Lifecycle:
Active (Growth)
Brand:
Welwyn
Series:
WCM
Series | WCM |
---|---|
Application | Surge / pulse |
Mounting | SMD - solder |
Package | MELF |
Technology | Carbon film |
Approval | None |
Example MPN | WCM0204-2K49GT3 |
Termination Options | Pb-free |
Power | 0.25W |
---|---|
Rated Ambient Temperature | 70°C |
De-rate to 0W Ambient Temperature | 155°C |
Max Ambient Temperature | 155°C |
LEV | 200V |
Resistance min | 7.5Ω |
Resistance max | 10MΩ |
Critical Resistance (where applying LEV dissipates Pr) | 160kΩ |
Tolerance | 2% |
TCR | 350ppm/°C |
Isolation Voltage of Insulation | 284V |
RoHS Compliant (if Pb-free) | Yes (see below) |
---|---|
RoHS Exemption | None |
China RoHS (if Pb-free) | Compliant |
REACH Status (if Pb-free) | Reviewed to 235 SVHCs (see below) |
CMRT Conflict Mineral Status | Rev 6.22 Next update May 2023 (see below) |
EMRT Extended Mineral Status | No EMRT available |
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 | Plastic tape & reel |
---|---|
Quantity | 3000 |
Nett Weight Each | 0.02g |
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 | Dec 2019 |
---|---|
Lifecycle | Active (Growth) |
EOL Date / YTEOL Estimate | 5 years or more. (Reviewed May 23) |
Latest PCN Date | No PCNs |
Alternative Part Number | - |