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Metal Film ResistorHits:
Time:2020-10-20 11:08:27 |
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TYPE | Power | Dimension(mm) | Limit Voltage (V) |
Insulation Voltage (V) |
Tape Type |
Resistance Range | |||
D | L | ι±2 | d±0.05 | ||||||
RJ-1/8 W | 1/8W | 1.7±0.3 | 3.5±0.6 | 26 | 0.40 | 150 | 250 | T52 | 10Ω—1MΩ |
RJ-1/4 W | 1/4W | 2.3±0.5 | 6.3±0.8 | 26 | 0.45 | 250 | 350 | T52 | 1Ω—2MΩ |
RJ-1/2 W | 1/2W | 3.2±0.5 | 9.0±1.0 | 26 | 0.60 | 350 | 350 | T52 | 1Ω—3MΩ |
RJ-1 W | 1W | 4.5±0.5 | 11.0±1.0 | 28 | 0.70 | 350 | 500 | T58 | 0.1Ω—5.1MΩ |
RJ-2 W | 2W | 5.0±0.5 | 15.0±1.0 | 30 | 0.75 | 500 | 500 | T66 | 0.1Ω—10MΩ |
RJ-3 W | 3W | 6.0±0.5 | 17.0±1.0 | 30 | 0.75 | 500 | 500 | T73 | 0.1Ω—10MΩ |
ITEM | Requirement | Method of test |
T.C.R. | TCR≤±250×10-6/℃ TCR≤±100×10-6/℃ TCR≤±50×10-6/℃ |
-55℃/20℃ 20℃ /+125℃ Resistance >10Ω |
Endurance at 70℃ | △R≤±(5%R+0.1Ω) | Duration time 1000h Check the resistance and appearance at 48h,500h,1000h |
Withstand voltage | No breakdown or flashover. | V-block Method, 1.42times insulation voltage , 1 min |
Solderability | Terminal is well covered with solder and the solder can freely flow . | Method:Use the tin stove to test Temperature of solder:260±5℃(RoHS) Dwell depth in solder:The distance between resistor body and solder surface is ![]() Dwell time in solder:3±0.5S(RoHS) |
Over-load | △R≤±(1%R+0.05Ω) | Test time:5S Test voltage:2.5 times of rated voltage or 2times of limit voltage,choose the lower. |
Terminal strength | △R≤±(1%R+0.05Ω) | Tension:5N (1/8W、1/4W、1/2W) 10N(1W、2W、3W) Curve,twist 180°,two times |
Resistance to soldering heat | △R≤±(1%R+0.05Ω) | 350℃±10℃ 3.5S±0.5S The distance between resistor body and solder surface is 2+0.5mm |
Fast temperature change | △R≤±(1%R+0.05Ω) | -55℃/125℃ |
Vibration | △R≤±(1%R+0.05Ω) | Frequency:10HZ-500HZ amplitude:0.75 mm or Acceleration 98m/S2 Test time:6h,Check the appearance Resistance |
Climate category |
△R≤±(1%R+0.05Ω) | ——Dry heat ——damp heat first cycle low pressure ——damp heat other cycles ——DC load |
Steady damp-heat | ΔR≤±(5%R+0.1Ω) Insulation Resistance≥100MΩ |
According to GB/T5729 4.24.2.2 |
Endurance at upper-limit temperature |
|
125℃ 1000h No visible damage . |
7、 LOGO、PACKING 、TRANSPORT AND STORAGE.
1、Logo
Product or packages should
This type of resistors is suitable for all kinds of AC and DC circuits.
2、Packing
The resisitors are packaged in boxes or Plastic bags.
3、Storage
Storage Environment:Temperature0℃—40℃; Relative Humidity≤90%;
There is no acidic or alkalic or other corrosive gases in the storehouse and the storehouse should be a room with good ventilation.
Storage life : one year.
4、Transport
Well-packaged products can be transported by sea ,land and ari.During the transportation,goods should avoid the rain, the sun drying , the corrosive gas and the mechanical injury ,such as extrusion and Impact.
be marked:Product Type,resistance、resistance tolerance,quantity、trademark、company、Product Standard No、date of manufacture and lot number.
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