BL-Series Metal Domes by Snaptron | Back-lit Switch

BL-SERIES

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BL-Series domes have four legs and were devised for applications that require a back-lit switch with crisp tactile feedback. The hole in the center of the dome allows for the placement of an LED directly behind the dome switch rather than off to the side. The result is a more intense lighting effect.

BL-Series tactile domes can be mounted on single or double-sided printed circuit boards, flex circuits, or membranes. BL-series domes can also be packaged in cartridges. This enables quick and accurate placement using the Dart™ dome placement pen or the SureShot™ automated dome placement machine.

PCB Pads

Part Numbers

Part Number	Diameter	Height	Trip Force	Dimple	Life Cycles	Specs	Request Samples
BL08260	8.5mm (0.335")	0.53mm (0.021")	260g	No	up to 5,000,000	Specs	Add to List
BL08400	8.5mm (0.333")	0.56mm (0.022")	400g	No	up to 5,000,000	Specs	Add to List
BL10280	10mm (0.394")	0.56mm (0.022")	280g	No	up to 5,000,000	Specs	Add to List
BL10660	10mm (0.394")	0.69mm (0.025")	660g	No	up to 20,000	Specs	Add to List
BL12280	12mm (0.472")	0.71mm (0.028")	280g	No	up to 5,000,000	Specs	Add to List
BL12340	12mm (0.472")	0.66mm (0.026")	340g	No	up to 5,000,000	Specs	Add to List
BL12450	12mm (0.472")	0.71mm (0.028")	450g	No	up to 5,000,000	Specs	Add to List
BL14400	14mm (0.551")	0.71mm (0.028")	400g	No	up to 5,000,000	Specs	Add to List
BL14700	14mm (0.551")	0.89mm (0.035")	700g	No	up to 25,000	Specs	Add to List

Dim. A	8.5mm (0.335")
Dim. B	1.70mm (0.067")
Dim. C	0.53mm (0.021")
Dim. D	6.93mm (0.273")
Dim. E	3.30mm (0.130")
Dim. F	1.78mm (0.070")
Dim. G	3.31mm (0.130" (adhesive tape))
Dim. X (dome cavity)	7.75mm (0.305")
Fmax/Force	260g +/- 30g, typical
Contact Configuration	SPST N.O.
Switching Voltage	0.1 to 50 VDC
Switching Capacity	1 Watt
Switching Current	0.05 to 100 mA DC
Contact Bounce	<0.3ms make <0.6ms break
Base Material	SSTL
Plating	Nickel/Silver/Gold optional
Operating Temp Rating	-45 degrees C to +100 degrees C
Storage Temp Rating	-55 degrees C to +100 degrees C

Dim. A	8.5mm (0.333")
Dim. B	1.70mm (0.067")
Dim. C	0.56mm (0.022")
Dim. D	6.93mm (0.273")
Dim. E	3.30mm (0.130")
Dim. F	1.78mm (0.070")
Dim. G	3.31mm (0.130" (adhesive tape))
Dim. X (dome cavity)	7.75mm (0.305")
Fmax/Force	400g +/- 10% of trip force, typical
Contact Configuration	SPST N.O.
Switching Voltage	0.1 to 50 VDC
Switching Capacity	1 Watt
Switching Current	0.05 to 100 mA DC
Contact Bounce	<0.3ms make <0.6ms break
Base Material	SSTL
Plating	Nickel/Silver/Gold optional
Operating Temp Rating	-45 degrees C to +100 degrees C
Storage Temp Rating	-55 degrees C to +100 degrees C

Dim. A	10mm (0.394")
Dim. B	2.29mm (0.090")
Dim. C	0.56mm (0.022")
Dim. D	8.33mm (0.328")
Dim. E	4.19mm (0.165")
Dim. F	2.54mm (0.100")
Dim. G	4.07mm (0.160" (adhesive tape))
Dim. X (dome cavity)	9.14mm (0.36")
Fmax/Force	280g +/- 30g, typical
Contact Configuration	SPST N.O.
Switching Voltage	0.1 to 50 VDC
Switching Capacity	1 Watt
Switching Current	0.05 to 100 mA DC
Contact Bounce	<0.3ms make <0.6ms break
Base Material	SSTL
Plating	Nickel/Silver/Gold optional
Operating Temp Rating	-45 degrees C to +100 degrees C
Storage Temp Rating	-55 degrees C to +100 degrees C

Dim. A	10mm (0.394")
Dim. B	2.29mm (0.090")
Dim. C	0.69mm (0.025")
Dim. D	8.33mm (0.328")
Dim. E	4.19mm (0.165")
Dim. F	1.78mm (0.070")
Dim. G	3.31mm (0.130" (adhesive tape))
Dim. X (dome cavity)	9.14mm (0.36")
Fmax/Force	660g +/- 10% of trip force, typical
Contact Configuration	SPST N.O.
Switching Voltage	0.1 to 50 VDC
Switching Capacity	1 Watt
Switching Current	0.05 to 100 mA DC
Contact Bounce	<0.3ms make <0.6ms break
Base Material	SSTL
Plating	Nickel/Silver/Gold optional
Operating Temp Rating	-45 degrees C to +100 degrees C
Storage Temp Rating	-55 degrees C to +100 degrees C

Dim. A	12mm (0.472")
Dim. B	2.49mm (0.098")
Dim. C	0.71mm (0.028")
Dim. D	9.96mm (0.392")
Dim. E	5.00mm (0.197")
Dim. F	3.18mm (0.125")
Dim. G	4.71mm (0.185" (adhesive tape))
Dim. X (dome cavity)	10.67mm (0.42")
Fmax/Force	280g +/- 30g, typical
Contact Configuration	SPST N.O.
Switching Voltage	0.1 to 50 VDC
Switching Capacity	1 Watt
Switching Current	0.05 to 100 mA DC
Contact Bounce	<0.3ms make <0.6ms break
Base Material	SSTL
Plating	Nickel/Silver/Gold optional
Operating Temp Rating	-45 degrees C to +100 degrees C
Storage Temp Rating	-55 degrees C to +100 degrees C

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BL-SERIES

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