ASRC39
SRC39 Series Current Shunt Resistors aid precision measurement and high-current applications. A wide range of precision shunts, designed for use with kilowatt-hour meters and other high-current applications where a high level of accuracy is required, is now available from PROSEMI.
Features
- Power rating up to 12 W at 70°C
- Excellent long term stability
- Continuous current load up to 160A at 0.2mΩ
- Halogen free, lead free and RoHS compliant
- AEC-Q200 qualified
Appications
- Power modules
- Frequency converters
- Current sensor for power hybrid sources
- High current for automotive
- Lithium battery protection board
| Part Number | Power Rating P70°C (W) | Resistance Range (mΩ) | TCR (ppm/°C) | Material |
|---|---|---|---|---|
| ASRC39F/K_I5R0 | 5 | 5 | ±50 | FeCrAl/Kama |
| ASRC39F/K_I4R0 | 5 | 4 | ±50 | FeCrAl/Kama |
| ASRC39F/K_I3R0 | 5 | 3 | ±50 | FeCrAl/Kama |
| ASRC39F/K_I2R0 | 6 | 2 | ±50 | FeCrAl/Kama |
| ASRC39F/K_I1R0 | 8 | 1 | ±50 | FeCrAl/Kama |
| ASRC39M_I1R0 | 7 | 1 | ±50 | Manganin |
| ASRC39M_I0R50 | 9 | 0.5 | ±70 | Manganin |
| ASRC39M_I0R30 | 10 | 0.3 | ±150 | Manganin |
| ASRC39M_I0R20 | 12 | 0.2 | ±200 | Manganin |
- Applicable temperature range of -55°C to +170°C
- Power rating is guaranteed for use an aluminum substrate (MCPCB) Part
- Number definition “ ” of Resistance Tolerance
Dimension
| Part Number | L (mm) | W (mm) | T (mm) | A (mm) | p (mm) | Quantity |
|---|---|---|---|---|---|---|
| ASRC39F/K_I5R0 | 10.0±0.2 | 5.2±0.4 | 0.78±0.2 | 2.2±0.2 | 0.5±0.1 | 2500 |
| ASRC39F/K_I4R0 | 10.0±0.2 | 5.2±0.4 | 0.78±0.2 | 2.2±0.2 | 0.5±0.1 | 2500 |
| ASRC39F/K_I3R0 | 10.0±0.2 | 5.2±0.4 | 0.87±0.2 | 2.2±0.2 | 0.5±0.1 | 2500 |
| ASRC39F/K_I2R0 | 10.0±0.2 | 5.2±0.4 | 1.06±0.2 | 2.2±0.2 | 0.5±0.1 | 2500 |
| ASRC39F/K_I1R0 | 10.0±0.2 | 5.2±0.4 | 1.66±0.2 | 2.2±0.2 | 0.5±0.1 | 2500 |
| ASRC39M_I1R0 | 10.0±0.2 | 5.2±0.4 | 0.90±0.2 | 2.2±0.2 | 0.5±0.1 | 2500 |
| ASRC39M_I0R50 | 10.0±0.2 | 5.2±0.4 | 1.33±0.2 | 2.2±0.2 | 0.5±0.1 | 2500 |
| ASRC39M_I0R30 | 10.0±0.2 | 5.2±0.4 | 1.87±0.2 | 2.2±0.2 | 0.5±0.1 | 2000 |
| ASRC39M_I0R20 | 10.0±0.2 | 5.2±0.4 | 2.14±0.2 | 2.2±0.2 | 0.5±0.1 | 2000 |
Storage Conditions
Temperature: 22~28°C , Humidity: 40~75%
Power Derating Curve
Soldering Parameters
| Preheat Heat | |
|---|---|
| Temperature min (Tsmin) | 150°C |
| Temperature max (Tsmax) | 200°C |
| Time (Tsmin to Tsmax) (ts) | 60 - 120 seconds |
| Average ramp-up rate (Tsmax to Tp) | 3°C/second max |
| Liquidous temperature (TL) | 217°C |
| Time at liquidous (tL) | 60 - 150 seconds |
| Peak temperature (Tp) | 260+0/-5°C |
| Time within 5°C of actual peak temperature (tp) | 10 – 30 seconds |
| Average ramp-down rate (Tp to Tsmax) | 6°C/second max |
| Time from 25°C to peak temperature | 8 minutes max |
Endurance Test
Here’s the data in a table format:
| Item | Additional Requirements | Reference | Limits |
|---|---|---|---|
| Temperature Cycling | 1000 Cycles (-55°C to +125°C) | JESD22 Method JA-104 | ±0.5% |
| High Temperature Exposure | 1000hrs @ T=125°C, Unpowered. Measurement at 24±2 hours after test conclusion | MIL-STD-202 Method 108 | ±0.5% |
| Moisture Resistance | t=24hrs/cycle. Note: Steps 7a & 7b not required. Unpowered. | MIL-STD-202 Method 106 | ±0.5% |
| Biased Humidity | 1000hrs 85°C/85%RH, Specified conditions: 10% of operating power. Measurement at 24±2 hours after test conclusion | MIL-STD-202 Method 103 | ±0.5% |
| Operational Life | Condition D Steady State TA=125°C at rated power. Measurement at 24±2 hours after test conclusion | MIL-STD-202 Method 108 | ±0.5% |
| Solderability | 245°C±5°C, 5s+0.5s/-0 | J-STD-002C | 95% Coverage Min |
| Vibration | 5 g's for 20 min, 12 cycles each of 3 orientations. Note: Use 8"X5" PCB, .031" thick, 7 secure points on one long side and 2 secure points at corners of opposite sides. Parts mounted within 2" from any secure point. Test from 10-2000Hz. | MIL-STD-202 Method 204 | ±0.5% |
| Resistance to Soldering Heat | 260°C±5°C, 10s±1s | MIL-STD-202 Method 210 | ±0.5% |
| Short Time Overload | 5×Rated power for 5s. Measurement at 24±2 hours after test conclusion | MIL-STD-202 Method 301 | ±0.5% |
Let me know if any further adjustments are needed!