Pulse Withstanding
Chip Resistors
PWC Series
•
•
•
•
•
Higher power ratings
Improved working voltage ratings
Excellent pulse withstanding performance
Sn/Pb or Pb-free wrap-around terminations
Standard chip sizes available from 0805 to 2512
Electrical Data
Characteristic
Resistance Range
±1%, ±5%
±0.5%
Power @ 70°C
Max Voltage Rating
Absolute TCR
Operating Temperature
Thermal Impedance
Pad/Trace Area
Termination
220°C/W
40mm
2*
160°C/W
125mm
2*
125mW
150V
500mW
200V
1.0W to 10MW
10W to 1MW
1.0W
400V
2.0W
500V
0805
1206
2010
2512
<6W = 0 – 350ppm;
≥6W
= ±100ppm/°C
-55°C to +155°C
80°C/W
250mm
2*
40°C/W
500mm
2*
Wrap-around Sn/Pb or Pb-free with leach resistant Ni barrier
*Recommended minimum pad and adjacent trace area for each termination for rated power on FR4 PCB.
Environmental Data
Test
Load life at rated power (1000 hours @ 70°C)
Overload (5.0 X rated power for 2512, 6.25 X rated power for other sizes, 5 secs)
High temperature storage (1000 hours @ 155°C)
Moisture resistance
Thermal shock
Resistance to soldering heat
Note
1
: 0.01W added for all resistance values <10W.
Maximum
1
∆R
1.00%
1.00%
1.00%
1.00%
0.25%
0.25%
Typical
∆R
0.25%
0.10%
0.20%
0.25%
0.05%
0.05%
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Advanced Film Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
A subsidiary of
TTelectronics plc
PWC Series Issue January 2009
IRCTT [ IRC - A TT ELECTRONICS COMPANY. ]
