A3211 and A3212 MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES Datasheet Addendum This addendum details the packing specifications for the EL package (2 mm × 2 mm footprint) to the information offered in the main datasheet for these devices. For parameters not listed in this addendum, refer to the main datasheet for these devices. In the event of a conflict between this addendum and the main datasheet, this addendum takes precedence. A3212ADD1 Allegro MicroSystems, LLC 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com A3211 and A3212 MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCH EL Package (2 mm × 2mm footprint), LT Packing Instruction (embossed tape and reel) P1 Unreel Direction P0 T ØD0 P2 T1 Cover Tape Round Sprocket Holes E1 Pin #1 Mark F W B0 K0 WC K1 ØD1 A0 Carrier Tape Reel Label Unreel Direction 1. Pocket may have interior pedestals within specifications, at supplier discretion 2. Pocket centerlines to cavity center, not to pocket inspection hole 3. A0 and B0 measured 0.3 mm above exterior bottom of pocket 4. Pocket dimensions defined with reference to ANSI/EIA 481 Pin #1 oriented in quadrant 1 (ref. ANSI/EIA 481) (trailing edge of device, as unreeled, side nearest round sprocket holes) Tape Dimensions Carrier Tape (mm) Package DesignationInstruction EL-LT: 7-in. reel, 3000 pieces/reel 75-80 leader pockets* 40-50 trailer pockets Tape Lengths Sprocket Holes W: 12.0 ±0.3 E1: 1.75 ±0.1 F: 5.5 ±0.05 T: 0.30 ±0.05 D0: 1.5 +0.1/–0.0 P0: 4.0 ±0.1 P1: 4.0 ±0.05 P2: 2.0 ±0.05 Cover Tape (mm) Pocket Cavity A0: 2.40 ±0.1 B0: 2.40 ±0.1 K0: 0.80 ±0.1 D1: 1.0 min. WC: 9.2 ±0.1 T1: 0.0022 ±0.022 Leader pockets are the first off the reel when the tape is unreeled for dispensing devices. Trailer pockets are the last pockets off the reel when unreeled for dispensing devices. ØA ØN ØD Reel Width, millimeters [inches] ØC W1 W2 Tape Width Reel Type W1 (inside, at Hub) W2 (outside, at Hub), Max. 12 [.472] 7 in. 12.4 +2.0/–0.0 [.488 +.079/–.000] 18.4 [.724] B Detail A See Detail A Access hole and hub configuration may vary at supplier discretion within limits shown Reel Common Dimensions, millimeters [inches] Reel Type A N B C D 7 in. 180.0 ±0.50 [7.00] 50.0 ±0.50 [1.969 ±.020] 1.5 Min. [.059] 13.0 +0.5/–0.2 [.512 +.020/–.008] 20.2 ± 0.500 [.795 ±.020] 2 A3212ADD1 Allegro MicroSystems, LLC 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com A3211 and A3212 MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCH Allegro MicroSystems, LLC reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current. Allegro products are not authorized for use as critical components in life-support devices or systems without express written approval. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its use; nor for any infringement of patents or other rights of third parties which may result from its use. Copyright © 2013 Allegro MicroSystems, LLC 3 A3212ADD1 Allegro MicroSystems, LLC 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com