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Specification
Film cacited rods
Sorted cap rods
Package
Range (Ω)

 

  Specification of Semi-finished Products

The semi-finished products indicate either film-coated rods or sorted cap rods. These semi-finished objects can be processed further by steps of film-cutting, lead wire welding and resin coating to produce the resistors.

We can provide both film-coated rods and sorted cap rods. Based on the aluminum oxide content in the sintering formulation of the rods, the rods can be categorized into 75% and 85%. Thought this content is not fixed and we can always customize to fulfill customer's needs. There are two kinds of resistive film available: Ni-P alloy film and Tin oxide film. The size of the rods available is flexible and can be customer made.


◆The 16 alphanumeric digits code for our semi-finished products are as below :
MO
Y85
1752
2R02R2
(Coating)
(Rod Type)
(Dimension)
(Capping)
(Resistance Range)
◆Illustration of alphanumeric code :
(1). Coating (2 digits): MO=Tin oxide film; MN=Ni-P alloy film.
(2). Rod type (3 digits): Based on the codes provided by the rods supplier.
(3). Dimension (4 digits): first two digits indicate diameter and the last two digits indicate length.
(4). Capping (1 digit): " + " = sorted cap rods; " - " = film-coated rods
(5). Resistance range (6 digits): The first and the last three digits show the resistance range.
  The detailed tables for film-coated rods and sorted cap rods are listed Table-7 and Table-8.


◆Specification and testing methods of semi-finished products: are listed in Table-1 :

Test
Specification
Test procedure
TCR (Temperature coefficient)

≦±300PPM/℃

RT+100℃, 30~45 min.
Refer to JIS C 5202.5.2
SOL (based on rod type)
70%: ±(1%+0.05Ω)
85%: ±(2%+0.1Ω)
6.25PR, 5 Sec.
Refer to JIS C 5202.5.5
Pulling strength
(for cap rods only)

1.3x2.7 (≧2Kg)
2x8; 2.5x8 (≧5Kg)
3x10, 3.35x10, 3.5x10 (≧10Kg)
4x14, 4.5x14, 4x22 (≧15Kg)
7x23, 7x28 (≧20Kg)
Refer to JIS C 5202.6.1

 

 

 

 

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