Features
n TO-247 housing
n Low inductance
n High power rating
n Ceramic back plate
n Compatible with lead free solder reflow
temperatures
n AEC-Q200 compliant
n RoHS compliant*
Applications
n Power supplies
n Motor drives
n Test and measurement
n Rectifiers
Electrical & Thermal Characteristics
PWR247T-100 Series Power Resistor
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
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.
General Information
The Bourns
®
PWR247T-100 Series is a TO-247 style power resistor manufactured using thick lm on alumina ceramic technology.
This product is used in current limiting, capacitor discharge or current measurement circuits in power supplies for telecom and
industrial applications.
Parameter Value(s)
Resistance Range
(See Popular Resistance Values table)
0.05 Ω to 1M Ω
Power Rating @ 25 ˚C 100 W
(1)
Resistance Tolerance ±1 %
(2)
, ±5 %
Temperature Coefcient @ -55 °C to +125 °C
0.015 Ω ≤ R ≤ 0.1 Ω
0.1 Ω ≤ R ≤ 20 Ω
R > 20 Ω
±600 PPM/˚C
±200 PPM/˚C
±100 PPM/˚C
Thermal Resistance - R
thj
1.5 °C/W
Inductance 0.1 µH maximum
Dielectric Strength 3 kV AC for 1 minute
Insulation Resistance 10 GΩ
Operating Voltage √P*R with a maximum of 500 V
Operating Temperature Range -55 ˚C to +175 ˚C
Environmental Characteristics
Characteristic Test Condition DTR Max.
Short Term Overload
2x Pr for R < 2 Ω,
1.6 x Pr for R ≥ 2 Ω,
V < 1.5 x Operating Voltage
±0.5 % ± 0.005 Ω
High Temperature Exposure +175 °C, 1000 hours, No load ±0.25 % ± 0.005 Ω
Temperature Cycling
-55 °C to +155 °C,
Dwell Time: 30 minutes,
1000 cycles
±1 % ± 0.005 Ω
Biased Humidity 1000 hours, 85 °C, 85 % R.H. ±1 % ± 0.005 Ω
Operational Life 1000 hours, 125 °C, 5.72 watts ±1 % ± 0.005 Ω
Terminal Strength MIL-STD-202-211 ±0.2 % ± 0.005 Ω
Resistance to Solvents MIL-STD-202 Method 215 Pass/Fail
Shock Vibration
100 G, 6 ms
5 G, 0.5 inch,
10-2000 Hz, 12 cycles
±0.5 % ± 0.005 Ω
Resistance to Soldering Heat +260 °C / 10 seconds ±0.5 % ± 0.005 Ω
Flame Retardancy
9.0 to 32.0 VDC in 1 hour,
3.0 seconds max.,
+350 °C for 10 seconds max.
Pass/Fail
ESD AEC-Q200-002 ±1 % ± 0.005 Ω
Solderability J-STD-002 95 % coverage min.
Material Characteristics
Resistor ...................................Thick lm
Substrate ..................... Alumina (AL203)
Housing ........................................Epoxy
Pins....................Tinned Copper (Sn/Cu)
Flammability ........ Conforms to UL-94V0
Moisture Sensitivity Level .....................1
ESD Classication (HBM).....................6
Packaging
............................................ 20 pcs./tube
(1)
Power rating of 3.5 W @ free air (no heat sink).
(2)
For resistances ≤ 0.05 Ω, tolerance = ±5 %.
Popular Resistance Values
Code Resistance Value
R050 0.05 Ω
R100 0.1 Ω
R200 0.2 Ω
1R00 1.0 Ω
2R00 2.0 Ω
2R70 2.7 Ω
3R30 3.3 Ω
7R50 7.5 Ω
10R0 10.0 Ω
15R0 15.0 Ω
20R0 20.0 Ω
47R0 47.0 Ω
1000 100 Ω
Other resistance values available upon
request.
Typical Part Marking
247 100
R200 1%
YYWW
COSTA RICA
MANUFACTURER'S
TRADEMARK
POWER
RATING (W)
RESISTANCE
CODE
PART
IDENTIFICATION
ABSOLUTE
TOLERANCE
DATE CODE
COUNTRY
OF ORIGIN
247 100
10R0 1%
1735
C O S TA R I C A
*RoHS COMPLIANT
*RoHS COMPLIANT
& AEC APPROVED
*RoHS COMPLIANT, **HALOGEN FREE
& AEC COMPLIANT
*RoHS and
AEC-Q200 COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
