5-3
5
Model BPC Series
Resistance Range, Ohms BPC 3, BPC 5, BPC 7: 1 to 200K
BPC 10: 3 to 200K
Resistance Tolerances ±10%
Optional: ±1%, ±2%, ±5% (<10 Ohms = ±2%, ±5%)
Operating Temperature Range -55°C to +125°C
Temperature Coefficient of Resistance, Maximum ±100ppm/°C
Power Ratings, Watts 3W, 5W, 7.5W, 10W
Operating Voltage, Maximum 300 Vac, 500 Vdc
Peak Current 20 x rated current up to 8 ms (∆R ±0.5%)
MODEL BPC SERIES
Noninductive Planar
Thick Film
Power Resistor Network
STANDARD TYPES
BPC 3 3 Watts
BPC 5 5 Watts
BPC 7 7.5 Watts
BPC 10 10 Watts
Specifications subject to change without notice.
ELECTRICAL
• High power density
• Power is dissipated above circuit board
• Low temperature solder
• Board layout flexibility
• Inrush current limiters
• Power supply preloads
• Snubber circuits
• UPS systems
APPLICATIONS
FEATURES
POWER DERATING CURVE
Percent of
Rated Power
100
80
60
40
20
0
15570-0
Degrees C
OVERLOAD CHARACTERISTICS
08
Time (milliseconds)
Power
Nominal
Power Rating
20X Nominal
Power Rating
5-4 Model BPC Series
MECHANICAL
Lead Material Solder Tinned Copper Alloy
Substrate Material 96% Alumina
Resistor Material Ruthenium Oxide
Thermal Shock ∆R 0.50%
Terminal Strength ∆R 0.25%
Moisture Resistance ∆R 0.25%
Mechanical Shock 30G's, ∆R 0.25%
Vibration 10G's, 10 to 500 Hz ∆R 0.25%
Low Temperature Storage ∆R 0.25%
High Temperature Exposure ∆R 0.25%
Load Life, 1,000 Hours ∆R 1.00%
Resistance to Solder Heat ∆R 0.25%
Dielectric Withstanding Voltage, Minimum 5,000 Vdc
Marking Permanency MIL-STD-202, Method 215
Lead Solderability MIL-STD-202, Method 208
Flammability UL 94V-0 Rated
Storage -55°C to +155°C
ENVIRONMENTAL (PER MIL-R-83401)
5-5
5
Model BPC Series
OUTLINE DIMENSIONS (Inch/mm)
.050
1.27
.026
.670
.020±.002
.508±.050
±.010
±.254
Dim. B
.010±.002
.254±.050
.026
.660
.100
2.54
Maximum
Overall
Thickness
Dim. A ±.015
±.381
1.000±.015
25.4±.381
1.090
27.686
.125+.025/-.000
3.175+.635/-.000
.075
1.905
Max.
Model BPC 3
0.40
10.16
0.20
5.08
BPC 5
0.50
12.70
0.20
5.08
BPC 7
0.75
19.05
0.50
12.70
BPC 10
1.00
25.40
0.80
20.32
Dim. A
Dim. B
STANDARD RESISTANCE VALUES (OHMS)
Value 1 2 5 10 20 50 100 200 500 1K 2K 5K 10K 20K 50K
Code 1R0 2R0 5R0 100 200 500 101 201 501 102 202 502 103 203 503
5-6 Model BPC Series
Standard: 50 per tray
PACKAGING
ORDERING INFORMATION
BPC 10 103 G
Model Series Tolerance Code:
F
G
J
K
Resistance Code:
G, J & K Tolerances:
First 2 digits are significant.
Last digit denotes number of trailing zeros.
F Tolerance:
First 3 digits are significant.
Last digit denotes number of trailing zeros.
Power Rating: =
=
=
=
1% Tol.
2% Tol.
5% Tol.
10% Tol.
3 = 3 Watts
5 = 5 Watts
7 = 7.5 Watts
10 = 10 Watts
