CRM2512-FT-1202ELF Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – CRM2512-FT Series Power Resistor

*RoHS ^COMPLIANT
Features
■ High power density
■ Can withstand ITU-T K.20, K.21 and K.45
basic test requirements
■ RoHS compliant*
Applications
■ Telecom ports designed for Metallic Ended
Line Test (MELT) functionality
■ ADSL and VDSL2 telecom ports
■ Telecom line test equipment
CRM2512-FT Series Power Resistor
Electrical Characteristics
Characteristic
Power
Resistance
Working Voltage
Short Time Overload Voltage
Operating Temperature Range
TCR
Surge Characteristics
(Per ITU-T K.20, K.21 and K.45
Test Requirements)
Wave Shape
Overvoltage
Recommended Solder Pad Layout
L
B
CRM2512-FT
2W
10K to 1M Ohms (E24)
300 V
600 V
-55 °C to +155 °C
±100 PPM/°C
10/700 1.5 KV ±5 pulses
600 Vrms, 600 ohms, 0.2 seconds
A
DIMENSIONS:
MM
(INCHES)
Cu TRACE
Model
CRM2512-FT
Soldering Profile
250
200
180 °C
150
150 °C
100
50
A
3.7
(0.146)
B
2.45
(0.096)
L
2.7
(0.106)
Peak 260 +5/-0 °C
230 °C or higher
Pre-heating Zone
90 ± 30 seconds
30 ± 10 seconds
Soldering Zone
Heating Time
General Information
The Model CRM2512-FT is a power
resistor rated to 2 watts continuous
power in a small 2512 size package.
It can withstand ITU-T K.20, K.21 and
K.45 basic test requirements and is
aimed at telecom applications.
Characteristic Data
Test
Load Life (1000 hours)
Short Term Overload
Thermal Shock
600 Vrms, 600 Ohms,
0.2 Seconds, 5 Applications
(R>20K)
600 Vrms, 600 Ohms,
0.1 Seconds, 5 Applications
(R<20K)
10/700 1.5 kV,
±5 Applications
ΔR Max.
<1%
<1%
< 0.5 %
<1%
<1%
<1%
Product Dimensions
6.3 ± 0.20
(0.248 ± 0.008)
3.1 ± 0.20
(0.122 ± 0.008)
0.6 ± 0.20
(0.024 ± 0.008)
0.6 ± 0.20
(0.024 ± 0.008)
1.8 ± 0.20
(0.070 ± 0.008)
Derating Curve
100
-55
70
155
Ambient Temperature (°C)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications