eneral Purpose Thick Film
General Purpose
Thick Film
hip Resistor
Chip Resistor
Series
TCR down to ±100ppm/°C
erances to ±0.5%
ohm jumpers available
Zero
R down to ±100ppm/°C
range from 1Ω to 10MΩ
Wide ohmic
WCR Series
o ohm jumpers available
with RoHS compliant terminations
Now supplied
Tolerances to ±0.5%
e ohmic range from
to ±100ppm/°C
TCR down
1 to 10M
Zero ohm jumpers available
w supplied with RoHS compliant terminations
Wide ohmic range from 1 to 10M
Now supplied with RoHS compliant terminations
General Purpose Thick Film
·
Tolerances to ±0.5%
Chip Resistor
WCR Series
Organic
Protection
·
·
·
·
Wrap-
around
termination
Organic
Protection
Wrap-
around
termination
Glass
Passivation
Nickel
Barrier
Nickel
Barrier
Glass
Element
Passivation
Thick Film
Element
Thick Film
ectrical Data
Data
Electrical
IRC
TCR
Type
(ppm/°C)
WCR0201
±300
TCR
(ppm/°C)
±300
±200
RC
ype
Ohmic
Ohmic Range (
Range ( )
±5%
10R - 91R
)
±5%
±1%
±1%
R0201
10R - 91R
100R - 10M
10R - 97R6
10R - 97R6
100R - 1M
Maximum
Maximum
Maximum
Operating
Operating
Rated Power
Maximum
Rated Power
Working
Overload
Temperature
Working
Overload
Temperatur
@ 70°C
@ 70°C
Voltage
Voltage
Voltage
Range
Voltage
Range
(milliwatts)
(milliwatts)
(V)
(V)
(°C)
(V)
(V)
(°C)
50
25
50
±200
WCR0402
±400
100R - 10M
- 10R
±400
1R0
±200
1R0
±100
±400
±200
11R
- 10R
- 10M
N/A
1R0 - 10R
100R - 1M
1R0 - 10R
11R - 100R
1R0 - 10R
101R - 1M0
1R0 - 10R
50
63
50
25
100
50
R0402
±200
±100
WCR0603
±400
WCR0805
11R - 10M
N/A
11R - 100R
63
100
50
50
100
100
11R - 10M
101R - 1M0
11R - 100R
101R - 1M0
1R0 - 10R
±100
1R0
±400
±200
±100
- 10R
N/A
1R0 - 10R
11R - 10M
N/A
R0603
±200
11R - 10M
N/A
11R - 100R
1R0 - 10R
±100
101R - 1M0
101R - 1M0
1R0
1R0 - 10R
- 10R
11R - 100R
125
100
150
50
200
100
±400
WCR1206
±200
1R0
±400
±200
11R
±100
±400
- 10R
- 10R
1R0
N/A
1R0 - 10R
-55 to +155
250
125
200
R0805
11R
- 10M
- 10M
11R
11R - 100R
- 100R
150
400
200
±100
±400
WCR1210
±200
WCR2010
N/A
101R - 1M0
101R - 1M0
1R0 - 10R
250
200
400
1R0
±200
±100
11R
±400
±200
±100
- 10R
- 10M
11R
- 10M
N/A
1R0 - 10R
11R - 10M
1R0 - 10R
11R - 100R
11R
101R - 1M0
- 100R
101R - 1M0
1R0 - 10R
11R - 100R
-55 to +155
400
R1206
250
500
200
200
400
±100
N/A
±400
1R0 - 10R
N/A
N/A
1R0 - 10R
101R - 1M0
11R - 100R
101R - 1M0
R1210
±200
WCR2512
±100
11R
±400
±200
±100
- 10M
- 10R
11R
1R0 - 10R
- 100R
1R0
11R - 10M
N/A
101R - 1M0
250
1000
200
200
400
400
±400
±200
General Note
1R0 - 10R
1R0 - 10R
R2010
11R - 10M
11R - 100R
- 1M0
500
200
400
A subsidiary of
TT electronics plc
IRC reserves
Note
liability.
General
the right to make changes in product specification without notice or
101R
±100
N/A
TT electronics reserves the right to make changes in product specification without notice or liability.
©
information is subject
Division
All
IRC Advanced Film
to TT electronics’ own data and is considered accurate at time of going to print.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
±400
1R0 - 10R
1R0 - 10R
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
R2512
© TT electronics plc
±200
11R - 10M
11R - 100R
1000
200
400
10. 11
General Purpose
Thick Film Chip Resistor
WCR Series
General Purpose Thick Film
Chip Resistor
Environmental Data
Test Conditions
Short Time Overload
Temperature Cycling
Test Method
5 seconds
2.5 X Rated Power
5 Cycles
-55°C to +125°C
240 Hours
40°C ±2°
90-95% RH
1000 Hours
70°C ±3°
1.5 hours on
30 minutes off
1000 Hours
-55°C ±3°
10 ±1 Seconds
260°C ±5°
3 ±0.5 Seconds
235°C ±5°
Max Change (5%)
±2.0% +0.1
±1.0% +0.1
Max Change (1%)
±1.0% +0.1
±0.5% +0.1
Humidity
±3.0% +0.1
±1.0% +0.1
Load Life
±3.0% +0.1
±1.0% +0.1
Low Temperature Exposure
Effects of Solder Heat
Solderability
±1.0% +0.1
±1.0% +0.1
95% Min Coverage
±1.0% +0.1
±1.0% +0.1
95% Min Coverage
Physical Data (inches)
L
a
TOP
W
BO TT OM
SIDE
b
H
Model
WCR0201
WCR0402
WCR0603
WCR0805
WCR1206
WCR1210
WCR2010
WCR2512
© IRC Advanced Film Division
L
0.024±0.002
0.039±0.004
0.063±0.004
0.079±0.006
0.125±0.006
0.126±0.004
0.197±0.004
0.248±0.004
W
0.012±0.002
0.020±0.002
0.032±0.006
0.049±0.006
0.061±0.006
0.102±0.006
0.098±0.006
0.126±0.006
H
0.009±0.002
0.014±0.002
0.020±0.004
0.020±0.004
0.024±0.004
0.024±0.004
0.024±0.004
0.024±0.004
a
0.005±0.002
0.008±0.004
0.012±0.008
0.016±0.008
0.018±0.008
0.020±0.010
0.023±0.010
0.023±0.010
b
0.006±0.002
0.010±0.004
0.012±0.008
0.012±0.008
0.018±0.008
0.020±0.008
0.020±0.008
0.020±0.008
General Note
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.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
10. 11
General Purpose
Thick Film Chip Resistor
WCR Series
General Purpose Thick Film
Chip Resistor
Power Derating Chart
100
% Of Rated P ower
50
10
25°
70°
155°
Temperature in °C
Packaging Reel Physical Data
Size
0201
0402
A
B
60mm ±1
Tape
Paper
Paper
Paper
Paper
Paper
Paper
Paper
Plastic
Qty
15K
20K
5K
5K
5K
5K
4K
4K
A
(mm)
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
B
(mm)
C
(mm)
W
(mm)
10.0±1
10.0±1
10.0±1
10.0±1
10.0±1
10.0±1
13.8±1
13.8±1
13.0±0.5 21.0±0.5
13.0±0.5 21.0±0.5
13.0±0.5 21.0±0.5
13.0±0.5 21.0±0.5
13.0±0.5 21.0±0.5
13.0±0.5 21.0±0.5
13.0±0.5 21.0±0.5
13.0±0.5 21.0±0.5
0603
0805
1206
C
1210
ø178mm ±2
2010
W
2512
Ordering Data
Sample Part Number
Model
WCR - WCR1206LF - 1001 - F - P - LT
WCR00201LF, WCR0402LF, WCR0603LF, WCR0805LF
WCR1206LF, WCR1210LF, WCR2010LF, WCR2512LF
Resistance
3-digit resistance code for tolerances G and J.
4-digit resistance code for tolerances F and D.
Tolerance
J = ±5%, G = ±2%, F = ±1%, D = ±0.5%
Tape Type
P = Paper, E = Plastic
Tape & Reel Packaging
For additional information or to discuss your specific requirements,
please contact our Applications Team using the contact details below.
© IRC Advanced Film Division
General Note
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.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
10. 11
