MODEL 45
4mm Square
High Resolution - 15 Turn
Surface Mount
Cermet Trimming
Potentiometer
FEATURES AND BENEFITS
NEW PRODUCT
1
• High resolution
• Space saving SMD design 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, J-Hook or gull wing termination
ELECTRICAL
Standard Resistance Range, Ohms
Standard Resistance Tolerance
Input Voltage, Maximum
Slider Current, Maximum
Power Rating, Watts
End Resistance, Maximum
Actual Electrical Travel, Turns, Nominal
Dielectric Strength
Insulation Resistance, Minimum
Resolution
Contact Resistance Variation, Maximum
Fluorinert® is a registered trademark of 3M Company.
Specifications subject to change without notice.
Last update: 07/25/02.
10 to 2Meg
±10% (<100 Ohms = ±20%)
300 Vdc or rms not to exceed power rating
100mA or within rated power, whichever is less
0.25 at 85°C derating to 0 at 150°C
1% or 2 Ohms, whichever is greater
15
600Vrms
1,000 Megohms
Essentially infinite
1% or 3 Ohms, whichever is greater
1-25
Model 45
ENVIRONMENTAL
Seal
Temperature Coefficient, Maximum
Operating Temperature Range
Thermal Shock
Moisture Resistance
Shock, 6ms Sawtooth
Vibration
Rotational Life
Load Life at 0.25 Watts
Resistance to Solder Heat
Temperature Exposure, Maximum
Solderability
MECHANICAL
85°C Fluorinert® (No Leaks)
±100ppm/°C (<100 Ohms = ±250ppm/°C)
–65°C to +150°C
5 cycles, –65°C to +150°C (2%
∆RT,
1%
∆VR)
Ten 24 hour cycles (2%
∆RT,
IR 10 Megohms Min.)
100G’s (1%
∆RT,
1%
∆VR)
20G’s, 10 to 2,000 Hz (1%
∆RT,
1%
∆VR)
200 cycles (3%
∆RT,
1% CRV)
1,000 hours at 85°C (2%
∆RT,
1% CRV)
260°C for 10 sec. (1%
∆RT)
215°C for 3 min. (1%
∆RT)
Per MIL-STD-202, Method 208
Mechanical Stops
Torque, Starting Maximum
Weight, Nominal
TOP ADJUSTMENT (Inch/mm)
Model 45W
Solderable
.008±.003
3X
Terminals
.203±.076
.100
2.54
(1)
(2)
.190
4.83
Clutch action, both ends
3 oz.-in. (0.021 N-m)
.01 oz. (0.3 grams)
.025
3X
.63
(3)
.113
2.87
Metal Adjustment
Screw .056/1.42 Dia.
with .020/.51 wide x
.015/.38 deep slot
.061
1.56
.200
5.08
.209
5.31
.022
.55
.138
.154 3.51
3.91
.063
1.60
.039
3X
.99
STANDARD RESISTANCE VALUES, OHMS
10
20
50
100
200
500
1K
2K
5K
10K
20K
25K
50K
100K
200K
250K
500K
1Meg
2Meg
1-26
Model 45
SIDE ADJUSTMENT (Inch/mm)
Solderable
.008±.003
3X
Terminals
.203±.076
Model 45J
3X
.025
.63
1
(1)
.190
4.83
(2)
.100
2.54
.113
2.87
Metal Adjustment
Screw .056/1.42 Dia.
with .020/.51 wide x
.015/.38 deep slot
.061
1.56
(3)
.198
5.03
.180
4.57
.147
3.73
.032
.81
3X
Model 45G
3X
.025
.63
.100
2.54
(2)
.120
3.05
Metal Adjustment
Screw .056/1.42 Dia.
with .020/.51 wide x
.015/.38 deep slot
.061
1.56
.229
5.82
.180
4.57
.154
3.91
(1)
.190
4.83
(3)
.008±.003
3X
.203±.076
Solderable
Terminals
.024
.61
SOLDER PAD LAYOUT (Inch/mm)
Model 45W
.114
2.90
.051
2X
1.30
3X
Model 45J
.157
3.99
.079
2.01
3X
.051
1.30
Model 45G
.205
5.21
.079
2.01
3X
.060
1.52
.100
2.54
.079
2.01
.051
2X
1.30
.090
2.29
.079
2.01
.051
2X
1.30
.090
2.29
1-27
Model 45
EXTENDED SHAFT OPTION (Inch/mm)
Available for all Model 45 pin styles:
45G, 45J, 45W
.018±.007
0.46±.18
Style 45JE shown.
PACKAGING
Standard:
Embossed Tape & Reel
All units oriented with #1 pin to the right of the direction of feed.
13” Reel
Tape
Pin Style
Width
Sprocket
Capacity
Diameter
=
=
=
=
G&J
W
12 mm
16 mm
4 mm Pitch
4 mm Pitch
1,000 Units
1,000 Units
13” (330.2 mm)
7” Reel
G&J
W
12 mm
16 mm
4 mm Pitch
4 mm Pitch
500 Units
250 Units
7” (178 mm)
Reel
Option:
Anti-Static Tubes
All units oriented with #1 pin to same side.
Magazine
Capacity
=
100 Units
1-28
Model 45
ORDERING INFORMATION
1
45 G R 10K LF XX*
Model Series
Pin Style
Resistance Prefix
Packaging Option:
T7 = 7" Tape & Reel
T13 = 13" Tape & Reel
TB = Tubes
RoHS Compliant Product Code - Optional
Resistance Value
45 G E R 10K LF XX*
Model Series
Pin Style
E = Extended Shaft Option
* Packaging option must be specified.
1-29
Model 45
