PSRP25 Shunt Resistor
PSRP Series-Prosemi Shunt Resistors
Features
- Metal Alloy Low-Resistance shunt resistor.
- Resistance valu 0.2mΩ .
- Low thermal EMF.
- Low TCR.
- Very low inductance.
- Halogen free, lead free and RoHS compliant.
- AEC-Q200 qualified available.
Applications
- Power modules.
- Frequency converters.
- Current sensor for power hybrid sources high current for automotive.
- Lithium battery protection board.
Part Number
【1】Series Name: Prosemi Shunt Resistor for Automotive.
【2】Chip Size: 25: 2512;
【3】Material: S: CuMnSn.
【4】Power Rating: 7=7W.
【5】Resistance Precision: F: ±1%.
【6】Resistance Code: 0M20 : 0.2mΩ .
Electrical Characteristics
| Size | Power Rating at 70℃* (W) |
Resistance Range(mΩ)** | Element Material |
Resistance Tolerance(%) |
Operation Temperature Range |
Temperature coefficient (ppm/℃) |
|---|---|---|---|---|---|---|
| 2512 | 7 | 0.2 | S | ±0.5； ±1； ±2； ±5； |
-65℃~+170℃ | ±225 |
“*” : Power at terminal temperature of 70℃ .
“* *”: Development schedule will vary depending on resistance value. Please contact us for resistance values.
Resistance Values of the 2512 Series, 4~6W Resistors
| Standard Resistance Values ( Ω ) | |||||
|---|---|---|---|---|---|
| 0.0003 ohm | 0.0005 ohm | 0.001 ohm | 0.002 ohm | 0.003 ohm | 0.004 ohm |
| 0M30 | 0M50 | R001 | R002 | R003 | R004 |
| Manufacturable Resistance Values ( Ω ) | |||
|---|---|---|---|
| 0.0002 ohm | 0.0015 ohm | 0.0025 ohm | 0.005 ohm |
| 0M20 | R0015 | R0025 | R005 |
Physical Dimensions
| Size | Resistance (mΩ) |
L | W | A | P | Element Material |
|---|---|---|---|---|---|---|
| 2512 | 0.2 | 6.4±0.2 | 3.2±0.2 | 1.10 ±0.2 | 0.45 ±0.1 | S |
Recommended Solder Pad Layout
Unit: mm
| Type | Resistance (mΩ) | c | a | b |
|---|---|---|---|---|
| 2512 | 0.2 | 7 | 3.4 | 1.8 |
Test Point
| Type | Resistance (mΩ) | L1(mm) | L2(mm) | W(mm) |
|---|---|---|---|---|
| 2512 | 0.2 | 5.6 | 5.6 | 1.4 |
Construction
Power Derating Curve
For resistors operated in ambient temperatures 70°C, power rating shall be derated in according with the curve below:
Recommended Solder Curve
| Reflow Condition | Pb – Free assembly | |
|---|---|---|
| Pre heat | - Temperature Min (Ts(min)) | 150°C |
| - Temperature Max (Ts(max)) | 200°C | |
| - Time (Min to Max) (ts) | 60 – 120 secs | |
| Average ramp up rate (Liquidus Temp (TL) to peak) | 5°C/second max | |
| TS(max) to TL - Ramp-up Rate | 5°C/second max | |
| Reflow | - Temperature (TL) (Liquidus) | 217°C |
| - Time (tL) | 60 – 150 seconds | |
| Peak Temperature (TP) | 260°C | |
| Time within 5°C of actual peak Temperature (tp) | 20 – 40 seconds | |
| Ramp-down Rate | 5°C/second max | |
| Time 25°C to peak Temperature (TP) | 8 minutes Max. | |
| Wave Soldering | Not applicable | |
| Hand Soldering | 350°C, 5 seconds max. | |
Product Marking
2512
1、The characters and directions are shown in the figure above
2、Encoding rules: "0M20"：0.2m Ω ;
Product Characteristics
| Item | Test condition/Methods | Limited | Standard | |
|---|---|---|---|---|
| Resistance | Measuring resistance value at room temperature 25℃±5℃ | Refer to Spec | IEC60115-1 6.1 | |
| Temperature Coefficient of Resistance | TCR(ppm/°C) = (R2-R1/R1*(T2-T1))×10⁶ R1: resistance measured at room temperature (Ω) R2: resistance measured at 125℃ (Ω) T1: room temperature (℃) T2: 125℃ |
Refer to Spec | MIL-STD-202 Method 304 |
|
| Short Time Overload | Apply 5 times rated power for 5 seconds, and measure resistance change after standing for 24 hours | ±1% | IEC60115-1 8.1 | |
| High Temperature Storage | 170℃ for 1000 hours, no power | ±1% | MIL-STD-202 Method 108 |
|
| Temperature Cycling | -55℃ (15min) / +150℃ (15min), 1000 cycles, transition time < 1 min | ±1% | JESD22 Method JA-104 |
|
| Operational Life | 70℃±2℃, 1000 hours, rated power 1.5h ON / 0.5h OFF | ±1% | IEC60115-1 7.1 | |
| Mechanical Shock | Condition C, 100 g’s, 6 msec, 3 axes, 6 directions, 3 impacts each (18 shocks) | ±1% | MIL-STD-202 Method 213 |
|
| Vibration | 5g’s, 20 min, 12 cycles, 3 orientations, 10Hz–2000Hz | ±1% | MIL-STD-202 Method 204 |
|
| Resistance to Soldering Heat | Condition K, temp above 217℃, 60–150s | ±0.5% | MIL-STD-202 Method 210 |
|
| Solderability | 245±5℃, 5s (+0/-0.5s) | ≥95% | J-STD-002 | |
| Bias Humidity | +85℃, 85%RH, 10% operating power, 1000h | ±1% | MIL-STD-202 Method 103 |
|
| Board Flex | Bending Distance: 2mm, 60±5s | ±1% | AEC-Q200-005 | |
Packaging
Tape Dimensions
2512
Unit:mm
| Series | Type | A(mm) | B(mm) | E(mm) | F (mm) | W (mm) | T(mm) |
|---|---|---|---|---|---|---|---|
| 2512 | 0.2mΩ | 3.50±0.10 | 6.70±0.10 | 1.75±0.10 | 5.50±0.10 | 12.00±0.10 | 0.30±0.05 |
| Series | Type | P0(mm) | P1(mm) | P2(mm) | D0(mm) | D1(mm) | K0(mm) |
|---|---|---|---|---|---|---|---|
| 2512 | 0.2mΩ | 4.00±0.10 | 8.00±0.10 | 2.00±0.05 | 1.50±0.10 | 1.50±0.10 | 2.1±0.10 |
Reel Dimensions
2512
Unit: mm
| Series | Type | A(mm) | N(mm) | C(mm) | D(mm) | W1(mm) |
|---|---|---|---|---|---|---|
| 2512 | 0.2mΩ | 330.0±2.0 | 100.0±1.0 | 13.5±0.5 | 21±0.8 | 12.4+2/-0 |
Quantity of Package
| Series | Type | Quantity(pcs) |
|---|---|---|
| 2512 | 0.2mΩ | 4000 |
Storage
1.The temperature condition must be controlled at 25 ±5℃, The R.H. must be controlled at 60 ±15% Store in accordance with this requirement, and the validity period is two years after the date of manufacture.
2.Please avoid the mentioned harsh environment below when storing to ensure product performance and its’ solderability. Places exposed to sea breeze or other corrosive gas, such as Cl2 , H2S, NH3 , SO2 and NO2.
3.When the product is moved and stored, please ensure the correct orientation of the box. Do not drop or squeeze the box. Otherwise, the electrode or the body of the product may be damaged.