PCF1206H
PCF1206H
Precision Thin Film Nichrome Chip Resistors
PCF1210H
0.33
200
PCF1210H
0.33
200
PCF Series
Type
Electrical Data -
0.33
Passivated Range
200
PCF2010H
Power
(W)
0.063
Limiting Element
Voltage (V)
0.5%
PCF0402P
Electrical Data - AEQ-Q200 Grade – High Power Range
0.75
200
1R-2K
4R7-2K
PCF2512H
25R-25K
25
15
Limiting
* Standard values E24 or
50
Other values may be available by request.
E96.
TCR
Power
Type
Element
(ppm/ºC)
(W)
PCF0603P
25
0.063
50
Voltage (V)
15
50
50
0.1
75
PCF0603H…A
PCF0805P
25
0.1
100
25
Limiting
15
50
TCR
Power
Element
50
0.125
150
PCF0805H…A
Type
25
(ppm/ºC)
(W)
Voltage
25
PCF1206P
0.125
150
50
(V)
15
0.25
200
PCF1206H…A
50
25
50
0.166
100
PCF0603X
25
PCF2010P
25
0.25
150
50
50
0.33
200
PCF1210H…A
15
0.25
150
PCF0805X
25
25
50
50
50
0.333
200
PCF1206X
PCF2512P
25
0.5
150
25
0.33
200
PCF2010H…A
25
15
50
1
200
PCF2512X
25
15
50
10
25
5
15
50
10
25
5
15
50
25
10
15
5
10
5
50
25
15
10
TCR
5
(ppm/ºC)
50
25
50
15
25
10
0.25
0.25
200
200
4R7-1M
24R9-50K
24R9-50K
4R7-1M
4R7-1M
24R9-500K
24R9-500K
24R9-500K
24R9-50K
24R9-50K
4R7-1M
24R9-500K
Ohmic Value Range *
0.25%
24R9-50K
0.1%
0.05%
0.01%
24R9-2K
Electrical Data - Extended High Power Range
10R – 332K
10R-800K
0.5%
0.25%
1%
0.5%
49R9-12K
Ohmic Value Range *
25R-332K
0.25%
25R-100K
Ohmic
25R-200K
Value Range *
0.1%
0.05%
10R – 49K9
10R – 100K
0.01%
10R – 200K
10R-1M
0.1%
25R-500K
0.05%
10R-332K
10R – 1M0
10R-1M
25R-500K
10R-500K
10R-1M
10R-1M
1R-100R
4R7-100R
10R – 499K
25R-500K
Physical Data
Dimensions (mm) Weight (mg)
Electrical
&
Data - Passivated Range
L
Tmax
A
W
TCR
Power
0.6 ± 0.05
0.3 ± 0.05
0201
Type
(ppm/ºC)
0.5 ± 0.05
(W)
1.0 ± 0.05
0402
50
1.6 ± 0.2
0.8 ± 0.2
0603
25
0.063
PCF0402P
2.0 ± 0.2
1.25 ± 0.2
0805
15
3.2 ± 0.2
1.6 ± 0.2
1206
50
3.2 ± 0.2
25
2.6 ± 0.2
1210
0.063
PCF0603P
15
4.9 ± 0.2
2.4 ± 0.2
2010
50
6.3 ± 0.2
3.1 ± 0.2
2512
25
0.1
PCF0805P
* Standard values E24 or E96. Other values may be available by request.
15
50
Construction
25
10R-1M
0.125
150
PCF1206P
15
A thin-film material is selectively deposited on a 96% alumina substrate together with metallic contacts at each end of the resistor.
50
The unadjusted resistors are heat treated to give the required TCR and stability, then a precisely controlled laser trim process adjusts
10R - 1M5
25
0.25
150
PCF2010P
the resistance value.
15
Epoxy protection is applied and wrap-around terminations are added and plated with Nickel then Tin. Each
25R - 1M
resistor is measured immediately before packing into tape.
50
10R - 1M5
25
0.5
150
PCF2512P
15
25R - 1M
Terminations
* Standard values
supplied with 100% Sn
be available by request.
The chips are
E24 or E96. Other values may
matte plated wrap-around
Limiting Element
0.26
0.12 ± 0.05
Voltage
0.2 ± 0.1
(V)
0.40
0.55
0.3 ± 0.2
25
0.4 ± 0.2
0.65
0.65
0.5 ± 0.2
0.50
0.45 ± 0.2
50
0.65
0.5 ± 0.2
0.65
0.5 ± 0.2
100
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
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
terminations suitable for soldering.
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
www.ttelectronics.com/resistors
© TT Electronics plc
07.19
Precision
Film Nichrome Chip Resistors
Precision Thin
Surface Mount 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
PCF Series
PCF Series
1210
3.10 0.15
2010
4.9 0.2
2512
6.3 0.2
Precision Surface Mount Resistors
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)
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
Dimensions (mm) and Weight (mg)
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
L
W
T max
A
C
Wt
L
W
T max
A
C
Wt
C
resistor is measured immediately before packing into
0.15 0.05
tape.
0201
0.29 0.05
0.26
0.12 0.05
0.14
0.58 0.05
C
0201
0.29 0.05
0.26
0.58 0.05
0402
0.5 0.05
0.55
1.0 0.1
0402
0.5 0.05
0.55
1.0 0.1
Terminations
0603
0.8 0.2
0.65
1.6 0.2
0603
0.8 0.2
0.65
1.6 0.2
The standard termination is 100% Sn matte plated
0805
1.25 0.2
2.0 0.2
0805
over the restricted range below.
0.65
1.25 0.2
0.65
2.0 0.2
range PCF
1206
1.55 0.15
0.65
3.05 0.15
1206
1.55 0.15
0.65
3.05 0.15
1210
2.5 0.25
0.65
3.10 0.15
1210
2.5 0.25
0.65
3.10 0.15
2010
2.4 0.25
0.65
4.9 0.2
2010
2.4 0.25
0.65
4.9 0.2
2512
3.1 0.25
0.65
6.3 0.2
2512
3.1 0.25
0.65
6.3 0.2
0.15 0.05
0.12 0.05
0.25 0.15
0.2 0.15
0.25 0.15
0.2 0.15
0.35 0.25
0.3 0.2
0.35 0.25
0.3 0.2
wrap-around suitable for
0.4 0.25
0.3 0.2
0.4 0.25
0.3 0.2
0.35 0.25
0.42 0.2
0.35 0.25
0.42 0.2
0.55 0.25
0.4 0.3
0.55 0.25
0.4 0.3
0.55 0.3
0.6 0.3
0.55 0.3
0.6 0.3
0.7 0.45
0.6 0.3
0.7 0.45
0.6 0.3
0.14
0.54
0.54
1.8
1.8
soldering.
4.7
4.7
9.0
9.0
10
10
24
24
38
38
Physical Data
SnPb plated option is available for standard
A
A
L
L
A
A
W
W
Wrap-around terminations
Wrap-around terminations
(3 faces)
(3 faces)
T
T
Performance Data - Standard Range
SnPb Termination Option Range
Test Parameters
Conditions
Maximum change (+0.05R)
Power
TCR
Limiting Element
Ohmic Value Range
Construction
Construction
Type
(W)
≤0.05%
tolerance
>0.05% tolerance
Chip size
(ppm/°C)
deposited on a 96% alumina substrate together with
1%
Voltage (V)
0.5%
0.25%
0.1%
A thin-film material is selectively deposited on a 96% alumina substrate together with metallic contacts at each end of the
2512
A thin-film material is selectively
metallic contacts at each end of the resistor.
0603 to
resistor.
0603 to 2512
0201, 0402
The unadjusted resistors are heat treated to give the required TCR and stability, then a precisely controlled laser trim process adjusts
The unadjusted resistors are heat treated
1000 hours rated load
TCR and stability, then a precisely controlled laser trim process adjusts
to give the required
@ 70°C
50
10R – 250K
0.05%
0.5%
Load life
the resistance value. Epoxy protection is applied and wrap-around terminations
0.25%
are added and plated with Nickel then Tin. Each
the resistance value. Epoxy protection is
1000
0.1
and
40°C, 90 -
100
terminations
0.3%
applied
@
wrap-around
are added and plated with Nickel then Tin. Each
0.05%
0.3%
Humidity
hours
95%RH
PCF0805
25
10R – 100K
resistor is measured immediately before packing into tape.
resistor is measured immediately before packing into tape.
Terminations
operation
50
Terminations
0.25%
0.25%
0.25%
High temperature
1000 hours at 125°C
10R – 500K
The standard termination is 100% Sn matte plated wrap-around suitable for soldering. SnPb plated
–
option is available for standard
The standard termination
25
100% Sn matte plated wrap-around suitable for soldering. SnPb plated option is available for standard
is
10R 200K
0.05%
0.1%
0.1%
Temperature cycle
5 cycles -55 C, 125°C
0.125
150
PCF1206
range PCF over the restricted range below.
range PCF
to solder heat
over the restricted range below.
15
10R – 200K
0.05%
0.2%
0.2%
Resistance
270°C, 10 sec
Short term overload
15
6.25 x rated Power , or 2 x LEV, for 5 sec
0.5%
0.5%
10R – 100K
0.05%
Performance Data - Standard Range
Performance Data
High Power Range
Performance Data -
- Standard Range
Test Parameters
Test Parameters
Test Parameters
Load life
Humidity
Load life
Load life
Short term overload
Humidity
Humidity
High temperature operation
Short term overload
Short term overload
Temperature cycle
High temperature operation
High temperature operation
Resistance to solder heat
Temperature cycle
Temperature cycle
Solderability
Resistance to solder heat
Resistance to solder heat
Solderability
Solderability
Solderability
235°C, 2 sec
95% minimum coverage
Conditions
Conditions
Conditions
1000 hours rated load @ 70°C
1000hrs @ 40°C, 90 - 95%RH
1000 hours rated load @ 70°C
1000 hours rated load @ 70°C
6.25 x rated Power, or 2 x LEV, for 5 sec
1000 hours @ 40°C, 90 - 95%RH
1000 hours @ 40°C, 90 - 95%RH
1000 hours at 155°C
6.25 x rated Power , or 2 x LEV, for 5 sec
6.25 x rated Power , or 2 x LEV, for 5 sec
51000 hours at 150°C
cycles -55°C,
1000 hours at 125°C
125°C
270°C, 10 sec
5 cycles -55 C, 125°C
5 cycles -55 C, 125°C
235°C, 2 sec
270°C, 10 sec
270°C, 10 sec
235°C, 2 sec
235°C, 2 sec
>0.05% tolerance
>0.05% tolerance
0603 to 2512
0603 to 2512
0.25%
0.25%
0.3%
0.3%
0.5%
0.5%
0.25%
0.25%
0.1%
0.1%
0.2%
0.2%
Maximum change (+0.05R)
Maximum change (+0.05R)
Maximum change (+0.05R)
Performance Data - Passivated Range
Performance Data - High Power Range
Performance
Data High
Conditions
Range
Performance
Data -
-
High Power Range
Power
Test Parameters
Test Parameters
Test Parameters
Load life
Load life
Load life
Humidity
Humidity
Humidity
Short term overload
Short term overload
Short term overload
High temperature operation
High temperature operation
High temperature operation
Temperature cycle
Temperature cycle
Temperature cycle
Resistance to solder heat
Resistance to solder heat
Resistance to solder heat
Solderability
Solderability
Solderability
≤0.05%
tolerance
Chip size
≤0.05%
tolerance
Chip size
0.5%
0603 to 2512
0201, 0402
0603 to 2512
0201, 0402
0.5%
0.05%
0.5%
0.05%
0.5%
0.5%
0.05%
0.3%
0.05%
0.3%
0.5%
0.05%
0.5%
0.05%
0.5%
0.25%
0.25%
0.25%
0.25%
0.25%
0.2%
0.05%
0.1%
0.05%
0.1%
95% minimum coverage
0.05%
0.2%
0.05%
0.2%
95% minimum coverage
95% minimum coverage
Conditions
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 - 95%RH
1000hrs @ 40°C, 90 95%RH
6.25 xxrated Power, or 2 xxLEV, for 5 sec
6.25 x rated Power, or 2 x LEV, for 5 sec
6.25 rated Power, or 2 LEV, for 5 sec
1000 hours at 125°C
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, 150°C
270°C, 10 sec
270°C, 10 sec
270°C, 10 sec
235°C, 2 sec
235°C, 2 sec
235°C, 2 sec
Maximum change (+0.05R)
Maximum change (+0.05R)
0603 to 2512
0402
Maximum change (+0.05R)
0.05%
0.05%
0.02%
0.05%
0.02%
0.02%
0.25%
0.5%
0.5%
0.5%
0.5%
0.5%
0.1%
0.5%
0.5%
0.5%
0.5%
0.5%
0.1%
0.25%
0.25%
0.1%
0.2%
0.2%
95% minimum coverage
95% minimum coverage
95% minimum coverage
Performance Data - Passivated Range
General Note
© Welwyn Components Limited
Bedlington Northumberland NE22 7AA, UK
Load life
©
Load life
TT Electronics plc
Humidity
Humidity
Short term overload
Short term overload
1000 hours rated load @ 70°C
1000 hours rated load @ 70°C
1000hrs @ 40°C, 90 - 95%RH
1000hrs @ 40°C, 90 - 95%RH
6.25 x rated Power, or 2 x LEV, for 5 sec
6.25 x rated Power, or 2 x LEV, for 5 sec
Test
1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
change (+0.05R)
Maximum change (+0.05R)
TT Electronics reserves
Parameters
changes in product specification
Conditions
liability.
without notice or
Test
the right to make
Conditions
Maximum
Telephone: +44 (0)
Parameters
03.11
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
0603 to 2512
0402
www.ttelectronics.com/resistors
0603 to 2512
0402
0.05%
0.05%
0.05%
0.05%
0.02%
0.02%
0.25%
0.25%
0.5%
0.5%
0.1%
0.1%
07.19
BI Technologies IRC Welwyn
Performance Data - High Power Range
Test Parameters
Humidity
Short term overload
High temperature operation
PCF Series
cycle
Temperature
Resistance to solder heat
Solderability
Conditions
1000hrs @ 40°C, 90 - 95%RH
6.25 x rated Power, or 2 x LEV, for 5 sec
1000 hours at 155°C
5 cycles -55°C, 150°C
270°C, 10 sec
235°C, 2 sec
Maximum change (+0.05R)
0.5%
0.5%
0.5%
0.5%
0.25%
0.2%
95% minimum coverage
Load life
1000 hours rated
Precision Thin Film Nichrome Chip Resistors
load @ 70°C
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
235°C,
0
sec
100%
2
100%
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
70
100%
100%
125
35%
0%
Derating Curve
155
0%
© 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
Precision Surface Mount Resistors
PCF Series
100%
80%
60%
40%
20%
0%
0
50
Temperature Derating
03.11
Proportion of Pr
Standard &
Passivated
High Power
Range
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
www.ttelectronics.com/resistors
© TT Electronics plc
07.19
Switching Power Supply Study Group
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