1202 Datasheet, PDF (1/6 Pages) Vishay Siliconix – Bulk Metal® Foil Technology Precision Trimming Potentiometers, 1 1/4 Inch Rectilinear, RJ12 Style,

1202
Vishay Foil Resistors
Bulk Metal^® Foil Technology
Precision Trimming Potentiometers, 1 1/4 Inch Rectilinear, RJ12 Style,
Designed to Meet or Exceed The Requirements of MIL-PRF-22097, Char. F
TABLE 1 - MODEL SELECTION^†
MODEL
TERMINATION
STYLE
AVERAGE
WEIGHT
(g)
POWER
RATING
at + 85 °C
AMBIENT
P-In line PC pins
2.5
Y-staggered PC pins¹⁾ 2.5
1202
L-flexible wire leads
3.3
0.5 W
LB-flexible wire leads
with bushings
5.1
Note
1. See Figures 1 and 2.
NO. OF
TURNS
25 ± 2
FEATURES
• Temperature coefficient of resistance (TCR):
± 10 ppm/°C maximum³⁾
(- 55 °C to + 150 °C ref. at + 25 °C);
through the wiper⁴⁾; ± 25 ppm/°C
• Load life stability: 0.1 % typical ΔR, 0.5 %
maximum ΔR under full rated power at
+ 85 °C for 2000 h
Pb-free
Available
RoHS*
COMPLIANT
• Settability: 0.05 % typical; 0.1 % maximum
• Setting stability: 0.1 % typical; 0.5 % maximum, ΔSS
• Power rating: 0.5 W at + 85 °C
• Resistance range: 2 Ω to 20 kΩ
• “O“-ring prevents ingress of fluids during any board
cleaning operation
• Electrostatic discharge: above 25 000 V
• Terminal finishes available: gold plated
TABLE 2 - VALUES VS. TOLERANCES
STANDARD RESISTANCE
VALUES (in Ω)
STANDARD TOLERANCES
2, 5, 10
± 10 %²⁾, ± 20 %
20, 50, 100, 200, 250, 500,
1K, 2K, 5K, 10K, 20K
5 %, 10 %
TABLE 3 - 1202 (RJ12) SERIES ELECTRICAL SPECIFICATIONS
Temperature Coefficient of Resistance (TCR)
end-to-end³⁾
2 Ω, 5 Ω, 10 Ω, 20 Ω
through the wiper⁴⁾
Stability
load life at 2000 h^†
load life at 10 000 h^†
Power Rating⁵⁾
Settability
Setting Stability
Contact Resistance variation - CRV (noise)
Hop-off
High-Frequency Operation
Rise time
Inductance
Capacitance
Operating Temperature Range
± 10 ppm/°C maximum (- 55 °C to + 25 °C)
± 10 ppm/°C maximum (+ 25 °C to + 150 °C)
± 20 ppm/°C
± 25 ppm/°C
0.1 % typical ΔR; 0.5 % maximum ΔR
0.1 % typical ΔR; 1.0 % maximum ΔR
0.5 W at + 85 °C
0.05 % typical; 0.1 % maximum
0.1 % typical; 0.5 % maximum ΔSS
3 Ω typical; 10 Ω maximum
0.25 % typical; 1.0 % maximum
to 100 MHz
10 ns at 1 kΩ
0.08 µH typical
0.5 pF typical
- 55 °C to + 150 °C
Notes
† _{Under full rated power of 0.5 W at + 85 °C.}
• Refer to page 4 for footnotes.
TABLE 4 - MECHANICAL SPECIFICATIONS
Adjustment Turns 25 ± 2
Mechanical Stops
Wiper idles - no discontinuity
Internal Terminations All welded - no flux
Case Material
Shaft Torque
Backlash
* Pb containing terminations are not RoHS compliant, exemptions may apply
Glass fortified diallyl-phthalate (DAP); black
8 oz. in. maximum; 3 oz. in. typical
0.05 % typical
Document Number: 63055
Revision: 13-Nov-07
For any questions, contact: [e-mail]
www.vishay.com
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