Lifecycle:
Not Recommended for New Designs
Brand:
Welwyn
Series:
WSM
Series | WSM |
---|---|
Application | General purpose |
Mounting | SMD - solder |
Package | SMD formed metal terminal |
Technology | Wirewound |
Approval | None |
Example MPN | WSM2-1K0FI or WSM21001FLTR |
Termination Options | Pb-free |
Power | 2W |
---|---|
Rated Ambient Temperature | 70°C |
De-rate to 0W Ambient Temperature | 275°C |
Max Ambient Temperature | 275°C |
LEV | 100V |
Resistance min | 0.01Ω |
Resistance max | 1kΩ |
Critical Resistance (where applying LEV dissipates Pr) | Out of Range: -Ω |
Tolerance | 1% |
TCR | 20ppm/°C |
Isolation Voltage of Insulation | 1kV |
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 | 800 |
Nett Weight Each | - |
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 | Not Recommended for New Designs |
EOL Date / YTEOL Estimate | 2 years or less. (Reviewed May 23) |
Latest PCN Date | No PCNs |
Alternative Part Number | - |
Datasheet | WSM | |
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 | 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 | |
Brochure | Resistors Shorform Catalogue | |
Compliance | Bedlington ISO 9001 | |
Compliance | Bedlington Quality Policy | |
Compliance | Bedlington ISO 14001 2015 | |
Compliance | Bedlington Env Policy | |
Compliance | Bedlington ISO 45001 2018 | |
Compliance | Bedlington Health and Safety Policy | |
Compliance | RoHS WSM | |
Compliance | REACH Statement Bedlington | |
Compliance | CMRT Conflict Mineral Bedlington | |
Compliance | Proposition 65 Declaration Bedlington | |
Compliance | TSCA Statement Bedlington | |
Compliance | Tin Whisker Report |