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Y0788178R000V0L

Description
Fixed Resistor, Metal Foil, 0.6W, 178ohm, 300V, 0.005% +/-Tol, -2,2ppm/Cel, 4419,
CategoryPassive components    The resistor   
File Size413KB,6 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Download Datasheet Parametric View All

Y0788178R000V0L Overview

Fixed Resistor, Metal Foil, 0.6W, 178ohm, 300V, 0.005% +/-Tol, -2,2ppm/Cel, 4419,

Y0788178R000V0L Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid859199358
Reach Compliance Codecompliant
ECCN codeEAR99
structureHermetically Sealed
Lead length25.4 mm
lead spacing5.08 mm
Number of terminals2
Maximum operating temperature150 °C
Minimum operating temperature-55 °C
Package height10.92 mm
Package length11.05 mm
Package formRadial
Package width4.7 mm
method of packingBulk
Rated power dissipation(P)0.6 W
resistance178 Ω
Resistor typeFIXED RESISTOR
seriesVH
size code4419
technologyMETAL FOIL
Temperature Coefficient2 ppm/°C
Tolerance0.005%
Operating Voltage300 V
VH Hermetic
Hermetically Sealed High Precision
HermeticallySealedHighPrecisionBulkMetal®FoilTechnologyAerospaceResistors
Bulk Metal
®
Foil Technology Aerospace Resistors
TCR of ±1 ppm/°C, Tolerance to ±0.005% and Load-Life Stability of ±0.005%
FEATURES
Temperature coefficient of resistance (TCR):
–55°C to +125°C, + 25 °C ref.:
VH102K: ±1 ppm/°C typical
VHS102: ±2 ppm/°C typical
VHS555: ±5 ppm/°C maximum
• Tolerance: to ±0.005%
• Resistance range: 1 Ω to 150 kΩ (higher or lower
resistance values are available
• Load-life stability: 0.005% (70°C for 2000 h at rated
power)
• Electrostatic discharge (ESD) >25 000 V
• Power rating: 0.6 W at +70°C; 0.3 W at +125°C
• Non-inductive, non-capacitive design
• Non hot spot design
• Rise time: 1.0 ns without ringing
• Current noise: <–40 dB
• Thermal EMF: 0.05 μV/°C typical
• Voltage coefficient: <0.1 ppm/V
• Non-inductive: <0.08 μH
• Terminal finishes available: lead (Pb)-free; tin/lead alloy
• Impervious to harmful environments—oil filled
• For better performance, please see VH102Z datasheet
Any value at any
tolerance available
within resistance range
INTRODUCTION
The “VH” series of resistors is the hermetic version of
several molded “S” series devices. Hermetic sealing
eliminates the ingress of both oxygen, which degrades
resistors over long periods, and moisture which degrades
resistors more quickly. These parts are made with glass
to metal seal enclosures employing Kovar eyelets which
allow the copper leads to pass through the enclosure to
minimize the thermal EMF from the lead junctions. Rubber
fill between the metal housing and resistance element
acts both as a mechanical damper and thermal transfer
path.
VHS102 and VH102K are the hermetically-sealed
counterpart of the S102C and S102K high-performance
molded resistors. VHS555 is the hermetically-sealed
version of the S555, MIL style RNC90Y.
Table 1—Model Selection
Model
Number
Resistance
Range
(Ω)
30.1 to 150k
20 to <30.1
10 to <20
5 to <10
1 to <5
30.1 to 150k
16.2 to <30.1
4.99 to <16.2
1 to <4.99
Standard Resistance
Tolerance
(1)
(%)
Tightest
±0.005
±0.01
±0.05
±0.10
±0.25
±0.005
±0.05
±0.10
±0.25
Loosest
Maximum
Working
Voltage
(2)
Ambient Power Rating
(3)(4)
at +70°C
at +125°C
VH102K
(5)
VHS102
±1.0
300
±1.0
0.6 W
0.3 W
VHS555
(6)
Notes:
(1)
Standard resistance tolerance: ±0.005%; ±0.01%; ±0.02%; ±0.05%; ±0.1%; ±0.25%; ±0.5%; ±1.0%.
(2)
Not to exceed power rating of resistor.
(3)
See Figure 2.
(4)
Above 100 kΩ, VHS102 power is derated to 0.4 W at +70°C, and 0.2 W at +125°C.
(5)
Available from 1 Ω to 100 kΩ only.
(6)
Contains RNC90Y inside (4.99 Ω to 121 kΩ).
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document No.: 63004
Revision: 14-May-2015
For any questions, contact
foil@vpgsensors.com
www.vishayfoilresistors.com
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