Zero-TCR Ultra-Precision Resistor
(Hermetically Sealed)
TCR, Resistance Range, Tolerance, Rated Power
HK
HL
Type
TCR
Resistance
Range ( )
Rated Power (W)
Resistance
at 70°C
Tolerance (%)*
±0.005 (V)
±0.01 (T)
±0.02 (Q)
0.3
±0.05 (A)
±0.1 (B)
±0.5 (D)
±1 (F)
HK
HL
Char. S
100 to 100k
Symbols parenthesized are for type number composition.
*Resistance figures are obtained by measuring the leads at point 12.7±3.2mm away from the root.
Composition of Type Number
Temperature Characteristics of Resistance
Configuration
Temperature (°C)
HK, HL
T
L
R/R (ppm)
0±40
0±15
0±15
0±50
Reference Temperature +25°C
-55
0
+50
+125
Power Derating Curve
30
)
C¡
(
521+
05-
)C¡( 051
521
erutarepmeT tneibmA
001
57
05
05+
erutare
pm
eT
52+
07
0
52
08
06
04
02
)%(
001
55-
001-
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.
05+
51+
51-
51+
51-
04+ 05+
04- 05-
001+
0
mm ni snoisnemiD
HK S 10K000 T
eulaV ecnatsiseR
ecnareloT
RCT
)mpp(
R/R
50.0±5
6
.0
01±03
52.0±80.5 52.0±18.3
3.0±3.4
3.0±7.01
3.0±7.01
L
H
KH
epyT
epyT
W
T
F
L
d
d
:elpmaxE
W
egatnecreP rewoP detaR
F
Performance
Parameters
Maximum Rated Operating Temperature
Working Temperature Range
Maximum Working Voltage
Power Conditioning
Thermal Shock
Overload
Solderability
Resistance to Solvents
Low Temperature Storage
Terminal Strength
Dielectric Withstanding Voltage
Insulation Resistance
Resistance to Soldering Heat
Moisture Resistance
Shock
Vibration, High Frequency
Life
Storage Life
High Temperature Exposure
Current Noise
Voltage Coefficient
Thermal EMF
25°C, Rated Voltage, 96 hrs.
-65°C/30 min. +150°C/30 min., 5 cycles
Rated Voltage x 2.5, 5 sec.
245°C, 5 sec.
1 lsopropyl Alcohol + Mineral Spirits
2 Water + Butyl Cellosolve + Monoethanolamine
-65°C, No Load, 24 hrs. Rated Voltage, 45 min.
0.908kg (2 pounds),10 sec.
Atmospheric: AC 300V, 1 min. Barometric: 8mmHg, AC 200V, 1 min.
DC 500V, 2 min.
350°C, 3 sec.
+65°C to -10°C, 90% RH to 98% RH, Rated Voltage, 10 cycles (240 hrs.)
100G, 6ms., Sawtooth Wave, X, Y, Z, each 10 shocks
20G, 10Hz to 2,000Hz to 10Hz, 20 min., X, Y, Z, each 2.5 hrs.
70°C, Rated Power, 1.5 hrs. - ON, 0.5 hr. - OFF, 2,000 hrs.
15°C to 35°C, 15% RH to 75% RH, No Load, 10,000 hrs.
150°C, No Load, 2,000 hrs.
±0.02%
over 95% coverage
no damage
±0.01%
±0.01%
±0.01%
over 10,000M
±0.01%
±0.01%
±0.01%
±0.01%
±0.05%
±0.0025 %
±0.02 %
-32dB
0.0001%/V
1.0 V/°C
Test Condition
ALPHA Specification
ALPHA Typical Test Data
70°C
-65°C to +150°C
300V
±0.0025%
over 95% coverage
no damage
±0.0025%
±0.001%
±0.0025%
over 10,000M
±0.0025%
±0.0025%
±0.0025%
±0.0025%
±0.01%
±0.0005 %
±0.01 %
-42dB
0.00003%/V
0.1 V/°C
Frequency Characteristics
Temperature of Resistor Surface
Precaution in Using HK or HL Resistors
When soldering to mount HK or HL on a board, keep the resistor over 10mm away from
the board surface by using an insulating tube.
)Wm(
tnemelE evitsise
R
fo ecafruS LH ,KH
00
4
rewoP deilppA
002
00
3
Wm/C¡6
1
.
0
=
R
LH ,KH
001
)C¡( T
02
01
0
6
0
5
0
4
0
3
)zHM( 001 05
005
k5
k05
01
ycneuqerF
5
1
5.0
1.0
051
)%(
001
05
)CD(R/)CA(R
esi
R
erutarepmeT
31
Test/Measurement
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