HZ Datasheet, PDF (2/5 Pages) Vishay Siliconix – Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ± 0.2 ppm/°C, Tolerance of ± 0.001 % and

HZ Series (Z-Foil)
Vishay Foil Resistors
Hermetically Sealed Ultra High Precision Z-Foil
Technology Resistors with TCR of ± 0.2 ppm/°C, Tolerance
of ± 0.001 % and Load Life Stability of ± 0.005 %
TABLE 2 - MODEL SELECTION
MODEL
NUMBER
RESISTANCE
RANGE
(Ω)
STANDARD RESISTANCE
TOLERANCE
MAXIMUM
WORKING
TIGHTEST LOOSEST _VOLTAGE2)
(Ω)
(%)
POWER
RATING
at + 25 °C
AVERAGE
WEIGHT
(g)
CONSTRUCTION
BRIEF
DIMENSIONS³⁾
INCHES
mm
VHP202Z
VHP202ZJ
10 to 66k
66K to 100K
300
0.3 W
1.4
Oil-filled, tinned W: 0.185 ± 0.020 4.70 ± 0.51
0.2 W
copper leads, nickel L: 0.435 ± 0.020 11.05 ± 0.51
shell, kovar and H: 0.430 ± 0.020** 10.92 ± 0.51
glass header LL: 1.000 ± 0.125 25.4 ± 3.18
LS: 0.150 ± 0.010⁴⁾ 3.81 ± 0.25
ST: 0.095 Max. 2.41 Max.
VHA412Z
10 to 66K
66K to 100K
250
0.3 W
4.6
0.2 W
L: 0.625 ± 0.031
D: 0.375 ± 0.031
LL: 1.000 Min.
15.88 ± 0.79
9.53 ± 0.79
25.4 Min.
VHA414Z 5 to 120K
350
> 120K to 200K
VHA512Z*
5 to 180K
180K to 300K
1K to †¹⁾ ± 0.001 ± 0.1
500 to < 1K ± 0.0025 ± 0.1
50 to < 500 ± 0.005 ± 0.1
350
30 to < 50 ± 0.01 ± 0.1
VHA516-4Z* 5 to 240K
20 to < 30 ± 0.02 ± 0.1
500
> 240K to 400K _{10 to < 20 ± 0.05 ± 0.1}
VHA516-5Z* 5 to 300K
5 to < 10 ± 0.1 ± 0.1
> 300K to 500K
VHA516-6Z* 5 to 360K
> 360K to 600K
0.5 W
0.3 W
0.75 W
0.4 W
1.0 W
0.5 W
1.25 W
0.6 W
1.5 W
0.7 W
7.3
L: 1.000 ± 0.031 25.4 ± 0.79
D: 0.375 ± 0.031 9.53 ± 0.79
LL: 1.000 Min.
25.4 Min.
6.3
L: 0.625 ± 0.031 15.88 ± 0.79
D: 0.500 ± 0.031 12.7 ± 0.79
LL: 1.000 Min.
25.4 Min.
9.2
L: 1.000 ± 0.031 25.4 ± 0.79
Oil-filled,
D: 0.500 ± 0.031 12.7 ± 0.79
tinned copper _{LL: 1.000 Min.}
25.4 Min.
leads, tinned brass
shell, kovar and
glass end bells
VHA518-7Z* 5 to 420K
600
> 420K to 700K
VHA518-8Z* 5 to 480K
> 480K to 800K
VHA518-9Z* 5 to 540K
> 540K to 900K
VHA518-10Z* 5 to 600K
> 600K to 1.0M
VHA518-11Z* 5 to 660K
> 660K to 1.1M
Notes
* Available in a 4-lead terminal: VHA512 please use 302073Z
VHA516 please use 302074Z
VHA518 please use 302075Z
** 0.375 H available
See next page for numbered footnotes
1.75 W
13.5
0.8 W
2.0 W
0.9 W
2.25 W
1.0 W
2.5 W
1.1 W
2.5 W
1.2 W
L: 1.500 ± 0.031
D: 0.500 ± 0.031
LL: 1.000 Min.
38.1 ± 0.79
12.7 ± 0.79
25.4 Min.
FIGURE 2 - TYPICAL TCR CURVE Z-FOIL
FIGURE 3 - POWER DERATING CURVE
+ 500
+ 400
+ 300
+ 200
∆R ^{+ 100}
R
0
(ppm)- ₁₀₀
- 200
- 300
- 400
- 500
0.05 ppm/°C
- 0.1 ppm/°C
- 0.16 ppm/°C
0.1 ppm/°C
0.14 ppm/°C
0.2 ppm/°C
- 55 - 25
0 + 25 + 60 + 75 + 100 + 125
Ambient Temperature (°C)
- 55 °C
+ 100
+ 75
+ 50
+ 25
0
- 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175
Ambient Temperature (°C)
www.vishay.com
2
For any questions, contact: [e-mail]
Document Number: 63120
Revision: 17-Jun-08