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Tactile switch B3F (B3F-4050)

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On Sale Till 31/03/2025

OMRON

A full lineup of 6 × 6 mm, 12 × 12 mm, horizontal push, high load, and gold-plated contacts.
[Features]
・ Achieves a sharp click feeling and high durability
・ Series of taping specifications that can be used with general-purpose radial taping component insertion machines
・ A series of gold-plated types that provide stable contact and insulation over a long period of time
・ A convex plunger is available to which a key top (B32 series) can be attached
[Applications]
・ For use in communication equipment, office equipment, test measuring instrument, disaster prevention and security equipment, etc.
・ Mounted on PCBs such as security devices and used in a wide range of applications

Part Number

Configured Part Number is shown.

B3F-4050

Product Specifications
Part Numbers
Catalog

Tactile Switch B3F Specifications

B3F external appearance

Standard type, flat type (without grounding terminal) dimensional drawing
6-mm square type

Model B3F-1000
Model B3F-1002
Model B3F-1005
Model B3F-1020*
Model B3F-1022*

*The height is 5 ±0.2 mm.

Standard type, flat type (without grounding terminal) PCB processing dimensional drawing
PCB thickness: t = 1.6

Model B3F-1000
Model B3F-1002
Model B3F-1005
Model B3F-1020*
Model B3F-1022*

*The height is 5 ±0.2 mm.

Standard type, flat type (with grounding terminal) dimensional drawing
6-mm square type

Model B3F-1100
Model B3F-1102

Standard type, flat type (with grounding terminal) PCB processing dimensional drawing
PCB thickness: t = 1.6

Model B3F-1100
Model B3F-1102

Standard type, flat type (with grounding terminal, pitch of 7.5 mm) dimensional drawing
6-mm square type

Model B3F-1110

Standard type, flat type (with grounding terminal, pitch of 7.5 mm) PCB processing dimensional drawing
PCB thickness: t = 1.6

Model B3F-1110

Standard type, flat type (without grounding terminal) dimensional drawing
6-mm square type

Model B3F-1070
Model B3F-1072

Standard type, flat type (without grounding terminal) PCB processing dimensional drawing
PCB thickness: t = 1.6

Model B3F-1070
Model B3F-1072

Common items/Units: mm

B3F Types

6-mm square type

Grounding Terminal						N	Y
Type	Contact Material	Plunger Types	Height	Force Required For Operation (OF)	Plunger Color	Model	Model
Standard Type Model B3F-1000 Series	Silver Plated	(Flat Type)	4.3 mm	0.98 N	Ivory	Model B3F-1000	Model B3F-1100
				1.47 N	Yellow	Model B3F-1002	Model B3F-1102
				2.55 N	Orange	Model B3F-1005	-
				4.9 N	Red	-	-
			5.0 mm	0.98 N	Black	Model B3F-1020	-
				1.47 N	Gray	Model B3F-1022	-
				2.55 N	Pink	-	-
				4.9 N	Blue	-	-
			5.0 mm (7.5 mm Pitch)	0.98 N	Black	-	Model B3F-1110
			7.0 mm	0.98 N	Black	-	-
			7.0 mm	1.47 N	Yellow	-	-
			9.5 mm	0.98 N	Black	Model B3F-1070	-
				1.47 N	Yellow	Model B3F-1072	-
				2.55 N	Orange	-	-
		(Protruding Type)	7.3 mm	0.98 N	Ivory	Model B3F-1050	Model B3F-1150
				1.47 N	Yellow	Model B3F-1052	Model B3F-1152
				2.55 N	Orange	Model B3F-1055	-
				4.9 N	Red	-	-
Horizontal Insert Type Model B3F-3000 Series	Silver Plated	(Flat Type)	3.15 mm	0.98 N	Ivory	-	Model B3F-3100
				1.47 N	Yellow	-	Model B3F-3102
				2.55 N	Orange	-	-
			3.85 mm	0.98 N	Black	-	Model B3F-3120
				1.47 N	Gray	-	Model B3F-3122
				2.55 N	Pink	-	-
		(Protruding Type)	6.15 mm	0.98 N	Ivory	-	Model B3F-3150
				1.47 N	Yellow	-	Model B3F-3152
				2.55 N	Orange	-	-

12-mm square type

Grounding Terminal						N	Y
Type	Contact Material	Plunger Types	Height	Force Required For Operation (OF)	Plunger Color	Model	Model
Standard Type Model B3F-4000 Series	Silver Plated	Flat Type	4.3 mm	1.27 N	Ivory	Model B3F-4000	Model B3F-4100
		Flat Type	4.3 mm	2.55 N	Yellow	Model B3F-4005	-
		Protruding Type	7.3 mm	1.27 N	Ivory	Model B3F-4050	Model B3F-4150
		Protruding Type	7.3 mm	2.55 N	Yellow	Model B3F-4055	Model B3F-4155
Long Service Life Type Model B3-5000 Series	Silver Plated	Flat Type	4.3 mm	1.27 N	Blue	Model B3F-5000	-
Long Service Life Type Model B3-5000 Series	Silver Plated	Protruding Type	7.3 mm	1.27 N	Blue	Model B3F-5050	Model B3F-5150
High Reliability Type· Gold Plated Type Model B3F-5001 Series	Gold Plated	Flat Type	4.3 mm	1.27 N	Blue	Model B3F-5001	Model B3F-5101
	Gold Plated	Protruding Type	7.3 mm	1.27 N	Blue	Model B3F-5051	Model B3F-5151

B3F Ratings/Performance

Rating (Resistance Load)		3 to 24 V DC, 1 to 50 mA (Model B3F-G Series: 3 V to 24 V DC, 100 μA to 50 mA)
Minimum Applicable Load (Reference Value)		1 V DC, 10 μA
Operating Temperature Range		-25 to +70°C, 60% RH or Less (Assuming No Freezing or Condensation)
Operating Humidity Range		35 to 85% RH (at +5 to +35°C)
Contact Configuration		1a (Normally Open Contact)
Contact Resistance (Initial Value)		100 mΩ or Less
Insulation Resistance		100 MΩ or More (with 250 V DC Insulation Resistance Meter)
Withstand Voltage		500 V AC, 50/60 Hz, 1 min
Bouncing		5 ms or Less
Vibration	Malfunction	10 to 55 Hz, Double Amplitude 1.5 mm
Shock / Impact	Malfunction	Maximum 1,000 m/s²
Shock / Impact	Durability	Maximum 100 m/s²
Durability		Model B3F-1000 Series, Model B3F-3000 Series, Model B3F-6000 Series 1,000,000 Times or More (OF: 0.98 N Type, Model B3F-1070: 500,000 Times or More) 300,000 Times or More (OF: 1.47 N Type) 100,000 Times or More (OF: 2.55 N Type) 50,000 Times or More (OF: 4.9 N Type) Model B3F-4000 Series 3,000,000 Times or More (OF: 1.27 N Type) 1,000,000 Times or More (OF: 2.55 N Type) Model B3F-5000/5001 Series: 10,000,000 Times or More Model B3F-G Series: 300,000 Times or More
Weight		6-mm Square Type: Approx. 0.25 g, 12-mm Square Type: Approx. 0.85 g (Value for Standard Type), Radial Type: Approx. 0.25 g
Protective Structure		IP00
Washing		Not Applicable

B3F Operating Characteristics

6-mm square type

Type	Model B3F-1000, -3000
Force Required For Operation (OF)	0.98 N Type	1.47 N Type	2.55 N Type
Model	Model B3F-1□□0 Model B3F-3□□0	Model B3F-1□□2 Model B3F-3□□2	Model B3F-1□□5
Force Required For Operation (OF)	0.98 ±0.29 N	1.47 ±0.49 N	2.55 ±0.69 N
Return Force (RF)	Minimum 0.2 N	Minimum 0.49 N	Minimum 0.49 N
Pre-Travel (PT)	0.25 +0.2 mm, -0.1 mm

12-mm square type

Type	Model B3F-4000, -5000, -5001 Series
Force Required For Operation (OF)	1.27 N Type	2.55 N Type
Model	Model B3F-4□□0 Model B3F-5□□0 Model B3F-5□□1	Model B3F-4□□5
Force Required For Operation (OF)	1.27 ±0.49 N	2.55±0.69 N
Return Force (RF)	Minimum 0.29 N	Minimum 0.49 N
Pre-Travel (PT)	0.3 +0.2 mm, -0.1 mm

*Refer to the catalog for product information other than that above.

: 30; 45; 60

Part Number
B3F-4050

Part Number Standard Unit Price Minimum order quantity Volume Discount Days to Ship Dimension vertical
(mm) Dimension width
(mm) Dimension depth
(mm) Grounding Terminal Operating part shape Operation Direction Operating part color Note

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Dimension vertical (mm)	Dimension width (mm)	Dimension depth (mm)	Grounding Terminal	Operating part shape	Operation Direction	Operating part color	Note
	SGD 1.33 SGD 0.27	1 Piece(s)		Same day	7.3	12	12	NA	Convex	Vertical push	Ivory	-

SGD 1.33

SGD 0.27

1 Piece(s)

Same day

7.3

Convex

Vertical push

Ivory

Product TOP

Basic Information

Terminal shape	PC terminal	Number of Poles	1	Protection function (environmentally resistant)	NA
Function Operation	OFF-(ON)	Lighting function	NA	Rated (Ω load)(V)/(A)	DC3～24V/1～50mA
Terminal Specification	Circuit Board Hole Insertion	LED color	NA	Number of LEDs	NA
Cleaning	Not Applicable	Protective structure details	NA

Please check the type/dimensions/specifications of the part B3F-4050 in the Tactile switch B3F series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

Dimension vertical(mm)
4.3

6

7.3

7.4
Clear
Dimension width(mm)
6

7.3

12
Clear
Dimension depth(mm)
4.3

5

6.25

7.3

9.5

12
Clear
Grounding Terminal
- Available
- NA
Clear
Operating part shape
- Convex
- Flat
Clear
Operation Direction
- Horizontal push
- Vertical push
Clear
Operating part color
- Black
- Blue
- Gray
- Ivory
- Orange
- Yellow
Clear

Days to Ship

All

Same day

89 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Similar Part Numbers

Part Number
B3F-1005
B3F-1020
B3F-1022
B3F-1050
B3F-4055
B3F-5000

Standard Unit Price	Minimum order quantity	Days to Ship	Dimension vertical (mm)	Dimension width (mm)	Dimension depth (mm)	Grounding Terminal	Operating part shape	Operation Direction	Operating part color	Note
SGD 1.09	1 Piece(s)	Same day	6	6	4.3	NA	Flat	Vertical push	Orange	-
SGD 1.09	1 Piece(s)	Same day	6	6	5	NA	Flat	Vertical push	Black	-
SGD 1.70	1 Piece(s)	89 Day(s)	6	6	5	NA	Flat	Vertical push	Gray	-
SGD 0.80	1 Piece(s)	Same day	6	6	7.3	NA	Convex	Vertical push	Ivory	-
SGD 1.33	1 Piece(s)	Same day	7.3	12	12	NA	Convex	Vertical push	Yellow	-
SGD 1.57	1 Piece(s)	Same day	4.3	12	12	NA	Flat	Vertical push	Blue	タイプ：12mm角長寿命形

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations): Tel：(65) 6733 7211 / FAX：(65) 6733 0211; 9:00am - 6:00pm (Monday - Friday); Technical Inquiry

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Tactile switch B3F (B3F-4050)

Tactile Switch B3F Specifications

B3F Types

B3F Ratings/Performance

B3F Operating Characteristics

Basic Information

Configure

Specification/Dimensions

Dimension vertical(mm)

Dimension width(mm)

Dimension depth(mm)

Grounding Terminal

Operating part shape

Operation Direction

Operating part color

Days to Ship

Specify Alterations

Similar Part Numbers

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