| Customization: | Available |
|---|---|
| Resistance: | Fixed Resistor |
| Function for Resistance: | Protective Resistor, Load Resistor |
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| WATTS | L | D | H | d ±0.05m | PULLING (Kg) |
| MF1/8W /1/4WS | 3.5±0.3 | 1.8±0.3 | 28±2.0 | 0.38 | 2.5Kg-30S |
| MF1/4W / 1/2WS | 6.0±0.5 | 2.3±0.3s | 27±2.0 | 0.38 | 2.5Kg-30S |
| MF1/2W / 1WS | 9.0±1.0 | 3.5±0.5 | 26±2.0 | 0.48 | 2.5Kg-30S |
| MF1W / 2WS | 11.0±1.0 | 4.0±0.5 | 24±2.0 | 0.55 | 3Kg-30S |
| MF2W / 3WS | 15.0±1.0 | 5.0±0.5 | 33±2.0 | 0.65 | 5Kg-30S |
| MF3W /5WS | 17.0±1.0 | 6.0±0.5 | 32±2.0 | 0.7 | 5Kg-30S |
| MF5W | 24.0±1.0 | 8.0±1.0 | 28±2.0 | 0.8 | 5Kg-30S |
| ITEM (STANDARD) | PERFORMANCE AND/OR QUALIITY ACCEPTANCE |
TEST METHOD |
Resistance value Vs Temperature Characteristics |
±100PPM/ºC |
JIS-C-5202 5.2 Measure resistance (Ro ohm) at room Temperature(To ºC) Measure again the same at 100ºC Higher then room temperature R - RO 106 PPM = * RO (T0+100) -T0 |
| ITEM (STANDARD) | PERFORMANCE AND/OR QUALIITY ACCEPTANCE |
TEST METHOD |
Short time overload |
The resistance variation shall be within±(0.5% + 0.05ohm) and there Shall be no mechanical breakage |
JIS-C-5202 5.5 Apply DC voltage 2.5times the rated Voltage for 5 seconds The leave at room temperature for 30 Minutes then measure MAX overload Voltage 0.50W - 700V (DC) |
Insulation resistance |
10,000M ohm or more |
JIS-C-5202 5.6 in V-BLOCK Lay the resistor on 90° angle metal V Block apply 500VDC between resistor Lead and V block for one Minute And Measure |
Voltage endurance |
The resistance variation shall be within±(0.5% + 0.05ohm) and there shall Be no mechanical breakage |
JIS-C-5202 5.7 Icy the resistor on the 90° angle metal V Block and apply reamed AC voltage for One Minute. Test voltage 0.25W - 500V (AC) 0.50W -700V(AC) |
Intermittent overload |
Resistance variation shall be Within ±(0.50% + 0.05ohm) |
JIS-C-5202 5.8 Apply AC voltage 4 times the rated voltage for 1 second and rest for 25 seconds and Repeat this cycle for 10000±200times leave resistor 30 minutes at room temperature after test and measure Maximum voltage for intermittent Overload.0.50W - 700V(AC) |
| Terminal strength |
Resistance variation shall be within ±(0.5% + 0.05ohm) also there Shall be on mechanical breakage |
Pull test apply 2.5kg force to the lead in the direction of lead axisfor30±5 seconds. |
Heat resistively Against soldering |
Resistance variation shall be within ± (0.25%+0.05ohm) also there Shall be on mechanical breakage |
JIS-C-5202 7.10 Dip the lead in to a solder bath having a Temperature of 350ºC ± 10ºC up to 4±0.8mm from the body of the resistor and hold it for 3±0.5seconds leave the resistor at room temperature 3 hours after ,then Measure |
Load life test |
The variation of the resistance Shall be within ± (1.5%+0.05ohm) Also there shall be no mechanical Breakage |
JIS-C-5202 7.10 In the constant temperature chamber having Temperature70ºC ± 2ºC,apply rated Dc voltage for 1.5hour and shut voltage for 0.5 hour and repeat this cycle for 1000 hours,leave in room temperature hour after test, then measure |
EM (STANDARD) |
PERFORMANCE AND/OR QUALITY ACCEPTANCE |
TEST METHOK |
Solder ability |
More than 95% of the surface of the lead shall be covered by new solder after the leads are dipped in the Solder |
JIS-C-5202 6.5 Dip the lead in to a solder bath having a Temperature of 260ºC±5ºC up to 4±0.8mm from the body of the resistor and hold it for 5± 0.5seconds then inspect |
Humidity load test |
Resistance variation be Within ± (1.5% + 0.05ohm) Also there shall be no mechanical breakage |
JIS-C-5202 7.9 In temperature chamber having temperature 40ºC±2ºC,relative humidity 90 - 95%,Apply rated voltage 1.5hour and shut voltage 0.5 hour repeat this cycle for 1000 hours, leave in room temperature for hour after test, then measure |
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