TLR-2B, 2H, 3AW
metal plate current sense resistor
EU
• Ultra-low TCR (+50ppm/°C) available
• Metal alloy: superior corrosion and heat resistance
• Applications include current sensing, voltage division
and pulse applications
• Ultra low resistance (0.5mΩ - 20mΩ)
• Suitable for reflow soldering (Not suitable for flow soldering)
• Products with lead-free terminations meet EU RoHS
and China RoHS requirements
• AEC-Q200 Tested
dimensions and construction
L
Protective Coating
(2B (1mΩ, 1.5mΩ), 3AW
(0.5mΩ ~1.5mΩ only))
Resistive Element
W
t
TLR2B
TLR2BN
Termination
Solder
d
Protective
Coating
Size
Code
d
Resistance
1m
1.5m
2m,3m,4m,5m,
6m,7m,8m,9m,
10m,11m,12m,
13m,15m,16m,
18m,20m
L
Dimensions inches (mm)
W
d
.126±.008 .063±.008
.024±.008
(3.20±0.20) (1.60±0.20) .020±.008 (0.60±0.20)
(0.50±0.20)
.071±.008 .026±.008
(1.80±0.20) (0.65±0.20)
1m
Derating Curve
TLR2H
For resistors operated at an
ambient temperature of 70°C or
above, a power rating shall
be
3
derated in accordance with the
above derating curve.
100
% Rated Power
80
60
40
0
-80
-60 -40 -20
-65
20 40 60 80 100 120 140 160 180
70
170
Ambient Temperature
(°C)
0
100
% Rated Power
80
60
40
20
0
-80
-60 -40 -20
-65
0 20 40 60 80 100 120 140 160 180
105
170
Terminal Part Temperature
(°C)
2m - 6m
7m - 10m
.200±.008 .100±.008 .060±.008
(5.00±0.20) (2.50±0.20) (1.50±0.20) .024±.008
.020±.008 (0.60±0.20)
(0.50±0.20)
.107±.01
(2.725±0.25)
0.5mΩ
20
TLR3AW
For resistors operated at a terminal
part temperature of described for
each size or above, a power rating
shall be derated in accordance with
the derating curve.
3
Please refer to “Introduction of the
derating curve based on the terminal
part temperature” in the beginning of
our catalog before use.
t
.043±.008
(1.10±0.20)
0.68mΩ,0.75mΩ,
0.82mΩ,
1mΩ, 1.5mΩ,
2mΩ, 3mΩ,
4mΩ
.105±.01
(2.675±0.25)
.25±.01
.125±.01 .087±.01 .024±.01
(6.35±0.25) (3.18±0.25) (2.20±0.25) (0.60±0.25)
5mΩ, 6mΩ,
7mΩ, 8mΩ
.047±.01
(1.20±0.25)
9mΩ, 10mΩ
.030±.01
(0.77±0.25)
ordering information
TLR
Type
3AW
D
Power
Rating
2BN: 0.5W
2B: 0.5W
2H: 1W
3AW: 2W
Termination
Material
D: SnAgCu
TE
Packaging
TE: 7" 8mm pitch embossed
plastic (3AW)
TE: 7" 4mm pitch embossed
plastic (2H only)
TD: 7" 4mm pitch punched
paper (2B only)
2L00
Nominal
Resistance
±1%: 4 digits
All values less than
0.1Ω (100m) are
expressed in mW
with “L” as decimal
Ex: 2mΩ = 2L00
F
75
Tolerance
T.C.R.
F: ±1%
New 50:
50ppm/°C:
75ppm/°C
Blank:
150ppm/°C
For further information on packaging, please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/10/20
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
99
current
sense
features
TLR-2B, 2H, 3AW
metal plate current sense resistor
applications and ratings
Rated
Ambient
Temperature
Power
Rating
Part
Designation
current
sense
±50
TLR2B
1/2W (.5W)
±75
105°C
70°C
±150
TLR2BN
TLR2H
1W
2m,3m,4m,5m,6m,7m,8m,
9m,10m,11m,12m,13m,
15m,16m,18m,20m
1m,1.5m,2m,3m,4m,5m,
6m,7m,8m,9m,10m,11m,
12m,13m,15m,16m,18m,20m
1m,2m,3m,4m,5m,
6m,7m,8m,9m,10m
2m,3m,4m,5m,
6m,7m,8m,9m,10m
±50
TLR3AW
2W
70°C
105°C
±75
±150
Resistance
Tolerance
Operating
Temperature
Range
F: ±1%
-65°C to +155°C**
-65°C to +170°C**
F: ±1%
-65°C to +155°C**
-65°C to +170°C**
1m,1.5m,2m,3m,4m,5m,
6m,7m,8m,10m,11m,
12m,13m,15m,16m,18m,20m
±50
±75
105°C
70°C
Standard
Resistance
(Ω)
T.C.R.
(ppm/°C)
Max.*
Rated
Terminal Part
Temperature
F: ±1%
0.5m,0.68m,0.75m,0.82m,
1m,1.5m,2m*,3m,4m,
5m,6m,7m,8m,9m,10m
-65°C to +155°C**
-65°C to +170°C**
* Contact factory for 2mΩ dimensions
** Please reference High Temperature Performance Characteristics in the below table
If any questions should arise whether to use the “Rated Ambient Temperature” or the “Rated Terminal Part Temperature,” please give priority to the “Rated Terminal
Part Temperature.” Prior to use and for more details refer to “Introduction of the derating curves on the terminal part temperature” in the beginning of the catalog.
environmental applications
TLR2B/2BN, TLR2H
TLR3AW
10,000,000
1,000,000
100,000
10,000
1,000
100
2H-10mΩ
2H-1mΩ
2B-1mΩ
2B-2mΩ
2B-20mΩ
10
1
.001
.01
.1
1
Pulse Duration
(ms)
10
100
One-Pulse Limiting Electric Power (W)
One-Pulse Limiting Electric Power (W)
One-Pulse Limiting Electric Power
10,000,000
1,000,000
100,000
10,000
1,000
100
10mΩ
10
The maximum applicable voltage is equal to
the max. overload voltage.
Please ask us about the resistance
characteristic of continuous applied pulse.
The pulse endurance values are not assured
values, so be sure to check the products on
actual equipment when you use them.
0.5mΩ
1
.001
.01
.1
1
Pulse Duration
(ms)
10
100
Thermal Resistance
Size
2B
2BN
TLR
2H
Resistance (Ω)
1m
2m
20m
1m
Rth (°C/W)
7.2
18.3
116
17
10m
0.5m
10m
61.1
6
62
3AW
TH + T=Hs
Terminal Part Temperature
TH :High
TM :Medium =ts
TL :Low
TM + T=Hs
Temperature
Type
Rth=(Hs-ts)/Power
Regarding the temperature rise, the value of the temperature varies
per conditions and board for use since the temperature is measured
under our measuring conditions. Please refer to us before use.
T
T
TL + T=Hs
T
TH
TM
TL
Low
The temperature of the resistor
will increase the same ⊿T from the
standard terminal part temperature
regardlless of the ambient temperature
when the same power is applied. This
is because there is hardly any heat
dissipation from the resistor surface
to the ambient air.
High
Terminal Part Temperature
Performance Characteristics
Parameter
Resistance
T.C.R.
Resistance to Solder Heat
Rapid Change of Temperature
Moisture Resistance
Biased Humidity
Endurance (Ambient Temp.)
High Temperature Exposure**
Requirement ∆ R ±%
Limit
Typical
Within regulated
—
tolerance
Within specified
—
T.C.R.
±0.5%
±0.3%
±0.5%
±0.4%
±0.5%
±0.1%
±0.5%
±0.1%
±1.0%
±0.3%
±1.0%
±0.6%
±2.0%
––
Test Method
25°C
+25°C/+125°C
260°C ± 5°C, 10 seconds +2/-0 seconds
-55°C (15 minutes), +150°C (15 minutes), 1000 cycles
MIL-STD-202, Method 106, 0% power, 7a and 7b not required
85°C ± 2°C, 85% RH, 1000 hours, 10% bias
70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle
±155°C (2B, 2H, 3AW), 1000 hours
±170°C (2B, 2H, 3AW), 1000 hours
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
100
12/10/20
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com