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Read MoreSurge/Pulse protection is essential for all circuit designs. SWR series , size from 0402-2512, Tolerance 5%~10%, 1ohm~20Mohm. More circuit design is becoming more critical. Surge/Pulse protection is essential for all circuit designs. Viking’s SWR series, untrimmed on resistance layer remains the superior pulse and ESD withstanding resistor is suitable for protection of electronic circuits against extreme pulses and surges. Resistors withstand the pulse or surge are required in the circuit where large current is instantaneously applied or ESD is applied. Surge means overload like ESD or high voltage with short duration. Anti-Surge resistors can prevent the damage from large power instantaneously applied.
Item Type | Power Rating at 70°C | Operating Temp. Range | Max. Operating Voltage | Max. Overload Voltage | Resistance Range | TCR (PPM/°C) | ||
---|---|---|---|---|---|---|---|---|
±5% (E24) | ±10% (E24) | ±20% (E24) | ||||||
SWR02 (0402) | 1/5W | -55 ~ +155°C | 50V | 100V | 1Ω -20Ω | ±300 | ||
22Ω - 1MΩ | ±100 | |||||||
SWR03 (0603) | 1/8W | -55 ~ +155°C | 50V | 100V | 1Ω - 270Ω | ±200 | ||
300Ω - 1MΩ | ±100 | |||||||
SWR05 (0805) | 1/4W | -55 ~ +155°C | 150V | 300V | 1Ω - 270Ω | ±200 | ||
300Ω - 20MΩ | ±100 | |||||||
SWR06 (1206) | 1/3W | -55 ~ +155°C | 200V | 400V | 1Ω - 20Ω | ±200 | ||
22Ω - 20MΩ | ±100 | |||||||
SWR13 (1210) | 1/2W | -55 ~ +155°C | 200V | 400V | 1Ω - 20Ω | ±200 | ||
22Ω - 20MΩ | ±100 | |||||||
SWR10 (2010) | 3/4W | -55 ~ +155°C | 400V | 800V | 1Ω - 20Ω | ±200 | ||
22Ω - 20MΩ | ±100 | |||||||
SWR12 (2512) | 1.5W | -55 ~ +155°C | 500V | 1000V | 1Ω - 20Ω | ±200 | ||
22Ω - 20MΩ | ±100 |
Operating Voltage=√(P*R) or Max. Operating Voltage listed above, whichever is lower.
Overload Voltage=2.5*√(P*R) or Max. Overload Voltage listed above, whichever is lower.
The power rating depends on the maximum temperature of the resistive element. Due to the power dissipation of the resistor, the temperature of the resistive element will rise depending on the condition of heat dissipation from PCB. The maximum power rating in application only applies if the temperature of the resistive element is not exceed 155 ° C.
☑ Viking is capable of manufacturing the optional spec based on customer's requirement.
The single impulse graph is the result of 50 impulses of rectangular shape applied at one-minute intervals. The limit of acceptance was a shift in resistance of less than 1% from the initial value. The power applied was subject to the restrictions of the maximum permissible impulse voltage graph shown.
The continuous load graph was obtained by applying repetitive rectangular pulses where the pulse period was adjusted so that the average power dissipated in the resistor was equal to its rated power at 70°C. Again the limit of acceptance was a shift in resistance of less than 1% from the initial value.
Resistors are tested in accordance with IEC 60115-1 using both 1.2/50us and 10/700 pulse shapes. The limit of acceptance is a shift in resistance of less than 1% from the initial value.
Image | Size | Tolerance | TCR (ppm /℃) | Power | Resistance (Ohm) | Package | Files Download | Action |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0010) | 0402 | 0.05 | 300 | 1/5W | 1 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP1R10) | 0402 | 0.05 | 300 | 1/5W | 1.1 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP1R20) | 0402 | 0.05 | 300 | 1/5W | 1.2 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP1R30) | 0402 | 0.05 | 300 | 1/5W | 1.3 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP1R50) | 0402 | 0.05 | 300 | 1/5W | 1.5 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP1R60) | 0402 | 0.05 | 300 | 1/5W | 1.6 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP1R80) | 0402 | 0.05 | 300 | 1/5W | 1.8 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0020) | 0402 | 0.05 | 300 | 1/5W | 2 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP2R20) | 0402 | 0.05 | 300 | 1/5W | 2.2 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP2R40) | 0402 | 0.05 | 300 | 1/5W | 2.4 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP2R70) | 0402 | 0.05 | 300 | 1/5W | 2.7 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0030) | 0402 | 0.05 | 300 | 1/5W | 3 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP3R30) | 0402 | 0.05 | 300 | 1/5W | 3.3 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP3R60) | 0402 | 0.05 | 300 | 1/5W | 3.6 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP3R90) | 0402 | 0.05 | 300 | 1/5W | 3.9 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP4R30) | 0402 | 0.05 | 300 | 1/5W | 4.3 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP4R70) | 0402 | 0.05 | 300 | 1/5W | 4.7 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP5R10) | 0402 | 0.05 | 300 | 1/5W | 5.1 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP5R60) | 0402 | 0.05 | 300 | 1/5W | 5.6 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP6R20) | 0402 | 0.05 | 300 | 1/5W | 6.2 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP6R80) | 0402 | 0.05 | 300 | 1/5W | 6.8 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP7R50) | 0402 | 0.05 | 300 | 1/5W | 7.5 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP8R20) | 0402 | 0.05 | 300 | 1/5W | 8.2 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP9R10) | 0402 | 0.05 | 300 | 1/5W | 9.1 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0100) | 0402 | 0.05 | 300 | 1/5W | 10 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0110) | 0402 | 0.05 | 300 | 1/5W | 11 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0120) | 0402 | 0.05 | 300 | 1/5W | 12 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0130) | 0402 | 0.05 | 300 | 1/5W | 13 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0150) | 0402 | 0.05 | 300 | 1/5W | 15 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0160) | 0402 | 0.05 | 300 | 1/5W | 16 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0180) | 0402 | 0.05 | 300 | 1/5W | 18 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTGP0200) | 0402 | 0.05 | 300 | 1/5W | 20 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0220) | 0402 | 0.05 | 100 | 1/5W | 22 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0240) | 0402 | 0.05 | 100 | 1/5W | 24 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0270) | 0402 | 0.05 | 100 | 1/5W | 27 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0300) | 0402 | 0.05 | 100 | 1/5W | 30 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0330) | 0402 | 0.05 | 100 | 1/5W | 33 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0360) | 0402 | 0.05 | 100 | 1/5W | 36 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0390) | 0402 | 0.05 | 100 | 1/5W | 39 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0430) | 0402 | 0.05 | 100 | 1/5W | 43 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0470) | 0402 | 0.05 | 100 | 1/5W | 47 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0510) | 0402 | 0.05 | 100 | 1/5W | 51 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0560) | 0402 | 0.05 | 100 | 1/5W | 56 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0620) | 0402 | 0.05 | 100 | 1/5W | 62 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0680) | 0402 | 0.05 | 100 | 1/5W | 68 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0750) | 0402 | 0.05 | 100 | 1/5W | 75 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0820) | 0402 | 0.05 | 100 | 1/5W | 82 | 10K/Reel | Add to List |
Surge Withstanding Chip Resistor (SWR Series SWR02JTEP0910) | 0402 | 0.05 | 100 | 1/5W | 91 | 10K/Reel | Add to List |
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