Data Sheet

POWER - NIKKOHM
45W SMD POWER CHIP RESISTOR, TCP45
Specifications
TCP45
Test Conditions
Rating Power 45 Watts -55 °C to 25 °C backing metal temperature
Rating Power 1.0 Watts Attached on simple foot print.
Short Time Overload 50W Rated power X 2.0 and 5 second at 25°C with heat-sink
Heat Resistance 3.0 °C/W Resistor to back metal
Resistance Range 0.02 Ohm – 510k Ohm 0.02ohm-0.91ohm are available at 5% tolerance only.
Nominal E24+ Include 2.5, 4.0, 5.0, 8.0 and 16
TCR 100 ppm/°C 10ohm to 51kohm, around 100 ppm/°C under 9.1ohm
Tolerance +/-1% (F)
Resistor Material Thick Film
Capacitance 2.65 pF Equivalent parallel capacitance, typical
Inductance 14.65 nH Equivalent series inductance, typical
Operation Temp. -55 °C to+175 °C
Max. Operating Current 10A
Max. Operating Volt. less than 500V or
RP 
P is rating power and R resistance
Withstanding Volt. 1500 VAC Terminal and back metal, 60 seconds. 1mA
Load Life +/- 1.0 % 25 °C, 90 min. ON, 30 min. OFF, 1000h.
Humidity +/- 1.0 % 40 °C, 90-95%RH, DC 0.1W, 1000 hours.
Temp. Cycle +/- 0.25 % -55 °C,30 min.,+155 °C, 30 min., 5cycle
Soldering Heat +/- 0.1 % 350+/-5 °C, 3seconds,
Lead Solder ability Over 95% of surface 230+/-5 °C, 3seconds.
Insulation Resistance Over 1,000 Meg ohm Between terminals and back metal.
Vibration +/- 0.25 % IEC60068-2-6, see note 4
Weight 0.324 gram
RoH
S
Nikkohm Co., Ltd. 3-31-2640 Minamicho, Misawa, Aomori 033-0036 Japan TEL: [phone], FAX: [phone]
© Nikkohm Co., Ltd. All rights reserved. URL: http://www.nikkohm.co.jp & http://www.nikkohm.com / e-mail: [e-mail]
Pulse Energy Durability
1.0 10 100 1000
Frequency (MHz)
Impedance (ohm)
1000
100
10
TCP45 100Ohm
F
0 5 10 15
Applied Power (W)
Temperature (°C)
200
100
0
Resistor tem
p
erature
Base metal temperature
Frequency Characteristics Temperature Rise
A
ctual
temperature rise for TCP45 that is jointed on a
metal insulated circuit board of 47mm x 73mm x 1mm
thick
10n 100n 1u 10u 100u 1m 10m 100m 1 10 100
Pulse width (seconds)
100k
10k
1k
100
10
Pulse peak power (W)
TCP45 10 ohm F with heat sink
Tentative continuous-pulse power allowance at duty 0.01.
Load life test will be necessary in actual equipments, because curve may be
chan
g
ed b
y
resistance, repetition, dut
y
and operatin
g
temperature.
980W
45W
Power Derating
-50 0 50 100 150 200
Back Metal Temperature (°C)
50
40
30
20
10
0
+175 °C
Power (W)
TCP45
+25 °C
Conrad Electronic SE - Klaus-Conrad-Str.1 - 92250 Hirschau - www.conrad.de