Precision Resistor Network
(Conformally Coated)
Composition of Type Number
SE
SS
SE 004A 1K000 8K000 B A
SF
Configuration
SE, SF
L
T
SS
L
T
Type
L
W
SE
29.0±0.5
12.0±0.5
W
W
T
t
a
t
b
c
F
c
a
b
t
b
a
F
F
TCR, Resistance Range, Tolerance, Rated Power
Resistance
Range
Element ( )
30 to 120k
0±5
30 to 120k
30 to 20k
Maximum
Resistance Value
Package ( )
600k
240k
100k
Resistance
Tolerance (%)**
Absolute
±0.05 (A)
±0.1 (B)
±0.5 (D)
±1 (F)
Matching
±0.01 (T)
±0.02 (Q)
±0.05 (A)
±0.1 (B)
±0.5 (D)
±1 (F)
Rated
Power/Package (W)
at 70°C
1
0.5
0.5
Power Derating Curve
SE
SF
SS
*TCR tracking is dependent on resistance ratio. See table 1 on page 32.
**Symbols parenthesized are for type number composition.
Performance
Parameters
Maximum Rated Operating Temperature
Working Temperature Range
Temperature Cycling
Low Temperature Storage
Overload
Terminal Strength
Dielectric Withstanding Voltage
Insulation Resistance
Resistance to Soldering Heat
Moisture Resistance
Shock
Vibration
Life (Rated Load)
Life (Moisture Load)
High Temperature Exposure
Storage Life
Test Condition
ALPHA Specification
R
Ratio
ALPHA Typical Test Data
R
Ratio
-25°C/30 min., Room Temperature/5 min., +125°C/30 min., 5 cycles
-25°C, No Load, 2 hrs.
Rated Voltage x 2.5, 5 sec.
0.51kg (1.123 pounds),10 sec.
Atmospheric: AC 300V, 1 min.
DC 100V, 1 min.
350°C, 3 sec.
+65°C to -10°C, 90% RH to 98% RH, Rated Voltage, 10 cycles (240 hrs.)
50G, 11ms., Half-Sine Wave, X, Y, Z, each 3 shocks
20G, 10Hz to 55Hz to 10Hz, 1 min., X, Y, Z, each 2 hrs.
70°C, Rated Power, 1.5 hrs. – ON, 0.5 hr. – OFF, 1,000 hrs.
40°C, 90% RH to 95% RH, Rated Power, 1.5 hrs. – ON, 0.5 hr. – OFF, 1,000 hrs.
125°C, No Load, 1,000 hrs.
15°C to 35°C, 15% RH to 75% RH, No Load, 10,000 hrs.
±0.05%
±0.05%
±0.05%
±0.05%
±0.03%
over 10,000M
±0.01%
±0.03%
±0.05%
±0.1%
±0.01%
±0.03%
±0.01%
±0.03%
±0.1%
±0.1%
±0.1%
±0.05%
±0.05%
±0.05%
±0.05%
±0.03%
34
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Type
TCR (ppm/°C)*
-25°C to +125°C
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SF
14.0±0.5
10.0±0.5
5±1
0.25±0.05
1.0±0.05
0.5±0.5
Muitiples of 2.54
SS
7.5±0.5 to
16.5±0.5
7.6±0.5
2.2±0.5
0.3±0.05
0.65±0.05
0.4±0.05
Dimensions in mm
2.7±0.5
70°C
-25°C to +125°C
±0.01%
±0.01%
±0.01%
±0.005%
±0.01%
±0.0025%
±0.01%
±0.005%
±0.005%
±0.01%
over 10,000M
±0.0025%
±0.005%
±0.005%
±0.03%
±0.0025%
±0.005%
±0.0025%
±0.005%
±0.01%
±0.01%
±0.01%
±0.005%
±0.005%
±0.005%
±0.005%
±0.0025%
6
±0.005%
±0.0025%
±0.001%
±0.0025%
±0.0025%
5
4
08
06
04
02
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Ultra-Precision
Resistor Network
Resistor networks from Alpha Electronics, specialists in precision resistors, featuring
metal foil technology, provide excellent performance in TCR tracking, resistance ratio
matching and stability.
Characteristics
1
Temperature Characteristics of Resistance: 0±5ppm/°C
2
TCR Tracking: ±1ppm/°C
3
Resistance Ratio Matching: ±0.01%
4
Resistance Stability: ±0.005%/year
Standard Circuit
Circuit A
(Array)
Circuit Symbol
Circuit B
(Independent)
Circuit Symbol
Circuit C
(Divider)
Circuit Symbol
B500
B300
B200
A800
A300
A200
0 02 A
Circuit E (A Circuit Divided into Two)
Circuit F (C Circuit Divided into Two)
Circuit Symbol
E801
E401
E301
Circuit Symbol
F901
F401
F301
Circuit Symbol
E802
E502
E402
Circuit Symbol
F902
F502
F402
Circuit Symbol
E803
E703
E603
Circuit Symbol
F903
F703
F603
Circuit Symbol
E804
Circuit Symbol
F904
F804
1 03 E
Circuits other than listed are available.
Resistance Range and Number of Elements Mountable
Case-
Encapsulated
Type
SC
Maximum Resistance Value/Element ( )
Minimum Resistance Value/Element ( )
Maximum Resistance Value/Package ( )
Circuit A
Maximum Number of
Network Elements
Circuit B
Circuit C
Circuit E
Circuit F
120k
30
1,200k
8
5
10
8
9
SE
120k
30
600k
4
5
5
5
2
2
Conformally
Coated
Type
SF
120k
30
240k
SS
20k
30
100k
5
3
5
4
4
Table 1. Temperature Characteristics of Resistance
TCR (ppm/°C) -55°C to +125°C
Tracking
Absolute
Resistance Ratio (R max./R min.)
1
<
R max./R min.
<
10
=
=
0±5
10<R max./R
100<R max./R min.
=
min.
<
100
Type
32
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TCR Tracking Available
±1
±2
±3
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DIY/Open Source Hardware
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