Resistors
3W to 10W Planar High
Power Resistors
BPC Series
Non-Inductive planar package
High power density.
Thin package for high density PCB installation.
Power dissipated above the board.
Applications
Power supply pre-load resistors.
UPS systems
Snubber and pulse handling circuits.
Pulse generator load resistors.
In-rush current protection
Bleeder Resistors
All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)
Specification (Dimensions)
Model
Dim A
Dim B
BPC3
0.40
10.16
0.20
5.08
BPC5
0.50
12.70
0.20
5.08
BPC7
0.75
19.05
0.50
12.70
BPC10
1.00
25.40
0.80
20.32
1.000±.015
25.4±.381
1.090 Max.
27.686
Materials
Dim. A
±.015
±.381
.100
2.54
Maximum
Overall
Thickness
Leads:
Tin Plated Copper Alloy
Substrate: 96% Alumina
Resistor: Thick Film
.125+.0.25/-.000
3.175+.635/-.000
.075
1.905
Dim.B ±.010
±.254
.026
.670
.050
1.27
.020±.002
.508±.050
.026
.660
.010±.002
.254±.050
Notes:
1. Contact factory for custom products, non-standard values and tolerances.
Items
Power Rating
Operating Voltage Max
Resistance Range
TCR
Tolerance
Operating Temp. Range
Dielectric Withstand Voltage
Mechanical Shock
Vibration
Load Life
Humidity
Temperature Cycle
Solder Heat (Max)
Solderability
Insulation Resistance
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
Specification
3W, 5W, 7.5W & 10W
300Vac, 500VDC
0.1Ω to 200 KΩ
100 ppm/°C
10, optional +/-5% , 1%, 2%
-55 - +155 °C
5000 Volts minimum
ΔR +/- 0.25 %
ΔR +/- 0.25 %
ΔR +/- 2.0 %
ΔR +/- 0.5 %
ΔR +/- 0.5%
ΔR +/- 0.25 %
Min 95% coverage
Over 1000 MΩ
100G.
20G, 10 to 2KHz
Conditions
@ ambient temp < 70°C
Extended resistance range available.
For -55 to +155°C and above 1Ω.
70°C, 90 min. ON, 30 min.OFF, 1000 hours.
85°C, 85% RH, DC 0.1W, 1000 hours.
-55°C, 30 min.,+155°C 30min., 5cycles.
260+/-5°C, 10 seconds,
230+/-5°C, 5 seconds.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
05.17
3W to 10W Planar High
Power Resistors
BPC Series
Derating Curve
Overload Characteristic
Derating Curve
Derating Curve
20 x Nominal
Power Rating
Power
Nominal
Power Rating
Time Milliseconds
0
8
Ordering Procedure
Ordering Information
Ordering Procedure
B
P
C
1
0
1
0
B
P
1
1Type
C 11
1
2
2Value
0
1
0
Example: BPC10103G
(BPC10, 10 kilohms ±2%, Pb-free)
3
G
Example: BPC10103G
(BPC10, 10 kilohms ±2%, Pb-free)
3 2
2
3
Tolerance
3
G 3
3
BPC10
BPC3
F = ±1%
Type
Value
2 digits + multiplier
Tolerance
BPC5 xRx for values <10 ohmsF =G = ±2%
BPC3
±1%
2 digits + multiplier
BPC7 0Rxxx for values <1 ohmG =J±2%
= ±5%
BPC5 xRx for values <10 ohms
BPC10
K = ±10%
BPC7 0Rxxx for values <1 ohm J = ±5%
K = ±10%
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
05.17
Switching Power Supply Study Group
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