Ultra Precision Networks
Ultra Precision Series
• Custom schematics and values available
• Ultra-stable, high stability Tantalum UltrideTM film
• Ideal for medical instrumentation and process controls
• Superior biased moisture performance to Nichrome film
• No internal solder connections - Not susceptible to dendritic growth
The IRC Ultra-Precision Series utilizes our new Tantalum Ultride technology
for superior long-term performance in harsh environments. Based on the
proven performance of our TaNFilm® technology, our Ultra-Precision Networks maintain their characteristics resulting
in the highest reliability and performance. Completely manufactured in our state-of-the-art, ISO qualified facility located
in Texas, you can be assured consistent performance, reliability and delivery.
Electrical Data
DIP-U19xx
SON-UN9xx
PFC-UD1206
1.00K - 100K
1.00K - 50K
1.00K - 50K
1.00K - 50K
0.04
Element Power @ 70°C (W)
FP-U89xx
1.00K - 100K
Resistance Range (W)
SIP-U47xx
0.04
0.025
0.025
0.025
Absolute Tolerance (%)
To ±0.02
Ratio Tolerance (%)
To ±0.01
Absolute TCR (ppm/°C)
To ±10
Tracking TCR (ppm/°C)
To ±1
√ PxR not to exceed 50V
Rated Voltage
Voltage Coefficient (ppm/Volt)
<0.1
Operating Temperature Range (°C)
-55 to +125
Tantalum Ultride™
Film Technology
Substrate
High Purity Alumina
Environmental Data
Test
Noise
Method
MIL-STD - 202 Method 308
Absolute Thermal Shock
Ratio Thermal Shock
Absolute Humidity
Ratio Humidity
MIL - STD - 202 Method 107, Cond B
MIL - STD - 202 Method 106,
With Bias
Voltage Applied
Absolute Shelf Life
1 year, 25 °C
<65% RH
Ratio Shelf Life
Absolute Stability
Ratio Stability
70°C - 1000 hours, rated power
<-35 dB
ΔR ±0.01%
ΔR ±0.03%
ΔR ±0.02%
ΔR ±0.005%
ΔR ±0.01%
ΔR ±0.002%
ΔR ±0.02%
ΔR ±0.005%
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.
© 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
A subsidiary of
TT electronics plc
Ultra Precision Series Issue May 2010 Sheet 1 of 6
Ultra Precision Networks
Physical Data and Electrical Schematics - Flat Pack
U 8989
14
0.075″ Max
13
12
11
10
9
8
A
R1
R2
1
R3
2
R4
3
R5
4
R6
R7
5
6
7
12
11
10
U 8999
16
0.305″ Max
included miniscus
0.825″ Max
15
14
13
9
0.250″ ± .010″
R1
0.030″ max miniscus
typ
0.300″ ± .050″
R2
1
2
R5
R4
R3
3
4
R6
5
R7
6
R8
7
8
# of
leads
0.375″ ± .010″
16
0.390″ ± .020″
0.250″ ± .010″
0.017″ ± .002″
0.050″ ± .005″
Dimension A
14
0.005″ ± .001″
Physical Data and Electrical Schematics - SON
Dimension
C
Pin 1
16-Pad Model
UN99x
A
BOTTOM
H
N
14-Pad
Model UN98x
0.027″
0.027″
0.027″
B
TOP
8-Pad
Model UN95x
0.028″
0.028″
0.028″
SIDE VIEW
B
A
0.050″
0.050″
0.050″
0.006R
0.006R
0.006R
0.018″
0.018″
0.018″
J
F
0.17″
0.025″
F
L
0.17″
0.025″
H
J
G
E
0.17″
0.025″
G
H
W
C
E
Pin 1
0.040″
0.040″
0.040″
L
0.300″
0.35″
0.40″
N
0.050″
0.050″
0.050″
W
Wrap around terminations 60/40
plated / nickel barrier
0.21″
0.21″
0.21″
Tolerances unless noted otherwise: .XXX is ±0.005″
.XX is ±0.010″
R1
7
R2
1
6
R3
2
U N999
U N989
U N959
8
5
R4
3
14
R1
4
13
R2
1
12
R3
2
11
R4
3
10
R5
4
9
R6
5
8
R7
6
16
R1
7
15
R2
1
14
2
R5
R4
R3
3
12
13
4
11
R6
5
10
R7
6
9
R8
7
8
© 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
Ultra Precision Series Issue May 2010 Sheet 3 of 6
