Resistors
Ultra Precision Networks
Ultra Precision Series
Custom schemaꢀcs and values available
Ultra-stable, high stability Tantalum UltrideTM film
Ideal for medical instrumentaꢀon and process controls
Superior biased moisture performance to Nichrome film
No internal solder connecꢀons - Not suscepꢀble to dendriꢀc growth
All Pb-free parts comply with EU Direcꢀve 2011/65/EU amended by (EU) 2015/863 (RoHS3)
The IRC Ultra-Precision Series utilizes our newTantalum Ultride technology
for superior long-term performance in harsh environmentsꢀ Based on the
proven performance of our TaNFilm® technology, our Ultra-Precision Networks maintain their characteristics resulting
in the highest reliability and performanceꢀCompletely manufactured in our state-of-the-art, ISO qualified facility located
in Texas, you can be assured consistent performance, reliability and deliveryꢀ
Electrical Data
DIP-U19xx
1ꢀ00K - 100K
0ꢀ04
SIP-U47xx
1ꢀ00K - 100K
0ꢀ04
FP-U89xx
1ꢀ00K - 50K
0ꢀ025
SON-UN9xx
1ꢀ00K - 50K
0ꢀ025
PFC-UD1206
1ꢀ00K - 50K
0ꢀ025
Resistance Range (W)
Element Power @ 70°C (W)
Absolute Tolerance (%)
Ratio Tolerance (%)
To 0ꢀ02
To 0ꢀ01
To 10
Absolute TCR (ppm/°C)
Tracking TCR (ppm/°C)
Rated Voltage
To
1
PxR not to exceed 50V
<0ꢀ1
√
Voltage Coefficient (ppm/Volt)
Operating Temperature Range (°C)
Film Technology
-55 to +125
Tantalum Ultride™
High Purity Alumina
Substrate
Environmental Data
Test
Method
Noise
MIL-STD - 202 Method 308
<-35 dB
Absolute Thermal Shock
Ratio Thermal Shock
ΔR 0ꢀ01ꢁ
ΔR 0ꢀ03ꢁ
ΔR 0ꢀ02ꢁ
MIL - STD - 202 Method 107, Cond B
MIL - STD - 202 Method 106,
With Bias
Absolute Humidity
Ratio Humidity
ΔR 0ꢀ005ꢁ
Voltage Applied
Absolute Shelf Life
Ratio Shelf Life
Absolute Stability
Ratio Stability
ΔR 0ꢀ01ꢁ
ΔR 0ꢀ002ꢁ
ΔR 0ꢀ02ꢁ
ΔR 0ꢀ005ꢁ
1 year, 25 °C
<65ꢁ RH
70°C - 1000 hours, rated power
General Note
BI Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
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07.21