1202L Vishay Intertechnology, 1202L Datasheet - Page 4

• Manufacturer Part Number: 1202L
• Description: 1-1/4 Inch Rectilinear
• Manufacturer: Vishay Intertechnology

VISHAY TRIMMERS ARE INSPECTED
100% For:
By Sample For:
Document Number: 63055
Revision 26-Nov-01
VISHAY FOIL • FRANCE +33.4.93.37.28.24 FAX: [phone]
• Short-time overload
• Immersion
• Resistance tolerance check
• End Resistance
• Visual-Mechanical
• Dynamic tests for Continuity, CRV
• TCR
• DWV
TABLE 5 - COMPARISON
TEST GROUP I
Visual and Mechanical
Total Resistance
Actual Effective Electrical Travel
End Resistance
Contact Resistance Variation – CRV (noise)
Dielectric Withstanding Voltage – DWV
(Atmospheric and Barometric Pressure)
Insulation Resistance
Shaft Torque
Thermal Shock
TEST GROUP II
Resistance Temperature Characteristic – TCR
Moisture Resistance
Contact Resistance Variation – CRV (noise)
TEST GROUP III
Shock (Specified Pulse)
Vibration (High-Frequency)
Contact Resistance Variation – CRV (noise)
Salt Spray
TEST GROUP IV
Solder Heat
Life (1,000 Hours @ + 85∞C)
Contact Resistance Variation – CRV (noise)
TEST GROUP V
Low-Temperature Operation
High-Temperature Exposure
Contact Resistance Variation – CRV (noise)
TEST GROUP VI
Rotational Life
Contact Resistance Variation – CRV (noise)
Terminal Strength
TEST GROUP VII
Solderability (excluding termination L)
Immersion (excluding termination L)
TEST GROUP VIII
Fungus
(6.25 x rated power for 5 seconds on;
and for 30 seconds off – 3 cycles)
• GERMANY +49.9287.710 FAX: [phone]
• ISRAEL +972.3.557.0945 FAX: [phone]
10
Precision Trimming Potentiometers
NOTES:
10. Load-Life test performed at nominal rated power, 0.5 watts, at + 85∞C
Bulk Metal
1. Preferred Termination style for current 1-1/4 inch rectilinear trimmers (staggered PC pins
2. 10 ohms @ ± 5% available on special order
3. Maximum is 1.0% A.Q.L. standard for all specifications except TCR. (For TCR information
4. Maximum TCR applies to the 3s (sigma) limit or 99.73% of a production lot. (Measured
5. Measurements of TCR through the wiper are influenced more by setting stability and the
6. Derated linearly from full power @ +85∞C to zero (0) watts @ +150∞C. See Figure 3 in this
7. Independent of resistance value. 3 ohms maximum available on special request.
8. All DR’s are measured to the tolerance specified + 0.01 ohms.
9. Whichever is greater.
MIL-PRF-22097/2 CHARACTERISTIC F
Per MIL-Std-202, Methods 301 and 105
present a sturdier mounting arrangement for shock, vibration, and impact situations)
see notes 4 and 5). “Typical” is a designers reference which represents that 85% of the lots
supplied, over a long period of time, will be at least the figure stated or better.
end-to-end with wiper off the element.)
percentage of the total resistance in use (at the wiper) than by fundamental resistance change
due to temperature alone. The parameter shown in Table 2 is a 2s distribution typifying the
behavior of the device when used with 40% or more of the total resistance in use.
data sheet.
Special Available Options:
• ITALY + 39.2.300.11919 FAX: [phone]
• JAPAN +81.42.729.0661 FAX: [phone]
• SINGAPORE +65.788.6668 FAX: [phone]
No continuous stream of bubbles
Special Marking
Special lengths for lead wires (L, LB Style)
Hooked leads
Alternate bushing and PC combinations
Burn-in and screening operations
Mil-Std-202 Method 208
Mil-Std-810 Method 508
No Mechanical Damage
± 0.01% (± 100ppm/∞C)
8oz. in. Maximum
≥ 1000 Megohms
®
17 to 27 Turns
± 3.0% or 3W
± 3.0% or 3W
± 3.0% or 3W
± 3.0% or 3W
± 3.0% or 3W
± 2% or 20W
No Corrosion
3.0% or 3W
No Failures
Foil Technology
± 1.0%
± 1.0%
± 1.0%
± 1.0%
± 1.0%
± 2.0%
± 1.0%
± 2.0%
± 2.0%
± 10%
2 bs.
9
9
9
9
9
9
9
8
Per MIL-Std-202, Methods 301 and 105
• SWEDEN +46.8.594.70590 FAX: [phone]
• UK [phone] FAX: [phone]
• USA [phone] FAX: [phone]
1202 MAXIMUM (WORST CASE)
No continuous stream of bubbles
3W Typical, 10 W Maximum
Vishay Foil Resistors
3W Typical, 10W Maximum
3W Typical, 10W Maximum
3W Typical, 10W Maximum
3W Typical, 10W Maximum
3W Typical, 10W Maximum
± 0.001% (± 10 ppm/∞C)
Mil-Std-202 Method 208
Mil-Std-810 Method 508
No Mechanical Damage
8oz. in. Maximum
> 1000 Megohms
No Corrosion
25 ± 2 Turns
No Failures
± 0.05%
± 1.0%
± 0.5%
± 0.5%
± 0.5%
± 0.5%
± 0.5%
± 0.5%
± 2.0%
± 10%
2lbs.
2W
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