Rev Date: 11/30/2020

1

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Please confirm technical specifications before you order and/or use.

LVM / NVM / WVM Series

Ceramic Housed Vertical Mount Resistor

Stackpole Electronics, Inc.

Resistive Product Solutions

Performance Characteristics

Features:

•

Flameproof inorganic construction

•

High temperature potting compound

•

LVM

– Low resistance wire or ribbon element

•

NVM

– Non-inductively Ayrton Perry winding

•

WVM

– Precision wirewound element

•

100% RoHS compliant and lead free without exemption

•

Halogen free

•

REACH compliant

LVM:

WVM:

Electrical Specifications

Mechanical Specifications

0.382 ± 0.039

0.988 ± 0.059

0.520 ± 0.039

0.201 ± 0.059

0.031 ± 0.002

0.138 ± 0.020

inches

9.70 ± 0.99

25.10 ± 1.50

13.21 ± 0.99

5.11 ± 1.50

0.79 ± 0.05

3.51 ± 0.51

mm

0.382 ± 0.039

1.520 ± 0.059

0.520 ± 0.039

0.201 ± 0.059

0.036 ± 0.002

0.138 ± 0.020

inches

9.70 ± 0.99

38.61 ± 1.50

13.21 ± 0.99

5.11 ± 1.50

0.91 ± 0.05

3.51 ± 0.51

mm

0.480 ± 0.039

1.374 ± 0.059

0.634 ± 0.039

0.299 ± 0.059

0.036 ± 0.002

0.138 ± 0.020

inches

12.19 ± 0.99

34.90 ± 1.50

16.10 ± 0.99

7.59 ± 1.50

0.91 ± 0.05

3.51 ± 0.51

mm

LVM10, NVM10, WVM10

Type/Code

C

D

Unit

LVM7, NVM7, WVM7

LVM5, NVM5, WVM5

A

B

Lead Diameter

Lead Length

Moisture Resistance

± 5%

Thermal Shock

± 2%

Load Life @ 70

C - 1000 hours

± 5%

Resistance to Soldering Heat

± 2%

Short Time Overload - 5 X Pn for 5 seconds

± 2%

Dielectric Withstanding Voltage

± 2%

Test

Test Result

Operating temperature range is -55ºC to +275ºC

0.5%

1%

5%

10%

LVM5

5

-

LVM7

7

-

LVM10

10

-

NVM5

5

350

< 1 Ω = ± 90 ppm

0.1 - 2.4 K

-

NVM7

7

500

1 Ω to 10 Ω = ± 50 ppm

0.1 - 3.9 K

-

NVM10

10

700

> 10 Ω = ± 20 ppm

0.1 - 3.9 K

-

WVM5

5

350

< 1 Ω = ± 90 ppm

-

WVM7

7

500

1 Ω to 10 Ω = ± 50 ppm

-

WVM10

10

700

> 10 Ω = ± 20 ppm

-

Resistance Temperature Coefficient Standard

Maximum Working Voltage is limited by

unless specified otherwise.

Type / Code

± 50 ppm to ± 400 ppm

depending on value

Power Rating

(W)

@ 70ºC

Ohmic Range (Ω) and Tolerance

Voltage Rating

(V)

TCR (ppm/°C)

0.1 - 5 K

0.1 - 8 K

0.1 - 8 K

0.01 - 0.1

0.02 - 0.15

0.02 - 0.15

-

-

-

√ P*R

√ P*R