TT MODEL44 Cermet trimming potentiometer Datasheet

Cermet Trimming Potentiometer
Features:
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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
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Applications:
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Consumer electronics
Any application requiring adjustability or calibration
Medical
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 minimum
Resolution
Essentially infinite
Contact resistance variation
1% or 3 Ohm max., whichever is greater
Environmental
Seal
Temperature coefficient
85°C Fluorinert® (No Leaks)
±100 ppm/°C (<100 Ohms = ±250 ppm/°C)
Operating temperature range
Thermal shock
Moisture resistance
Shock
Vibration
Rotational life
Load life
Resistance to solder heat
Temperature exposure
Solderability
General Note
TT Electronics reserves the right to make changes in product specification without
notice or liability. All information is subject to TT Electronics’ own data and is
considered accurate at time of going to print.
© TT electronics plc
-65°C to +150°C
Five cycles –65°C to +150°C (2% ∆RT, 1% ∆VR)
Ten 24 hour cycles (2% ∆RT, IR 10 Megohms min.)
6 ms saw-tooth, 100 G’s (1% ∆RT, 1% ∆VR)
20 G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR)
200 cycles (3% ∆RT, 1% CRV)
1,000 hours at 85°C & 0.25 Watts (2% ∆RT, 1% CRV)
260°C for 10 sec. (1% ∆RT)
215°C for 3 min. maximum (1% ∆RT)
Per MIL-STD-202, method 208
BI Technologies
4200 Bonita Place, Fullerton, CA 92835 |Ph: +1 714 447 2300
www.bitechnologies.com | www.ttelectronics.com
Issue B
09/2013
Page 1
Cermet Trimming Potentiometer
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
Tape
Reel
7” Reel
Pin Style
G&J
W
G&J
W
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
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
Circuit Diagram
General Note
TT Electronics reserves the right to make changes in product specification without
notice or liability. All information is subject to TT Electronics’ own data and is
considered accurate at time of going to print.
© TT electronics plc
BI Technologies
4200 Bonita Place, Fullerton, CA 92835 |Ph: +1 714 447 2300
www.bitechnologies.com | www.ttelectronics.com
Issue B
09/2013
Page 2
Cermet Trimming Potentiometer
Top Adjustment
Side Adjustment
Solder Pad Layout
Standard Resistance Values
10
100
1K
10K
50K
250K
20
200
2K
20K
100K
500K
50
500
5K
25K
200K
1Meg
General Note
TT Electronics reserves the right to make changes in product specification without
notice or liability. All information is subject to TT Electronics’ own data and is
considered accurate at time of going to print.
© TT electronics plc
2Meg
BI Technologies
4200 Bonita Place, Fullerton, CA 92835 |Ph: +1 714 447 2300
www.bitechnologies.com | www.ttelectronics.com
Issue B
09/2013
Page 3
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