Manufacturers
SYPRIS BHT-900
Description
SYPRIS BHT-900 Hall Sensor - Bulk Indium, 1.2 max. input/1.2 max. output, 500 linearity resistance, Wide Dynamic Range sensor
Part Number
BHT-900
Price
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Manufacturer
SYPRIS
Lead Time
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Category
PRODUCTS - B
Specifications
Input resistance, Rin
ohms 1.2 max.
Magnetic sensitivity, VH (1)(4)
mV/kG .55 to 1.1
Max linearity error (-150 to +150 kG) (1)
±% of RDG 1.5
Max linearity error (-30 to +30 kG) (1)
±% of RDG 1
Max. control current @ 25°C, static air
mA 300
Max. resistive residual voltage, VM @ B:0 (1)(4)
mV 75
Mean temperature coefficient of resistance (-20°C to +80°C) (1)
+% /°C 0.15 max.
Mean temperature coefficient of VH (-20°C to +80°C) (1)
PPM/°C ±50 max.
Nominal control current
mA 100
Operating Temperature Range
°C -40 to +100
Output resistance, R out(4)
ohms 1.2 max.
Temperature dependence of resistive residual voltage (-20° C to +80° C) (1)
±mV/°C 0.1 max.
Typical linearity resistance Rlin
ohms 500
Features
- Color Code
- Control Current (lc): Red (+lc) Black (- lc)
- Hall Voltage (VH): Blue (+VH) Yellow (- VH)
- Leads
- Material:Polyurethane Insulation (Models 900 & 910)
- Polarity: With the magnetic field vector (+B) entering the top of the Hall plate and lc entering the red lead, the positive Hall voltage will appear at the blue leads
Datasheet
Extracted Text
Bulk Indium BH-900 Series Hall Sensors 11 High Linearity Description F.W. Bell 900 Series Hall Sensors are high-performance units providing high linearity and broad field and temperatures ranges for a wide variety of magnetic field measurements. All units in the series are encapsulated in rugged, epoxy, sealed cases. A room temperature linearity error curve from -30 to +30 kG is supplied, indicating optimum operating conditions for each device. The models 900 and 921 are not calibrated above 30 kG. Mechanical Specifications a. Leads b. Material: AWG 34 Copper with Teflon Insulation (Model 921) or Polyurethane Insulation (Models 900 & 910). c. Color Code d. Control Current (l ): Red (+l ) Black (- l ) c c c Hall Voltage (V ): Blue (+V ) Yellow (- V ) H H H e. Polarity: With the magnetic field vector (+B) entering the top of the Hall plate and l entering the red lead, the positive c Hall voltage will appear at the blue leads. Axial Hall Sensors BHA-900, 910 & 921 Transverse Hall Sensors BHT-900, 910 & 921 0.106" 0.250" DIA. 0.200" DIA. +B 0.200" ACTIVE 10" MIN. MAX. AREA APPROX. PHENOLIC CASE 0.020" DIA. Note: cross indicates tail of magnetic field vector Models a. BH-910 High Linearity b. BH-921 Cryogenic Operation (1.5 to 350° k) c. BH 921 & 900 Wide Dynamic Range SPECIFICATIONS UNITS BHT-900 BHT-910 BHT-921 BHA-900 BHA-910 BHA-921 Input resistance, R (1) (4) ohms 1.2 max. 1.2 max. 1.2 max. 1.5 max. 1.5 max. 1.5 max. in Output resistance, R ohms out (4) 1.2 max. 1.2 max. ohms 1.2 max. 1.5 max 1.5 max. 1.5 max. Magnetic sensitivity, V H (1) (4) mV/kG .55 to 1.1 .55 to 1.1 .55 to 1.1 .55 to 1.1 .55 to 1.1 .55 to 1.1 Max. resistive residual 75 75 75 75 75 mV 75 voltage, V M @ B=0 (1) (4) Max. control current mA 300 300 300 300 300 300 @ 25°C , static air Nominal control current, I cn mA 100 100 100 100 100 100 Max linearity error ±% of RDG 1 .25 1 (-30 to +30 kG) (1) 1 .1 (2) 1 Max linearity error 1.5 – 2 ±% of RDG 1.5 – 2 (-150 to +150 kG) (1) Typical linearity resistance ohms 500 50 to 500 500 500 50 to 500 500 ohms Rlin Mean temperature coefficient of (3) PPM/∞C ±50 max. ±50 max. ±100 max. ±50 max. ±50 max. ±100 max.(3) V H (-20°C to +80°C) (1) Mean temperature coefficient of (3) (3) +% /°C 0.15 max. 0.15 max. 0.6 max. 0.15 max. 0.15 max. 0.6 max. resistance (-20°C to +8 0°C) (1) Temperature dependence of resistive ±mV/°C 0.1 max. 0.1 max. 0.1 max. (3) 0.1 max. 0.1 max. 0.1 max.(3) residual voltage (-20° C to +80° C) (1) Operating temperature range °C -40 to +100 -40 to +100 -269 to +100 -40 to +100 -40 to +100 -269 to +100 Notes: Due to continuous process improvement, specifications subject to change without notice. (1) I c=Icn (2) ±.1% linearity error (0-30 kG) ±.3% reversibility error (3) Specification applies over operating temperature range (-269 to +100°C) (4) T= 25°C 6120 Hanging Moss Road • Orlando, Florida 32807 Phone (407) 678-9748 • Fax (407) 677-5765 • www.fwbell.com Rev. date 04/2003
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