CR02M580.02A - Page 1 of 3
Product Family:
Part Number Series:
Ultra Reliable Chip Resistor
UCR
Series (Ultra Tight Tolerance)
Construction:
High Purity Alumina Substrate
Ni alloy thin-film resistive element
SiO2 protective barrier
Wrap around electrodes
100% matte tin over Ni terminations
Anti-Sulfur
Features:
0603, 0805 and 1206 sizes
TCR’s to ±2 ppm/°C
Tolerances to 0.01%
SiO2 barrier provides exceptional
stability and reliability, Automotive Grade
High volume production suitable for
commercial and special applications
Description:
These ultra precision, highly stable precision chip resistors are perfect for demanding applications where high reliability
and environmental stability is a must, such as automotive or test and measure applications. The incorporation of a SiO2
protective barrier protects the products and allows for a very stable product with excellent long term reliability.
Product Dimensions:
Dimension
L
W
H
T1
T2
UCR0603
(1608)
0.063 ±0.008
0.031 ±0.008
0.016 ±0.004
0.012 ±0.008
0.012 ±0.008
UCR0805
(2012)
0.079 ±0.008
0.049 ±0.008
0.016 ±0.004
0.016 ±0.008
0.016 ±0.008
UCR1206
(3216)
0.126 ±0.008
0.063 ±0.008
0.016 ±0.004
0.018 ±0.008
0.016 ±0.008
All dimensions are shown in inches. Metric case sizes are
shown in parenthesis.
Part Numbering:
Ex: UCR0805M2002T-T05
Product
Designator
Size W x L
(English)
0603
0805
1206
Temp. Coefficient
of Resistance
(TCR)
L = ±2ppm/°C
M = ±5ppm/°C
Resistance Value
Resistance
Tolerance
T = ±0.01%
Q = ±0.02%
A = ± 0.05%
B = ±0.10%
D = ±0.50%
T&R Packaging
Quantity
-T05 = 500
-T1 = 1,000
(see note)
UCR
4 digits with the first 3
being significant. The
last digit specifies the
number of zeros.
Note: Refer to available package sizes in the Electrical Specifications section of this document. When requesting
quotes or ordering parts, it is not necessary to add the T&R package quantity (-T##) to the end of the part number.
This will be added by us based on the quantity ordered.
Thin Film Technology Corp. / 1980 Commerce Drive, North Mankato, MN 56003 (USA) / (507) 625-8445 /
www.thin-film.com
CR02M580.02A - Page 2 of 3
Electrical Specifications:
Type
Power Rating @ 70°C
UCR0603
1/16 Watt
±0.01% (T)
±0.02% (Q)
± 0.05% (A)
±0.10% (B)
±0.50% (D)
100 ~ 7.5k
UCR0805
1/10 Watt
±0.01% (T)
±0.02% (Q)
± 0.05% (A)
±0.10% (B)
±0.50% (D)
100 ~ 36k
E-24, E-96 Values
UCR1206
1/4 Watt
±0.01% (T)
±0.02% (Q)
± 0.05% (A)
±0.10% (B)
±0.50% (D)
100 ~ 68k
Tolerance% (code)
Resistance Range (Ω)
Resistance Offering
TCR ppm/°C (code)
Max Operating Voltage
Operating Temperature
Packaging
±2 (L)
±5 (V)
100 V
±2 (L)
±5 (V)
150 V
-55°C ~ 155°C
±2 (L)
±5 (V)
200 V
500pcs/reel (T05)
1,000 pcs/reel (T1)
500pcs/reel (T05)
1,000 pcs/reel (T1)
500pcs/reel (T05)
1,000 pcs/reel (T1)
Reliability Specifications:
Test
Test Method
Typical ΔR Limits
Short Time Overload
Applied voltage: 2.5X rated voltage or 2X maximum operating voltage, whichever is less.
Test duration: 5 seconds
Test Temperature: 70°C
Applied voltage: rated voltage
Test period: 2000 hours with power cycling as follows:
90 min. power ON/30 min. power OFF,
Test Condition: 85°C/85% RH
Applied voltage: 1/10 rated power
Test period: 2000 hours with power cycling as follows:
90 min. power ON/30 min. power OFF
Repeat 100 cycles as follows:
-65°C(30 min.) / Room temp (2 min) /
+150°C(30 min.) / Room temp (2 min)
+155°C for 100 hours with no load
± 0.02%
Load Life
± 0.02%
Moisture Load Life
± 0.05%
Temperature Cycle
High Temperature
Exposure
± 0.02%
± 0.02%
Load Life Test Data for 3,000Hrs @ 70°C at Rated Power:
Thin Film Technology Corp. / 1980 Commerce Drive, North Mankato, MN 56003 (USA) / (507) 625-8445 /
www.thin-film.com
CR02M580.02A - Page 3 of 3
Typical TCR Curve and Thermal Characteristic of Resistance:
Power Derating Curve:
Recommended Mounting Footprints:
Thin Film Technology Corp. / 1980 Commerce Drive, North Mankato, MN 56003 (USA) / (507) 625-8445 /
www.thin-film.com
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