Lifecycle:
Active (Mature)
Brand:
Welwyn
Series:
WSHR
| Series | WSHR | 
|---|---|
| Application | High power | 
| Mounting | Heatsink | 
| Package | Low profile power | 
| Technology | Thick film | 
| Approval | None | 
| Example MPN | WSHR5-100RKTW | 
| Termination Options | Non-solder | 
| Power | 655W | 
|---|---|
| Rated Ambient Temperature | - | 
| De-rate to 0W Ambient Temperature | - | 
| Max Ambient Temperature | 400°C | 
| LEV | - | 
| Resistance min | 22Ω | 
| Resistance max | 150Ω | 
| Critical Resistance (where applying LEV dissipates Pr) | N/A: -Ω | 
| Best Tolerance | 10% | 
| Best TCR | 600ppm/°C | 
| Isolation Voltage of Insulation | 2.5kV | 
| RoHS Compliant (if Pb-free) | Yes (see below) | 
|---|---|
| RoHS Exemption | None | 
| China RoHS (if Pb-free) | Compliant | 
| REACH Status (if Pb-free) | See REACH statement pdf (below) | 
| CMRT Conflict Mineral Status | See CMRT Excel file (below) | 
| EMRT Extended Mineral Status | See EMRT Excel file (below) | 
| Termination Finish (if Pb-free) | Non-solder | 
| Termination Finish (if Pb-bearing) | Not available | 
| How to Specify Pb-Free | All part numbers are Pb-free | 
| ECCN | EAR99 | 
| Packing | Bulk / box | 
|---|---|
| Quantity | 40 | 
| Nett Weight Each | - | 
| Reflow Process | Not applicable | 
| MSL | Not applicable | 
| Wave Process | Not applicable | 
| Shelf-life | None defined | 
| Launch Date | Oct 2018 | 
|---|---|
| Lifecycle | Active (Mature) | 
| EOL Date / YTEOL Estimate | 5 years or more. (Reviewed May 25) | 
| Latest PCN Date | 13 Oct 25 | 
| Alternative Part Number | - |