Lifecycle:
Active (Mature)
Brand:
Welwyn
Series:
T40
| Series | T40 |
|---|---|
| Application | High value / voltage |
| Mounting | Through hole |
| Package | Axial |
| Technology | Thick film |
| Approval | None |
| Example MPN | T44D-4G7JI or 424471-4M7JI |
| Termination Options |
|
| Power | 3.5W |
|---|---|
| Rated Ambient Temperature | 20°C |
| De-rate to 0W Ambient Temperature | 150°C |
| Max Ambient Temperature | 150°C |
| LEV | 14kV |
| Resistance min | 10kΩ |
| Resistance max | 10GΩ |
| Critical Resistance (where applying LEV dissipates Pr) | 56MΩ |
| Best Tolerance | 1% |
| Best TCR | 25ppm/°C |
| Isolation Voltage of Insulation | Unspecified: ?V |
| RoHS Compliant (if Pb-free) | Yes (see below) |
|---|---|
| RoHS Exemption | 7(c)-I "Pb in glass" |
| China RoHS (if Pb-free) | Contains Pb. EFUP 50 Years |
| REACH Status (if Pb-free) | See REACH statement pdf (below) |
| CMRT Conflict Mineral Status | See CMRT Excel file (below) |
| EMRT Extended Mineral Status | No EMRT available |
| 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 | Bulk / box |
|---|---|
| Quantity | 10 or 20 |
| 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 24) |
| Latest PCN Date | 4 Dec 23 |
| Alternative Part Number | - |