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
FEATURES
• Temperature coefficient of resistance (TCR):
10 ppm/°C maximum3)
Pb-free
(- 55 °C to + 150 °C ref. at + 25 °C);
Available
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
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
TABLE 1 - MODEL SELECTION†
•
•
Electrostatic discharge: above 25 000 V
Terminal finishes available: gold plated
POWER
RATING
at + 85 °C TURNS
AMBIENT
AVERAGE
WEIGHT
(g)
TERMINATION
STYLE
NO. OF
MODEL
TABLE 2 - VALUES VS. TOLERANCES
STANDARD RESISTANCE
STANDARD TOLERANCES
VALUES (in Ω)
P-In line PC pins
Y-staggered PC pins1)
L-flexible wire leads
2.5
2.5
3.3
2, 5, 10
10 %2), 20 %
1202
0.5 W
25
2
LB-flexible wire leads
with bushings
20, 50, 100, 200, 250, 500,
1K, 2K, 5K, 10K, 20K
5.1
5 %, 10 %
Note
1. See Figures 1 and 2.
TABLE 3 - 1202 (RJ12) SERIES ELECTRICAL SPECIFICATIONS
Temperature Coefficient of Resistance (TCR)
10 ppm/°C maximum (- 55 °C to + 25 °C)
10 ppm/°C maximum (+ 25 °C to + 150 °C)
end-to-end3)
2 Ω, 5 Ω, 10 Ω, 20 Ω
20 ppm/°C
25 ppm/°C
through the wiper4)
Stability
load life at 2000 h†
load life at 10 000 h†
0.1 % typical ΔR; 0.5 % maximum ΔR
0.1 % typical ΔR; 1.0 % maximum ΔR
Power Rating5)
0.5 W at + 85 °C
Settability
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
Setting Stability
Contact Resistance variation - CRV (noise)
Hop-off
High-Frequency Operation
Rise time
to 100 MHz
10 ns at 1 kΩ
0.08 µH typical
0.5 pF typical
Inductance
Capacitance
Operating Temperature Range
- 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
Case Material
Shaft Torque
Backlash
Glass fortified diallyl-phthalate (DAP); black
Mechanical Stops
Wiper idles - no discontinuity
8 oz. in. maximum; 3 oz. in. typical
0.05 % typical
Internal Terminations All welded - no flux
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63055
Revision: 13-Nov-07
For any questions, contact: foil@vishay.com
www.vishay.com
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