General Purpose Surface
Resistors
Mounted
Resistors
General
Purpose
Surface
General PurposeResistors
Surface
Mounted
WCR Series
Welwyn Components
Welwyn Components
Mounted Resistors
WCR Series
Excellent reliability
Wide range of sizes and ohmic values
Excellent
reliability
Wrap
around terminations
WCR
Series
Wide range
of sizes
and ohmic
values
Inner
electrode
protection
Excellent reliability
Wrap
around
terminations
Wide range
of sizes
and ohmic values
Inner
electrode
protection
Wrap around
terminations
Inner electrode protection
AEC-Q200 grade available
Electrical Data
All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
0201
Electrical
Data
Power rating @ 70°C
0402
0603
0805
1206
1210
2010
2512
0.1
0.125
0.25
0.5
1.0
0.25
0.05
0.063
watts
Resistance range
ohms 10R to 1M0 1R0 to 1M0
1R0 to 10M
0603
0805
1206
2010
2512
1210
0402
0201
Resistance Range AEC-Q200
10R to 1M0
ohms
0.1
0.125
0.25
0.5
0.05
0.25
0.063
Power ratingLimiting
@ 70°Celement votage
watts
150
25
50
75
2001.0
volts
Resistance range
ohms 10R to 1M0 1R0 to 1M0
1R0 to 10M
100
200
250
TCR*
ppm/°C
Resistance Range AEC-Q200
10R to 1M0
ohms
1
Resistance Tolerance
%
150
25
50
75
Limiting element votage
volts
E24 or E96 200
Standard values
100
200
250
TCR*
ppm/°C
-55 to 155
Ambient temperature range
°C
1
Resistance Tolerance
%
1.5
2
0.5
1
Zero-ohm Jumper Chip Rating
amps
E24 or E96
Standard values
10K, 100K
>100K, 1M0
>1M0
E96 1% components that can not be marked with 4 digits
will be marked with a standard 3 digit code. Details can be
supplied upon request.
Noise
dB
-10
0
+15
+20
+30
Solvent Resistance
The protective epoxy lacquer and marking are resistant to all
normal industrial cleaning fluids suitable for printed circuits.
Performance Data
Maximum Change
0201
0402
0603
Load: 1000 hrs at 70°C
R% 10R-100K : 1 4R7-100K : 1 1R-100K : 1
Shelf life: 12 months at room temp.
R%
0805
1206
1210
2010
2512
1R-100K : 1
>100K : 2
1R-100K : 1
>100K : 2
1R-100K : 1
>100K : 2
3% + 0.1R
0.2
0.2
0.2
0.2
>100K : 2
>100K : 2
>100K : 2
1R-100K : 1
>100K : 2
0.2
0.2
0.2
0.2
zero @ 155 °C
Derate linearly to zero from 70°C
R%
2
2
2.5
2.5
2.5
2.5
2.5
5
Max voltage
volts
50
100
100
200
400
400
400
400
Climatic
R%
3
3
3
3
3
3
3
3
Short term overload (6.25 x rated power)
Climatic Catagory
55/125/56
1
Long term damp heat
R%
Temperature rapid change
R%
1
1
1
1
1
1
1
1
Resistance to solder heat
R%
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Vibration and bump
R%
1
1
1
1
1
1
1
1
500
500
500
500
Noise
see table 1
Insulation resistance
ohms
Voltage proof
volts
> 1G
100
300
500
Packaging
Packaging
All chips in 1210 size and smaller are tape mounted and supplied on standard 8mm paper tape, 2010 size on 12mm paper
All chips are tape mounted and supplied on standard 8mm
Resistor Labstock
tape or plastic tape, and 2512 size on 12mm plastic tape reel, as Chip
IEC publication
286-3. For Designers
tape reel, as IEC publication 286-3.
WCR
chip
resistors
are available in a special package of the most
180mm (7 inch) reel is standard
180mm (10
(7 inch)
standard
carriesthe
5,000
pieces.
popular sizes containing 50 each of the E24 values.
250mm
inch)reel
reeliscarrying
double
standard
quantity
(Except 0402 carries 10,000 pieces)
Please contact the sales desk for full details of this excellent
can be supplied by agreement.
Note: For zero ohm jumper chips use the dummy value & tolerance code R005J
General Note
BI Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information
subject
TT Electronics’
own data
is considered
time of going to print.· Website: www.welwyn-tt.com
Telephone:
+44is (0)
1670to822181
· Facsimile:
+44 and
(0) 1670
829465accurate
· Email:atinfo@welwyn-tt.com
© Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK
Issue D · 01.11
07.03
www.ttelectronics.com/resistors
© TT Electronics plc
05.21
General Purpose Surface
Mounted Resistors
WCR Series
Ordering
Procedure
Ordering
Procedure
This product has two valid part numbers:
European (Welwyn) Part Number: WCR1206-10KFI (1206, 10 kilohms ±1%, Pb-free)
W
C
R
1
2
1
0
6
-
1
0
2
K
3
1
2
3
4
Type
Size
Value1
Tolerance1
E24 = 3 characters
E96 = 4 characters
R = ohms
K = kilohms
M = megohms
F = ±1%
WCR 0201
0402
0603
0805
1206
1210
2010
2512
F
I
4
5
5
Grade / Packing
I = Standard
A = AEC-Q200 grade 2
Both grades use standard
packing as follows:
0201
0402
0603, 0805,
1206, 1210
2010, 2512
20000/reel
10000/reel
5000/reel
4000/reel
Note 1: For zero ohm jumper chips use the dummy value & tolerance code R005J
Note 2: AEC-Q200 grade on resistor chips is not available in 0201 size.
USA (IRC) Part Number: WCR-WCR1206LF-1002-F-P-LT
W
C
R
-
W
1
R
1
2
2
21
Family Model
WCR
C
WCR
0
6
L
3
F
-
(1206, 10 kilohms ±1%, Pb-free)
1
0
4
0
5
2
-
F
-
P
-
6
L
T
7
3
4
5
6
7
Size
Termination
Value
Tolerance
Packing
0201
0402
0603
0805
1206
1210
2010
2512
LF = Pb-free
3 digits + multiplier
R = ohms for values
很抱歉,暂时无法提供与“WCR0805-10KFI”相匹配的价格&库存,您可以联系我们找货
免费人工找货