Lifecycle:
Active (Mature)
Brand:
Welwyn
Series:
WL4
| Series | WL4 |
|---|---|
| Application | Zero ohm jumper |
| Mounting | Through hole |
| Package | Axial |
| Technology | Metal element |
| Approval | None |
| Example MPN | WL4-R005JI |
| Termination Options |
|
| Power | - |
|---|---|
| Rated Ambient Temperature | - |
| De-rate to 0W Ambient Temperature | - |
| Max Ambient Temperature | - |
| LEV | - |
| Resistance min | 0Ω |
| Resistance max | 0.03Ω |
| Critical Resistance (where applying LEV dissipates Pr) | N/A: -Ω |
| Best Tolerance | - |
| Best TCR | - |
| Isolation Voltage of Insulation | 500V |
| 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) | e3 - Sn hot dipped |
| Termination Finish (if Pb-bearing) | 95/5 |
| How to Specify Pb-Free | Part number suffix is I and not PB |
| ECCN | EAR99 |
| Packing | Tape & ammo pack |
|---|---|
| Quantity | 5000 |
| Nett Weight Each | - |
| Reflow Process | Not applicable |
| MSL | Not applicable |
| Wave Process | Compatible, 260+-5 deg. C, 1 or 2 x 5+-1 seconds contact time |
| Shelf-life | None defined, but solderability test prior to use is recommended after two years from date of manufacture |
| Launch Date | Pre-2000 |
|---|---|
| Lifecycle | Active (Mature) |
| EOL Date / YTEOL Estimate | 5 years or more. (Reviewed May 25) |
| Latest PCN Date | 13 Oct 25 |
| Alternative Part Number | - |
| Datasheet | WL4 | |
| Application Note | TN001 Advice on Storage Conditions for Fixed Resistors | |
| Application Note | TN002 Instant Access to RoHS REACH Conflict Mineral and other Compliance Data Online | |
| Application Note | TN007 Instant Access to Life Cycle and Obsolete Product Data Online | |
| Application Note | TN009 Parametric and Category Searching for Resistors | |
| Brochure | Resistors Shorform Catalogue | |
| Compliance | Mexicali ISO 9001 | |
| Compliance | RoHS WL4 | |
| Compliance | REACH Statement for BI Technologies | |
| Compliance | CMRT Conflict Mineral Mexicali | |
| Compliance | EMRT Extended Mineral Mexicali | |
| Compliance | BI Technologies California Proposition 65 | |
| Compliance | TSCA Statement Mexicali | |
| Compliance | PFAS | |
| Compliance | POPs | |
| Compliance | Tin Whisker Report | |
| Product Change Notification | PCNs for WL4 | |
| Product Change Notification | PCN 2025 RBU14 Change of ordering logistics location |