RAFI RF User Manual
PCB Keyswitches 4 - 23
4
RF
RF short-travel keyswitches
General data
RF 15 (15 x 15 mm) and RF 19 (19 x 19 mm) with distinct key click, for use under an overlay or with RK 90 keycaps. Can be
fully illuminated.
Content
RF 15 short-travel keyswitch 4 - 26
RF 15 short-travel keyswitch, non-illuminated 4 - 28
RF 15 short-travel keyswitch, fully illuminated with 2 LEDs 4 - 29
RF 15 short-travel keyswitch, 1 LED spot-illumination 4 - 30
RF 15 N short-travel keyswitch 4 - 32
RF 15 N short-travel keyswitch, non-illuminated 4 - 35
RF 15 R short-travel keyswitch 4 - 36
RF 15 R low short-travel keyswitch, non-illuminated 4 - 39
RF 15 R high short-travel keyswitch, non-illuminated 4 - 39
RF 15 R low short-travel keyswitch, 1 LED spot-illumination 4 - 40
RF 15 R high short-travel keyswitch, 1 LED spot-illumination 4 - 41
RF 15 H short-travel keyswitch 4 - 42
RF 15 H short-travel keyswitch, non-illuminated 4 - 44
RF 15 H short-travel keyswitch, fully illuminated 4 - 45
RF 15 signal indicator 4 - 46
RF 15 signal indicator, fully illuminated, 1 LED 4 - 48
RF 19 short-travel keyswitch 4 - 50
RF 19 short-travel keyswitch, non-illuminated 4 - 53
RF 19 short-travel keyswitch, fully illuminated with 2 LEDs 4 - 54
RF 19 short-travel keyswitch, 1 LED spot-illumination 4 - 55
RF 19 short-travel keyswitch, 1 NC + 1 NO 4 - 56
RF 19 short-travel keyswitch, non-illuminated 4 - 58
RF 19 H short-travel keyswitch 4 - 60
RF 19 H keyswitch, non-illuminated 4 - 62
RF 19 H short-travel keyswitch, fully illuminated 4 - 63
RF 19 signal indicator 4 - 64
RF 19 signal indicator,
1
/2x 1-module 4 - 66
RF 19 signal indicator,
1
/2x 2-module 4 - 66
RF 19 signal indicator, 1 x 1-module 4 - 67
RF 19 signal indicator, 1 x 2-module 4 - 67
4 - 24 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF special accessories 4 - 68
Extension plunger for RF 15 N, round head 4 - 68
Extension plunger for RF 15 N, round head, with recess for LED 4 - 69
Keycap for RF 15, snap-on, for overall height 12.5 mm 4 - 69
Spacers, round 4 - 70
Spacers, triangular 4 - 71
LED spacer for RF 15 N 4 - 72
PCB Keyswitches 4 - 25
4
RF
RF short-travel keyswitches
Specifications LED
3 mm LED
2 mm LED
Max. forward current lF:
Current reduction from: T
0
= 50 °C:
Wavelength typ:
Forward voltage U
F/lF
typ:
Reverse voltage U
R/lF
typ:
Ambient temperature, operating:
(valid for 25 °C)
30 mA
approx 0.5 mA/°C
635 nm
2 V/10 mA
5 V/100 µA min.
- 20 °C . . . + 80 °C
Red LED
30 mA
approx 0.5 mA/°C
565 nm
2 V/10 mA
5 V/100 µA min.
- 20 °C . . . + 80 °C
Green LED
20 mA
approx 0.2 mA/°C
586 nm
2 V/10 mA
5 V/100 µA min.
- 20 °C . . . + 80 °C
Yellow LED
Max. forward current lF:
Current reduction from: T0= 50 °C:
Wavelength typ:
Forward voltage U
F/lF
typ:
Reverse voltage U
R/lF
typ:
Ambient temperature, operating:
20 mA
approx 0.6 mA/°C
470 nm
2.7 V/10 mA
5V/100 µA min.
- 20 °C . . . + 80 °C
Blue LED
25 mA
-
-
3.6 V/20 mA
-
- 20 °C . . . + 80 °C
White LED
30 mA
510-545 nm
3.5 V/20 mA
-
-30 °C . . . + 100 °C
Green LED superbright
Max. forward current lF:
Current reduction from: T
0
= 50 °C:
Light current f
V/lF
typ:
Wavelength typ:
Forward voltage U
F/lF
typ:
Reverse voltage U
R/lF
typ:
Ambient temperature, operating:
(valid for 25 °C)
30 mA
0.5 mA/°C
637 nm
1.8 V/20 mA
5 V/100 µA min.
- 55 °C . . . + 100 °C
Red LED
30 mA
0.5 mA/°C
569 nm
2.1 V/10 mA
5 V/100 µA min.
- 40 °C . . . + 100 °C
Green LED
50 mA
0.8 mA/°C
250 mIm/20 mA
590 nm
1.9 V/20 mA
5 V/100 µA min.
-40 °C . . . + 100 °C
Yellow LED
Max. forward current lF:
Current reduction from: T
0
= 50 °C:
Light current f
V/lF
typ:
Wavelength typ:
Forward voltage U
F/lF
typ:
Reverse voltage U
R/lF
typ:
Ambient temperature, operating:
30 mA
-
464-485 nm
3.6 V/20 mA
- 20 °C . . . + 80 °C
Blue LED
30 mA
approx 0.6 mA/°C
635/565 nm
2 V/10 mA
-
- 20 °C . . . + 80 °C
Multi-colour LED
Rated power
of series:
P
V
= I
F
2
x R
V
Calculating the
series resistor:
R
V
=
Example for 5 Volt:
RV= = 150 Ω (= standard value)
U
B
- U
F
I
F
5V - 2.0 V
0.02 A
4 - 26 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF 15 short-travel keyswitch
General data
Low-profile keyboards with RF 15 components should be designed with a 19.05 mm grid. With this grid, frame webs remain free between the individual keys. The overlay can be glued onto these frame webs; we recommend area embossing
over the keys for the overlays.
Technical data
General information
Colour of lens see order block
Recommended key grid 19.05 mm
Dimensions
Length 15 mm
Width 15 mm
Overall height 9.7 mm
Mechanical design
Mounting soldering into PCB
Terminals contacts tin-plated, fix
contact Ag plated
Contact system snap-action contact
Contact arrangement 1 NO
Contact materials Au/Ag
Illumination spot-/fully illuminated
LED colour see order block
LED type see order block
Mechanical characteristics
Operating force max. 2 ... 3 N
Operating travel 0.5 mm
Switching travel 0.5 mm
Robustness min. with through-plated PCB
100 N
Electrical characteristics
Rated voltage min. Au: 0.02 V, Ag: 3 V
Rated voltage max. Au: 42 V, Ag: 50 V
Rated current min. Au: 0,01 mA, Ag: 0,1 mA
Rated current max. Au: 100 mA, Ag: 250 mA
Rated power max. (ohmic
load) Au: 2 W, Ag: 12.5 W
Contact resistance when
new max. 100 mΩ
Contact resistance acc.
to life max. 3 Ω
Insulation resistance 10
9
Ω
ESD strength (underneath
overlay) 15 kV
Bouncing time max. 5 ms
Other specifications
Ambient temp. operating
min. -25 °C
Ambient temp. operating
max. +70 °C
Storage temperature min. -40 °C
Storage temperature max.
(product) +80 °C
Storage temperature max.
(in tube) +50 °C
Resistance to constant
environment according to
IEC 600 68-2-3 and 2-30
Resistance at variable
environment according to
IEC 600 68-2-14 and 2-33
Operating life min. 1,000,000
Soldering time max. 2,5 sec.
Soldering temperature
max. 250 °C
Flammability of materials UL 94 HB
PCB Keyswitches 4 - 27
4
RF
RF short-travel keyswitches
F 1 = Max. operating force
F 2 = Force at contact
F 2 is max. 55% of F 1
View on component side, all hole diameters 1,1
+/- 0,1
mm
Operation characteristic limits RF
Keyswitch,
non-illuminated
Keyswitch,
fully illuminated
Keyswitch,
spot-illuminated
Force/Travel Diagram – Keyswitch RF 15 Circuit Diagram – Keyswitch RF 15
Dimensional Drawing RF 15
Hole Pattern RF 15 Hole Pattern – Front Panel
Stock items are marked
by bold printed order numbers.
4 - 28 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF 15 short-travel keyswitch, non-illuminated
Contact materials Illumination Colour of lens LED colour LED type
Order no.
Ag not illuminated transparent 3.14.100.006/0000
Au not illuminated transparent 3.14.100.001/0000
Technical data see page 4 - 26
Accessories:
Keycap for RF 15, snap-on, for overall height 12.5 mm: 5.46.654.059/0227
For keycaps, refer to chapter accessories and system RK 90.
If exchangeable legends are required, or if an overall height of 12.5 mm is required, a keycap can be mounted on the non-illuminated
keys. The keycap legend is visible through a window in the overlay. You can change the legend by replacing the keycap.
Stock items are marked
by bold printed order numbers.
PCB Keyswitches 4 - 29
4
RF
RF short-travel keyswitches
RF 15 short-travel keyswitch, fully illuminated with 2 LEDs
Pict.: red
Contact materials Illumination Colour of lens LED colour LED type
Order no.
Ag fully illuminated
2 LEDs
red red 2 mm 3.14.200.021/0000
Ag fully illuminated
2 LEDs
green green 2 mm 3.14.200.022/0000
Ag fully illuminated
2 LEDs
yellow yellow 2 mm 3.14.200.023/0000
Ag fully illuminated
2 LEDs
orange yellow 2 mm 3.14.200.024/0000
Ag fully illuminated
2 LEDs
blue blue 2 mm 3.14.200.025/0000
Au fully illuminated
2 LEDs
green green 2 mm 3.14.200.012/0000
Au fully illuminated
2 LEDs
yellow yellow 2 mm 3.14.200.013/0000
Au fully illuminated
2 LEDs
orange yellow 2 mm 3.14.200.014/0000
Au fully illuminated
2 LEDs
blue blue 2 mm 3.14.200.015/0000
Technical data see page 4 - 26
For keycaps, refer to RK 90 system design.
Technical data of LED see seperate page at the beginning of this chapter.
Illuminated area
10.8 x 10.8 mm
Housing
Actuator
Lens
Stock items are marked
by bold printed order numbers.
4 - 30 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF 15 short-travel keyswitch, 1 LED spot-illumination
Pict.: red
Contact materials Illumination Colour of lens LED colour LED type
Order no.
Ag spot illumination
1 LED
opaque white blue 3 mm 3.14.100.040/0000
Ag spot illumination
1 LED
transparent red 3 mm 3.14.100.041/0000
Ag spot illumination
1 LED
transparent green 3 mm 3.14.100.042/0000
Ag spot illumination
1 LED
transparent yellow 3 mm 3.14.100.043/0000
Au spot illumination
1 LED
opaque white blue 3 mm 3.14.100.030/0000
Au spot illumination
1 LED
transparent red 3 mm 3.14.100.031/0000
Au spot illumination
1 LED
transparent green 3 mm 3.14.100.032/0000
Au spot illumination
1 LED
transparent yellow 3 mm 3.14.100.033/0000
Technical data see page 4 - 26
Double-spot LED illumination available on request
Technical data of LED see seperate page at the beginning of this chapter.
4 - 32 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF 15 N short-travel keyswitch
General data
The RF 15N keyswitch provides a minimum overall height of 6.2 mm. The overall height can be varied by extension plungers which are inserted into the cross-like notches on the actuator tops.
LEDs can only be arranged separately next to the keyswitches up to an overall height of 10 mm (i.e. without plunger or
with small plunger).
Keyswitches with overall heights of 12 mm or more can be provided with a maximum of 2 LEDs which are inserted into
the recesses of the keyswitch housing. LEDs of keyswitches with overall heights of 12.5 mm or more should be placed onto LED spacers in order to obtain satisfactory illumination.
Technical data
General information
Colour of lens see order block
Recommended key grid 19.05 mm
Dimensions
Length 15 mm
Width 15 mm
Overall height 6.2 mm
Mechanical design
Mounting soldering into PCB
Terminals contacts tin-plated, fix
contact Ag plated
Contact system snap-action contact
Contact arrangement 1 NO
Contact materials Au/Ag
Illumination external 3 mm LED
possible if height ‹ 12 mm
Mechanical characteristics
Operating force max. 2 ... 3 N
Operating travel 0.5 mm
Switching travel 0.5 mm
Robustness min. with through-plated PCB
100 N
Electrical characteristics
Rated voltage min. Au: 0.02 V, Ag: 3 V
Rated voltage max. Au: 42 V, Ag: 50 V
Rated current min. Au: 0,01 mA, Ag: 0,1 mA
Rated current max. Au: 100 mA, Ag: 250 mA
Rated power max.
(ohmic load) Au: 2 W, Ag: 12.5 W
Contact resistance when
new max. 100 mΩ
Contact resistance acc.
to life max. 3 Ω
Insulation resistance 10
9
Ω
ESD strength (underneath
overlay) 15 kV
Bouncing time max. 5 ms
Other specifications
Ambient temp. operating
min. -25 °C
Ambient temp. operating
max. +70 °C
Storage temperature min. -40 °C
Storage temperature max.
(product) +80 °C
Storage temperature max.
(in tube) +50 °C
Resistance to constant
environment according to
IEC 600 68-2-3 and 2-30
Resistance at variable
environment according to
IEC 600 68-2-14 and 2-33
Operating life min. 1,000,000
Soldering time max. 2,5 sec.
Soldering temperature
max. 250 °C
Flammability of materials UL 94 HB
PCB Keyswitches 4 - 33
4
RF
RF short-travel keyswitches
F 1 = Max. operating force
F 2 = Force at contact
F 2 is max. 55% of F 1
Operation characteristic limits RF
Keyswitch,
non illuminated
Keyswitch,
spot-illuminated
Force/Travel Diagram – Keyswitch RF 15 N Circuit Diagram – Keyswitch RF 15 N
Dimensional Drawings RF 15 N
4 - 34 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF 15 N without plunger RF 15 N with plunger ø 10 mm, non-illuminated
RF 15 N with plunger ø 10 mm, illuminated RF 15 N with plunger ø 15 mm, illuminated
View on component side
All hole diameters 1,1
+/- 0,1
mm
PCB layout Keyswitch 1/400” grid
Hole Pattern RF 15 N
Hole Patterns – Front Panel RF 15 N
Stock items are marked
by bold printed order numbers.
PCB Keyswitches 4 - 35
4
RF
Description Photo Order no.
Page
Accessories RF 15 N short-travel keyswitch
LED yellow, 3mm 1.90.690.103/0000 5 - 20
LED spacer for RF 15 N, Ø 5 mm, spacing length 2.2 mm,
light grey, for use with overall height of 12.5 mm
5.30.109.010/0756
Extension plunger for RF 15 N, Ø 10 mm, overall height
22.5 mm
5.46.011.028/0710
Extension plunger for RF 15 N, Ø 15 mm, overall height
22.5 mm
5.46.017.028/0710
RF 15 N short-travel keyswitch, non-illuminated
Contact materials Illumination Recommended key grid Overall height
Order no.
Au external 3 mm LED possible if
height < 12 mm
19.05 mm 6.2 mm 3.14.100.601/0000
Ag external 3 mm LED possible if
height < 12 mm
19.05 mm 6.2 mm 3.14.100.606/0000
Technical data see page 4 - 32
For keycaps, refer to RK 90 system design.
Double-spot LED illumination available on request.
4 - 36 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF 15 R short-travel keyswitch
with 3 mm LED, green
Pict.: with 2 mm LED, red
General data
The round actuator of the RF 15 R keyswitch requires round front panel cut-outs. These make it possible to use a narrow
keyboard grid of only 15.24 mm with sufficiently large frame webs between the individual keys. We recommend area
embossing over the actuators for the overlay.
Technical data
General information
Recommended key grid 15.24 mm
Dimensions
Length 15 mm
Width 15 mm
Overall height 9,7/12,5 mm
Mechanical design
Mounting soldering into PCB
Terminals contacts tin-plated, fix
contact Ag plated
Contact system snap-action contact
Contact arrangement 1 NO
Contact materials Au/Ag
Illumination spot illumination
LED colour see order block
LED type see order block
Mechanical characteristics
Operating force max. 2 ... 3 N
Operating travel 0.5 mm
Switching travel 0.5 mm
Robustness min. with through-plated PCB
100 N
Electrical characteristics
Rated voltage min. Au: 0.02 V, Ag: 3 V
Rated voltage max. Au: 42 V, Ag: 50 V
Rated current min. Au: 0,01 mA, Ag: 0,1 mA
Rated current max. Au: 100 mA, Ag: 250 mA
Rated power max.
(ohmic load) Au: 2 W, Ag: 12.5 W
Contact resistance when
new max. 100 mΩ
Contact resistance acc.
to life max. 3 Ω
Insulation resistance 10
9
Ω
ESD strength (underneath
overlay) 15 kV
Bouncing time max. 5 ms
Other specifications
Ambient temp. operating
min. -25 °C
Ambient temp. operating
max. +70 °C
Storage temperature min. -40 °C
Storage temperature max.
(product) +80 °C
Storage temperature max.
(in tube) +50 °C
Resistance to constant
environment according to
IEC 600 68-2-3 and 2-30
Resistance at variable
environment according to
IEC 600 68-2-14 and 2-33
Operating life min. 1,000,000
Soldering time max. 2,5 sec.
Soldering temperature
max. 250 °C
Flammability of materials UL 94 HB
PCB Keyswitches 4 - 37
4
RF
RF short-travel keyswitches
F 1 = Max. operating force
F 2 = Force at contact
F 2 is max. 55% of F 1
View on component side
All hole diameters 1,1
+/- 0,1
mm
PCB layout Keyswitch 1/400” grid
Operation characteristic limits RF
Keyswitch,
non-illuminated
Keyswitch,
spot-illuminated
Force/Travel Diagram – Keyswitch RF 15 R Circuit Diagram – Keyswitch RF 15 R
Dimensional Drawing RF 15 R
Hole Pattern RF 15 R
4 - 38 PCB Keyswitches
4
RF
RF short-travel keyswitches
RF 15 R, non-illuminated RF 15 R, illuminated
Hole Pattern – Front Panel RF 15 R
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