1012B-R-Z☆ | 90° step 2-position | 1 pole | R/A | ON－ON |
☆: Semi-standard products /
★: Made to order products
★: Made to order products
Outline Dimensions
Angle of Throw
PC Hole Layouts
Precautions
◆Soldering Specifications
- ①Manual Soldering
- Device: Solder iron
- 360℃ Max. 3 sec. Max.
- ②Auto Soldering
- Method: Jet wave or dip type
275℃ Max. 6 sec. Max
*Preheat should be within 80~120 ℃, 130 sec.
◆Flux Cleaning
- ①Solvent : Alcohol type
- ②MRK series are not washable. To wash the PC board, clean the soldering surface of the PC board with a brush so that the switch is not exposed to the cleaning solution.
Unterlagen
Environmental Data
- ●Die oben genannten Inhalte können ohne vorherige Ankündigung geändert werden.
Produkte
