LMR20
LMR20 Series
Low Resistance Metal Strip Chip Resistors
Description
- Resistance range 0.5~100mR
- Rated power 1,2W
- Insulation resistance:≥220MΩ（DC 500V 1min ）
- Low inductance design：＜5nH (1MHz)
- Alloy Material, Shock Resistance
- Withstand voltage：500V
- Operating temperature range：- 65℃~170℃
Description
- Current sensing application
- Over current protection
- Servo motor control circuits
- Inverter power
- Electric control system
- Li-battery management system
Part number
LMR 20 F 1P0 R0005
【1】 【2】【3】【4】【5】
【 1 】Series Name: Low resistence Metal strip Chip Resistors
【2 】Chip size: 20:2010
【3】 Resistance Precision: D:±0.5% ; F:±1% ; G:±2% ; J:±5%
【4】 Power Rating:1P0= 1W ; 2P0=2W
【5】 Resistance Code: R0005: 0.5mΩ ; R100: 100mΩ
Standard Electrical Specifications
| Size | Power (W) | Resistance/mΩ | TCR (ppm/℃) | Operating Temperature (℃) |
|---|---|---|---|---|
| ±0.5%, ±1% ±2%,±5% | ||||
| 2010 | 1, 2 | 0.5 ~ 4 | ±75 | -65℃~170℃ |
| 5 ~ 100 | ±50 |
Note: Short Time Overload were tested with 2.5×Rated power for 10 s TCR（ppm/℃)： Test conditions at 20℃~120℃ .
Products & Recommend Pad Dimension
Unit：mm
| Type | Resistance | W±0.2 | C±0.2 | A±0.2 | D±0.1 | L | a | c |
|---|---|---|---|---|---|---|---|---|
| 2010 | 0.5 ~ 0.9 | 5 | 2.5 | 1.3 | 0.8 | 2.1 | 2.1 | 3.5 |
| 2010 | 1 ~ 100 | 0.6 | 3.6 | 1.5 |
Welded Construction
Power Derating Curve
For resistors operated in ambient temperatures 70°C, power ratingshall bederated inaccording with the curve below:
Recommended Solder Curve
Product Characteristics
| Item | Test condition/ Methods | Limited | Standard |
|---|---|---|---|
| Resistance | Measuring resistance value at room temperature 25℃±5℃ | Refer to Spec | IEC60115-1 4.5 |
| Temperature coefficient of resistance | TCR =(R-R0)/R0(T2-T1)X 106 T1 T2 R0 : resistance of room temperature R: resistance of 120℃ T1: Room temperature 20℃ T2: Temperature at 120℃ | Refer to Spec | MIL-STD-202 Method 304 |
| Short time Overload | 5×Rated power for 5 seconds 2.5×Rated power for 10 seconds | ≤±0.5% | MIL-STD-202 Method 210 |
| Resistance to Soldering Heat | 260℃± 5℃ time ：10sec± 1sec | ≤±0.5% | MIL-STD-202 Method 210 |
| Temperature Cycling | -55℃ (15min)/+150℃(15min), 1000 cycles | ≤±0.5% | MIL-STD-202 Method107G |
| ESD Test | 1)Direct Contact (DC): ±6kV; 2)Air Discharge (AD): ±12kV, ±16kV, ±25kV | ≤±0.5% | AEC-Q200 REV D June 1 |
| High Temperature Storage | 125℃ for 100hours, No power | ≤±0.5% | IEC6011501-4.25 |
| Bias Humidity | +85℃, 85% RH ，10%bias, 1000hours | ≤±0.5% | MIL-STD-202 Method103 |
| Mechanical shock | Condition C ,100 g’s ,6 msec, 3 mutually perpendicular axes, in 6 directions, three impacts each for a total of 18 times 18 shocks. | ≤±0.5% | MIL-STD-202 Method 213 |
| Vibration | The frequency varies from 10HZ to 55HZ and return to 10HZ, shall be transferred in 1 min. Amplitude : 1.5mm, 3 directions, and 12 hours | ≤±0.5% | MIL-STD-202 Method 201 |
| Operational life | Condition D Steady State TA=125℃ at rated power. | ≤±0.5% | MIL-STD-202 Method 108 |
| Moisture resistance | MIL-STD-202,method106 ，No power, 7b not required | ≤±0.5% | MIL-STD-202 Method 106 |
Tapping & Package
| Type | Pack | A ±2 | B ±2 | D0 +0.1 | E ±0.1 | F ±0.1 | P0 ±0.1 | P1 ±0.1 | P2 ±0.1 | W ±0.3 | t ±0.2 | Qty./reel |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | Emboss | 2.75 | 5.5 | 1.50 | 1.75 | 5.50 | 4.00 | 4.00 | 2.00 | 12.00 | 0.82 | 3000 |
Packaging
Quantity: 3000pcs
16mm wide tape on 178mm(7 inch)
diameter reel -specification EIA
Standard 481
Storage
Storage Conditions: Temperature:5℃~35℃ , Humidity:40%~75%