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1260 데이터시트(Datasheet) 1 Page - Vishay Siliconix

부품명 1260
상세내용  Bulk Metal® Foil Technology Precision Trimming Potentiometers,3/8 Inch Square, RJ24 Style, Designed to Meet or Exceed the
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제조사  VISHAY [Vishay Siliconix]
홈페이지  http://www.vishay.com
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Document Number: 63054
For any questions, contact: foil@vishay.com
www.vishay.com
Revision: 29-Feb-08
1
1260
Vishay Foil Resistors
Bulk Metal® Foil Technology Precision Trimming Potentiometers,
3/8 Inch Square, RJ24 Style, Designed to Meet or Exceed the
Requirements of MIL-PRF-39035, Char. H
FEATURES
• Temperature coefficient of resistance (TCR):
± 10 ppm/°C (- 55 °C to + 150 °C ref. at + 25 °C);through
the wiper2); ± 25 ppm/°C (see table 2 for low values)
• Load life stability: 0.1 % typical ΔR, 1.0 % maximum ΔR
under full rated power at + 85 °C for 10 000 h
• Settability: 0.05 % typical; 0.1 % maximum
• Setting stability: 0.1 % typical; 0.5 % maximum
• Power rating: 0.25 W at + 85 °C
• Resistance range: 5 Ω to 10 kΩ
• Resistance tolerance: ± 5 %, ± 10 %
• “O” ring prevents ingress of fluids during any board
cleaning operation
• Terminal finishes available:
tin/lead
Note:
* See figure 1
TABLE 1 - MODEL SELECTION*
MODEL
TERMINATION STYLE
AVERAGE
WEIGHT (g)
POWER RATING
at + 85 °C AMBIENT
NO. OF TURNS
1260
W-edge mount, top adjust
0.4
0.25 W
21 ± 2
X-edge mount, side adjust
TABLE 2 - 1260 (RJ26) SERIES ELECTRICAL
SPECIFICATIONS
Temperature Coefficient of
Resistance (TCR) 50
Ω to 10 kΩ
End-to-end1)
± 10 ppm/°C maximum
(- 55 °C to + 150 °C,
+ 25 °C ref.)
Temperature Coefficient of
Resistance 5, 10 and 20
Ω
Through the wiper2)
± 20 ppm/°C
± 25 ppm/°C
Stability
Load life at 10 000 h
0.1 % typical
ΔR
1.0 % maximum
ΔR
(under Full Rated Power
of 0.25 W at + 85 °C)
Power Rating3)
0.25 W at + 85 °C
Settability
0.05 % typical;
0.1 % maximum
Setting Stability
0.1 % typical;
0.5 % maximum
Contact Resistance
Variation - CRV (noise)
3
Ω typical;
10
Ω maximum
Hop-off
0.25 % typical;
1.0 % maximum
High-Frequency Operation
Rise/decay time
Inductance
Capacitance
1 ns without ringing
0.08 µH typical
0.5 pF typical
Operating Temperature Range
- 55 °C to + 150 °C
TABLE 3 - VALUES VS. TOLERANCES
STANDARD RESISTANCE VALUES
(in
Ω)
STANDARD
TOLERANCE
5, 10
± 10 %
20, 50, 100, 200, 500, 1K, 2K, 5K, 10K
± 5 %
TABLE 4 - MECHANICAL SPECIFICATIONS
Adjustment Turns
21 ± 2
Mechanical Stops
Wiper idles - no discontinuity
Internal Terminations
All welded - no flux
Case Material
Diallyl-phthalate: black (DAP)
Shaft Torque
3 oz. in. maximum
Backlash
0.005 % typical




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