Data Sheet

®
Electrocomponents
Series 225B Data Sheet
Tactile Switch
7.8 x 3.5mm Compact
Tactile Switch
Features
Optimized Mechanical Features
• Surface mount terminal configuration
• Compatible with IR reflow and manual soldering
Optimized Contact System
• Excellent tactile feedback
Materials
• Silver coated terminals for better solderability
• High temperature materials (UL94V-0)
• RoHS compliant
Electrical and Mechanical Specifications
Switch Contact Resistance
500 milliohms maximum
Storage Temperature
- 40°C to +85°C
Insulation Resistance
100 Megohms minimum between
terminals
Push Strength
3 Kgf maximum
Maximum Rating
50 mA -12 VDC
Actuation Life
Travel 0.15mm: 100,000 cycles (160gf, 260gf)
Travel 0.25mm: 50,000 cycles (160gf),
30,000 cycles (260gf)
Dielectric Strength
250 VAC for 1 minute between adjacent
terminals
Operating Force
160 or 260gf
Travel
0.15, 0.25 mm
Allowable Solder Time
IR Reflow: Up to 5 seconds at 260°C.
Manual soldering: Up to 3 seconds at 350°C
Packaging
Standard : Tape and reel packaging with
330mm diameter reel and 16mm wide plastic tape
Operating Temperature
- 40°C to +85°C
1-3
CTS Electrocomponents
© 2015 CTS Corporation. All rights reserved. Information subject to change.
8/19/15
www.ctscorp.com
4.2
2.3
3
-0 HOLES
2- 1.0 +0.1
0.15 MAX.
5.4
8.3
3.4
1.5
1.75
4
1.6
CIRCUIT DIAGRAM
6.9
2
0.5
3.0
1.0
0.15
1
1.4
4
1.4
2
3
1.1
1
1.1
2.5
L
0.3 MAX.
1.35
0.4
CTS SERIES 225BM...RB1(S), 225BM...RB2(S) - Surface Mount, With Boss
PCB LAYOUT
H
0.6
1.0
2.3
7.8
2
3
0.8
4
0.6
0.15
DIMENSION : mm
STANDARD TOLERANCE :
.X (1 PLACE) : ±0.2
0.6
4.2
2
1
1
2
3
4
4.2
2.3
3.0
1.0
2
0.5
1
CIRCUIT DIAGRAM
6.9
4
1.75
5.4
8.3
3.4
1.5
0.15 MAX.
3
1.6
L
2.5
0.3 MAX.
1.35
0.4
CTS SERIES 225BM...R, 225BM...RS - Surface Mount, No Boss
PCB LAYOUT
0.6
1.0
7.8
4
3
0.6
0.6
DIMENSION : mm
STANDARD TOLERANCE :
.X (1 PLACE) : ±0.2
4.2
1
2 -3
CTS Electrocomponents
2
© 2015 CTS Corporation. All rights reserved. Information subject to change.
8/19/15
www.ctscorp.com
Ordering Information
225B – M
Termination
M: SURFACE MOUNT GULL WING
Actuating Direction
S: SIDE
S
A
A
R
B1
S
Travel
S : 0.15mm
BLANK: 0.25mm
Actuator Force
A: 160 gf
B: 260 gf
Boss Height “H”
B1: 0.4mm
B2: 0.8mm
BLANK: NO BOSS
Packaging
R : TAPE & REEL PACKAGING
Actuator Length “L”
A: 3.5 mm
!!!Note:
Consult CTS for other common features not
listed.
3 -3
CTS Electrocomponents
© 2015 CTS Corporation. All rights reserved. Information subject to change.
8/19/15
www.ctscorp.com
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