Tubular Vitreous Enamelled Wirewound Resistors - TT electronics ...

Tubular Vitreous Enamelled
Wirewound Resistors
Tubular Vitreous Enamelled
Wirewound Resistors Resistors
1600/1900
1600/1900
1600/1900 Series
Series
Series
Welwyn
Welwyn Components
Components
126
126
126
Table
Table
Table 6
mounting
mounting
mounting
clip
clip
clip
dimension
dimension
dimension
(mm)
(mm)
(mm) See Fig. 11
See
See
Fig.
Fig.
11
11
Clip Type A B C D E F G H J K Auxiliary
Clip Type Auxiliary
Clip ref. Type type nom. A max B nom. C max D max E max F ±0.2 G dia H dia J nom K Auxiliary locking
ref. type nom. max nom. max max max ±0.2 dia dia nom locking
ref. type nom. max nom. max max max ±0.2 dia dia nom spring locking ref
spring ref
1601 52 68
spring ref
1601 52 68
1601 1602 52 70 68 86
1602 70 86
MD1 1603 1602 90 70 106 86 29 19 17.5 14.5 4.8 4.0 3.9 7.2 MD16
MD1 1603 90 106 29 19 17.5 14.5 4.8 4.0 3.9 7.2 MD16
MD1 MD4 1603 1604 121 90 106 137 29 19 17.5 14.5 4.8 4.0 3.9 7.2 MD16
MD4 1604 121 137
MD4 1604 1605 121 108 137 128
1605 108 128
1605 1906 108 83 128 99
1906 83 99
1906 1607 125 83 146 99
1607 125 146
MD3 1607 1608 125 176 146 197 49 33 32.0 19.0 6.4 4.0 6.3 9.5 MD18
MD3 1608 176 197 49 33 32.0 19.0 6.4 4.0 6.3 9.5 MD18
MD3 MD6 1608 1609 176 240 197 261 49 33 32.0 19.0 6.4 4.0 6.3 9.5 MD18
MD6 1609 240 261
MD6 1609 240 261
These mounting clips are suitable for termination styles C, CB and CP.
These
These
mounting
mounting
clips
clips
are
are
suitable
suitable
for
for
termination
termination
styles
styles
C,
C,
CB
CB
and
and
CP.
CP.
MD4, 5 and 6 have an ear formed in the bottom surface of the bracket to
MD4,
MD4, and
and have
have
an
an
ear
ear
formed
formed
in
in
the
the
bottom
bottom
surface
surface
of
of
the
the
bracket
bracket
to
to
prevent rotation of the mounting plate. The auxiliary locking springs
prevent
prevent
rotation
rotation
of
of
the
the
mounting
mounting
plate.
plate.
The
The
auxiliary
auxiliary
locking
locking
springs
springs
ensure positive retention of the tube under severe mechanical shock
ensure
ensure
positive
positive
retention
retention
of
of
the
the
tube
tube
under
under
severe
severe
mechanical
mechanical
shock
shock
conditions. See Figure 11.
conditions.
conditions.
See
See
Figure
Figure
11.
11.
Table
Table
Table 7
Mounting
Mounting
Mounting
brackets
brackets
brackets
dimensions
dimensions
dimensions
(mm).
(mm).
(mm). See Fig. 12.
See
See
Fig.
Fig.
12.
12.
Bracket Type A B C D E
Bracket Type Bracket ref. Type nom A nom B nom C nom D nom E
ref. nom nom nom nom nom
ref. MD40 1600 nom 78 nom 92 nom 10 nom 20 nom 4.2
MD40 1600 78 92 10 20 4.2
MD40 1600 1905 78 73 92 87 10 20 4.2
1905 73 87
1905 1601 73 50 87 64
1601 50 64
1601 1602 50 68 64 82
1602 68 82
MD41 1602 1603 68 91 105 82 13 20 4.2
MD41 1603 91 105 13 20 4.2
MD41 1603 1604 119 91 105 133 13 20 4.2
1604 119 133
1604 1906 119 81 133 95
1906 81 95
MD42 1906 1605 106 81 120 95
MD42 1605 106 120
MD42 1605 1606 106 183 120 197 20 25 5.2
1606 183 197 20 25 5.2
1606 1908 183 119 197 133 20 25 5.2
1908 119 133
1908 1607 119 121 133 143
1607 121 143
MD43 1607 1608 121 171 143 193 28 30 5.2
MD43 1608 171 193 28 30 5.2
MD43 1608 1609 171 235 193 257 28 30 5.2
1609 235 257
1609 235 257
These brackets are suitable for termination styles B, 4B, AP & AW
These
These
brackets
brackets
are
are
suitable
suitable
for
for
termination
termination
styles
styles
B,
B,
4B,
4B,
AP
AP AW
AW
Table
Table
Table 8
Mounting
Mounting
Mounting
plug
plug
plug
dimensions
dimensions
dimensions
(mm)
(mm)
(mm) See Fig. 13.
See
See
Fig.
Fig.
13.
13.
Type A B C
Type Type A Min. B Max.
C
Min.
Max.
1601
Min.
Max.
1601
1601 1602
1602
1602 1603 1.6 3.7 5.3 M4
1603 1.6 3.7 5.3 M4
1603 1604
1.6 3.7 5.3 M4
1604
1906 1604
1906
1906 1605
1605
1605 1606 1.6 3.7 5.3 M5
1606 1.6 3.7 5.3 M5
1606 1908
1.6 3.7 5.3 M5
1908
1908 1607
1607
1607 1608 3.2 5.2 6.8 M6
1608 3.2 5.2 6.8 M6
1609 1608 3.2 5.2 6.8 M6
1609
1609
F type bushes are suitable for termination styles B, 4B AP and AW
type
type
bushes
bushes
are
are
suitable
suitable
for
for
termination
termination
styles
styles
B,
B,
4B
4B
AP
AP
and
and
AW
AW
Ordering
Ordering
Ordering
Procedure
Procedure
Procedure
Mounting clips (and auxiliary locking
Mounting
Mounting
clips
clips
(and
(and
auxiliary
auxiliary
locking
locking
springs when required) should be ordered
springs
springs
when
when
required)
required)
should
should
be
be
ordered
ordered
units and the type reference specified.
in
in
units
units
and
and
the
the
type
type
reference
reference
specified.
specified.
Ordering
Ordering
Ordering
Procedure
Procedure
Procedure
Mounting brackets should be ordered in
Mounting
Mounting
brackets
brackets
should
should
be
be
ordered
ordered
in
in
units and the type reference specified.
units
units
and
and
the
the
type
type
reference
reference
specified.
specified.
Ordering
Ordering
Ordering
Procedure
Procedure
Procedure
Mounting plugs are denoted by the prefix
Mounting
Mounting
plugs
plugs
are
are
denoted
denoted
by
by
the
the
prefix
prefix
‘F’ added to the size reference;
‘F’
‘F’
added
added
to
to
the
the
size
size
reference;
reference;
e.g. BF1602 and APF1602.
e.g.
e.g.
BF1602
BF1602
and
and
APF1602.
APF1602.
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All © information Welwyn Components is subject to TT electronics’ Limitedown Bedlington, data and Northumberland is considered accurate NE22 at 7AA, time UK of going to print.
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Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
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