Resistors
Resistors
MODEL BCN31
MODEL BCN31
BCN31 Series
BCN31 Series
R/2R Ladder Network
R/2R
2512 Size
8 Bit,
Ladder Network
8 Bit, 2512
Thick Film
Size
Thick Film
Leadless Chip Packages
Leadless Chip Packages
Features
Features
8 bit ladder network in a 10 terminal leadless
8 bit ladder network in a 10 terminal leadless
chip package
chip package
Convex termination with square edges and corners
Convex termination with square edges
Topside marking for easy identification
and corners
Topside marking for easy identification
Solder plated termination with nickel barrier
Solder plated termination with nickel barrier
Benefits
Benefits
board space
Saves
Saves board
Reduces cost
space
Reduces cost
Single component reliability
Single component reliability
Leadless package offers improved performance
Leadless package offers improved performance
Applications
Applications
Termination network in analog to digital and digital to analog conversion circuits
Termination network in analog to digital and digital to analog conversion circuits
Make Possible
All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)
All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2)
Electrical
1
Standard Resistance Range, Ohms
Standard Resistance Tolerance
Operating Temperature Range
Temperature Coefficient of Resistance
Operating Voltage, Maximum
Insulation Resistance
Power Rating, Watts at 70°C
Ladder Network Accuracy
1K to 100K
±2%
-40°C to +125°C
±100ppm/°C
50Vdc or
√pr
100 Megohms
25mW per Resistor / 400mW per Package
8 Bits: ±1/2LSB
General Note
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
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.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
www.ttelectronicsresistors.com
http://www.ttelectronics.com/resistors
© TT Electronics plc
© TT Electronics plc
09.14
06.17
MODEL BCN31
Make Possible
BCN31 Series
Environmental
Moisture Resistance
High Temperature Operation
Short Time Overload
Temperature Cycling
Resistance to Solder Heat
Load Life
1,000 hours at +40°C, 95% R.H. (3.0%
ΔR)
1,000 hours at 70°C (3.0%
ΔR)
2.5 x rated voltage, 5 seconds (2.0%
ΔR)
-55°C to +125°C, 5 cycles (1.0%
ΔR)
260°C for 10 seconds (1.0%
ΔR)
1,000 hours at 70°C (3.0%
ΔR)
Schematic
10
R
9
2R
R R
2R
2R
R
8
2R
R
2R
R
7
2R
R
2R
2R
6
2R
1
2
3
4
5
Solder Pad Layout (Inch/mm)
P
Y
B
Y
A
X
C
X
Wave Solder Process
P
.050
1.27
A
.084
2.10
B
.148
3.70
C
.014
0.35
X
.036
0.90
Y
.032
0.80
A
.084
2.10
B
Re-Flow Solder Process
C
.014
0.35
X
.036
0.90
Y
.032
0.80
.148
3.70
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
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.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
www.ttelectronicsresistors.com
© TT Electronics plc
09.14
06.17
MODEL BCN31
Make Possible
BCN31 Series
Outline Dimensions (Inch/mm)
.252±.008
6.4±0.20
Solder
Termination
.012±.006
0.30±0.15
L 253
.050±.002
1.27±.051
.032±.004
0.80±0.10
.122±.008
3.10±0.20
.012±.004
0.30±0.10
.022±.004
0.55±.10
Power Derating Curve
100
80
60
40
20
0
-55
0
70
125
Ambient Temperature (
˚C)
Percent of
Rated Power
Standard Resistance Values, Ohms
Value (R1/R2)
Code
1K/2K
102
10K/20K
103
25K/50K
253
50K/100K
503
100K/200K
104
Ordering Information
BCN
Model Series
Width:
31 = 3.1mm
Edge Option:
AB = Square Edge, Convex Termination
Circuit Type:
L = Ladder
31
AB
L
XXX
G 7
LF
LF: RoHS compliant
Packaging Option:
7 = 7" Tape & Reel, 4K/Reel
13 = 13" Tape & Reel, 16K/Reel
Tolerance:
G =
±2%
Resistance Code:
102 = 1K / 2K
103 = 10K / 20K
253 = 25K / 50K
503 = 50K / 100K
104 = 100K / 200K
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.ttelectronicsresistors.com
http://www.ttelectronics.com/resistors
© TT Electronics plc
09.14
06.17