NT
Features
■
Mn/Cu alloy resistor
■
Power rating at 70 °C: 2 W, 3 W
■
Inductance less than 5 nH
■
Low EMF
■
RoHS compliant*
Applications
■
Power supplies
■
Stepper motor drives
■
Battery packs
■
White goods
*R
oH
S
CO
M
PL
IA
CRE2512 - High Power Current Sense Chip Resistor
Electrical Characteristics
Characteristic
Power Rating @ 70 °C
Metal Strip Alloy
Operating Temperature Range
Derated to Zero Load at
Maximum Working Current
Insulation Resistance
Resistance Range
Resistance Tolerance
Temperature Coefficient
2W
Mn/Cu
-55 °C to +170 °C
+170 °C
(P / R)
1/2
> 100 megohms
1 mΩ
∼
9 mΩ
±1 %
±75 PPM/°C
Model
Dimension
A
B
L
Cu TRACE
SENSING TRACE
Recommended Solder Pad Layout
CRE2512
3W
A
L
B
Performance Characteristics
Test
Thermal Shock
Short Time Overload
Low Temperature
Storage
High Temperature
Exposure
Bias Humidity
Mechanical Shock
Vibration
Load Life
Resistance to Solder
Heat
Moisture Resistance
Conditions
-55 ˚C to + 150 ˚C,
1000 Cycles, 15 minutes
5 X Rated Power for 5 seconds
-55 ˚C for 24 hours
1000 hours @ + 170 ˚C
+ 85 ˚C, 85 % RH, 10 % Bias,
1000 hours
100 g’s for 6 milliseconds, 5 pulses
Frequency varied 10 to 2000 KHz
in one minute, 3 directions, 12 hours
1000 hours at rated power at
+70 ˚C, 1.5 hours on, 0.5 hours off
+260 ˚C Solder, 10-12 second dwell,
25 mm/second emergence
MIL-STD-202 Method 106, 0 % power
(7a and 7b not required)
Specification
ΔR
±(0.5 % + 0.0005
Ω)
ΔR
±(0.5 % + 0.0005
Ω)
ΔR
±(0.5 % + 0.0005
Ω)
ΔR
±(1.0 % + 0.0005
Ω)
ΔR
±(0.5 % + 0.0005
Ω)
ΔR
±(0.5 % + 0.0005
Ω)
ΔR
±(0.5% + 0.0005
Ω)
ΔR
±(1.0% + 0.0005
Ω)
ΔR
±(0.5 % + 0.0005
Ω)
ΔR
±(0.5% + 0.0005
Ω)
CRE2512-R001
4.0
3.1
1.3
~
(.0157) (0.122) (0.052)
CRE2512-R003
CRE2512-R004
4.0
2.1
4.1
~
(.0157) (0.083) (0.161)
CRE2512-R009
DIMENSIONS:
MM
(INCHES)
Construction
Overcoat
Ni / Sn
Plating
Metal Alloy Plate
Typical Part Marking
R001
CRE2512-R001 ~
CRE2512-R003
CRE2512-R004 ~
CRE2512-R009
R005
Product Dimensions
Model
CRE2512-R001 ~
CRE2512-R003
CRE2512-R004 ~
CRE2512-R009
Dimension
A
6.45 ± 0.20
(0.254 ± 0.008)
6.45 ± 0.20
(0.254 ± 0.008)
B
3.35 ± 0.20
(0.131 ± 0.008)
3.35 ± 0.20
(0.131 ± 0.008)
MM
(INCHES)
C
C
A
C
2.00 ± 0.20
(0.079 ± 0.008)
0.95 ± 0.20
(0.037 ± 0.008)
T
0.70 ± 0.20
(0.0276 ± 0.008)
0.70 ± 0.20
(0.0276 ± 0.008)
C
C
T
B
DIMENSIONS:
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CRE2512 - High Power Current Sense Chip Resistor
Packaging Dimensions (Conforms to EIA RS-481A)
EMBOSSED TAPE
TOP TAPE
1.5 +0.1/-0
DIA.
(0.059 +0.004/-0)
1.5
(0.059)
DIA. MIN.
1.75 ± 0.1
(0.069 ± 0.004)
5.5 ± 0.05
(0.217 ± 0.002)
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
180 +0/-3
(7.09 +0/-0.118)
DIA.
60.0
(2.362)
MIN.
DIA.
12.0 ± 0.2
(0.472 ± 0.008)
RESISTOR
3.60 ± 0.20
(0.142 ± 0.008)
1.2 ± 0.15
(0.047 ± 0.006)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
4.0 ± 0.05
(0.157 ± 0.002)
6.9 ± 0.2
(0.272 ± 0.008)
Packaging: 4000 pieces per 180 mm
(7 inch) reel
USER DIRECTION OF FEED
DIMENSIONS:
MM
(INCHES)
15.4 ± 2.0
(0.606 ± 0.079)
13.0 ± 1.0
(0.512 ± 0.039)
CRE2512 Resistance Values Available
Code
R001
R002
R003
R004
R005
R Value
0.0010
0.0020
0.0030
0.0040
0.0050
Code
R006
R007
R008
R009
R Value
0.0060
0.0070
0.0080
0.0090
Soldering Profile
275
<1>
Maximum of 20 seconds between
260 °C peak
<1>
255 °C
+255 °C and +260 °C
225
220 °C
Temperature (°C)
190 °C
175
150 °C
90 - 150
seconds
Ramp Down
6 °C/second
Consult factory for other resistance values.
125
60 - 120 seconds
10 seconds minimum
Derating Curve
75
Power Ratio (%)
100
25
0
50
Ramp Up
3 °C/second maximum
100
150
Time (seconds)
200
250
300
-55
70
170
Ambient Temperature (°C)
How to Order
CRE 2512 - F Z - R001 E - 2
Model
CRE = Precision Chip Resistor
Size
2512 = 2512 Size
Resistance Tolerance
F = ±1 %
TCR
Z = ±75 PPM/°C
Resistance Value
“R” (decimal point) followed by three significant digits (example: R004 = 0.0040 ohm)
Packaging
E = 4000 pieces on 180 mm (7 inch) reel
Power Rating
2 = 2 Watts
3 = 3 Watts
06/14
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
ST Sensors & Low Power Wireless Technology Forum
京公网安备 11010802033920号
EEWORLD
