Resistors
Precision Thin Film
Nichrome Chip Resistors
PCF Series
Precision thin film technology
Extended ohmic range 1R - 3M
Precision to ±0.01% and 2ppm/°C
Passivated range for superior humidity performance
Load life stability and humidity to 0.05%
Pb-free standard with SnPb option
AEC-Q200 grade available
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
Electrical Data - Standard Range
Type
TCR (ppm/°C)
Power (W)
Limiting Element
Voltage (V)
15
50
PCF0201
0.031
25
50
25
15
PCF0402
0.063
10
5
3
2
50
25
15
PCF0603
0.063
10
5
3
2
50
25
15
PCF0805
0.1
10
5
3
2
50
25
15
0.125
PCF1206
10
5
3
2
50
25
15
PCF1210
10
0.2
5
3
2
50
25
15
PCF2010
0.25
10
5
3
2
50
25
15
PCF2512
0.5
10
5
3
2
Note 1: Standard values E24 or E96. Other values may be available by request.
1% & 0.5%
49R9-33K
49R9-5K
0.25%
Ohmic Value Range
1
0.1%
-
10R-205K
25
-
49R9-70K
49R9-12K
49R9-5K
-
49R9-12K
49R9-3K
49R9 - 4K99
2R-1M
50
-
4R7-1M
4R7-332K
4R7-332K
24R9-15K
24R9-100K
24R9 – 15K
1R-2M
100
-
24R9-30K
1R-2M5
150
-
24R9-49K9
1R-2M5
150
-
24R9-50K
1R-3M
150
-
24R9-100K
1R – 3M
150
-
24R9-100K
4R7-3M
4R7-1M
4R7-1M
24R9-500K
-
4R7-3M
4R7-1M
4R7-1M
24R9-500K
-
4R7-2M5
4R7–1M
4R7-2M5
4R7-1M
4R7–1M
24R9-500K
-
4R7-2M
4R7-511K
24R9-200K
-
24R9-200K
-
24R9-200K
-
0.05%
0.01%
-
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.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
05.18
Precision Thin Film
Nichrome Chip Resistors
PCF Series
Electrical Data - AEQ-Q200 Grade - Standard Range
Type
PCF0402…A
TCR
(ppm/ºC)
Power
(W)
0.063
0.063
0.1
0.125
0.25
0.25
0.5
Limiting
Element
Voltage (V)
25
50
100
150
150
150
150
10R – 1M0
10R – 499K
Ohmic Value Range *
1%
0.5%
0.25%
0.1%
0.05%
49R9 – 10K
10R – 49K9
10R – 100K
10R – 200K
50
25
50
PCF0603…A
25
50
PCF0805…A
25
50
PCF1206…A
25
50
PCF1210…A
25
50
PCF2010…A
25
50
PCF2512…A
25
* Standard values E24 or E96.
49R9 – 100K
10R – 332K
Electrical Data – High Power Range
Type
TCR (ppm/°C)
50
25
15
10
5
3
2
50
25
15
10
5
3
2
50
25
15
10
5
3
2
50
25
15
10
5
3
2
50
25
15
10
5
3
2
50
25
15
10
Power (W)
Limiting Element
Voltage (V)
0.5%
0.25%
4R7-1M
4R7-332K
0.1
75
-
1R-1M
0.125
150
-
4R7-332K
4R7-511K
24R9-30K
24R9-30K
4R7-1M
4R7-511K
24R9-200K
4R7-332K
24R9-15K
24R9-15K
24R9-100K
Ohmic Value Range
*
0.1%
0.05%
0.01%
PCF0603H
PCF0805H
4R7-1M
0.25
200
24R9-50K
-
24R9-49K9
24R9-500K
PCF1206H
4R7-1M
0.33
200
24R9-50K
-
24R9-49K9
24R9-500K
PCF1210H
4R7-1M
0.33
200
24R9-50K
-
24R9-49K9
24R9-500K
PCF2010H
PCF2512H
0.75
200
1R-2K
4R7-2K
24R9-2K
* Standard values E24 or E96. Other values may be available by request.
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.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
05.18
Precision Thin Film
Nichrome Chip Resistors
Physical Data
Dimensions (mm) Weight (mg)
Electrical
&
Data - Passivated Range
L
Tmax
A
L
0.6 ± 0.05
TCR
0201
Type
(ppm/ºC)
1.0 ± 0.05
0402
50
1.6 ± 0.2
0603
25
PCF0402P
2.0 ± 0.2
0805
15
3.2 ± 0.2
1206
50
25
1210
PCF0603P
3.2 ± 0.2
15
4.9 ± 0.2
2010
50
6.3 ± 0.2
2512
25
PCF0805P
W
Power
0.3 ± 0.05
(W)
0.5 ± 0.05
0.8 ± 0.2
1.25 ±
0.063
0.2
1.6 ± 0.2
2.6 ± 0.2
0.063
2.4 ± 0.2
3.1 ± 0.2
0.1
Tmax
A
0.26
0.12 ± 0.05
Limiting Element
(V)
0.40
Voltage
0.2 ± 0.1
0.55
0.3 ± 0.2
25
0.4 ± 0.2
0.65
0.65
0.5 ± 0.2
50
0.45 ± 0.2
0.50
0.65
0.5 ± 0.2
0.65
0.5 ± 0.2
100
Ohmic Value Range
TCR
Power
Limiting Element
Type
Ohmic Value Range *
0.05%
Power
Limiting
(ppm/ºC)
(W)
Voltage (V)
0.5%
0.25%
0.1%
TCR
Type
(W)
Element
0.5%
0.25%
0.1%
0.05%
(ppm/ºC)
50
Voltage (V)
25
50
4R7-332K
PCF0603H
0.1
75
15
4R7-1M
25
10
4R7-332K
15
PCF Series
0.1
75
PCF0603H
5
24R9-15K
4R7-332K
10
50
25
4R7-1M
4R7-511K
5
24R9-15K
PCF0805H
15
0.125
150
50
1R-1M
4R7–1M
10
4R7-511K
25
4R7-511K
5
24R9-30K
0.125
150
PCF0805H
15
4R7-1M
50
4R7-511K
10
25
5
24R9-30K
4R7-1M
PCF1206H
0.25
200
15
50
Limiting
Ohmic Value Range *
10
TCR
Power
25
4R7-1M
24R9-50K
Type
Element
5
15
(ppm/ºC)
(W)
0.25
200
PCF1206H
1%
0.5%
0.25%
0.1%
50
Voltage (V)
10
25
5
24R9-50K
50
4R7-1M
15
50
PCF0603H…A
0.1
75
200
10R – 332K
PCF1210H
0.33
25
25
10
4R7-1M
15
50
0.33
200
PCF1210H
5
24R9-50K
PCF0805H…A
0.125
150
10
25
24R9-50K
5
50
50
PCF1206H…A
0.25
200
25
25
0.33
200
15
PCF2010H
10R
4R7-1M
– 1M0
50
Ohmic Value Range *
10
PCF1210H…A
0.33
200
TCR
Power
Limiting Element
5
24R9-50K
25
Type
0.5%
0.25%
0.1%
0.05%
(ppm/ºC)
(W)
Voltage (V)
50
50
25
PCF2010H…A
0.33
200
50
0.75
200
1R-2K
4R7-2K
PCF2512H
25
15
25R-25K
25
PCF0402P
0.063
25
10
15
49R9-12K
* Standard values E24 or
50
Other values may be available by request.
E96.
25R-332K
PCF0603P
25
0.063
50
15
25R-100K
50
10R-800K
PCF0805P
25
0.1
100
Limiting
Ohmic
25R-200K
Value Range *
15
TCR
Power
Element
50
Type
10R-1M
(ppm/ºC)
(W)
Voltage
25
PCF1206P
0.125
150
0.5%
0.25%
0.1%
0.05%
(V)
15
25R-500K
50
50
0.166
100
10R-332K
10R-1M
PCF0603X
25
PCF2010P
25
0.25
150
50
15
25R-500K
0.25
150
10R-500K
PCF0805X
25
50
50
PCF2512P
25
0.5
150
0.333
200
10R-1M
10R-1M
PCF1206X
25
15
25R-500K
50
1
200
1R-100R
4R7-100R
PCF2512X
25
Electrical Data - High Power Range
Electrical Data - High Power Range
0.01%
0.01%
24R9-100K
24R9-100K
24R9-200K
24R9-200K
Electrical Data - AEQ-Q200 Grade – High Power Range
24R9-500K
24R9-500K
0.05%
24R9-500K
10R – 49K9
24R9-500K
10R – 100K
10R – 200K
24R9-500K
Electrical Data - Passivated Range
0.01%
10R – 499K
24R9-2K
Electrical Data - Extended High Power Range
0.01%
* Standard values E24 or E96. Other values may be available by request.
C
0.12 ± 0.05
0.2
0.5%
± 0.1
0.3 ± 0.2
0.4 ± 0.2
0.5 ± 0.2
0.5 ± 0.2
0.6 ± 0.2
0.6 ± 0.2
15
50
Construction
25
10R-1M
0.125
150
PCF1206P
A thin-film material is selectively deposited on a 96% alumina substrate together with metallic contacts at each end of the resistor.
15
50
10R - 1M5
The unadjusted resistors are heat treated to give the required TCR and stability, then a precisely controlled laser trim process adjusts
0.25
150
PCF2010P
the resistance value.
25
Epoxy protection is applied and wrap-around terminations are added and plated with Nickel then Tin. Each
15
25R - 1M
resistor is measured immediately before packing into tape.
50
10R - 1M5
25
0.5
150
PCF2512P
15
25R - 1M
Terminations
The chips are
E24 or E96. Other values may
matte plated wrap-around terminations suitable for soldering.
* Standard values
supplied with 100% Sn
be available by request.
Wt
Ohmic Value Range *
1
0.25%
0.1%
3
6
25R-25K
A
9
49R9-12K
20
L
W
A
25
25R-332K
Wrap-around terminations
36
(3 faces)
55
10R - 1M
C
T
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.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
05.18
Precision Surface
Precision Thin Film
Mount Resistors
Nichrome Chip Resistors
PCF Series
PCF Series
Physical Data
L
0201
0.58 0.05
0402
1.0 0.1
0603
1.6 0.2
0805
2.0 0.2
1206
3.05 0.15
1210
PCF Series
3.10 0.15
2010
4.9 0.2
2512
6.3 0.2
Precision Surface Mount Resistors
Dimensions (mm) and Weight (mg)
W
T max
A
0.29 0.05
0.26
0.15 0.05
0.5 0.05
0.55
0.25 0.15
0.8 0.2
0.65
0.35 0.25
1.25 0.2
0.65
0.4 0.25
1.55 0.15
0.65
0.35 0.25
2.5 0.25
0.65
0.55 0.25
2.4 0.25
0.65
0.55 0.3
3.1 0.25
0.65
0.7 0.45
C
0.12 0.05
0.2 0.15
0.3 0.2
0.3 0.2
0.42 0.2
0.4 0.3
0.6 0.3
0.6 0.3
Wt
0.14
0.54
1.8
4.7
9.0
10
24
38
C
T
A
L
A
W
Wrap-around terminations
(3 faces)
Physical Data
0201
0201
0.58 0.05
0.58 0.05
Construction
A thin-film material is selectively deposited on a 96% alumina substrate together with metallic contacts at each end of the resistor.
The unadjusted resistors are heat treated to give the required TCR and stability, then a precisely controlled laser trim process adjusts
Dimensions (mm) and Weight (mg)
the resistance value. Epoxy protection is applied and wrap-around terminations are added and plated with Nickel then Tin. Each
Dimensions (mm) and Weight (mg)
L
W
T max
A
C
Wt
resistor is measured immediately before packing into tape.
L
W
T max
A
C
Wt
Terminations
1.0 0.1
0402
0.5 0.05
0.55
0.25 0.15
0.2 0.15
0.54
0402
0.5 0.05
0.55
0.25 0.15
0.2 0.15
0.54
1.0 0.1
T
T
The
0603
standard termination is
0.8 0.2
Sn matte plated wrap-around suitable for soldering. SnPb plated option is available for standard
100%
0.65
0.35 0.25
0.3 0.2
1.8
1.6 0.2
0603
0.8 0.2
0.65
0.35 0.25
0.3 0.2
1.8
1.6 0.2
A
range PCF over
2.0 0.2
the
0.2
restricted range below.
A
0805
1.25 0.2
0.65
0.4 0.25
0.3 0.2
4.7
0805
1.25 0.2
0.65
0.4 0.25
0.3 0.2
4.7
2.0
0.29 0.05
0.29 0.05
0.26
0.26
0.15 0.05
0.15 0.05
0.12 0.05
0.12 0.05
0.14
0.14
C
C
Performance Data - Standard Range
SnPb Termination Option Range
Test Parameters
TCR
(ppm/°C)
Power
(W)
1206
1206
1210
1210
2010
2010
2512
2512
3.05
3.05
3.10
3.10
4.9
4.9
6.3
6.3
0.15
0.15
0.15
0.15
0.2
0.2
0.2
0.2
1.55
1.55
2.5
2.5
2.4
2.4
3.1
3.1
0.15
0.15
0.25
0.25
0.25
0.25
0.25
0.25
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
Conditions
0.35
0.35
0.55
0.55
0.55
0.55
0.7
0.7
0.25
0.25
0.25
0.25
0.3
0.3
0.45
0.45
0.42
0.42
0.4
0.4
0.6
0.6
0.6
0.6
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.3
9.0
9.0
10
10
24
24
38
38
L
L
A
A
W
W
Wrap-around terminations
Wrap-around terminations
(3 faces)
(3 faces)
Type
≤0.05%
tolerance
>0.05% tolerance
Chip size
Construction
1%
0.5%
0.25%
0.1%
0603 to 2512
0603 to 2512
0201, 0402
A thin-film material is selectively deposited on a 96% alumina substrate together with metallic contacts at each end of the resistor.
10R – 250K
0.05%
0.25%
0.5%
Load life
1000
the
rated load @
and
The unadjusted resistors are
50
heat treated to give
hours
required TCR
70°C
stability, then a precisely controlled laser trim process adjusts
0.05%
0.3%
0.3%
Humidity
1000
0.1
hours @ 40°C, 90 -
100
95%RH
PCF0805
the resistance value. Epoxy
25
protection is applied and wrap-around terminations are added and plated
–
with Nickel then Tin. Each
10R 100K
resistor
term overload
immediately before packing into tape.
2 x LEV, for 5 sec
0.05%
0.5%
0.5%
Short
is measured
6.25 x rated Power , or
15
10R – 100K
50
10R – 500K
Terminations
0.05%
0.1%
0.1%
Temperature cycle
5 cycles -55 C, 125°C
PCF1206
termination is
25
0.125
wrap-around suitable for soldering. SnPb plated option is available for standard
150
10R – 200K
The standard
100% Sn matte plated
0.05%
0.2%
0.2%
Resistance to solder
restricted range below.
270°C, 10 sec
15
10R – 200K
range PCF over the
heat
Solderability
235°C, 2 sec
95% minimum coverage
High temperature operation
1000 hours at 125°C
0.25%
0.25%
0.25%
Limiting Element
Voltage (V)
Maximum change (+0.05R)
Ohmic Value Range
Performance Data -
- Standard Range
Performance Data
High Power Range/Extended High Power Range
Test Parameters
Test Parameters
Load life
Humidity
Short term overload
Load life
Load life
High temperature operation
Humidity
Humidity
Temperature cycle
Short term overload
Short term overload
Resistance to solder heat
High temperature operation
High temperature operation
Solderability
Temperature cycle
Temperature cycle
Resistance to solder heat
Resistance to solder heat
Solderability
Solderability
Conditions
Conditions
Maximum change (+0.05R)
Maximum change (+0.05R)
Performance Data - Passivated Range
Test Parameters
Load life
Load life
Humidity
Load life
Humidity overload
Humidity
Short term
Short term overload
Short temperature operation
High term overload
High temperature operation
High temperature operation
Temperature cycle
Temperature cycle heat
Temperature cycle
Resistance to solder
Resistance to solder heat
Resistance to solder heat
Solderability
Solderability
Solderability
1000 hours rated load @ 70°C
0.5%
≤0.05%
tolerance
>0.05% tolerance
Chip size
≤0.05%
tolerance
>0.05% tolerance
Chip size
0603 to 2512
0603 to 2512
0.5%
1000hrs @ 40°C, 90 - 95%RH
0201, 0402
0603 to 2512
0603 to 2512
0201, 0402
0.5%
6.25 x rated Power, orload LEV, for 5 sec
2 x @ 70°C
0.05%
0.25%
0.5%
1000 hours rated load @ 70°C
0.05%
0.25%
0.5%
1000 hours rated
0.5%
1000@ 40°C, 90 - 95%RH
hours at 90 - 95%RH
155°C
0.05%
0.3%
0.3%
1000 hours @ 40°C,
0.05%
0.3%
0.3%
1000 hours
0.25%
5 Power ,, or 2 150°Cfor 5 sec
0.05%
0.5%
0.5%
6.25 x ratedcycles -55°C, x LEV, for 5 sec
0.05%
0.5%
0.5%
6.25 x rated Power or 2 x LEV,
0.2%
270°C, at 125°C
sec
0.25%
0.25%
0.25%
1000 hours 10 125°C
0.25%
0.25%
0.25%
1000 hours at
95% minimum coverage
0.05%
235°C, C, 125°C
2 125°C
0.1%
0.1%
5 cycles -55 C, sec
0.05%
0.1%
0.1%
5 cycles -55
0.05%
0.2%
0.2%
270°C, 10 sec
0.05%
0.2%
0.2%
270°C, 10 sec
235°C, 2 sec
95% minimum coverage
235°C, 2 sec
95% minimum coverage
Test Parameters
Conditions
Maximum change (+0.05R)
Performance Data - High Power Range/Extended High Power Range
Conditions
1000 hours rated load @ 70°C
1000 hours rated load- @ 70°C
1000 hours rated load @ 70°C
1000hrs @ 40°C, 90 95%RH
1000hrs @ 40°C, 90 x 95%RH 5 sec
1000hrs Power, or90 - LEV, for
6.25 x rated @ 40°C, 2 - 95%RH
6.25 x rated Power, orat x LEV, for 5 sec
6.25 x rated Power, or 2 125°Cfor 5 sec
1000 hours 2 x LEV,
1000 hours at 155°C
1000 hours at 155°C
5 cycles -55 C, 125°C
5 cycles -55°C, 150°C
5 cycles -55°C, sec
270°C, 10 150°C
270°C, 10 sec
270°C, 10 sec
235°C, 2
235°C, 2 sec
235°C, 2 sec
0603 to 2512
0402
Maximum change (+0.05R)
0.05%
0.25%
0.5%
0.05%
0.5%
0.5%
0.5%
0.5%
0.02%
0.1%
0.5%
0.5%
0.05%
0.5%
0.5%
0.5%
0.02%
0.1%
0.25%
0.25%
0.02%
0.1%
0.2%
0.2% coverage
95% minimum
95% minimum coverage
95% minimum coverage
Performance Data - Passivated
UK
Range
General Note
© Welwyn Components Limited
Bedlington Northumberland NE22 7AA,
© TT Electronics plc
Load life
Load life
Humidity
Humidity
1000 hours rated load @ 70°C
1000 hours rated load @ 70°C
1000hrs @ 40°C, 90 - 95%RH
1000hrs @ 40°C, 90 - 95%RH
TT Electronics reserves the right to make changes in product specification without notice or liability.
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
03.11
Test Parameters
Conditions
Maximum change (+0.05R)
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
http://www.ttelectronics.com/resistors
BI Technologies IRC Welwyn
0402
0402
0.25%
0.25%
0.5%
0.5%
0603 to 2512
0603 to 2512
0.05%
0.05%
0.05%
0.05%
05.18
Performance Data - High Power Range/Extended High Power Range
Load life
1000 hours rated load @ 70°C
Precision Thin Film
Humidity
@ 40°C,
95%RH
Nichrome Chip Resistors
6.251000hrsPower, or 90x-LEV, for 5 sec
Short term overload
x rated
2
High
PCF
temperature operation
Series
Temperature cycle
Resistance to solder heat
Solderability
1000 hours at 155°C
5 cycles -55°C, 150°C
270°C, 10 sec
235°C, 2 sec
Test Parameters
Conditions
Maximum change (+0.05R)
0.5%
0.5%
0.5%
0.5%
0.25%
0.2%
95% minimum coverage
Performance Data - Passivated Range
Test Parameters
Load life
Humidity
Short term overload
High temperature operation
Temperature cycle
Resistance to solder heat
Solderability
Conditions
1000 hours rated load @ 70°C
1000hrs @ 40°C, 90 - 95%RH
6.25 x rated Power, or 2 x LEV, for 5 sec
1000 hours at 125°C
5 cycles -55 C, 125°C
270°C, 10 sec
0
100%
235°C, 2 sec
100%
70
125
155
100%
35%
0%
100%
0%
Maximum change (+0.05R)
0603 to 2512
0.05%
0.05%
0.02%
0.05%
0.02%
0.02%
0402
0.25%
0.5%
0.1%
0.5%
0.1%
0.1%
95% minimum coverage
Derating Curve
© Welwyn Components Limited
Bedlington Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
Temperature Derating
Precision Surface Mount Resistors
PCF Series
100%
80%
60%
40%
20%
0%
0
50
03.11
Proportion of Pr
Standard &
Passivated
High Power
Ranges
Derating Curve
100
150
Ambient Temperature (°C)
Solderability
The terminations have an electroplated nickel barrier and tin coating. This ensures excellent 'leach' resistance properties and
solderability.
Packaging
PCF Resistors are supplied taped and reeled as as per IEC 286-3. Sizes 2010 and 2512 are in embossed plastic tape.
Smaller sizes are in paper tape.
Application Notes
PCF resistors are ideally suited for handling by automatic methods due to their rectangular shape and the small dimensional
tolerances. Electrical connection to a ceramic substrate or to a printed circuit board can be made by reflow or wave soldering of
wrap-around terminations.
Wrap-around terminations provide good leach properties and ensure reliable contact. Due to the robust construction, the PCF can
be immersed in the solder bath for 30 seconds at 260°C. This enables the resistor to be mounted on one side of a printed circuit
board and wire-leaded components applied on the other side.
PCF resistors themselves can operate at a maximum temperature of 125°C (see performance above) (155°C for High Power grades).
For soldered resistors, the joint temperature should not exceed 110°C. This condition is met when the stated power levels at 70°C
are used.
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.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
05.18
Analogue and Mixed Signal
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