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Magnetic Position Sensors Low-Cost, Bipolar, Hall-effect Sensors
FEATURES * Small size * Low cost * Reverse polarity protection * Sensitive - bipolar magnetics respond to alternating north and south poles * Thermally balanced, integrated circuit over a full temperature range * Stable operation TYPICAL APPLICATIONS * Cooling fan control in computers and appliances * RPM (revolutions per minute) sensing, speed control * Brushless dc motor commutation * Position sensing and motor control * Simple magnetic encoder * Flow-rate sensor
SS40A/SS50AT Series
The SS40A/SS50AT Series sensors are low-cost, bipolar, Hall-effect sensors. These sensitive magnetic sensors offer reverse polarity protection and deliver stable output over a -40 C to 125 C [-40 F to 257 F] temperature range. Operation from any dc supply voltage from 4.5 Vdc to 24.0 Vdc is acceptable. The SS40A/SS50AT Series sensors build upon Honeywell's popular magnetic position sensors and offer several competitive advantages. These sensors have been designed with the latest technologies to provide reliable, cost-effective solutions to commercial, computer, medical, and/or consumer applications requiring motor control and RPM sensing. These products are available in a variety of package styles to suit a number of applications. Ammopack versions, along with tape-and-reel, are standard. The surface mount version is mounted directly on the electrical traces on a PC (printed circuit) board. It is attached by an automatic solder reflow operation which requires no hole, so it reduces the cost of the PC board.
WARNING
PERSONAL INJURY DO NOT USE these products as safety or emergency stop devices or in any other application where failure of the product could result in personal injury. Failure to comply with these instructions could result in death or serious injury.
WARNING
MISUSE OF DOCUMENTATION * The information presented in this product sheet is for reference only. Do not use this document as a product installation guide. * Complete installation, operation, and maintenance information is provided in the instructions supplied with each product. Failure to comply with these instructions could result in death or serious injury.
Sensing and Control
Magnetic Position Sensors Low-Cost, Bipolar, Hall-effect Sensors
ABSOLUTE MAXIMUM RATINGS* Parameter Min.
Supply voltage Applied output voltage Output current -28 -0.5 -
SS40A/SS50AT Series
Max.
28 28 20
Typ.
- - -
Unit
V V mA
Magnetic flux - - No limit Gauss *Absolute maximum ratings are the extreme limits the device will withstand without damage to the device. However, the electrical and mechanical characteristics are not guaranteed as the maximum limits (above recommended operating conditions) are approached, nor will the device necessarily operate at absolute maximum ratings.
ELECTRICAL CHARACTERISTICS
At Vs = 4.5 V to 24 V with 20 mA load with Ta = -40 C to 125 C [-40 F to 257 F] unless otherwise noted.
Parameter
Supply voltage Supply current Supply current Output current Vsat @ 15 mA Output leakage Rise time Fall time Response time Operate Operate Operate Release Release Release Differential Operating temperature Storage temperature
Cond.
- 25 C [77 F] - - Gauss >170 Gauss <-170 25 C [77 F] 25 C [77 F] 25 C [77 F] 25 C [77 F] 0 C to 85 C [32 F to 185 F] - 25 C [77 F] -40 C to 85 C [-40 F to 185 F] - - -40 C to 125 C [-40 F to 257 F] -55 C to 165 C [-67 F to 329 F]
Min.
4.5 - - - - - - - - - - - -110 -130 -170 50
Typ.
- 6.8 - - - - 0.5 0.2 4.0 45 50 55 -45 -50 -55 -
Max.
24.0 10.0 11.3 20.0 0.4 10.0 1.5 1.5 5.0 110 130 170 - - - -
Unit
V mA mA mA V A s s s Gauss Gauss Gauss Gauss Gauss Gauss Gauss
SS40A SERIES MOUNTING DIMENSIONS (for reference only) mm/[in]
2,5 [0.10] 4,1 [0.16] 1,6 [0.06]
HALL ELEMENT CENTER
XXX
1,7 [0.07]
4,1 [0.12]
NS
14,99 [0.59]
-
+
0
2X 1,3 [0.05]
3X 0,64 [0.025] 3X 0,38 [0.015]
0,76 [0.03]
3X 0,3 [0.015]
2 Honeywell * Sensing and Control
Magnetic Position Sensors Low-Cost, Bipolar, Hall-effect Sensors
TAPE DIMENSIONS FOR STYLE T2 (for reference only) mm/[in]
ADHESIVE TAPE
SS40A/SS50AT Series
TAPE DIMENSIONS FOR STYLE T3 (for reference only) mm/[in]
ADHESIVE TAPE
22,3 [0.88]
6,0 [0.23]
22,3 [0.88]
9,0 [0.35] 18,0 [0.71]
6,0 [0.23]
9,0 [0.35]
18,0 [0.71]
6,3 [0.25] 12,7 [0.50]
O 3,99 [0.16]
2,5 [0.10]
6,3 [0.25] 12,7 [0.50]
O 3,99 [0.16]
1,3 [0.05]
SS50AT SERIES MOUNTING DIMENSIONS (for reference only) mm/[in]
0,1 [0.01] 0,96 TYP TO HALL EFFECT [0.38] SENSING SURFACE R 0,25 MAX [0.01] 4,2 [0.16] 1,7 [0.07] 0,13 MAX FLASH [0.005] CATALOG LISTING DATE CODE
2,5 [0.10]
2,4 [0.09]
0,05 [0.002]
10 TYP 1,3 [0.05]
+
2X 1,5 [0.06] 4,4 [0.17]
0
0,13 MAX GATE VESTAGE [0.005] 3X 0,4 [0.02]
N S 4,5 [0.18]
TAPE DIMENSIONS (for reference only) mm/[in] This product is sold in tape and reel form only, per EIA STD 481. There are 1,000 parts per reel.
8,0 [0.31] 4,0 [0.16] 2,0 [0.08] O 1,5 [0.06] 5,5 [0.22] 12,0 [0.47]
REEL DIMENSIONS (for reference only) mm/[in]
3X 1,5 [0.06] O 33,0 [1.30] 18,4 [0.72] 12,2 [0.48]
O 13,0 [0.51]
50,0 [1.97]
8,0 [0.315]
4,6 [0.18]
5,0 [0.20]
O 178,0 [7.01]
2,4 MAX [0.9]
0,4 MAX [0.02] TOP COVER TAPE 0,7 [0.004]
5,8 [0.230]
2,0 [0.08]
Honeywell * Sensing and Control 3
Magnetic Position Sensors Low-Cost, Bipolar, Hall-effect Sensors
ORDER GUIDE
Part Number SS40A SS40A-F SS40A-T2 SS40A-T3 SS50AT Description
SS40A/SS50AT Series
Bipolar, Hall-effect sensor, radial lead IC package Bipolar, Hall-effect sensor, radial lead IC package with formed leads on 2,54 mm [0.100 in] centers Bipolar, Hall-effect sensor, radial lead IC package tape-in-box (ammopack) version with formed leads Bipolar, Hall-effect sensor, radial lead IC package tape-in-box (ammopack) version with straight leads Bipolar, Hall-effect sensor, surface-mount package, on tape and reel
WARRANTY/REMEDY Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship. Contact your local sales office for warranty information. If warranted goods are returned to Honeywell during the period of coverage, Honeywell will repair or replace without charge those items it finds defective. The foregoing is Buyer's sole remedy and is in lieu of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. Specifications may change without notice. The information we supply is believed to be accurate and reliable as of this printing. However, we assume no responsibility for its use.
While we provide application assistance personally, through our literature and the Honeywell web site, it is up to the customer to determine the suitability of the product in the application. For application assistance, current specifications, or name of the nearest Authorized Distributor, contact a nearby sales office. Or call: 1-800-537-6945 USA/Canada 1-815-235-6847 International FAX 1-815-235-6545 USA INTERNET www.honeywell.com/sensing info.sc@honeywell.com
Sensing and Control www.honeywell.com/sensing Honeywell 11 West Spring Street Freeport, Illinois 61032
005855-1-EN IL50 GLO 804 Printed in USA Copyright 2004 Honeywell International Inc. All Rights Reserved.

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