BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345 Website: www.bitechnologies.com
1/4” Square
Sealed Single Turn
Thru-Hole
Cermet Trimming Potentiometer
Model 25
Seal 85°C Fluorinert® (No Leaks)
Temperature Coefficient ±100 ppm/°C
Operating Temperature Range –55°C to +125°C
Thermal Shock Five cycles –55°C to +125°C (2% ∆RT, 2% ∆VR)
Moisture Resistance Ten 24 hour cycles (3% ∆RT)
Shock 6 ms sawtooth, 100 G’s (1% ∆RT, 1% ∆VR)
Vibration 30 G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR)
High Temperature Exposure 250 hours at 125°C (2% ∆RT, 2% ∆VR)
Rotational Life 200 cycles (2 Ohms or 3% ∆RT, whichever is greater)
Load Life 1,000 hours at 70°C & 0.5 Watts (3% ∆RT, 3% ∆VR)
Resistance to Solder Heat 350°C for 3 seconds or 260°C for 10 seconds (1% ∆RT)
ENVIRONMENTAL
Standard Resistance Range 10 Ohms to 2 Megohms
Standard Resistance Tolerance ±10%
Input Voltage 300 Vdc Max. or rms not to exceed power rating
Power Rating 0.5 Watts at 70°C derating to 0 at 125°C
End Resistance 1% or 2 Ohms Max., whichever is greater
Actual Electrical Travel 210° nominal
Dielectric Strength 900 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.
Mechanical Stops Solid
Stop Strength 7 oz.-in. Min. (500 g-cm)
Torque 3 oz.-in. Max. (200 g-cm)
Weight 0.02 oz. nominal (0.6 grams)
MECHANICAL
January 27, 2014 Model 25 page 1 of 4
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 for U or V
pin styles only:
AP = Ammo Pack
TR = Tape & Reel
Resistance Value
25 P R 10K LF TR
Optional RoHS compliant
product code
CIRCUIT DIAGRAM
(1)
(2)
(3)
CW
Model 25
January 27, 2014 Model 25 page 2 of 4
Pin Style V U
Tape Width = 18 mm 18 mm
Single hole sprocket = 0.50” pitch 0.50” pitch
Capacity = 1,000 units 750 units
Reel Diameter = 14” (363 mm) 14” (363 mm)
Option (TR code, only for U or V pin style): Tape & Reel. All units oriented with #3 pin toward direction of feed.
Standard (no code): Tubes. 50 units each. All units oriented wth #1 pin to same side.
STANDARD RESISTANCE VALUES
10 100 1K 10K 100K 1Meg
20 200 2K 20K 200K 2Meg
50 500 5K 50K 500K
Option (AP code, only for U or V pin style): Ammo pack. Tape fold 12”. Box 2.0” x 13.4” x 13.8” (50 mm x 340 mm x 350 mm)
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
TT Electronics:
25UR5KLF 25PR20KLF 25PR250KLF 25PR200LF 25PR1MLF 25PR50KLF 25PR25KLF 25PR1KLF
25PR200KLF 25PR100LF 25PR10LF 25PR500LF 25PR10KLF 25PR500KLF 25PR5KLF 25PR100KLF 25PR50LF
25PR2KLF 25PR2MLF 25PR20LF 25SR10KLF 25VR5KLF 25WR200LF 25SR500KLF 25SR200KLF
25UR10LFTR 25SR50LF 25UR500LF 25UR2MEGLFTR 25WR500KLF 25SR50KLF 25WR200KLF 25WR50LF
25SR500LF 25WR10KLF 25SR2MEGLF 25RXR500KLF 25RXR20KLF 25WR100KLF 25UR1MEGLFTR
25RXR100LF 25UR5KLFTR 25WR10LF 25UR50KLFTR 25XR500KLF 25XR2MEGLF 25UR20LFTR 25SR2KLF
25UR50LFTR 25WR100LF 25XR200KLF 25WR1MEGLF 25XR1MEGLF 25UR200LFTR 25SR20LF 25SR200LF
25UR200KLFTR 25WR2MEGLF 25WR50KLF 25WR20KLF 25RXR200LF 25RXR2KLF 25RXR1KLF 25XR2KLF
25WR2KLF 25SR1MEGLF 25UR100LFTR 25WR500LF 25RXR10LF 25SR10LF 25RXR50LF 25WR25KLF
25XR50KLF 25SR100KLF 25UR10KLFTR 25XR20KLF 25UR500LFTR 25WR20LF 25RXR200KLF 25XR200LF
25RXR10KLF 25WR5KLF 25XR10LF 25XR50LF 25XR20LF 25UR1KLFTR 25RXR2MEGLF 25RXR20LF
25XR100KLF 25XR1KLF 25XR100LF 25RXR1MEGLF 25RXR500LF 25SR1KLF 25VR1MEGLFTR 25VR50LFTR
25XR500LF 25UR20KLFTR 25VR10KLF 25WR1KLF
