Lifecycle:
Obsolete
Brand:
Welwyn
Series:
CRT
| Series | CRT |
|---|---|
| Application | General purpose |
| Mounting | SMD - solder |
| Package | Chip 0805 |
| Technology | Thick film |
| Approval | None |
| Example MPN | CRT1/10-4K7QI |
| Termination Options | Pb-free |
| Power | 0.1W |
|---|---|
| Rated Ambient Temperature | 70°C |
| De-rate to 0W Ambient Temperature | 125°C |
| Max Ambient Temperature | 125°C |
| LEV | 100V |
| Resistance min | 10Ω |
| Resistance max | 1MΩ |
| Critical Resistance (where applying LEV dissipates Pr) | 100kΩ |
| Best Tolerance | 20% |
| Best TCR | 250ppm/°C |
| Isolation Voltage of Insulation | - |
| RoHS Compliant (if Pb-free) | - |
|---|---|
| RoHS Exemption | - |
| China RoHS (if Pb-free) | - |
| REACH Status (if Pb-free) | - |
| CMRT Conflict Mineral Status | - |
| EMRT Extended Mineral Status | - |
| Termination Finish (if Pb-free) | e3 - Sn matt plated |
| Termination Finish (if Pb-bearing) | Not available |
| How to Specify Pb-Free | All part numbers are Pb-free |
| ECCN | EAR99 |
| Packing | Paper tape & reel |
|---|---|
| Quantity | 5000 |
| Nett Weight Each | 4.7mg |
| Reflow Process | J-STD-020E |
| MSL | 1 |
| 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 | Obsolete |
| EOL Date / YTEOL Estimate | EOL in Apr 2019 |
| Latest PCN Date | 03 Apr 19 |
| Alternative Part Number | - |
| Datasheet | CRT | |
| Application Note | TN001 Advice on Storage Conditions for Fixed Resistors | |
| Application Note | TN003 Methods for Coding Resistor Values in Part Numbers | |
| Application Note | TN005 EIA Standard Values for Resistors | |
| Application Note | TN007 Instant Access to Life Cycle and Obsolete Product Data Online | |
| Product Change Notification | PCNs for CRT |