SMD Low Ohmic – Current Sense Resistors
Type RL73 Series
Key Features
Up to 2W @ 70°C
8 chip sizes
Ideal for current
detection
Noble Metal
Terminations
Terminal finish –
electroplated 100% matte
Sn
MSL level 1
Applications
Communications
TE Connectivity are pleased to offer this thick film chip resistor for
current sensing positions. It has a special metal glaze resistive element ,
noble metal terminals and a nickel barrier layer beneath the matte Sn
finish to prolong terminal life. Following the developments by
semiconductor manufacturers in the production of a range of IC's for
battery charge management and low voltage power supplies, the RL73
Series satisfies the demand for a low ohmic shunt resistor to act as a
current sensor.
Audio
Automotive
Low voltage power
supplies
Power management
applications
Electrical Characteristics Standard Power
Size
RL73X1H
RL73V1H
RL73N1H
RL73M1E
RL73N1E
RL73K1E
RL73V1J
RL73M1J
RL73N1J
RL73K1J
RL73V2A
RL73M2A
RL73N2A
RL73K2A
RL73H2A
te.com
Size
0201
0402
0603
0805
TCR
(PPM/°C)
±1000
±600
±300
±400
±300
±200
±600
±400
±300
±200
±600
±400
±300
±200
±100
Power
rating @
70°C
0.05W
0.0625W
0.1W
0.125W
Resistance
Ra ge Ω
R10 – R13
R15 – R47
R51 – R91
R05 – R091
R10 – R47
R51 – R91
R020 – R047
R051 – R091
R10 – R50
R51 – R91
R020 – R047
R051 – R10
R11 – R18
R20 – R91
R10 – R91
Max
Operating
Current
Packaging
TD
0.70A
1000
10000
Paper
1.11A
1000
10000
Paper
2.23A
1000
5000
Paper
1000
5000
Paper
2.50A
TE
TG
TDF
Tape
1.11A
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
SMD Low Ohmic – Current Sense Resistors
Electrical Characteristics Standard Power (continued)
Size
RL73V2B
RL73M2B
RL73N2B
RL73K2B
RL73H2B
RL73V2E
RL73M2E
RL73N2E
RL73K2E
RL73H2E
RL73V2H
RL73M2H
RL73N2H
RL73K2H
RL73H2H
RL73V3A
RL73M3A
RL73N3A
RL73K3A
RL73H3A
Size
1206
1210
2010
2512
TCR
(PPM/°C)
±600
±400
±300
±200
±100
±600
±400
±300
±200
±100
±600
±400
±300
±200
±100
±600
±400
±300
±200
±100
Power
rating
@ 70°C
0.25W
0.5W
0.75W
1W
Resistance
Ra ge Ω
R010 – R020
R022 – R047
R051 – R091
R10 – R91
R10 – R91
R010 – R020
R022 – R047
R051 – R091
R10 – R91
R075 – R91
R010 – R020
R022 – R047
R051 – R091
R10 – R91
R050 – R91
R010 – R020
R022 – R047
R051 – R091
R10 – R91
R020 – R91
Max
Operating
Current
5.00A
Packaging
TG
TDF
TD
TE
Tape
1000
5000
Paper
1000
5000
Paper
1.58A
7.07A
2.58A
8.66A
4000
Embossed
Plastic
4000
Embossed
Plastic
3.87A
10.0A
7.07A
Characteristics Electrical – High Power Version - RLP73
Type
RLP73M1E
RLP73N1E
RLP73K1E
RLP73M1J
RLP73N1J
RLP73K1J
RLP73M2A
RLP73N2A
RLP73K2A
RLP73V2B
RLP73M2B
RLP73N2B
RLP73K2B
te.com
Size
0402
0603
0805
1206
TCR
(PPM/°C)
±400
±300
±200
±400
±300
±200
±400
±300
±200
±600
±400
±300
±200
Power
rating
0.125W
0.125W
0.25W
0.5W
Resistance
Range
R051 – R091
R10 – R47
R51 – R91
R051 – R091
R10– R47
R51 – R91
R051 – R091
R10 – R47
R51 – R91
R010 – R020
R022 – R047
R051 – R091
R10 – R91
Max.
Operating
current
Packaging
TE
TG
TDF
TD
Tape
1.56A
1000
10000
Paper
1.98A
1000
10000
Paper
2.21A
1000
5000
Paper
7.07
1000
5000
Paper
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
SMD Low Ohmic – Current Sense Resistors
Characteristics Electrical – High Power Version - RLP73 (continued)
Type
RLP73V2E
RLP73M2E
RLP73N2E
RLP73K2E
RLP73V2H
RLP73M2H
RLP73N2H
RLP73K2H
RLP73V3A
RLP73M3A
RLP73N3A
RLP73K3A
RLP73H3A
Size
1210
2010
2512
TCR
(PPM/°C)
±600
±400
±300
±200
±600
±400
±300
±200
±600
±400
±300
±200
±100
Power
rating
0.75W
1W
2W
Resistance
Range
R010 – R020
R022 – R047
R051 – R091
R10 – R91
R010 – R020
R022 – R047
R051 – R091
R10 – R91
R010 – R020
R022 – R047
R051 – R091
R10 – R91
R051 – R348
Max.
Operating
current
8.66A
10A
14.1A
Packaging
TDF
TD
1000
5000
TE
TG
Tape
Paper
Embossed
Plastic
4000
2000
Embossed
Plastic
6.32A
Operati g Voltage=√ P*R ; O erload Voltage= . *√ P*R ; Operati g Curre t=√ P/R
Maximum operating temperature -55°C to +155°C
Power Derating curve
For resistors operated in ambient temperatures above 70°C, power rating must be derated in
accordance with this curve.
te.com
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
SMD Low Ohmic – Current Sense Resistors
Construction and dimensions
Alumina Substrate
Edge Electrode (NiCr)
Resistor Layer (Ag/Pd)
Top Electrode (Ag-Pd)
External Electrode (Sn)
Secondary Overcoat (Epoxy)
Bottom Electrode (Ag)
Barrier Layer (Ni)
Primary Overcoat (Glass)
Type
Size
L (mm)
W (mm)
T (mm)
D1 (mm)
D2 (mm)
RL73
RL73 /
RLP73
RL73 /
RLP73
RL73 /
RLP73
RL73 /
RLP73
RL73 /
RLP73
RL73 /
RLP73
RL73
0201 (1H)
0.60±0.03
0.30±0.03
0.23±0.05
0.12±0.05
0.15±0.05
Weight (g)
(1000 Pcs.)
0.18
0402 (1E)
1.00±0.05
0.50±0.05
0.32±0.10
0.25±0.10
0.20±0.10
0.7
0603 (1J)
1.60±0.10
0.80±0.10
0.45±0.10
0.30±0.20
0.30±0.20
1.99
0805 (2A)
2.00±0.10
1.25±0.10
0.55±0.10
0.30±0.20
0.40±0.25
5.3
1206 (2B)
3.10±0.10
1.55±0.10
0.55±0.10
0.50±0.30
0.40±0.25
8.82
1210 (2E)
3.10±0.10
2.60±0.15
0.55±0.10
0.50±0.30
0.50±0.25
15.5
2010 (2H)
5.00±0.10
2.50±0.15
0.60±0.15
0.60±0.30
0.50±0.25
27.03
2512 (3A)
2512 (3A)
(R010-R099)
2512 (3A)
(R10 -R91)
6.35±0.10
3.10±0.15
0.60±0.10
0.60±0.30
0.55±0.25
43.08
6.35±0.20
3.15±0.15
0.74±0.10
0.60±0.30
0.55±0.25
53.08
6.35±0.20
3.15±0.15
0.74±0.10
0.60±0.30
2.10±0.10
53.08
RLP73
RLP73
Suggested PCB Layout Plan
Type
0201
0402
0603
0805
1206
1210
2010
2512 (1W)
2512 (2W) 99mΩ
2512 (2W) 100mΩ
te.com
A (mm)
0.25
0.50
0.80
1.00
2.00
2.00
3.60
4.90
4.90
1.0
B (mm)
0.30
0.50
1.00
1.00
1.15
1.15
1.40
1.60
1.60
3.55
C ±0.2mm
0.40
0.60
0.90
1.35
1.70
2.50
2.50
3.20
3.20
3.20
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
SMD Low Ohmic – Current Sense Resistors
Solder Profile
Reflow Profiles
Profile Feature
Preheat
Min. Temperature (Tsmin)
Max Temperature (Tsmax)
Preheating time (ts) from (Tsmin to Tsmax)
Ramp-up rate (TL to Tp)
Liquidous temperature (TL)
Time (tL) maintained above TL
Min. Peak temperature (Tp min)
Max. Peak temperature (Tp max)
Time (tp) within 5 °C of the specified classification temperature (Tc)
Ramp-down rate (Tp to TL)
Time 25 °C to peak temperature
Pb-Free Assembly
150 °C
200 °C
60-120 seconds
3 °C/second max.
217 °C
60-150 seconds
235°C
260°C
30 seconds max.
6 °C/second max
8 minutes max.
Marking Specification
For 0201 and 0402 size resistor – No Marking
1% & 5% 0805/1206/1210/2010/2512 size Resistors – 4 Digit Marking.
Example:
Resistance
Marking
Ω
R047
Ω
R075
Ω
R015
Ω
R750
Ω
R820
5% for 0603: 3 digits marking in E24
1% for 0603: 3 digits marking with under-line in E96 (if value appears in both E96 and E24 refer to
E24)
R10
digits
arki g for E
or R alue suffix is zero i E
243
digits
arki g for E
:
047
te.com
=
Ω;
=
:R
=
Ω; R
=
Ω
Ω
3 digit marking for E24 where value is less than 100mΩ and R value suffix is NOT 0;
E.G. R047=47mΩ
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
SMD Low Ohmic – Current Sense Resistors
Environmental Characteristics
Item
Temperature Coefficient of
Resistance (TCR)
Requirement
As Spec.
± . %+ .
Short Time Overload
Insulation Resistance
Ω
± . %+ . Ω
For High power rating
G
Endurance
± . %+ .
Ω
Damp Heat with Load
± . %+ .
Ω
Dry Heat
± . %+ .
Ω
Bending Strength
± . %+ .
Ω
Solderability
95% min. coverage
Resistance to Soldering Heat
± . %+ .
Voltage Proof
No breakdown or flashover
Leaching
Individual leaching area %
Total leachi g area
%
Rapid Change of Temperature
± . %+ .
Ω
Ω
Test Method
JIS-C-5201-1 4.8
IEC-60115-1 4.8
-55°C ~+125°C, 25°C is the
reference temperature
JIS C 5201-1 4.13
IEC 60115-1 4.13
RCWV*2.5 or Max. Overload
Voltage whichever is lower for 5
seconds
JIS-C-5201-1 4.6
IEC-60115-1 4.6
Max. Overload Voltage for 1
minute
JIS-C-5201-1 4.25
IEC-60115-1 4.25.1
70±2°C, RCWV for 1000 hrs with
. hrs ON a d . hr off
JIS-C-5201-1 4.24
IEC-60115-1 4.24
40±2°C, 90~95% R.H., RCWV for
hrs ith . hrs ON a d
. hr OFF
JIS-C-5201-1 4.23
IEC-60115-1 4.23.2
at +155°C for 1000 hrs
JIS-C-5201-1 4.33
IEC-60115-1 4.33
Bending once for 60 seconds
with 3mm
2010, 2512 sizes: 2mm
JIS-C-5201-1 4.17
IEC-60115-1 4.17
245±5°C for 3 seconds
S-C-5201-1 4.18
IEC-60115-1 4.18
260±5°C for 10 seconds
JIS-C-5201-1 4.7
IEC-60115-1 4.7
1.42 times Max. Operating
Voltage for 1 minute
JIS-C-5201-1 4.18
IEC-60068-2-58 8.2.1
260±5°C for 30 seconds
JIS-C-5201-1 4.19
IEC-60115-1 4.19
-55°C to +155°C, 5 cycles
RCWV (Rated Continuous Working Voltage) =√ P*R or Max. Operati g Voltage whichever is lower.
Storage Temperature: 15~28°C; Humidity < 80%RH
Shelf Life: 2 years from production date.
te.com
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
SMD Low Ohmic – Current Sense Resistors
Packaging
Packing Quantity and Reel Specification
Size
0201
0402
0603
0805
1206
1210
2010
2512
2512
(2W)
ØA ±1.0
ØB ±1.0
ØC ±0.7
W ±1.0
T ±1.0
Paper Tape
Embossed Plastic Tape
1000 / 10000
9.5
11.5
N/A
1000 / 5000
178.0
60.0
13.5
4000
13.5
15.5
N/A
2000
Paper tape Specification
Size
A
B
0201
0402
0603
0805
1206
1210
0.38±0.05
0.65±0.10
1.10±0.10
1.60±0.10
1.90±0.10
2.90±0.10
0.68±0.05
1.15±0.10
1.90±0.10
2.40±0.20
3.50±0.20
3.50±0.20
te.com
W
±0.20
E
±0.10
F
±0.05
P ±0.10
P ±0.05
P ± .
ØD + . -0
2.00
8.00
1.75
3.5
4.00
2.00
4.00
1.50
T
0.42±0.20
0.45±0.10
0.70±0.10
0.85±0.10
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
SMD Low Ohmic – Current Sense Resistors
Embossed Plastic Tape Specifications
Type
A±0.10
B
2010
2.80
5.50±0.20
2512
3.50
6.70±0.10
3.38
6.68±0.10
2512 (2W)
W±0.30
E±0.10
12.0
1.75
F
P0
5.5±0.05
4.00±0.05
P1
P2
ØD0
T
1.50+0.10 1.00±0.20
4.00±0.10 2.00±0.05
5.5±0.10
4.00±0.10
1.55+0.05 1.45±0.20
How To Order
RL73
H
2A
R10
F
Common Part
TCR
Size
Value
Tolerance
RL73 – Current
Sense Resistor
– Standard
Power
RLP73 –
Current Sense
Resistor – High
Power
X -1000PPM
V - 600PPM
N - 300PPM
H - 100PPM
K - 200PPM
M - 400PPM
See above for
applicability
1H -0201
1E -0402
1J -0603
2A -0805
2B -1206
2E -1210
2H -2010
3A -2512
0.1 Ohm
(100milliOhm)
R10
0.91 Ohm
(910milliOhm)
R91
F - ±1%
J - ±5%
TD
Packaging
TDF -1000 REEL
TDG – 2000 REEL
(2512 2W only)
TE - 4000 REEL
(2010,2512 only)
TD -5000 REEL
(0603~1210)
TD- 10000 REEL
(0201,0402)
See above for
applicability
While TE has made every reasonable effort to ensure the accuracy of the information in this document, TE does not guarantee that it
is error-free, nor does TE make any other representation, warranty or guarantee that the information is accurate, correct, reliable or
current. TE reserves the right to make any adjustments to the information contained herein at any time without notice. TE expressly
disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of
merchantability or fitness for a particular purpose. The dimensions in this data sheet are for reference purposes only and are subject
to change without notice. Specifications are subject to change without notice. Consult TE for the latest dimensions and design
specifications.
te.com
1773269 Rev. J 01/2023
© 2022 TE Connectivity. All Rights Reserved.
TE Connectivity, TE connectivity (logo) and Every Connection Counts are trademarks owned or licensed by TE Connectivity. All other
logos, products and/or company names referred to herein might be trademarks of their respective owners.
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