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WCR1206-12K1FA

Description
Thick Film Resistors - SMD
CategoryPassive components    The resistor    Film resistor    Thick film resistor, SMD   
File Size661KB,4 Pages
ManufacturerWelwyn Components (TT Electronics)
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WCR1206-12K1FA Overview

Thick Film Resistors - SMD

WCR1206-12K1FA Parametric

Parameter NameAttribute value
MakerWelwyn Components (TT Electronics)
Product CategoryThick Film Resistors - SMD
seriesWCR
resistance12.1 kOhms
Power rating250 mW (1/4 W)
Tolerance1 %
Temperature Coefficient100 PPM / C
Minimum operating temperature- 55 C
Maximum operating temperature+ 155 C
Voltage rating200 V
shell code - in1206
Shell code - mm3216
FeaturesZero Ohm Jumpers
EncapsulationReel
high0.55 mm
length3.1 mm
Package/box-
productThick Film Resistors SMD
technologyThick Film
Termination typeSMD/SMT
width1.55 mm
Installation stylePCB Mount
Factory packaging quantity5000
General Purpose Surface
Resistors
Mounted Resistors
General Purpose Surface
Mounted Resistors
General Purpose Surface
WCR Series
Mounted Resistors
Excellent reliability
WCR Series
Excellent reliability
WCR Series
Wrap around terminations
Wide range of sizes and ohmic values
Inner electrode protection
Excellent reliability
Wrap
range of sizes and ohmic values
Wide
around terminations
Inner electrode protection
Wrap around terminations
Inner electrode protection
AEC-Q200 grade available
Wide range of sizes and ohmic values
Welwyn Components
Welwyn Components
Electrical Data
Electrical
rating @ 70°C
Data
Power
All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
0201
0402
0603
0805
1206
1210
2010
2512
0.1
0.125
0.25
0.5
1.0
0.05
0.25
0.063
watts
Resistance range
ohms 10R to 1M0 1R0 to 1M0
1R0 to 10M
0603
0805
1206
2010
2512
1210
0402
0201
150
25
50
75
Limiting element votage
volts
200
0.1
0.125
0.25
0.5
1.0
0.05
0.063
Power ratingTCR*
@ 70°C
watts
100 0.25
200
250
ppm/°C
Resistance range
ohms 10R to 1M0 1R0 to 1M0
1R0 to 10M
1
Resistance Tolerance
%
150
25
50
75
Limiting element votage
volts
200
E24 or E96
Standard values
100
200
250
TCR*
ppm/°C
-55 to 155
Ambient temperature range
°C
1
Resistance Tolerance Jumper Chip Rating %
Zero-ohm
amps
1.5
2
0.5
1
E24 or E96
Standard values
<50
Zero-ohm Jumper Chip Resistance milliohms
-55 to 155
Ambient temperature range
°C
* Notes – TCR for low values 1R to 10R: -400 to +600ppm/ºC, 11R to 100R: ±200ppm/ºC
Zero-ohm Jumper Chip Rating
amps
1.5
2
0.5
1
TCR for high values 3M3 to 10M: ±300ppm/º
<50
Zero-ohm Jumper Chip Resistance milliohms
Physical Data
Dimensions (mm)
Physical Data
L
Style
* Notes – TCR for low values 1R to 10R: -400 to +600ppm/ºC, 11R to 100R: ±200ppm/ºC
TCR for high values 3M3 to 10M: ±300ppm/º
The chips have a high alumina substrate (96% minimum) with
a ruthenium oxide resistance element and silver palladium,
Figure
Construction
and tin plated terminations. A glazed protection coat
1
nickel
The chips have a high alumina substrate (96% minimum) with
is applied to the resistive element (See Fig.1)
a ruthenium oxide resistance element and silver palladium,
Terminations
nickel and tin plated terminations. A glazed protection coat
Solderability
The terminations meet the requirements of
is applied to the resistive element (See Fig.1)
IEC 115-1, Clause 4.17.3.2.
Terminations
Strength
The terminations meet requirements of
Solderability
The terminations meet the requirements of
IEC 68.2.21.
IEC 115-1, Clause 4.17.3.2.
Strength
The terminations meet requirements of
IEC 68.2.21.
General Note
W
0.6 ± 0.03
0.3 ± 0.03
0201
Dimensions (mm)
1.0 ± 0.1
0.5 ± 0.05
0402
L
T
1.6 ± W
0.1
Style
0.8 ± 0.1
0603
0.6 ± 0.03
2.0 ± 0.15
0.3 ± 0.03 1.25 0.23 ± 0.03
0201
+ 0.15 -0.1
0805
1.0 ± 0.1
3.1 ± ± 0.05 1.55 0.35 ± 0.05
0.5 0.15
0402
+ 0.15 -0.1
1206
1.6 ± 0.1
0.45 ±
3.1 ± ±0.1
0.8 0.1
0603
2.6 ± 0.2 0.1
1210
2.0 ± 0.15
0.55 ±
5.0 ± 0.1
1.25 + 0.15 -0.1 2.5 ± 0.20.1
0805
2010
3.1 ± 0.15 1.55 + 0.15 -0.1 3.2 ± 0.20.1
0.55 ±
6.35 ± 0.1
1206
2512
3.1 ± 0.1
0.55 ± 0.1
2.6 ± 0.2
1210
5.0 ± 0.1
0.55 ± 0.1
2.5 ± 0.2
2010
Construction
± 0.2
6.35 ± 0.1
0.55 ± 0.1
3.2
2512
T
0.23 ± 0.03
0.35 ± 0.05
0.45 ±C
0.1
0.1 ± 0.05
0.55 ± 0.1
0.2 0.1
0.55 ± ± 0.1
0.3 0.2
0.55 ±±0.1
0.4 0.1
0.55 ± ± 0.2
0.45 ± 0.2
0.55 ± 0.1
0.5 ± 0.25
0.60 ± 0.25
0.60 ± 0.25
C
0.1 ± 0.05
0.2 ± 0.1
A
0.3 ± 0.2
0.15 ± 0.05
0.4 ± 0.2
0.25 ± 0.1
0.45 ± 0.2
0.3 ± 0.2
0.5 ± 0.25
0.4 ± 0.2
0.60 ± 0.25
0.45 ± 0.2
0.60 ± 0.25
0.5 ± 0.2
0.5 ± 0.2
0.5 ± 0.2
A
0.15 ± 0.05
0.25 ± 0.1
0.3 ± 0.2
0.4 ± 0.2
0.45 ± 0.2
0.5 ± 0.2
A
0.5 ± 0.2
0.5 ± 0.2
C
T
A
L
C
A T
W
L
Wrap-around terminations
(3 faces)
W
A
Figure 1
Wrap-around terminations
(3 faces)
Tin Plating
Epoxy Melamine
Protection
Nickel Barrier
Glass Dielectric
Silver
Dipped Conductor
Resistance Element
Palladium
Epoxy Melamine
Protection
Glass Dielectric
Silver
Resistance Element
Palladium
96% min Alumina Substrate
96% min Alumina Substrate
Tin Plating
Nickel Barrier
Dipped Conductor
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
General
Note
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
General
Note
Welwyn Components
the right to make changes in
changes
specification
specification without notice or liability.
Telephone: +44 (0) 1670 make
product
in product
without notice or
Email:
TT Electronics reserves
reserves the right to 822181 · Facsimile: +44 (0) 1670 829465 ·
liability.
info@welwyn-tt.com · Website: www.welwyn-tt.com
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
Iss 07.03
A subsidiary of
TT electronics plc
www.ttelectronics.com/resistors
Iss 07.03
11.18
A subsidiary of
TT electronics plc
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
© TT Electronics plc
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

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