DATA SHEET
SHUNT RESISTOR
PU series
5%, 1%
sizes
2512/ 3921/ 5931
RoHS compliant & Halogen free
Product specification – October 31, 2018 V.6
-
Product specification
2
9
Chip Resistor Surface Mount
PU
SERIES
2512/ 3921/ 5931
SCOPE
This specification describes shunt
resistor PU series with lead-free
terminations made by welding
technology.
APPLICATIONS
Power
Telecom base station
Automotive (Headlight/
Window control/ Engine control
unit/ Steering control…)
Alternative energy
FEATURES
AEC-Q200 qualified
Resistance value down to
0.0002Ω and high power up to
10W
Welding metal plate
construction
ORDERING INFORMATION - GLOBAL PART NUMBER
Global part numbers are identified by the series, size, tolerance, packing
type, temperature coefficient, taping reel and resistance value.
GLOBAL PART NUMBER
PU XXXX X X X XX XXXX L
(1)
(2) (3) (4)
(5)
(6)
(7)
(1) SIZE
2512/ 3921/ 5931
(2) TOLERANCE
F = ± 1%
J = ± 5%
(3) PACKAGING TYPE
K = Embossed taping reel
(4) TEMPERATURE COEFFICIENT OF RESISTANCE
M = ± 75 ppm/°C
N = ± 175 ppm/°C
G = ± 200 ppm/°C
H = ± 225 ppm/°C
O = ± 325 ppm/°C
(5) TAPING REEL
13 = 13 inch Dia. reel, standard power, 4W for 2512, 3W for 3921 and 5W for 5931
P5 = 5W , 13 inch Dia. reel
P6 = 6W , 13 inch Dia. Reel
P7 = 7W , 13 inch Dia. reel
P9 = 9W , 13 inch Dia. reel
T3 = 3W , High temperature 13 inch Dia. reel
T5 = 5W , High temperature 13 inch Dia. reel
PA = 10W, 13 inch Dia. reel
(6) RESISTANCE VALUE
0.2 mΩ to 5 mΩ
There are 3~5 digits indicated the resistance value. Letter R/ U is decimal point.
Detailed coding rules of resistance are shown in the table of “Resistance rule of
global part number”.
(7) DEFAULT CODE
Letter L is the system default code for ordering only.
(Note)
Resistance rule of global part
number
Resistance code rule
Example
0RXXX
0UX
0R001 = 1 mΩ
0U2 = 0.0002
Ω
ORDERING EXAMPLE
The ordering code of a PU3921,
value 0.0005Ω with
±1%
tolerance, 3W and high
temperature(275°C) supplied in
13-inch tape reel is :
PU3921FKNT30U5L
NOTE
1. All our RSMD products are RoHS compliant. "LFP" of the internal 2D reel label mentions
"Lead-Free Process"
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Oct. 31, 2018 V.6
-
Product specification
3
9
Chip Resistor Surface Mount
MARKING
PU2512
PU
SERIES
2512/ 3921/ 5931
No marking
Fig. 1
Value = 0.2mΩ
PU3921/ 5931 -
0.2mΩ , 0.3mΩ , 0.5mΩ
4 digits
The "m" is used as a decimal point ; the other 3 digits are significant
and the unit is milliohm
Fig. 2
Value = 0.2mΩ
0.2mΩ to 0.5mΩ
PU3921/ 5931 - 1~5m
Ω
4 digits
The "R" is used as a decimal point ; the other 3 digits are significant
Fig. 3
Value = 1mΩ
1mΩ to 5mΩ
OUTLINES AND DIMENSION
Fig. 4-1
Chip resistor outlines
Table 1-1
TYPE
PU2512
PU3921
PU5931
For outlines, please refer to Fig. 3-1
L (mm)
6.35± 0.25
10.0± 0.25
15.0± 0.25
W (mm)
3.18± 0.25
5.20± 0.25
7.75± 0.25
H (mm)
0.35± 0.15
0.50± 0.13
0.50± 0.13
I1 (mm)
1.14± 0.25
2.00± 0.25
4.00± 0.25
Resistance Value
T (mm)
Thickness
PU3921
PU5931
PU2512
0.2m
Ω
---
1.35± 0.13
1.33± 0.13
0.3 m
Ω
0.95± 0.13
1.00± 0.13
0.4m
Ω
---
--
0.5 m
Ω
0.84± 0.13
0.60± 0.13
1 m
Ω
0.43± 0.13
0.43± 0.13
0.33± 0.13
2 m
Ω
0.66± 0.13
0.72± 0.13
0.49± 0.13
3 m
Ω
0.44± 0.13
0.48± 0.13
0.33± 0.13
4 m
Ω
0.33± 0.13
0.36± 0.13
0.25± 0.13
5 m
Ω
0.31± 0.13
0.25± 0.13
---
1.35± 0.13 1.05 ± 0.13 0.86± 0.13
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Oct. 31, 2018 V.6
-
Product specification
4
9
Chip Resistor Surface Mount
PU
SERIES
2512/ 3921/ 5931
Fig. 4-2
Solder pad dimensions
Note: Series resistors are suitable for IR reflow soldering
Table 1-2
TYPE
PU2512
PU3921
PU5931
For outlines, please refer to Fig. 4-2
A (mm)
1.80± 0.15
2.75± 0.25
5.20± 0.25
B (mm)
3.40± 0.15
6.20± 0.25
8.75± 0.25
C (mm)
3.40± 0.13
5.60± 0.13
5.60± 0.13
Table 2
ELECTRICAL CHARACTERISTICS
SIZE
POWER
RATING
4W
OPERATING
TEMP. RANGE
RESISTANCE RANGE
3mΩ/ 4mΩ/ 5mΩ
TOLERANCE
TEMPERATURE COEFFICIENT
OF RESISTANCE
0.3mΩ/ 0.5mΩ: ± 200ppm/°C
1mΩ: ± 175ppm/°C
2mΩ ~ 5mΩ: ± 75ppm/°C
0.2mΩ/ 0.3mΩ/ 0.5mΩ:
± 175ppm/°C
1mΩ~5mΩ: ± 75ppm/°C
PU2512
Fig. 4
5W
-65°C to 170°C
1mΩ/ 2mΩ
0.3mΩ/ 0.5mΩ
0.2mΩ/ 0.3mΩ/ 0.4mΩ/ 0.5mΩ
1mΩ/ 2mΩ/3mΩ/4mΩ/ 5mΩ
± 1%, ± 5%
Chip resistor outlines
6W
3W
-65°C to 170°C
PU3921
5W
9W
3W
0.2mΩ/ 0.3mΩ/ 0.4mΩ/ 0.5mΩ
1mΩ/ 2mΩ/ 3mΩ/ 4mΩ/ 5mΩ
0.2mΩ/ 0.3mΩ/ 0.4mΩ/ 0.5mΩ/ 1mΩ
± 1%, ± 5%
0.2mΩ: ± 325ppm/°C
0.2mΩ/ 0.3mΩ/ 0.4mΩ/ 0.5mΩ:
± 175ppm/°C
1mΩ~5mΩ: ± 75ppm/°C
0.5mΩ: ± 175pm/°C
1mΩ~4mΩ: ± 75ppm/°C
0.2mΩ: ± 225ppm/°C
0.3mΩ/ 0.5mΩ: ± 175ppm/°C
1mΩ~4mΩ: ± 75ppm/°C
-65°C to 275°C
0.5mΩ/1mΩ/ 2mΩ/ 3mΩ/ 4mΩ
0.2mΩ/ 0.3mΩ/ 0.5mΩ/ 1mΩ/ 2mΩ/
3mΩ/ 4mΩ
5W
-65°C to 170°C
PU5931
7W
10W
5W
0.2mΩ/ 0.3mΩ/ 0.5mΩ/ 1mΩ/ 2mΩ/
3mΩ/ 4mΩ
0.2mΩ/ 0.3mΩ/ 0.5mΩ
± 1%, ± 5%
0.2mΩ: ± 225ppm/°C
0.3mΩ/ 0.5mΩ: ± 175ppm/°C
1mΩ~4mΩ: ± 75ppm/°C
0.3mΩ/ 0.5mΩ: ± 175ppm/°C
1mΩ~4mΩ: ± 75ppm/°C
-65°C to 275°C
0.3mΩ/0.5mΩ/ 1mΩ/ 2mΩ/ 3mΩ/ 4mΩ
Note: Please contact with sales offices, distributors and representatives in your region before ordering.
www.yageo.com
Oct. 31, 2018 V.6
-
Product specification
5
9
Chip Resistor Surface Mount
PU
SERIES
2512/ 3921/ 5931
FUNCTIONAL DESCRIPTION
OPERATING TEMPERATURE RANGE
High Temperature Range Type:
-65°C to +275°C (Fig. 5-1)
Normal Temperature Range Type:
-65°C to +170°C (Fig. 5-2)
POWER RATING
Standard rated power at 70°C:
PU2512 = 4W/5W/6W
PU3921 = 3W/5W/9W
PU5931 = 5W/7W/10W
For detail power value, please refer to Table 2.
RATED VOLTAGE
The DC or AC (rms) continuous working voltage
corresponding to the rated power is determined by
the following formula:
V=
Fig. 5-1
Maximum dissipation (P
max
) in percentage of rated
power as a function of the operating ambient
temperature (T
amb
)
(PxR )
Where
V = Continuous rated DC or
AC (rms) working voltage (V)
P = Rated power (W )
R = Resistance value (Ω )
Fig. 5-2
Maximum dissipation (P
max
) in percentage of rated
power as a function of the operating ambient
temperature (T
amb
)
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Oct. 31, 2018 V.6
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