* Pictures are placed for illustration purpose only. Appearance of real component may differ.
Single adjustable resistor with single-turn rotary system for DC, AC and impulse circuits.
SP3-9a (0.5 W) and SP3-9v (0.5 W) resistors are designed for wire mounting and are installed flatwise to the PCB.
Main parameters
| Resistor type | PCB to shaft end distance, mm | Mass, not more than, g | |
| SP3-9a | 10 | 8 | |
| 12.5 | 8.3 | ||
| 16 | 8.5 | ||
| 20 | 9.0 | ||
| 25 | 9.5 | ||
| SP3-9v | 16 | 15 |
Rated resistances form a E6 series with allowed resistance variation ±10; ±20; ±30%
| Rated resistance range, Ohm SP3-9a SP3-9v |
1?103..4.7?106 1?106..6.8?103 | |
| Temperature coefficient of resistance, not more than, 1/oC | ±1400?10-6 | |
| Internal noise level, not more than, mkV/V | 15 | |
| Adjustment noise voltage, not more than, mV | 47 | |
| Minimum resistance, not more than, Ohm up to 1500 Ohm more than 1500 Ohm |
25 100 | |
| Initial resistance step, not more than | 10% | |
| Resistance variation curve | A(linear) | |
| Insulation resistance in normal conditions, not less than MOhm | 10000 |
Operational limits
| Ambient air temperature (at 0.2 of rated electrical load), oС | -60,,+100 |
| Maximum AC/DC voltage, V | 250 |
| Durability, adjustment cycles SP3-9a SP3-9v |
10000 5000 |
| Minimum lifetime, h | 15000 |
| Shelf life, years | 15 |
You can order SP3-9a 0.5 A 2-16 33kOm 20% from us
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