Page 1
Model 44
4mm Square Multiturn
Surface Mount
Cermet Trimming Potentiometer
FEATURES AND BENEFITS
• 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
ELECTRICAL
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
ENVIRONMENTAL
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
Specifications subject to change without notice.
Fluorinert® is a registered trademark of 3M Company.
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
September 5, 2013 Model 44 page 1 of 3
Pb
RoHS 2
compliant
Page 2
(1)
(2)
(3)
CW
Model 44
MECHANICAL
Mechanical Stops Clutch action, both ends
Torque, Starting 3 oz.-in. Max. (0.021 N-m)
Weight 0.01 oz. nominal (0.3 grams)
PACKAGING
Standard: Embossed Tape & Reel. All units oriented with #1 pin to the right of the direction of feed.
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)
Option: Anti-static tubes. All units oriented with #1 pin to same side. Tube capacity = 100 units.
ORDERING INFORMATION
Model Series
Pin Style
Resistance Prefix
Resistance Value
CIRCUIT DIAGRAM
44 G R 10K LF XX*
Packaging Option:
T7 = 7” Tape & Reel
T13 = 13” Tape & Reel
TB = Tubes
RoHS compliant product code
(required, not optional)
* Packaging option must be specified
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
September 5, 2013 Model 44 page 2 of 3
Page 3
Model 44
.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 A djustment
Screw .056/1. 42 Dia.
with .020/.51 w ide x
.015/.38 deep slot
.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
M
etal Ad justment
Screw .056/1. 42 Dia.
with .020/.51 w ide 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 A djustment
Screw .056/ 1.42 Dia.
with .020/ .51 w ide x
.015/.3 8 deep slot
.180
4.57
.154
3.91
.025
.63
.024
.61
TOP ADJUSTMENT
Model 44W
SOLDER PAD LAYOUT
SIDE ADJUSTMENT
Model 44J
Model 44W
Model 44J
Model 44G
STANDARD RESISTANCE VALUES
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
September 5, 2013 Model 44 page 3 of 3
10 100 1K 10K 50K 250K 2Meg
20 200 2K 20K 100K 500K
50 500 5K 25K 200K 1Meg
Model 44G
1. Dimensions in inch/mm
2. Tolerances ± 0.012 inch (0.30 mm) unless otherwise specified
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