Anti-Surge Wirewound Fast-Fuse MELF Resistor( 3W 300ohm 5%)
SWMT300J300RTKZBK500
Fusible resistor, SMD resistor
Anti-Surge Wirewound Fast-Fuse MELF Resistor(SWMT) 3W 300ohm 5% is the same as SWM series, but specially add fusible function for SWMT series, it can operate at high temperature with long term stability. Anti-Surge Wirewound Fast-Fuse MELF Resistors are used in the electric instruments where anti-surge and fusible function are required.
| Size | Power Rating | Tolerance(%) | TCR(PPM) | Resistance(Ω) | Package |
|---|---|---|---|---|---|
| 0515 | 3W | 5% | -- | 300 | 500/Bulk |
Features
- Granted multination patents
- Enhanced welded spot is reliable against surge
- Fast-acting fuse device for high-power applications
- Advanced combined anti-surge & fast-fuse structure
- Heat dissipation is much better than chip resistor
- Stronger mechanical structure to endure vibration and thermal shock
- Flameproof multi-layer coating equivalent to UL 94 V-0
- Flameproof feature equivalent to overload test UL 1420
- Thermal fuse to protect against overheating in electronic products
- SMD enabled structure
- RoHS / REACH Compliant
Application
- Lighting Device
- Motor start up protection
- Power Supply & power adaptor
- High inrush current protection for power capacitor
- Industrial Automation
Single Surge Performance
Anti-Surge Wirewound Fast-Fuse MELF Resistor - SWMT series,is showing the surge performance from 10uS to 1S.
Surge Power Derating Curve
• SINGLE SURGE PERFORMANCE graph is good for NON REPETITIVE applications operating in an ambient temperature of 70°C or less.
For temperatures above 70°C, the graph power must be derated further linearly down to zero at 150 °C. • To determine applicable surge power in continuous-surge applications: 1. Identify allowable duration and peak power Psurge of single surge; 2. Determine ratio of surge duration/surge OFF time in application; 3. Calculate Papplicable backwardly according to Y-axis of SURGE POWER DERATING CURVE.
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Anti-Surge Wirewound Fast-Fuse MELF Resistor
Anti-Surge Wirewound Fast-Fuse MELF Resistor is the same as SWM series but specially add fusible function.
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