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| Back Mechanical Key Switch A Wide Range of Models: 6 x 6 mm, 12 x 12 mm, Vertical and High-force. Excellent tactile feel combined with high life expectancy. Available in stick packaging for automatic mounting to PCBs. Up to 2.55 N (260-gf) operating force for a firmer operating touch. Pushbuttons available in nine colors. B3F Ordering Information 6 x 6 mm Models Type Standard (B3F-1jjj) 5.0 x 6.5 mm Plunger Flat Height x pitch 4.3 x 6.5 mm Operating force (OF) 0.98 N (100 gf) 1.47 N (150 gf) 2.55 N (260 gf) 0.98 N (100 gf) 1.47 N (150 gf) 2.55 N (260 gf) 5.0 x 7.5 mm Projected 7.3 x 6.5 mm 0.98 N (100 gf) 0.98 N (100 gf) 1.47 N (150 gf) 2.55 N (260 gf) Extended Vertical (B3F-3jjj) 3.85 mm Flat 9.5 x 6.5 mm 3.15 mm 0.98 N (100 gf) 0.98 N (100 gf) 1.47 N (150 gf) 2.55 N (260 gf) 0.98 N (100 gf) 1.47 N (150 gf) 2.55 N (260 gf) Projected 6.15 mm 0.98 N (100 gf) 1.47 N (150 gf) 2.55 N (260 gf) * (100 / bag) Plunger type Appearance 4.3 or 7.3 9.5 Without ground terminal Bags * B3F-1000 B3F-1002 B3F-1005 B3F-1020 B3F-1022 B3F-1025 --B3F-1050 B3F-1052 B3F-1055 B3F-1070 ------------------Sticks (90/stick) B3F-1000S B3F-1002S B3F-1005S B3F-1020S B3F-1022S B3F-1025S --B3F-1050S B3F-1052S B3F-1055S --------------------- With ground terminal Bags * B3F-1100 B3F-1102 B3F-1105 B3F-1120 B3F-1122 B3F-1125 B3F-1110 B3F-1150 B3F-1152 B3F-1155 --B3F-3100 B3F-3102 B3F-3105 B3F-3120 B3F-3122 B3F-3125 B3F-3150 B3F-3152 B3F-3155 Sticks (75/stick) B3F-1100S B3F-1102S B3F-1105S B3F-1120S B3F-1122S B3F-1125S --B3F-1150S B3F-1152S B3F-1155S --------------------- Flat Projected Extended Flat (vertical) Projected (vertical) 3.15 or 3.85 6.15 12 x 12 mm Models Type Plunger (or LED color) Flat Projected Long life expectancy (B3F-5jj0) High reliability gold-plated (B3F-5jj1) Surface illumination Flat Projected Flat Projected Red LED Green LED Height x pitch Operating force (OF) 1.27 N (130 gf) 2.55 N (260 gf) 7.3 x 12.5 mm 4.3 x 12.5 mm 7.3 x 12.5 mm 4.3 x 12.5 mm 7.3 x 12.5 mm 7.3 x 12.5 mm 1.27 N (130 gf) 1.27 N (130 gf) 1.27 N (130 gf) 2.55 N (260 gf) 1.27 N (130 gf) Without ground terminal Bags ** Standard (B3F-4jjj) 4.3 x 12.5 mm B3F-4000 B3F-4005 B3F-4050 B3F-4055 B3F-5000 B3F-5050 B3F-5001 B3F-5051 ------Sticks (45/stick)* B3F-4000S B3F-4005S B3F-4050S B3F-4055S B3F-5000S B3F-5050S B3F-5001S B3F-5051S B3F-9100 B3F-9200 B3F-9300 With ground terminal Bags ** B3F-4100 B3F-4105 B3F-4150 B3F-4155 B3F-5100 B3F-5150 B3F-5101 B3F-5151 ------Sticks (45/stick) B3F-4100S B3F-4105S B3F-4150S B3F-4155S B3F-5100S B3F-5150S B3F-5101S B3F-5151S ------- Yellow LED (B3F-9jjj) * 36 per stick for B3F-9jjj. ** (100 / bag) Accessories (order separately) Special keytops are available for projected plunger models. See page 27 (Product B32). Specifications Ratings Switching capacity Insulation voltage 5 to 24 VDC, 1 to 50 mA (resistive load) 30 VDC Characteristics Contact form Contact resistance Insulation resistance Dielectric strength Bounce time Vibration resistance Shock resistance Life expectancy SPST-NO 100 m max. (at 5 VDC, 1 mA; initial value.) 100 M min. (at 250 VDC) 500 VAC, 50/60 Hz for 1 min 5 ms max. Malfunction: 10 to 55 Hz, 1.5 mm double amplitude Destruction: 1,000 m/s2 min. (Approx. 100 G min.) Malfunction: 100 m/s2 min. (Approx. 10G min.) B3F-1jjj, -3jjj: 100-gf OF: 1,000,000 operations min. 150-gf OF: 300,000 operations min. 260-gf OF: 100,000 operations min. B3F-4jjj: 130-gf OF: 3,000,000 operations min. 260-gf OF: 1,000,000 operations min. B3F-5jjj: 10,000,000 operations min. B3F-9jjj: 1,000,000 operations min. -25C to 70C (with no icing) 35% to 85% 6 x 6 mm models: approx. 0.25 g 12 x 12 mm models: approx. 0.85 g Ambient temperature Ambient humidity Weight Operating Characteristics Model 100 gf models B3F-1jj0, -3jj0 Operating force (OF) Reset force (RF min.) Pretravel (PT) 0.980.32 N (10030 gf) 0.2 N (20 gf) 0.25+0.2/-0.1 mm B3F-1jjj, -3jjj 150 gf models B3F-1jj2, -3jj2 1.470.49 N (15050 gf) 0.49 N (50 gf) 260 gf models B3F-1jj5, -3jj5 2.550.69 N (26070 gf) 0.49 N (50 gf) B3F-4jjj, -5jjj, -9jjj 130 gf models B3F-4jj0, -5jj0, -9jj0 1.270.49 N (13050 gf) 0.29 N (30 gf) 0.3+0.2/-0.1 mm 260 gf models B3F-4jj5 2.550.69 N (26070 gf) 0.49 N (50 gf) Engineering Data Operating Force vs. Stroke (Typical) B3F-1jjj, -3jjj B3F-4jjj, -5jjj, -9jjj OF: 260 gf Forward Current Derating Curve Operating force (gf) Operating force (gf) OF: 150 gf OF: 130 gf OF: 100 gf Stroke S (mm) Stroke S (mm) Note: Forward current (mA) Ambient temperature (C) To determine illuminated current of surface illumination types (B3F-9jjj), refer to the above forward current derating curve. Dimensions Note: 1. Unless otherwise stated, a tolerance of 0.4mm applies to all dimensions 2. No terminal numbers appear on the switches. To orient a switch in the "bottom view" position, turn it so that the terminals are on the up and down sides and the word OMRON is right-side up. (Bottom view) 6 x 6 mm Models Standard, Flat Plunger Type (without Ground Terminal) B3F-1000, -1002, -1005, -1020**, -1022**, -1025** 60.2 PCB Mounting (Top View) Standard, Flat Plunger Type (with Ground Terminal, Pitch: 6.5 mm) B3F-1100, -1102, -1105, PCB Mounting -1120**, -1122**, -1125** (Top View) 60.2 4.50.1 60.2 4.50.2 4.10.1 4.50.1 60.2 4.50.2 6.50.1 Four 10.05 dia 3.5 dia 1.5 3.5 dia 6.50.1 4.30.2** 3.5 6.50.5 7.70.5 3.4 0.3 Terminal Arrangement /Internal Connections (Top View) 4 0.7 0.7 2 1 3 4.30.2** 3.5 6.50.5 7.70.5 3.4 Terminal Arrangement /Internal Connections (Top View) 4 0.7 0.7 Five 10.05 dia 3 0.3 2 5 1 **Height of B3F-1020, -1022, -1025 is 50.2 mm. **Height of B3F-1120, -1122, -1125 is 50.2 mm. Standard, Projected Plunger Type (without Ground Terminal) B3F-1050, -1052, -1055 PCB Mounting (Top View) 60.2 4.50.1 60.2 4.50.2 6.50.1 Four 10.05 dia Standard, Projected Plunger Type (with Ground Terminal) B3F-1150, -1152, -1155 60.2 PCB Mounting (Top View) 4.50.2 4.50.1 4.10.1 1.5 60.2 j2.40.1 1.80.1 7.30.2 4.30.2 3.5 6.50.5 3.4 3.5 dia j2.40.1 3.5 dia 1.80.1 Terminal Arrangement /Internal Connections (Top View) 7.30.2 4.30.2 4 3 3.5 Five 10.0 Terminal Arrangement /Internal Connections5 dia 6.50.1 3.4 0.3 (Top View) 4 3 0.3 2 0.7 7.70.5 0.7 1 6.50.5 7.70.5 2 0.7 0.7 5 1 Extended Type B3F-1070 60.2 PCB Mounting (Top View) 4.50.2 60.2 4.50.1 3.5 dia 3 dia 6.50.1 four 1.0 dia 0.05 9.5 Max. 0.5 3.4 Internal Connections (Top View) 3.5 0.3 6.50.5 7.50.5 0.7 0.7 Vertical, Flat Plunger Type (Height: 3.15 mm) (Height: 3.85mm) B3F-3100, -3102, B3F-3120, -3122, -3105 -3125 7.3 Vertical, Projected Plunger Type (Height: 6.15 mm) B3F-3150, -3152, -3155 PCB Mounting 7.3 (Top View) Two 1.50.05 dia PCB Mounting (Top View) Two 1.50.05 dia 6.25 6.25 2.50.1 3.5 dia 4.50.1 70.1 Two 10.05 dia 7.4 4 3.5 0.7 4.50.5 70.5 8.7 0.3 0.3 2.25 1 7.4 2.50.1 4.50.1 70.1 3.5 dia j2.40.1 4 3.5 0.7 4.50.5 70.5 8.7 0.3 0.3 2.25 6.150.2 1 2.50.5 1.80.1 Two 10.05 dia Terminal Arrangement /Internal Connections (Top View) Terminal Arrangement /Internal Connections (Top View) 2.50.5 3.150.2/3.850.2 12 x 12 mm Models Standard, Long Life Expectancy, High Reliability, Flat Plunger Type (without Ground Terminal) B3F-4000, -4005, -5000, -5001 PCB Mounting (Top View) Two 1.80.05 dia Standard, Long Life Expectancy, High Reliability, Flat Plunger Type (with Ground Terminal) B3F-4100, -4105, -5100, -5101 PCB Mounting (Top View) Two 1.80.05 dia 120.2 50.1 90.1 50.1 90.1 120.2 50.2 6.90.1 120.2 120.2 50.2 7.1 dia 12.50.1 Four 1.20.05 dia 1.6 7.1 dia 4.30.2 3.5 3.5 Terminal Arrangement /Internal Connections (Top View) 4 3 Five 1.20.0 5 Terminal Arrangement dia /Internal Connections 12.50.1 4.30.2 3.5 0.9 3.5 (Top View) 4 3 0.3 12.50.5 13.80.5 1 1 90.1 0.3 2 1 12.50.5 13.80.5 1 1 90.1 2 5 1 Standard, Long Life Expectancy, High Reliability, Projected Plunger Type (without Ground Terminal) B3F-4050, -4055, -5050, -5051 PCB Mounting (Top View) Standard, Long Life Expectancy, High Reliability, Projected Plunger Type (with Ground Terminal) B3F-4150, -4155, -5150, -5151 PCB Mounting (Top View) Two 1.80.05 dia 120.2 50.1 90.1 50.1 90.1 120.2 50.2 6.90.1 Two 1.80.05 dia 120.2 120.2 50.2 j3.80.1 1.80.2 7.30.2 4.30.2 3.5 0.3 12.50.5 13.80.5 7.1 dia 3.5 Four 1.20.0 5 Terminal Arrangement dia /Internal Connections 12.50.1 1.6 7.1 dia j3.80.1 1.80.2 (Top View) 7.30.2 4 1 1 90.1 2 1 3 4.30.2 3.5 Five 1.20.0 5 Terminal Arrangement /Internal Connections dia 12.50.1 (Top View) 4 3.5 3 0.9 12.50.5 13.80.5 0.3 2 1 1 90.1 5 1 Surface Illumination Type B3F-9100, -9200, -9300 120.2 PCB Mounting (Top View) Two 1.80.05 dia 150.2 120.2 50.2 13.80.1 50.1 90.1 j10 8.4 dia. 7.1 dia. Six 1.20.05 dia 12.50.1 7.30.2 6.3 3.5 0.7 0.5 12.50.5 13.80.5 0.3 Terminal Arrangement /Internal Connections (Top View) 4 4.5 1 1 90.1 0.25 13.50.5 0.25 4 Precautions * * * * * Do not apply additional force to the plunger once it has stopped moving. Solder at 2605C within five seconds and within two tries. Do not wash the switches. The switches may be damaged by solvents if either wiped off using solvents or immersed in solvents. Do not allow flux or flux foam to penetrate onto the component side of the PCB. Use a single-sided PCB with a thickness of 1.6 mm. The switches may be damaged due to instability or heat from soldering if other PCBs (other thickness or through holes) are used. If it is necessary to use another PCB, test the compatibility and processing in advance. The switches are not sealed and should be protected with a resin sheet as shown below when used in dust-prone environments. Keytop * Resin sheets Switch |
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