Tubular Vitreous Enamelled Wirewound Resistors - TT electronics ...

Tubular Tubular Vitreous Vitreous Enamelled
Enamelled
Enamelled
Wirewound Wirewound Resistors
Resistors
1600/1900 1600/1900 Series
Series
Welwyn Welwyn Components
Components
Electrical Electrical
Data (continued)
Data (continued)
Table
Table
1
1
*Dissipation (watts) to Resistance range (ohms) Limiting Low inductance
*Dissipation
*Dissipation
(watts)
(watts)
to
to
Resistance
Resistance
range
range
(ohms)
(ohms)
Limiting
Limiting
Low
Low
inductance
inductance
produce operating element winding resistance
produce
produce
operating
operating
element
element
winding
winding
resistance
resistance
hotspot temperature (°C) of: voltage range (ohms)
hotspot
hotspot
temperature
temperature
(°C)
(°C)
of:
of:
voltage
voltage
range
range
(ohms)
(ohms)
Ambient = 20°C Ambient Minimum Termination Min. res. at
Ambient
Ambient
= 20°C
20°C
Ambient
Ambient
Minimum
Minimum
Termination
Termination
Min.
Min.
res.
res.
at
at
= 70°C resistance at style
= 70°C
70°C
resistance
resistance
at
at
style
style
Max. at
Max. at
Max.
Max.
at
at
Max.
Max.
at
at
Type
any
either
Type
Type
any
any
either
either
200 300 375 375 ±5% ±2% ±1% tolerance C All others ±10% ±5% tolerance
200
200
300
300
375
375
375
375
±5%
±5%
±2%
±2%
±1%
±1%
tolerance
tolerance
C All
All
others
others
±10%
±10%
±5%
±5%
tolerance
tolerance
1601 5 10 14 11 1 15 25 15k 250 150 10 50 1.3k
1601
1601
5 10
10
14
14
11
11
1 15
15
25
25
15k
15k
250
250
150
150
10
10
50
50
1.3k
1.3k
1905 7 14.5 20 16 1 15 30 30k - 450 10 50 3.5k
1905
1905
7 14.5
14.5
20
20
16
16
1 15
15
30
30
30k
30k
- 450
450
10
10
50
50
3.5k
3.5k
1600 7.5 15 21 16.5 1 15 30 56k - 600 10 50 5.0k
1600
1600
7.5
7.5
15
15
21
21
16.5
16.5
1 15
15
30
30
56k
56k
- 600
600
10
10
50
50
5.0k
5.0k
1602 8 15.5 22 17 1 20 25 43k 500 350 10 50 4.0k
1602
1602
8 15.5
15.5
22
22
17
17
1 20
20
25
25
43k
43k
500
500
350
350
10
10
50
50
4.0k
4.0k
1906 9.5 19 28 22 1 20 30 50k 700 550 10 50 5.5k
1906
1906
9.5
9.5
19
19
28
28
22
22
1 20
20
30
30
50k
50k
700
700
550
550
10
10
50
50
5.5k
5.5k
1603 11 22 32 25 1 20 30 83k 850 750 10 50 7.5k
1603
1603
11
11
22
22
32
32
25
25
1 20
20
30
30
83k
83k
850
850
750
750
10
10
50
50
7.5k
7.5k
1604 15.5 31 45 35 1 20 60 100k 1300 1000 15 50 11.5k
1604
1604
15.5
15.5
31
31
45
45
35
35
1 20
20
60
60
100k
100k
1300
1300
1000
1000
15
15
50
50
11.5k
11.5k
1605 21 41 59 47 1 30 40 100k 1100 900 15 50 14k
1605
1605
21
21
41
41
59
59
47
47
1 30
30
40
40
100k
100k
1100
1100
900
900
15
15
50
50
14k
14k
1908 24 47 68 54 1 30 40 100k 1200 1000 10 50 16k
1908
1908
24
24
47
47
68
68
54
54
1 30
30
40
40
100k
100k
1200
1200
1000
1000
10
10
50
50
16k
16k
1607 34 66 95 76 1 30 50 100k 1300 900 15 50 22k
1607
1607
34
34
66
66
95
95
76
76
1 30
30
50
50
100k
100k
1300
1300
900
900
15
15
50
50
22k
22k
1606 41 80 115 91 1 30 40 160k 2100 1900 15 50 32k
1606
1606
41
41
80
80
115
115
91
91
1 30
30
40
40
160k
160k
2100
2100
1900
1900
15
15
50
50
32k
32k
1608 52 101 145 115 1 30 50 180k 2100 1800 20 50 38k
1608
1608
52
52
101
101
145
145
115
115
1 30
30
50
50
180k
180k
2100
2100
1800
1800
20
20
50
50
38k
38k
1609 74 145 208 165 1 35 50 250k 3000 2500 30 100 58k
1609
1609
74
74
145
145
208
208
165
165
1 35
35
50
50
250k
250k
3000
3000
2500
2500
30
30
100
100
58k
58k
*The
*The
stated stated
dissipation dissipation
applies applies
to to
resistors resistors
mounted mounted
horizontally horizontally
with with
unobstructed unobstructed
bore.
bore.
Performance Performance
Data
Data
Max
Typ
Max
Max
Typ
Typ
Load : 1000 hours at 70°C ∆R% 5.0 3.5
Load
Load
: 1000
1000
hours
hours
at
at
70°C
70°C
∆R%
∆R%
5.0
5.0
3.5
3.5
Shelf life : 12 months at room temperature ∆R% 1.0 0.1
Shelf
Shelf
life
life
: 12
12
months
months
at
at
room
room
temperature
temperature
∆R%
∆R%
1.0
1.0
0.1
0.1
Climatic ∆R% 0.5 0.35
Climatic
Climatic
∆R%
∆R%
0.5
0.5
0.35
0.35
Long term damp heat ∆R% 0.2 0.05
Long
Long
term
term
damp
damp
heat
heat
∆R%
∆R%
0.2
0.2
0.05
0.05
Bump and vibration ∆R% 0.1 0.02
Bump
Bump
and
and
vibration
vibration
∆R%
∆R%
0.1
0.1
0.02
0.02
Noise (in a decade of frequency) ∆R% zero zero
Noise
Noise
(in
(in
a decade
decade
of
of
frequency)
frequency)
∆R%
∆R%
zero
zero
zero
zero
Pulse Handling Data
Available by request
Pulse
Pulse
Handling
Handling
Data
Data
Available
Available
by
by
request
request
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
© All Welwyn information Components is subject to TT Limited electronics’
Bedlington,
own data and
Northumberland
is considered accurate
NE22 7AA,
at time
UK
of going to print.
© www.bitechnologies.com www.irctt.com www.welwyn-tt.com
Welwyn
Welwyn
Components
Components
Limited Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: Limited+44 Bedlington, (0) 1670 Northumberland 829465 · Email: info@welwyn-tt.com NE22 7AA, UK · Website: www.welwyn-tt.com
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Telephone: © TT electronics +44 (0) 1670 plc822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
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