BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
4mm Square Multiturn
Surface Mount
Cermet Trimming Potentiometer
Model 44
Seal 85°C Fluorinert® (No Leaks)
Temperature Coefficient ±100 ppm/°C (<100 Ohms = ±250 ppm/°C)
Operating Temperature Range –65°C to +150°C
Thermal Shock Five cycles –65°C to +150°C (2% ∆RT, 1% ∆VR)
Moisture Resistance Ten 24 hour cycles (2% ∆RT, IR 10 Megohms Min.)
Shock 6 ms sawtooth, 100 G’s (1% ∆RT, 1% ∆VR)
Vibration 20 G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR)
Rotational Life 200 cycles (3% ∆RT, 1% CRV)
Load Life 1,000 hours at 85°C & 0.25 Watts (2% ∆RT, 1% CRV)
Resistance to Solder Heat 260°C for 10 sec. (1% ∆RT)
Temperature Exposure 215°C for 3 min. Max. (1% ∆RT)
Solderability Per MIL-STD-202, Method 208
ENVIRONMENTAL
Standard Resistance Range 10 Ohms to 2 Megohms
Standard Resistance Tolerance ±10% (<100 Ohms = ±20%)
Input Voltage 300 Vdc Max. or rms not to exceed power rating
Slider Current 100 mA Max. or within rated power, whichever is less
Power Rating 0.25 Watts at 85°C derating to 0 at 150°C
End Resistance 1% or 2 Ohms Max., whichever is greater
Actual Electrical Travel 9 turns nominal
Dielectric Strength 600 Vrms
Insulation Resistance 1,000 Megohms Min.
Resolution Essentially infinite
Contact Resistance Variation 1% or 3 Ohms Max., whichever is greater
ELECTRICAL
Specifications subject to change without notice.
Fluorinert® is a registered trademark of 3M Company.
May 19, 2010 Model 44 page 1 of 3
• Space saving SMD package for the most compact board designs
• Sealed to withstand aggressive water wash
• Long life - set and forget construction
• BI quality and reliability
• Available in top and side adjustment versions and J-Hook or gull wing termination
FEATURES AND BENEFITS
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
PACKAGING
ORDERING INFORMATION
Model Series
Pin Style
Resistance Prefix
Packaging Option:
T7 = 7” Tape & Reel
T13 = 13” Tape & Reel
TB = Tubes
Resistance Value
44 G R 10K LF XX*
RoHS compliant product code
(required, not optional)
13” Reel 7” Reel
Pin Style G & J W G & J W
Tape Width = 12 mm 16 mm 12 mm 16 mm
Sprocket = 4 mm pitch 4 mm pitch 4 mm pitch 4 mm pitch
Capacity = 1,000 units 1,000 units 500 units 250 units
Reel Diameter = 13” (330.2 mm) 7” (178 mm)
Standard: Embossed Tape & Reel. All units oriented with #1 pin to the right of the direction of feed.
Option: Anti-static tubes. All units oriented with #1 pin to same side. Tube capacity = 100 units.
* Packaging option must be specified
CIRCUIT DIAGRAM
(1)
(2)
(3)
CW
Model 44
May 19, 2010 Model 44 page 2 of 3
Mechanical Stops Clutch action, both ends
Torque, Starting 3 oz.-in. Max. (0.021 N-m)
Weight 0.01 oz. nominal (0.3 grams)
MECHANICAL
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
May 19, 2010 Model 44 page 3 of 3
Model 44
TOP ADJUSTMENT SIDE ADJUSTMENT
.025
.63
3X
.200
5.08
.190
4.83
.209
5.31.022
.55
.039
.99
3X
.063
1.60
.138
3.51
.154
3.91
.008±.003
.203±.076
3X
Solderable
Terminals
(1)
(3)
(2)
.061
1.56
.113
2.87
.100
2.54
Metal Adjustment
Screw .056/1.42 Dia.
with .020/.51 wide x
.015/.38 deep slot
SOLDER PAD LAYOUT
.079
2.01
.060
1.52
3X
.114
2.90
.051
1.30
.100
2.54
2X
.079
2.01
.079
2.01
.157
3.99
.090
2.29
3X
.051
1.30
2X
.051
1.30
.079
2.01
.205
5.21
.090
2.29
3X
.051
1.30
2X
.025
.63
3X
.190
4.83
.198
5.03
.032
.81
3X
.008±.003
.203±.076
3X
Solderable
Terminals (1)
(3)
(2)
.061
1.56
.113
2.87
.100
2.54
Metal Adjustment
Screw .056/1.42 Dia.
with .020/.51 wide x
.015/.38 deep slot
.180
4.57
.147
3.73
3X
.190
4.83
.229
5.82
.008±.003
.203±.076
3X
Solderable
Terminals
(1)
(3)
(2)
.061
1.56
.120
3.05
.100
2.54
Metal Adjustment
Screw .056/1.42 Dia.
with .020/.51 wide x
.015/.38 deep slot
.180
4.57
.154
3.91
.025
.63
.024
.61
STANDARD RESISTANCE VALUES
10 100 1K 10K 50K 250K 2Meg
20 200 2K 20K 100K 500K
50 500 5K 25K 200K 1Meg
Model 44W
Model 44W
Model 44J
Model 44J
Model 44G
Model 44G
1. Dimensions in inch/mm
2. Tolerances ± 0.012 inch (0.30 mm) unless otherwise specified