Long-stroke Tactile Switch (SMT) B3AL Long-stroke Tactile Switches with High Operating Forces and Long Life. High operating force also providing long life. (Reference values: OF = 5 N 510 gf , Durability = 500,000 operations) Long stroke achieved by using a rubber plunger. RoHS Compliant Model Number Legend B3AL-100 - 12 3 1. Operating Force (OF) 2. Packaging Symbol Meaning Symbol Meaning 0 1.96 N 200 gf P Embossed tape 1 2.45 N 250 gf 3. Special Specification 2 3.00 N 306 gf Symbol Meaning 3 3.50 N 357 gf MS Switch with middle stroke 4 5.00 N 510 gf 5 4.50 N 459 gf 6 4.00 N 408 gf List of Models / Operating Characteristics Color of pushbutton Red Green Black White (Milky-white) Brown Operating force (OF) 1.960.59 N 2.450.69 N 3.000.90 N 3.501.05 N 4.001.20 N 20060 gf 25070 gf 30692 gf 357107 gf 408122 gf Releasing force (RF) 0.24 N 24 gf min. 0.49 N 50 gf min. 0.60 N 61 gf min. 0.70 N 71 gf min. 0.70 N 71 gf min. +0.2 Pretravel (PT) 1.3 mm 0.3 Packaging Embossed Model B3AL-1000P B3AL-1001P B3AL-1002P B3AL-1003P B3AL-1006P tape Minimum 1,400 pcs packing unit Color of pushbutton Pink Blue Gray Yellow Operating force (OF) 4.501.35 N 5.001.50 N 3.000.90 N 3.501.05 N 459138 gf 510153 gf 30692 gf 357107 gf Releasing force (RF) 0.70 N 71 gf min. 1.00 N 102 gf min. 0.60 N 61 gf min. 0.70 N 71 gf min. +0.2 Pretravel (PT) 1.3 mm 1.00.25mm 0.3 Packaging Embossed Model B3AL-1005P B3AL-1004P B3AL-1002P-MS B3AL-1003P-MS tape Minimum 1,400 pcs packing unit 1B3AL B3AL Ratings / Characteristics Rating (resistive load) 1 to 50 mA at 5 to 16 VDC Ambient operating temperature -40C to +90C at 60%RH max. (with no icing or condensation) Ambient operating humidity 35% to 85% (at +5 to +35 C) Contact configuration SPST-NO Contact resistance 100 m max. Insulation resistance 100 M min. (at 500 VDC with insulation tester) Dielectric strength 250 VAC, 50/60 Hz for 1 min Bounce time 5 ms max. (The center of the plunger is pressed at a speed of 3 or 4 times per second.) Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude 2 Shock resistance Destruction: 1,000 m/s max. 2 Malfunction: 100 m/s max. Durability B3AL-1000P : 1,000,000 operations min. B3AL-1001P : 1,000,000 operations min. B3AL-1002P : 1,000,000 operations min. B3AL-1003P : 1,000,000 operations min. B3AL-1004P : 500,000 operations min. B3AL-1005P : 1,000,000 operations min. B3AL-1006P : 1,000,000 operations min. B3AL-1002P-MS : 1,000,000 operations min. B3AL-1003P-MS : 1,000,000 operations min. Weight Approx. 0.18 g Model Structure Pushbutton Plunger Moving contact Terminal (contact) Base Dimensions (Unit: mm) 6 4.9 dia. PCB Pad 6.9 5.8 (Top View) 8 4 2 Terminal Arrangement/ 5 Internal Connections (Top View) 0.8 1.4 6.6 Note: Unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. No terminal numbers are indicated on the Switches. 2