VHD144 VAISH [Vaishali Semiconductor], VHD144 Datasheet

VHD144

Manufacturer Part Number

VHD144

Description

Manufacturer

VAISH [Vaishali Semiconductor]

Datasheet

1.VHD144.pdf (5 pages)

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Vishay Models VHD200 and VHD144 are hermetic versions

of the molded divider 300144. The difference between them

is that the VHD144 has the full power rating of the 300144

while the VHD200 has a reduced power rating in exchange

for a full spectrum of values without the time delay for new

artwork (for values not yet tooled) and without NRE charges.

Further, the VHD200 is oil filled, providing additional

moisture protection and allowing considerable improvement

in ratio match and TCR tracking.

The value of the hermetic enclosure over the molded part is

in the long term performance. Moisture and oxygen both

pass through plastic and both contribute to long term

degradation of resistive elements. Divider ratios of 1:1 are

not as likely to lose ratio with time but as the ratios become

greater, the imbalance of power has more effect on the ratio

stability and the hermetic enclosure becomes of paramount

importance.

Our Application Engineering Department is available to

advise and make recommendations. For non-standard

technical requirements and special applications. Please

Notes

1. For resistance ratios outside the range, contact Vishay’s

2. The VHD200 is available in any required ratio between the

3. Power is proportional to the divider ratio.

* Pb containing terminations are not RoHS compliant, exemptions may apply

Document Number: 63036

Revision: 13-Nov-07

Any value at any ratio available within resistance range

TABLE 1 - VHD200 AND VHD144 SPECIFICATIONS

VISHAY

MODEL

VHD200

VHD144

Applications Engineering Department.

resistance values of 100 Ω and 20 kΩ, such that R

value between 100 Ω and 20 kΩ and R

between 100 Ω and 20 kΩ.

Example: In a VHD144 (1K/10K dual), the power rating would be

18 mW on the 1K and 182 mW on the 10K, for a total of 200 mW

on R

+ R

Any value from

Bulk Metal

RESISTANCE

AVAILABLE

100 Ω to 20K

per side

Voltage Dividers with TCR Tracking of 0.1 ppm/°C

RATIO

(Ω)

and Tolerance Match down to 0.001 %

0.1 W at + 25 °C (for the entire resistive

between the two elements (over 10K).

0.2 W at + 70 °C (for the entire resistive

element R

between the two elements.

Foil Hermetically sealed, Small Package,

POWER RATING

+ R

can also be any value

) divided proportionally

For any questions, contact: foil@vishay.com

can be any

3), 6)

AVAILABLE TO

FEATURES

•

• Tolerance:

• Power rating: VHD144 0.2 W at 70 °C (see table 1)

• Ratio stability: < 0.001 % (10 ppm) 0.2 W at 70 °C for 2000 h

• Electrostatic discharge (ESD) above 25 000 V

• Non inductive, non capacitive design

• Rise time: 1 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

• Non hot spot design

• Terminal finishes available:

• Any value available within resistance range (e.g. 1K234)

• Prototype samples available from 48 h. For more

• For better performances, please contact us

4. For power rating of values below 10K, contact the applications

5. Any value from 100 Ω to 20 kΩ inclusive is available with some

6. Maximum voltage is 200 V.

ABSOLUTE

Temperature coefficient of resistance (TCR):

Absolute: ± 2 ppm/°C typical

(- 55 °C to + 125 C, 25 °C ref.)

Tracking: 0.1 ppm/°C typical

information, please contact foil@vishay.com

± 0.005 %

engineering department.

derating of power.

STANDARD RESISTANCE

TOLERANCE

⎛

⎝

------------------ -

AVAILABLE TO

absolute to ± 0.005 %

match to 0.001 %

VHD200 0.1 W at 70 °C (see table 1)

⎞ P

⎠

0.001 %

0.005 %

MATCH

Vishay Foil Resistors

VHD200, VHD144

lead (Pb)-free

tin/lead alloy

AVAILABLE TO

⎛

⎝

for like values

< 0.5 ppm/°C

------------------ -

TRACKING

0.1 ppm/°C

< 1 ppm/°C

standard

VHD200,

VHD144

TCR

⎞ P

⎠

out

www.vishay.com

STABILITY

(ppm/yr)

SHELF

RoHS*

COMPLIANT

LIFE

Available

Pb-free

Related parts for VHD144

VHD144 Summary of contents

Page 1

... C, 25 °C ref.) Tracking: 0.1 ppm/°C typical • Tolerance: • Power rating: VHD144 0 °C (see table 1) • Ratio stability: < 0.001 % (10 ppm) 0 °C for 2000 h • Electrostatic discharge (ESD) above 25 000 V • Non inductive, non capacitive design • ...

Page 2

... Reference) - 200 - Ambient Temperature (°C) (For more details, see table 1) FIGURE 3 - VHD200 AND VHD144 STANDARD PRINTING AND DIMENSIONS in inches (millimeters) Standard Printing and Dimensions 0.398 (10.11) VISHAY 0.430 Date Code 0746 (10.92) Model No . VHD200 0.095 (2 ...

Page 3

... FOR EXAMPLE: ABOVE GLOBAL ORDER Y0076 V0058 TYPE: VHD144 VALUE: 2K/20K ABSOLUTE TOLERANCE: ± 0.02 % TOLERANCE MATCH: 0.01 % TERMINATION: lead (Pb)-free PACKAGING: bulk pack HISTORICAL PART NUMBER: VHD144T 2K/20K TCR2 (will continue to be used) VHD144 T MODEL TERMINATION VHD144 T = lead (Pb)-free ...

Page 4

... VHD200, VHD144 Bulk Metal Vishay Foil Resistors TABLE 3 - VHD144 AND VHD200 POPULAR RATIOS (other values available upon request) VCODE R1 V0009 20K V0010 20K V0100 20K V0055 19K4 V0223 17K5 V0097 15K V0094 10K V0001 10K V0042 10K V0006 10K V0226 9K V0003 ...

Page 5

All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or ...

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