3W to 10W Planar High
Power Resistors
BPC Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
03. 12
· Non-Inductive planar package
· High power density.
· Thin package for high density PCB installation.
· Power dissipated above the board.
· RoHS compliant.Benefits
Applications
· Power supply pre-load resistors.
· UPS systems
· Snubber and pulse handling circuits.
· Pulse generator load resistors.
· In-rush current protection
· Bleeder Resistors
Model BPC3 BPC5 BPC7 BPC10 Leads:
Tin Plated Copper Alloy
Substrate: 96% Alumina
Resistor: Thick Film
Dim A 0.40
10.16
0.50
12.70
0.75
19.05
1.00
25.40
Dim B 0.20
5.08
0.20
5.08
0.50
12.70
0.80
20.32
Specification (Dimensions) Materials
Items Specification Conditions
Power Rating 3W, 5W, 7.5W & 10W @ ambient temp < 70°C
Operating Voltage Max 300Vac, 500VDC
Resistance Range 0.1Ω to 200 KΩExtended resistance range available.
TCR 100 ppm/°C For -55 to +155°C and above 1Ω.
Tolerance 10, optional +/-5% , 1%, 2%
Operating Temp. Range -55 - +155 °C
Dielectric Withstand Voltage 5000 Volts minimum
Mechanical Shock ΔR +/- 0.25 % 100G.
Vibration ΔR +/- 0.25 % 20G, 10 to 2KHz
Load Life ΔR +/- 2.0 % 70°C, 90 min. ON, 30 min.OFF, 1000 hours.
Humidity ΔR +/- 0.5 % 85°C, 85% RH, DC 0.1W, 1000 hours.
Temperature Cycle ΔR +/- 0.5% -55°C, 30 min.,+155°C 30min., 5cycles.
Solder Heat (Max) ΔR +/- 0.25 % 260+/-5°C, 10 seconds,
Solderability Min 95% coverage 230+/-5°C, 5 seconds.
Insulation Resistance Over 1000 MΩ
Notes:
1. Contact factory for custom products, non-standard values and tolerances.
Dim. A
±.015
±.381
.100
2.54
Maximum
Overall
Thickness
.010±.002
.254±.050
.026
.660
.050
1.27
.026
.670
.020±.002
.508±.050
±.010
±.254
Dim. B
.075
1.905
.125+.0.25/-.000
3.175+.635/-.000
1.000±.015
25.4±.381
1.090
27.686
Max.
3W to 10W Planar High
Power Resistors
BPC Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
03. 12
Derating Curve Overload Characteristic
% Rated Power
100 70 °C
80
60
40
20
+155°C
0
Resistor Tem
p
erature
(
°C
)
20 x Nominal
Power Rating
Power
Nominal
Power Rating
Time Milliseconds
08
Ordering Information
BPC 10 103 G
Model
Power Rating
3 : 3W
5 : 5W
7 : 7.5W
10 : 10W
Resistance Code Tolerance
0.1 Ω : 0R100
10 KΩ : 103 First two digits significant, last digit: number of trailing zeros
Tolerance
K = 10% Tol
J = 5% Tol
G = 2% Tol
F = 1% Tol
