Precision Thin Film Resistor
(Conformally Coated)
TCR, Resistance Range, Tolerance, Rated Power
Type
TLC
TLA
TCR (ppm/°C)
-25°C to +125°C
TLA
Resistance
Range (⍀)
Resistance
Tolerance (%)
Rated Power (W)
at 70°C
100K to 5M
±0.05 (A)
±0.1 (B)
±0.5 (D)
±1 (F)
0.125
200K to 10M
±0.02 (Q)
±0.05 (A)
±0.1 (B)
±0.5 (D)
±1 (F)
0.25
0±10 (C)
0±5 (X)
TLC
Features
1 High Resistance Value
2 TCR: ±5ppm/°C
3
4
Tolerance: ±0.02%
Long-Term Stability: 200ppm/year
Symbols in parentheses are for type number composition.
Power Derating Curve
Composition of Type Number
(%)
100
Example:
egatnecreP rewoP detaR
TLA X 500K00 B
80
60
Tolerance
40
Resistance Value
20
TCR
Type
Resistance value, in ohm, is expressed by a series of six characters, five of
which represent significant digits. The sixth R or K is a dual- purpose letter
that designates both the value range (R for ohmic; K for kilo-ohm) and the
location of decimal point.
25
70
155
50 75 100 125 150 (¡C)
Ambient Temperature
Frequency Characteristics
Configuration
(%)
TLC
100
)CD(R/)CA(R
t
T
W
F
L
c
a
b
TLA
TLC
Type
5.6±0.5
7.5±0.5
L
6.2±0.5
W
T
2.2±0.5
F 2.54±0.25 5.08±0.25
5±1
t
0.3±0.05
1.0±0.05
a
0.65±0.05
b
0.4±0.05
c
Dimensions in mm
50
250k⍀
10M⍀
10
100
1,000
Frequency
5M⍀ 1M⍀
(kHz)
10,000
Performance
Parameters
Test Condition
ALPHA Specification
Max. Rated Operating Temperature
Working Temperature Range
Maximum Working Voltage
Temperature Cycling
Overload
Solderability
Resistance to Solvents
-25°C/30 min., Room Temperature/5 min., +55°C/30 min., 5 cycles
Rated Voltage × 2.5, 5 sec.
Low Temperature Storage
Terminal Strength
-25°C, No Load, 2 hrs.
0.908kg (2 pounds), 10 sec.
Dielectric Withstanding Voltage
Insulation Resistance
Resistance to Soldering Heat
Moisture Resistance
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.)
Life (Rated Load)
70°C, Rated Power, 1.5 hrs. – ON, 0.5 hr. – OFF, 1,000 hrs.
Storage Life
15°C to 35°C,15% RH to 75% RH, No Load, 10,000 hrs.
High Temperature Exposure
155°C, No Load, 1,000 hrs.
Current Noise
ALPHA Typical Test Data
70°C
-25°C to +155°C
TLA=250V, TLC=300V
±0.05%
±0.05%
±0.01%
±0.0025%
over 75% coverage, no damage
no damage
±0.05%
±0.05%
±0.0025%
±0.0025%
±0.03%
over 10,000M⍀
±0.03%
±0.1%
±0.0025%
over 10,000M⍀
±0.01%
±0.05%
±0.1%
±0.02%
±0.05%
±0.01%
±0.01%
±0.02%
-25dB
-35dB
35
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