Bi BCN31L R/2r ladder network Datasheet

MODEL BCN31
BCN31 Series
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R/2R Ladder Network
8 Bit, 2512 Size
Thick Film
Leadless Chip Packages
Features
8 bit ladder network in a 10 terminal leadless
chip package
Convex termination with square edges and corners
Topside marking for easy identification
Solder plated termination with nickel barrier
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Benefits
Saves board space
Reduces cost
Single component reliability
Leadless package offers improved performance
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Applications
Termination network in analog to digital and digital to analog conversion circuits
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Electrical 1
Standard Resistance Range, Ohms
1K to 100K
Standard Resistance Tolerance
±2%
Operating Temperature Range
-40°C to +125°C
Temperature Coefficient of Resistance
±100ppm/°C
Operating Voltage, Maximum
50Vdc or √pr
Insulation Resistance
Power Rating, Watts at 70°C
Ladder Network Accuracy
100 Megohms
25mW per Resistor / 400mW per Package
8 Bits: ±1/2LSB
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.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
MODEL BCN31
BCN31 Series
Environmental
1,000 hours at +40°C, 95% R.H. (3.0% ΔR)
Moisture Resistance
1,000 hours at 70°C (3.0% ΔR)
High Temperature Operation
Short Time Overload
2.5 x rated voltage, 5 seconds (2.0% ΔR)
Temperature Cycling
-55°C to +125°C, 5 cycles (1.0% ΔR)
260°C for 10 seconds (1.0% ΔR)
Resistance to Solder Heat
1,000 hours at 70°C (3.0% ΔR)
Load Life
Schematic
10
9
8
2R
R
2R
R R
2R
1
7
R
2R
R
2R
R
2R
2
6
2R
R
2R
3
4
2R
5
Solder Pad Layout (Inch/mm)
P
Y
A
B
Y
X
X
C
Wave Solder Process
Re-Flow Solder Process
P
A
B
C
X
Y
A
B
C
X
Y
.050
.084
.148
.014
.036
.032
.084
.148
.014
.036
.032
1.27
2.10
3.70
0.35
0.90
0.80
2.10
3.70
0.35
0.90
0.80
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.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
MODEL BCN31
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
.012±.004
0.30±0.10
.122±.008
3.10±0.20
.022±.004
0.55±.10
.032±.004
0.80±0.10
Power Derating Curve
Percent of
Rated Power
100
80
60
40
20
0
-55
70
0
125
Ambient Temperature (˚ C)
Standard Resistance Values, Ohms
Value (R1/R2)
1K/2K
10K/20K
25K/50K
50K/100K
100K/200K
102
103
253
503
104
Code
Ordering Information
BCN
31
AB
Model Series
Width:
31 = 3.1mm
Edge Option:
AB = Square Edge, Convex Termination
Circuit Type:
L = Ladder
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.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
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