第1页,共
9
页
Rating
MW 28-C SL
Thermal Class 155°C
610XXX -series, Solder able with-
out removing the overcoat.
11/18/2016
CnC Part Number
Series
Date of Revision
Part Numbers
Part Number
610214
610216
610218
610220
610222
610224
610226
610228
610230
610232
610234
Description
MW-28C SL 14AWG 1KG/2.2LBS
MW-28C SL 16AWG 1KG/2.2LBS
MW-28C SL 18AWG 1KG/2.2LBS
MW-28C SL 20AWG 1KG/2.2LBS
MW-28C SL 22AWG 1KG/2.2LBS
MW-28C SL 24AWG 1KG/2.2LBS
MW-28C SL 26AWG 1KG/2.2LBS
MW-28C SL 28AWG 1KG/2.2LBS
MW-28C SL 30AWG 1KG/2.2LBS
MW-28C SL 32AWG 1KG/2.2LBS
MW-28C SL 34AWG 1KG/2.2LBS
Approval
Publish
万永红
Examination
刘明胜
Issue
黄平
第2页,共
9
页
Revision Form
TYPE: MW 28-C SL
DATE
2014.06.17
2016.11.18
REVISION ITEM
New publishing
REV 01
第3页,共
9
页
1. Scope
This Standard specifies thermal class 155 °C MW 28-C SL enameled copper wires
to be used in windings and wirings of electric machines and apparatus, electric
communication equipment, electronic equipment and electrical instruments.
2. Classes and Symbols
The wires are classified according to the conductor and thickness of film, and the
classes and symbols is as Table 1.
Table 1
Class
Class Heavy film polyurethane enameled copper wire
Class Single film polyurethane enameled copper wire
Symbol
MW 28-C HY
MW 28-C SL
3. Thermal Class
TI:155℃
4. Characteristics
The characteristics of the wires shall comply with Table 2, when tested in accordance
with 6.
Table 2
Test Method
Test items
Characteristics
Test requirements
Clause
Used
Dimensions
Pinhole
Comply with Attached Table 4
Heavy Class
3Max
——
L = 5M
6.1
6.2
Mandrel
Winding
3d
1d
6.3
Single
Class
5Ma
x
AWG
Size Elongation
14~20
20%
15%
20% (Or to
its breaking
point,
Whichever is
less)
Flexibility
The coating shall show no crack
on the conductor
21~30
31~44
3d
Adhesion
Abrasion
Breakdown Voltage
No cracks visible in the film such
as
to expose the
Comply with Attached Table
Comply with Attached Table4
——
——
——
6.4
6.5
6.6
Cut through
Not cut through at 170℃ 2min
,
——
6.7
Continuous Table 2
Test Methods
Test items
Characteristics
Test requirements
AWG
Size
14~30
Elongation
Clause
Used
Mandrel
Winding
3
20%
20%(Or to
its breaking
point,
whichever
is
less)
Heat shock resistance
No cracks visible in the film such as
to expose the conductor
31~44
3
d
6.8
The specimen shall be heated
to175±5℃ in 3d for half an hour
Solvent resistance
No bubbles or blisters visible in the
film, with nail or 2H, film shall not be
peeled
Pencil method
Solder
Soakage
AWG
Tempera-
Size
Time
ture
℃
6.9
Solder-ability
610XXX -series, Solder able without
removing the overcoat.
14~19
20~23
24~29
30~36
37~44
430℃
430℃
360℃
360℃
360℃
——
——
10S
8S
6S
5S
4S
6.10
Conductor Resistance
Elongation
Comply with Attached Table4
Comply with Attached Table4
6.11
6.12