DATA SHEET
SHUNT RESISTOR
PU series
5%, 1%
sizes
2512/ 3921/ 5931
Product specification – April 08, 2019 V.6
RoHS compliant & Halogen free
Product specification
Chip Resistor Surface Mount
SERIES
PU
2
9
2512/ 3921/ 5931
SCOPE
ORDERING INFORMATION - GLOBAL PART NUMBER
This specification describes shunt
resistor PU series with lead-free
terminations made by welding
technology.
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)
APPLICATIONS
Power
Telecom base station
Automotive (Headlight/
Window control/ Engine control
unit/ Steering control…)
Alternative energy
(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
FEATURES
AEC-Q200 qualified
M = ± 75 ppm/°C
Resistance value down to
0.0001Ω and high power up to
15W
G = ± 200 ppm/°C
Welding metal plate
construction
O = ± 325 ppm/°C
N = ± 175 ppm/°C
H = ± 225 ppm/°C
I = ± 300 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
PB = 15W, 13 inch Dia. reel
(6) RESISTANCE VALUE
0.1 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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Apr. 08, 2019 V.6
3
Product specification
Chip Resistor Surface Mount
PU
SERIES
9
2512/ 3921/ 5931
MARKING
PU2512
No marking
Fig. 1 Value = 0.2mΩ
PU3921/ 5931 - 0.1~0.7mΩ
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
0.1mΩ to 0.7mΩ
PU3921/ 5931 - 1~5mΩ
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
For outlines, please refer to Fig. 3-1
TYPE
L (mm)
W (mm)
H (mm)
I1 (mm)
PU2512
6.35± 0.25
3.18± 0.25
0.35± 0.15
1.14± 0.25
PU3921
10.0± 0.25
5.20± 0.25
0.50± 0.13
2.00± 0.25
PU5931
15.0± 0.25
7.75± 0.25
0.50± 0.13
4.00± 0.25
Resistance Value
PU2512
T (mm)
PU3921
Thickness
0.1mΩ
-----
0.2mΩ 0.25mΩ 0.3 mΩ 0.4mΩ 0.5 mΩ 0.7 mΩ
---
---
0.95± 0.13
---
0.84± 0.13
---
1 mΩ
2 mΩ
3 mΩ
4 mΩ
5 mΩ
0.43± 0.13 0.66± 0.13 0.44± 0.13 0.33± 0.13 0.31± 0.13
1.35± 0.13 1.05± 0.10 1.35± 0.13 1.05 ± 0.13 0.86± 0.13 0.60± 0.10 0.43± 0.13 0.72± 0.13 0.48± 0.13 0.36± 0.13 0.25± 0.13
PU5931 1.42± 0.13 1.33± 0.13
---
1.00± 0.13
--
0.60± 0.13
---
0.33± 0.13 0.49± 0.13 0.33± 0.13 0.25± 0.13
---
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Apr. 08, 2019 V.6
Product specification
Chip Resistor Surface Mount
Fig. 4-2
PU
SERIES
2512/ 3921/ 5931
4
9
Solder pad dimensions
Note: Series resistors are suitable for IR reflow soldering
Table 1-2
For outlines, please refer to Fig. 4-2
TYPE
A (mm)
B (mm)
C (mm)
PU2512
1.80± 0.15
3.40± 0.15
3.40± 0.13
PU3921
2.75± 0.25
6.20± 0.25
5.60± 0.13
PU5931
5.20± 0.25
8.75± 0.25
5.60± 0.13
Table 2
ELECTRICAL CHARACTERISTICS
POWER
OPERATING
RATING TEMP. RANGE
SIZE
4W
PU2512
Fig. 4
5W
-65°C to 170°C
-65°C to 170°C
9W
3W
PU5931
TEMPERATURE COEFFICIENT
OF RESISTANCE
-65°C to 275°C
-65°C to 170°C
0.3/ 0.5mΩ: ± 200ppm/°C
1mΩ: ± 175ppm/°C
2~5mΩ: ± 75ppm/°C
± 1%, ± 5%
0.3/ 0.5mΩ
0.2/ 0.25/ 0.3/ 0.4/ 0.5/ 0.7mΩ
1/ 2/ 3/ 4/ 5mΩ
0.2/ 0.25/ 0.3/ 0.4/ 0.5/ 0.7mΩ: ± 175ppm/°C
1~5mΩ: ± 75ppm/°C
± 1%, ± 5%
0.2/ 0.25/ 0.3/ 0.4/ 0.5/ 0.7/ 1mΩ
5W
7W
1/ 2mΩ
0.2/ 0.25/ 0.3/ 0.4/ 0.5/ 0.7mΩ
1/ 2/ 3/ 4/ 5mΩ
3W
PU3921
TOLERANCE
3/ 4/ 5mΩ
Chip resistor
6W outlines
5W
RESISTANCE RANGE
0.2mΩ: ± 325ppm/°C
0.2/ 0.25/ 0.3/ 0.4/ 0.5/ 0.7mΩ: ± 175ppm/°C
1~5mΩ: ± 75ppm/°C
0.5/1/ 2/ 3/ 4mΩ
0.5mΩ: ± 175pm/°C
1~4mΩ: ± 75ppm/°C
0.2/ 0.3/ 0.5/ 1/ 2/ 3/ 4mΩ
0.2mΩ: ± 225ppm/°C
0.3/ 0.5mΩ: ± 175ppm/°C
1~4mΩ: ± 75ppm/°C
0.2/ 0.3/ 0.5/ 1/ 2/ 3/ 4mΩ
0.1mΩ: ± 300ppm/°C
± 1%, ± 5%
0.2mΩ: ± 225ppm/°C
10W
0.2/ 0.3/ 0.5mΩ
15W
0.1mΩ
1~4mΩ: ± 75ppm/°C
0.3/ 0.5/ 1/ 2/ 3/ 4mΩ
0.3/ 0.5mΩ: ± 175ppm/°C
1~4mΩ: ± 75ppm/°C
5W
-65°C to 275°C
0.3/ 0.5mΩ: ± 175ppm/°C
Note: Please contact with sales offices, distributors and representatives in your region before ordering.
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Apr. 08, 2019 V.6
Product specification
Chip Resistor Surface Mount
PU
SERIES
5
9
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
PU3921 = 3W
PU5931 = 5W
Fig. 5-1
Maximum dissipation (P max ) in percentage of rated
power as a function of the operating ambient
temperature (T amb )
Fig. 5-2
Maximum dissipation (P max ) in percentage of rated
power as a function of the operating ambient
temperature (T amb )
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=
(PxR )
Where
V = Continuous rated DC or
AC (rms) working voltage (V)
P = Rated power (W)
R = Resistance value (Ω)
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Apr. 08, 2019 V.6
Product specification
Chip Resistor Surface Mount
PU
SERIES
6
9
2512/ 3921/ 5931
PACKING STYLE AND PACKAGING QUANTITY
Table 3 Packing style and packaging quantity
PACKING STYLE
REEL
DIMENSION
2512
3921
5931
Embossed taping reel (K)
13" (330 mm)
4,000
3,000
1,500
EMBOSSED TAPE
Fig. 5 Embossed Tape
Table 4 Dimensions of embossed tape for relevant chip resistors size
A0
B0
D0
DIMENSION
D1
E
F
MIN.
K0
P0
P1
P2
MAX.
T1
T2
T
W
MA
MAX. MAX. MAX.
X.
PU2512
3.58± 0.
1
3.58± 0.
1
6.7± 0.1
1.5± 0.1
1.5
1.75± 0.1
5.5± 0.1
1.52
4± 0.1
8± 0.1
2± 0.1
0.1
1.92
0.3
12.3
6.7± 0.1
1.5± 0.1
1.5
1.75± 0.1
5.5± 0.1
1.14
4± 0.1
8± 0.1
2± 0.1
0.1
1.54
0.3
12.3
0.5 / 0.7/ 2mΩ
5.59± 0.
10.41± 0.1 1.5± 0.1
1
1.5
1.75± 0.1
7.5± 0.1
2.13
4± 0.1
8± 0.1
2± 0.1
0.1
2.64
0.41 16.3
1 /3 /4 /5mΩ
5.59± 0.
10.41± 0.1 1.5± 0.1
1
1.5
1.75± 0.1
7.5± 0.1
1.14
4± 0.1
8± 0.1
2± 0.1
0.1
1.65
0.41 16.3
≦0.3mΩ
8.3± 0.1 15.62± 0.1 1.5± 0.1
1.5
1.75± 0.1
11.5± 0.1
2.39
4± 0.1 12± 0.1 2± 0.1
0.1
2.9
0.41 24.3
≧0.5mΩ
8.3± 0.1 15.62± 0.1 1.5± 0.1
1.5
1.75± 0.1
11.5± 0.1
1.22
4± 0.1 12± 0.1 2± 0.1
0.1
1.73
0.41 24.3
0.3 /0.5 /2mΩ
1 /3 /4 /5mΩ
PU3921
0.2/ 0.25/ 0.3/ 0.4
PU5931
Unit : mm
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Apr. 08, 2019 V.6
Product specification
Chip Resistor Surface Mount
PU
SERIES
7
9
2512/ 3921/ 5931
REEL SPECIFICATION
Fig. 6
Table 5 Dimensions of reel specification for relevant chip resistors size; see Fig. 6
PRODUCT
SIZE CODE
REEL SIZE
SYMBOL
A
N
C
D
W1
W2 max.
2512
13" (Φ 330mm)
330+0 /-3
100± 0.5
13.5± 0.5
21± 0.8
13± 0.3
17.5
3921
13" (Φ 330mm)
330+0 /-3
100± 0.5
13.5± 0.5
21± 0.8
16.4+2.0/-0
22.4
5931
13" (Φ 330mm)
330+0 /-3
100± 0.5
13.5± 0.5
21± 0.8
24.4+2.0/-0
30.4
Unit : mm
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Apr. 08, 2019 V.6
Product specification
Chip Resistor Surface Mount
PU
SERIES
8
9
2512/ 3921/ 5931
TESTS AND REQUIREMENTS
Table 6 Test condition, procedure and requirements
TEST
Short Time
Overload
TEST METHOD
PROCEDURE
REQUIREMENTS
IEC60115-1 4.13
5 times of rated power for 5 seconds at room
temperature
± (1%+0.0005 Ω)
No visible damage
High
Temperature
Exposure
AEC-Q200 Test 3
MIL-STD-202 method 108A
1,000 hours at maximum operating temperature
depending on specification, unpowered,
Normal Temperature Range Type:170± 3°C
High Temperature Range Type: 275± 5°C
± (1%+0.0005 Ω)
IEC 60115-1 4.25.3
Moisture
Resistance
AEC-Q200 Test 6
MIL-STD-202 method 106F
Each temperature / humidity cycle is defined at 8
hours (method 106F), 3 cycles / 24 hours for 10d
with 25 °C / 65 °C 95% R.H, without steps 7a &
7b, unpowered
Parts mounted on test-boards, without
condensation on parts
Measurement at 24± 2 hours after test conclusion
± (1%+0.0005 Ω)
Biased Humidity
AEC-Q200 Test 7
MIL-STD-202 method 103
1,000 hours; 85 °C / 85% RH
10% of operating power
Measurement at 24± 4 hours after test conclusion.
± (1%+0.0005 Ω)
Life/ Operational
Life/ Endurance
AEC-Q200 Test 8
MIL-STD-202 method 108A
IEC 60115-1 4.25.1
1,000 hours at 70± 5 °C applied RCWV
1.5 hours on, 0.5 hour off, still air required
± (1%+0.0005 Ω)
- Resistance to
Soldering Heat
AEC-Q200 Test 15
MIL-STD-202 method 210F
IEC 60115-1 4.18
Condition B, no pre-heat of samples
Lead free solder, 260 °C, 10 seconds immersion
time
Procedure 2 for SMD: devices fluxed and cleaned
with isopropanol
± (0.5%+0.0005 Ω)
No visible damage
Thermal Shock
AEC-Q200 Test 16
MIL-STD-202 method 107
-55/+150 °C
Number of cycles is 300.
Maximum transfer time is 20 seconds.
Dwell time is 15 minutes. Air – Air
± (1%+0.0005 Ω)
No visible damage
AEC-Q200 Test 21
AEC-Q200-005
Chips mounted on a 90mm glass epoxy resin PCB
(FR4)
Bending: 2 mm
Holding time: minimum 60 seconds
± (1%+0.0005 Ω)
Board Flex
Bending
/
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Apr. 08, 2019 V.6
Product specification
Chip Resistor Surface Mount
PU
SERIES
9
9
2512/ 3921/ 5931
REVISION HISTORY
REVISION
DATE
CHANGE NOTIFICATION
DESCRIPTION
POWER
RESISTANCE
TOLERANCE
- Extend resistor
value for 3921RANGE
Jun. 28, 2018
1/10W, 1/5W, 3/10W, 2/5W, 1/2W
0603
Version 4
Nov. 23, 2017 1/8W, 1/4W, 1/3W, 1/2W
0805
Version 31206
May 24, 2017 1/4W, 1/2W
- Update packing 5quantity
mΩ ≦ for
R