* Pictures are placed for illustration purpose only. Appearance of real component may differ
Miniature adjustable wire resistors for DC and AC (up to 1000 Hz) circuits) with power dissipation 1 W.
SP5-11, SP5-14 are produced with hard terminals and are suitable for PCB mounting.
SP5-15 with flexible terminals for wire mounting
Operational conditions
| Ambient air temperature, oС | -60..+125 |
| Relative humidity at +40 oC | 98% |
| Air pressure, mmHg | 5..780 |
| Vibratory loads frequency, Hz acceleration, g |
5..2500 15 |
| Multiple mechanical impacts acceleration, g | 75 |
| Single mechanical impact acceleration, g | 150 |
| Linear acceleration, g | 50 |
Main technical parameters
| Rated resistance range (in accordance with GOST 10318-62) | 10 Ohm..47 kOhm |
| Allowed resistance variation | ±10% |
| Resistance curve | linear |
| Allowed variation from the resistance curve, for rated resistances 10 Ohm..1 kOhm more than 1 kOhm |
not more than ±5% not more than ±3% |
| Minimum resistance | not more than 2% of rated resistance |
| Operational voltage | not more than 220 V AC 1000 Hz |
Note: SP5-11 resistors can have rated resistances 50; 200; 350; 500; 750 Ohm and 2.5; 5.0; 20 KOhm upon special agreement with supplier to replace LVPP variable resistor
Temperature coefficient of resistance (TCR) per 1 oC at -60..+125 oC
| Rated resistance range | TCR, 1 oC |
| 10 Ohm..68 Ohm | +5·10-4 |
| 33 kOhm, 47 kOhm | +5·10-4 |
| 100 Ohm..1500 Ohm | +4·10-5 |
| 2.2 kOhm..22 kOhm | ±5·10-5 |
Insulation resistance
| In normal conditions | not less than 1000 MOhm |
| After 2 or 3 days with relative humidity 98% at +40 oC | not less than 10 MOhm |
| After 100 hours at electrical load, corresponding to rated power dissipation, at +70 oСor after 4 years of shelf life | not less than 1000 MOhm |
| Insulation strength, V | 660 |
| Total or setup resistance change after 2 or 3 days with relative humidity 98% at +40 oC | not more than ±2% |
| Total resistance change after 5 cycles of temperature variation within the range -60..+125 oC | not more than ±2% |
| Total or setup resistance change after 30 minutes at -60 oC | not more than ±2% |
| Total or setup resistance change after 100 hours at electrical load, corresponding to rated power dissipation, at +70 oС | not more than ±2% |
| Total or setup resistance change after mechanical impact | not more than ±3% |
| Resistor case to soldering point distance, mm SP5-11, SP5-14 SP5-15 |
not less than 1.5 not less than 5 |
| Adjustment torque, gf·cm | 5..100 |
| Tension force, applied to terminals, kgf SP5-11, SP5-14 SP5-15 |
not more than 1.5 not more than 0.4 |
| Durability, number of adjustment cycles | 200 |
| Total resistance change after 200 adjustment cycles, for rated resistances 10..1500 Ohm more than 1500 Ohm |
not more than ±3% not more than ±2% |
| Durability, h | 5000 |
| Shelf life (in package, spare parts kit or installed), years |
|
| Total and setup resistance change after 4 years of shelf life | not more than ±3% |
You can order SP5-14 33 kOm from us
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