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0.063 ±0.004
W0603
W0805
0.081 ±0.005
W0805
W1206
Precision 0.126 ±0.15)
Thin Film
(3.2 ±0.006
Chip Resistors
W1206
(1.6 ±0.1)
(2.06 ±0.13)
0.081 ±0.005
0.126 ±0.006
(3.2 ±0.15)
(0.79±0.1)
0.031 ±0.004
0.05  ±0.1)
0.05 ±0.13)
(0.79 ±0.005
(1.27 ±0.005
(1.27±0.13)
(1.6 ±0.13)
0.063 ±0.005
0.063 ±0.005
(1.6 ±0.13)
0.02  ±0.1)
0.02 ±0.1)
0.02 ±0.15)
(0.51 ±0.004
(0.51 ±0.006
(0.51 ±0.006
(0.51±0.15)
(0.61 ±0.1)
0.024 ±0.004
0.024 ±0.004
(0.61 ±0.1)
(0.3±0.13)
(0.3 ±0.13)
(0.38 ±0.2)
0.012 ±0.005
0.015 ±0.008
0.015 ±0.008
(0.38±0.2)
0.025 ±0.01
(0.64 ±0.01
0.025 ±0.25)
(0.64 ±0.25)
(0.38±0.13)
(0.38 ±0.13)
(0.41 ±0.2)
0.015 ±0.005
0.016 ±0.008
0.016 ±0.008
(0.41±0.2)
0.025 ±0.01
(0.64 ±0.01
0.025 ±0.25)
(0.64 ±0.25)
Ordering Procedure
PFC Series
Ordering Procedure
This product has two valid part numbers:
This product has two valid part numbers:
European (Welwyn) Part Number: W1206R-01-1K0BI (1206, 100ppm/°C, 1 kilohm ±0.1%, Pb-free)
European (Welwyn) Part Number: W1206R-01-1K0BI (1206, 100ppm/°C, 1 kilohm ±0.1%, Pb-free)
W 1 2 0 6 R - 0 1 - 1 K 0 B I
1
W
1
2 2 0
6
R
- 3 0
1
-
1
4
K
0
5
B
I 6
1
2
3
4
5
6
1
1
Type
2
2
Size
3
3
TCR
4
4
Value
5
5
Tolerance
6
6
Termination & Packing
W=PFC 0402
0603
0805
Value
Type Size
W=PFC 0402
0603
0805
1206
1206
TCR
R-12 ±10ppm/°C
R-12 = ±10ppm/°C
R-11 = ±15ppm/°C
==±15ppm/°C
= = ±50ppm/°C
R-11 ±25ppm/°C
R-02 ±25ppm/°C
R-02   ±50ppm/°C
R-01 = ±100ppm/°C
R-01 = ±100ppm/°C
E96
E24 = 3/4 characters
E24 = 3/4 characters
=ohms
E96 = R 3/4 characters
K R = = kilohms
kilohms
M K = = megohms
M = megohms
Q                        ==±0.02%            Pb-free, & pack
Tolerance I Termination Standard Packing
A ±0.05% SnPb
B ±0.1% = sizes Standard
±0.5% B
±1%
Q = ±0.02% PB I = = Pb-free, finish, Standard pack pack
A = ±0.05% PB All SnPb finish, 1000/reel pack
D = ±0.1% All sizes 1000/reel
D F = = ±0.5%
±2%F
J ±5%
G = ±1%
G = ±2%
J = ±5%
USA (IRC) Commercial Part Number: PFC-W1206LF-01-1001-B (1206, 100ppm/°C, 1 kilohm ±0.1%, Pb-free)
USA (IRC) Commercial Part Number: PFC-W1206LF-01-1001-B (1206, 100ppm/°C, 1 kilohm ±0.1%, Pb-free)
P F C - W 1 2 0 6 L F - 0 1 - 1 0 0 1 - B
P
F 1
C
-
W
1
2 2
0
6
L
F 3
-
0 4 1
-
1
0 5 0
1
-
6
B
1
2
3
4
5
6
1
2
3
4
5
6
1 2
Family Model
3
Termination
4
TCR
5
Value
6
Tolerance
Packing
PFC
SnPb (60/40)
±0.02%
values ohms ohms A = ±0.05%
= Pb-free (100%Sn)
03 = = ±25ppm/°C
D = = ±0.1%
values <100 ohms
W0805
B
ASLF = Anti-sulfur &
USA (IRC) Mil Screened Part Number*: PFC-W1206R-05-1001-B (1206, 100ppm/°C, = 1 ±5%
kilohm ±0.1%, Pb-free)
Model =                                                                   +                QPFC                            SnPb(60/40) TCR =±0.02%       sizes
Family W0402 R Termination 12 = ±10ppm/°C 3 digits Value multiplier Tolerance All Packing 1000/reel
W0402       ==                            12   ±15ppm/°C                                 AR= +ohmsfor
11 ±25ppm/°C W0603
W0603 LF R Pb-free (100%Sn) 11 = ±10ppm/°C 3 digits multiplier Q = ±0.05% All sizes 1000/reel
W0805 LF ASLF = Anti-sulfur & 03 = ±15ppm/°C ±0.1%
W1206 Pb-free (100%Sn) 02 ±50ppm/°C ±0.5%
±1%02   ±50ppm/°C
W1206 Pb-free (100%Sn) 01 = ±100ppm/°C D F = = ±0.5%
±2%F
01 = ±100ppm/°C G = ±1%
J   ±5%
G = ±2%
J
USA (IRC) Mil Screened Part Number*: PFC-W1206R-05-1001-B (1206, 100ppm/°C, 1 kilohm ±0.1%, Pb-free)
P F C - W 1 2 0 6 R - 0 5 - 1 0 0 1 - B
P
F 1
C
-
W
1
2 2
0
6
R 3
-
0 4 5
-
1
0 5 0
1
-
B 6
1
1
2
3
2
3
4
4
5
5
6
6
1 2
Family Model
3
Termination
4
TCR
5
Value
6
Tolerance
Packing
W0603
W0805
15 = ±10ppm/°C 3 digits + multiplier
16
14 = ±20ppm/°C values <100 ohms
14 = ±20ppm/°C values <100 ohms
07 = ±25ppm/°C
05 = ±100ppm/°C
A = ±0.02% All sizes 1000/reel
Q
A = ±0.05%
D = = ±0.5%
G = ±2%
= SnPb (60/40) PFC Model
Family W0402 R Termination
W0603
PFC W0402 R = SnPb (60/40)
W0805
W1206
W1206
TCR +
16 = ±10ppm/°C 3 digits Value multiplier
= ±15ppm/°C R = ohms for
15 = ±15ppm/°C R = ohms for
06   ±50ppm/°C
07 = ±25ppm/°C
06 = ±50ppm/°C
05 = ±100ppm/°C
04 = ±300ppm/°C
04 = ±300ppm/°C
Q=±0.02%       sizes
Tolerance All Packing 1000/reel
= ±0.05%
B = ±0.1%
B    ±0.5%
D = ±0.1%
F ±1%
F     ±2%
G = = ±1%
J = ±5%
J = ±5%
* Please refer to the PFC Military datasheet to order parts qualified to MIL-PRF-55342.
* Please refer to the PFC Military datasheet to order parts qualified to MIL-PRF-55342.
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
1.14
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