TECNOMEGA Componentes Electrónicos S.L.
Barrio Florida, 56 ; L-29
20120 HERNANI (SPAIN)
Phone: 34 943 330710 - Fax: 34 943 331106
e-mail: info@tecnomega.es

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Further
Information

 
S-2 - Silicone-Coated Axial-Lead Wirewound Resistors
SN-2 - Non-Inductive Silicone-Coated Axial-Lead WW Resistors
Miniature Series

Main Features

  • Very Short Dimensions
  • Maximum Reliability
  • Construction Totally Welded
  • Completely Flameproof
  • High Specific Power
  • Insulation Resistance > 1000Mohm.
  • Temperature Coefficient < +90 p.p.m/ºC
  • Permanent Marking


(mm)


GENERAL SPECIFICATIONS TABLE

TYPE POWER RATE
for Ths <= 275ºC		 OHMIC VALUES MAX. VOLTAGE
PERMITTED 		DIELECTRIC
STRENGTH 		TOLERANCES
T amb. 25ºC T amb. 70ºC MIN. MAX. Volts
S-2 2.5W 2W 0R075 2K4 52 V 500 V.c.a. ± 5%;± 2%;± 1%
SN-2 2.5W 2W 0R10 150R 37 V 500 V.c.a. ± 10%; ± 5%

 

RESISTOR TEMPERATURE RISE AS A FUNCTION OF APPLIED POWER POWER DERATING CURVE AS A FUNCTION OF THE AMBIENT TEMPERATURE

APPLIED POWER IN W
AMBIENT TEMPERATURE ºC

 

CONSTRUCTION

CORE: Rectified Steatite Rod of High Al2O3 contents.
END CAPS: Stainless Steel AlSi-305 Mounted under Pressure upon the Core
RESISTIVE WIRE: Ni-Cr or Cu-Ni Alloys. Electrically welded to End Caps, wound under dynamically controlled tension to 1/3 of its Elastic Limit.
WIRE LEADS: Electrolytic Copper, Tinned with Sn-Pb 60/40.
RESISTOR COATING: Thick coat of special Silicone-Cement bearing High Temperatures

For Special Ohmic Values, Consult Technical Department.

Ordering Example:

S-2 - 0R1  ± 1%
Type Ohm.Value Tol.