TaNFilm® Microwave
Chip Resistor
IRC Advanced Film Division
MWR Series
• Long life self passivating TaNFilm® element
• Low absolute TCR to ±25ppm/°C
• Performance characterized to 40GHz
• Wire-bonded, ribbon-bonded or solder mounted
• Flip chip mounting – keeps resistor element in the same plane as circuit
The MWR series is specifically designed for transmission line termination
at high frequencies. Characterized for high frequency performance to 40GHz, the MWR series provides
superior terminator performance to generic “off-the-shelf” chip resistors.
Constructed with IRC’s proprietary TaNFilm® self passivating thin film resistive element, the MWR series chips
possess the rugged environmental characteristics proven through decades of the most demanding military,
space, telecommunications, computer, medical and networking applications.
Available with a choice of solderable or bondable termination finishes, the MWR series termination chips are
suitable for solder attachment as well as chip and wire or ribbon attached hybrid circuits. Back side mounting
is facilitated by an optional gold finish.
For demanding microwave/RF transmission line termination applications in harsh environments, select the
IRC MWR series of high frequency termination chips.
Electrical Data
Environmental Data
MWC01
250mW
125mW
Performance
Test Per MIL-PRF-55342
40°C
70°C
Power Rating
Typical
Max
Ohmic Value
50Ω, 75Ω, 100Ω
±10%, ±5%, ±2%, ±1%
-55°C to 100°C
Thermal Shock
±0.02% ±0.10%
Available DC Tolerances
Low Temperature Operation
Short-time Overload
High Temperature Exposure
Effects of Solder
±0.01% ±0.05%
±0.01% ±0.05%
±0.03% ±0.10%
±0.01% ±0.10%
±0.03% ±0.10%
±0.03% ±0.10%
Operating Temperature Range
Termination
60/40 Sn/Pb
or Gold
Substrate
99.6% Alumina
50V
Maximum Operating Voltage
(not to exceed P x R )
Moisture Resistance
Life
√
Stray Distributed Capacitance
<0.05pF
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.
A subsidiary of
TT electronics plc
© IRC Advanced Film Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
MWR Series Issue June 2008 Sheet 1 of 2