Product Description
The Littelfuse WSTM Series is a low ohm, two-terminal surface mount current sense resistor designed for long-term stability and excellent heat dissipation. Its compact ceramic substrate package is optimal for a wide range of applications, offering optimal linearity in I/V conversion and low ESL. Key benefits include durability and suitability for power management systems.
Product Attributes
- Brand: Littelfuse
- Series: WSTM
- Product Type: Two-Terminal Surface Mount Resistor
- Certifications: RoHS, Pb-Free Assembly
Technical Specifications
| Part Number | Size (Inch) | Size (mm) | Resistance Value (m) | Tolerance (%) | Power Rating (W) | TCR (ppm / C) | Standard Package Quantity |
| WSTM0603DLR006FNR | 0603 | 1608 | 6 | ±1.0% | 0.5 | ±75 | 5000 |
| WSTM0603DLR009FNR | 0603 | 1608 | 9 | ±1.0% | 0.5 | ±75 | 5000 |
| WSTM0603QLR010FNR | 0603 | 1608 | 10 | ±1.0% | 0.5 | ±50 | 5000 |
| WSTM0603QLR015FNR | 0603 | 1608 | 15 | ±1.0% | 0.5 | ±50 | 5000 |
| WSTM0603QLR020FNR | 0603 | 1608 | 20 | ±1.0% | 0.5 | ±50 | 5000 |
| WSTM0603QLR022FNR | 0603 | 1608 | 22 | ±1.0% | 0.5 | ±50 | 5000 |
| WSTM0603QLR030FNR | 0603 | 1608 | 30 | ±1.0% | 0.5 | ±50 | 5000 |
| WSTM0603QLR033FNR | 0603 | 1608 | 33 | ±1.0% | 0.5 | ±50 | 5000 |
| WSTM0805DLR003FNR | 0805 | 2012 | 3 | ±1.0% | 0.75 | ±75 | 5000 |
| WSTM0805QLR004FNR | 0805 | 2012 | 4 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR005FNR | 0805 | 2012 | 5 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR007FNR | 0805 | 2012 | 7 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR008FNR | 0805 | 2012 | 8 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR009FNR | 0805 | 2012 | 9 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR013FNR | 0805 | 2012 | 13 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR015FNR | 0805 | 2012 | 15 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR016FNR | 0805 | 2012 | 16 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR018FNR | 0805 | 2012 | 18 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR020FNR | 0805 | 2012 | 20 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR022FNR | 0805 | 2012 | 22 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR024FNR | 0805 | 2012 | 24 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR030FNR | 0805 | 2012 | 30 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR033FNR | 0805 | 2012 | 33 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR047FNR | 0805 | 2012 | 47 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR100FNR | 0805 | 2012 | 100 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR165FNR | 0805 | 2012 | 165 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR220FNR | 0805 | 2012 | 220 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM0805QLR470FNR | 0805 | 2012 | 470 | ±1.0% | 0.75 | ±50 | 5000 |
| WSTM1206QLR004FNR | 1206 | 3216 | 4 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR005FNR | 1206 | 3216 | 5 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR006FNR | 1206 | 3216 | 6 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR007FNR | 1206 | 3216 | 7 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR008FNR | 1206 | 3216 | 8 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR009FNR | 1206 | 3216 | 9 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR010FNR | 1206 | 3216 | 10 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR011FNR | 1206 | 3216 | 11 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR012FNR | 1206 | 3216 | 12 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR015FNR | 1206 | 3216 | 15 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR016FNR | 1206 | 3216 | 16 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR018FNR | 1206 | 3216 | 18 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR020FNR | 1206 | 3216 | 20 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR022FNR | 1206 | 3216 | 22 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR024FNR | 1206 | 3216 | 24 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR027FNR | 1206 | 3216 | 27 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR028FNR | 1206 | 3216 | 28 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR030FNR | 1206 | 3216 | 30 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR036FNR | 1206 | 3216 | 36 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR039FNR | 1206 | 3216 | 39 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR043FNR | 1206 | 3216 | 43 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR047FNR | 1206 | 3216 | 47 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR056FNR | 1206 | 3216 | 56 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR062FNR | 1206 | 3216 | 62 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR075FNR | 1206 | 3216 | 75 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR120FNR | 1206 | 3216 | 120 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR130FNR | 1206 | 3216 | 130 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR140FNR | 1206 | 3216 | 140 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR160FNR | 1206 | 3216 | 160 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR240FNR | 1206 | 3216 | 240 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR270FNR | 1206 | 3216 | 270 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR330FNR | 1206 | 3216 | 330 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR360FNR | 1206 | 3216 | 360 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR402FNR | 1206 | 3216 | 402 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR430FNR | 1206 | 3216 | 430 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR470FNR | 1206 | 3216 | 470 | ±1.0% | 1 | ±50 | 5000 |
| WSTM1206QLR499FNR | 1206 | 3216 | 499 | ±1.0% | 1 | ±50 | 5000 |
| WSTM2512DLR002FYR | 2512 | 6432 | 2 | ±1.0% | 2 | ±75 | 4000 |
| WSTM2512DLR003FYR | 2512 | 6432 | 3 | ±1.0% | 2 | ±75 | 4000 |
| WSTM2512QLR005FYR | 2512 | 6432 | 5 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR006FYR | 2512 | 6432 | 6 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR007FYR | 2512 | 6432 | 7 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR010FYR | 2512 | 6432 | 10 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR012FYR | 2512 | 6432 | 12 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR015FYR | 2512 | 6432 | 15 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR016FYR | 2512 | 6432 | 16 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR018FYR | 2512 | 6432 | 18 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR020FYR | 2512 | 6432 | 20 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR022FYR | 2512 | 6432 | 22 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR027FYR | 2512 | 6432 | 27 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR030FYR | 2512 | 6432 | 30 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR033FYR | 2512 | 6432 | 33 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR036FYR | 2512 | 6432 | 36 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR051FYR | 2512 | 6432 | 51 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR068FYR | 2512 | 6432 | 68 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR075FYR | 2512 | 6432 | 75 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR120FYR | 2512 | 6432 | 120 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR130FYR | 2512 | 6432 | 130 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR140FYR | 2512 | 6432 | 140 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR180FYR | 2512 | 6432 | 180 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR240FYR | 2512 | 6432 | 240 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR300FYR | 2512 | 6432 | 300 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR330FYR | 2512 | 6432 | 330 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR360FYR | 2512 | 6432 | 360 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR390FYR | 2512 | 6432 | 390 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR430FYR | 2512 | 6432 | 430 | ±1.0% | 2 | ±50 | 4000 |
| WSTM2512QLR470FYR | 2512 | 6432 | 470 | ±1.0% | 2 | ±50 | 4000 |
| WSTM4527RLR007FMR | 4527 | 11470 | 7 | ±1.0% | 4 | ±100 | 1000 |
| WSTM4527QLR015FMR | 4527 | 11470 | 15 | ±1.0% | 4 | ±50 | 1000 |
| WSTM4527QLR020FMR | 4527 | 11470 | 20 | ±1.0% | 4 | ±50 | 1000 |
Note: Resistors are available in steps of 1 mOhm. Ratings not indicated in the above table may be available on request.
2411261538_Littelfuse-WSTM2512QLR360FYR_C20350439.pdf
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible