Precision Non-Military
™
Precision Non-Military
Precision Non-Military
Metal Glaze
™
Resistors
Metal Glaze Resistors
Metal Glaze™ Resistors
·
·
·
·
·
·
RG series
RG series
RG series
Excellent pulse handling
Excellent pulse handling
Excellent pulse handling
Carbon comp. alternative
Carbon comp. alternative
Carbon comp. alternative
1/8
1/8 watt to
watts
watt to 3
3 watts
1/8 watt to 3 watts
0.4
0.4 ohm to 5.1 megohms
ohm to 5.1 megohms
0.4 ohm 5%5.1 megohms
0.5% to to tolerance; 0.1% in selected ranges
0.5% to 5% tolerance; 0.1% in selected ranges
±25 ppm/°C to ±200 ppm/°C
0.5% to 5% tolerance; 0.1% in selected ranges
Welwyn Components
Welwyn Components
±25 ppm/°C to
to ±200 ppm/°C
±200 ppm/°C
±25 ppm/°C
Electrical Data
Electrical Data
Power
Power
Max.
Max.
Volt.
Rtg.
200
Nominal
Nominal
Resistance
Range (Ω)
Type
Type
RG
1
/
8
1
RG
1
/
4
MIL
-
-
-
-
-
-
-
-
-
MIL
-
-
-
-
-
-
-
-
-
Type
Type
Marking
Band
Band
Band
Marking
(±%)
2, 5
5
5
5
.5, 1
.5, 1
.5,
.5, 1
.5, 1
5
2, 5
(±%)
Tol
Tol
T.C.
(ppm/°C)
200
200
T.C.
Rating
0.25
0.5
5
(ppm/°C)
200
200
200
200
100
100
50
25
50
100
25
100
100
100
(watts @70°C)
Rating
0.25
5
Volt.
Rtg.
200
Resistance
Range (Ω)
Size
(watts @70°C)
1
0.5
(watts)
0.125
0.25
Size
Dimens.
Code
1
2
3
1
1
1
1
2
3
2
2
4
4
5
5
2
3
2
2
2
4
4
4
Dimens.
Code
1
2
3
1
1
1
1
2
3
2
2
4
4
5
5
2
3
2
2
2
RG
1
/
8
1
4R3 to 1M5
(watts)
0.125
0.25
0.5
RG
1
/
4
1
/
2
RG
RG
1
/
2
TO-50
1
TO-50
1
1
T2-50
T9-50
1
T2-50
1
TF-05
T9-50
1
TF-07
TF-05
1
1
Band
Band
Band
Legend
Legend
Legend
Legend
Legend
Band/Legend
Legend
Band/Legend
Band/Legend
250
6
6
4R3 to
350
250
4R3 to 5M1
5M1
0.5
4R3 to 5M1
4R3 to 1M5
0.25
1
200
350
200
200
200
200
200
200
4R3 to
10R to 1M
5M1
0.125
0.25
0.125
0.125
0.125
0.25
0.125
0.5
0.25
1
0.5
0.5
10R
10R to 1M
to 1M
0.125
0.125
10R to1M
to 1M
0.125
0.125
10R
1, 2, 5
.5, 1
1, 2, 5
1, 2, 5
TF-07
TF-20
TF-20
GF-55
GF-60
GF-07
Flame Resist
2
Flame Resist
2
Flame Resist
2
Band/Legend
Legend
Legend
Legend
Band/Legend
1, 2, 5
1, 2, 5
2, 5
1
1
1, 2, 5
Band/Legend
Legend
Legend
Legend
Legend
Legend
Legend
Legend
Legend
Band
Legend
Band
Band/Legend
50
4
, 100
50
4
, 100
100
0.5
1
0.5
0R4, 9M9
to1M
0.125
0.125
10R
250
200
0R4 to
0R4, 9M9
0.25
0.125
9M9
250
0R4 to 9M9
0.5
250
250
350
250
GF-55
Flame Resist
2
1
50
4
, 100
100
100
100
50
4
, 100
200
100
100
250
250
0R4, 2M
0R4, 2M
0R4, 2M
0R4 to 9M9
0R4, 2M
0R4 to 9M9
0.25
0.5
0.5
3
3
0.25
0.5
0.25
GF-07
Flame Resist
2
2
GF-20
Flame Resist
GF-60
Flame Resist
2
2
GF-3
Flame Resist
GF-20
Flame Resist
2
Flame Resist
GF-3
GS-3
Flame Resist
2
2
-
GS-3
RG-07
Flame Resist
2
RG-20
-
2, 5
2, 5
1,
1
5
2,
0.5
0.75
2
0.75
3
0.75
2
2
3
3
0.5
2
1
0.5
0.75
0.25
0.25
0.5
0.5
3
3
0.25
0.5
0.25
0.25
0.25
350
250
750
350
0R4,
0R4, 2M
2M
0R4,
1R to 2M
2M
0R4, 2M
1R to
1R to 2M
3M
2, 5
1, 2,
1, 2, 5
350
1000
750
50
4
, 100
200
200
50
4
, 100
200
100
50
25
1,
2, 5
5
2,
2, 5
.1, .5, 1
3
.1, .5, 1
3
3
.1, .5, 1
3
.1, .5, 1
3
.1, .5, 1
3
.1, .5, 1
3
.1, .5, 1
3
.1, .5, 1
RG-07
RG-20
TO-55
T2-55
T9-55
-
-
-
-
-
-
-
-
-
-
-
3
1
250
1000
4R3 to
1R to 3M
0.25
5M1
350
4R3 to 5M1
0.5
200
200
200
Band
Band
Legend
2, 5
200
TO-55
T0-60
T2-55
T2-60
T9-55
T9-60
Band/Legend
Band/Legend
Legend
Legend
Legend
Legend
Legend
.1, .5, 1
3
2, 5
200
0.25
0.25
0.5
250
350
10R to 3M01
10R to 3M01
10R to 3M01
4R3 to 5M1
0.25
4R3 to 5M1
0.25
0.25
100
100
50
50
25
25
0.5
0.75
0.25
0.5
0.25
0.5
10R to
300
200
10R to 3M01
3M01
0.5
10R to
250
200
10R to 3M01
3M01
0.5
10R to
250
200
10R to 3M01
3M01
0.5
T0-60
-
Band/Legend
.1, .5, 1
3
100
0.75
4
300
10R to 3M01
0.5
4
1
Below 10 ohms only available in 100 ppm.
Conformally coated construction on all
1
/
8
W nominal size resistors.
T2-60
-
Legend
.1, .5, 1
3
50
0.5
5
1 watt @ 70°C available -
3M01
factory.
250
10R to
consult
0.5
4
2
Contact factory for details on flame-resistant specifications.
3
factory for details on higher voltage rating.
4
T9-60
-
Legend
25
0.5
6
Contact
250
10R to 3M01
0.5
Only available in F tolerance above
.1, .5, 1
3
2M ohm.
1
2
3
4
Below 10 ohms only available in 100 ppm.
Conformally coated construction on all
1
/
8
W nominal size resistors.
5
1 watt @ 70°C available - consult factory.
Contact factory for details on flame-resistant specifications.
General Note
6
Only available in
reserves the right to make changes
ohm.
specification without notice or liability.
Contact factory for details on higher voltage rating.
General Note
Welwyn Components
F tolerance above 2M
in product
TT electronics reserves the to Welwyn’s own data and is considered accurate at time of going to print.
A subsidiary of
All information is subject right to make changes in product specification without notice or liability.
TT electronics plc
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
03. 08
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
General Note
184
© TT electronics plc
11. 11
Welwyn Components reserves the right to make changes in product specification without notice or liability.
Precision Non-Military
Precision Non-Military
Metal Glaze™ Resistors
Metal Glaze
™
Resistors
RG series
RG series
Welwyn Components
Performance Data
RG ‘To’ Film Temp. Rise
120
o
C)
RG07, TO-55
GS-3 Surface Temp. Rise
200
% Of Commercial Rated Power
o
C)
Commercial Power Derating
100
(in many cases, 2X MIL Spec. power rating)
100
80
60
40
20
0
RG 1/8W
TO-60
*
150
100
50
0
0
25
50
75
% Of Power Rating
100
80
60
40
20
0
70
RG1/8, RG1/4, RG07,
RG20, TF07, TF20
Temperature (
RG20, RLR20
**
Temperature (
TO/T2
55 & 60
0 0.2 0.4 0.6 0.8 1.0 1.2
Applied Power (watts)
125
150
Ambient Temperature(
175
o
C)
RG Series Surge Capability for Repetitive Surges
1,000
RG 1/4 High-frequency Characteristics
100
50‰
2K‰
10K‰
Peak Power (Watts)
100
RG-1/4W
% of DC Resistance
RG-1/2W
GS-OW
10
RG-1/8W
50
20
100K‰
1
1.OE.04
1.OE.03
1.OE.02
1.OE.01
1.OE.00
1
10
100
1000
Surge or Pulse Duration (seconds)
Frequency (MHz)
Note: Use for repetitive pulses where the average power dissipation is not to
exceed the component rating at 70°C.
Surge handling capacity for low-repetitive surges may be significantly greater
than shown above. Contact factory for recommendations
Performance Data
Dimensions (mm)
Dim
Code
1
2
3
4
5
Nominal
Size (watts)
0.125
0.25
0.5
0.5
3
Body Length
BL
3.8±0.3
6.4±0.4
9.9±0.3
9.9±0.3
13.1±0.3
Body Dia.
BD
1.7±0.2
2.3±0.2
3.6±0.2
3.6±0.2
5.7±0.2
Lead Length
LL
25.4±3.2
38.1±3.2
38.1±3.2
38.1±3.2
38.1±3.2
Lead Dia.
LD
0.41±0.05
0.64±0.05
0.81±0.05
0.64±0.05
0.81±0.05
Clean
Lead
5.7
7.9
11.4
11.4
14.6
BD
LD
BL
LL
Packaging
Resistors are supplied taped and reeled.
Bulk packaging available upon request.
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© Welwyn Components Limited
Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
© TT electronics plc
03. 08
11. 11
185
Precision Non-Military
Metal Glaze
™
Resistors
Metal Glaze™ Resistors
RG series
RG series
Precision Non-Military
Welwyn Components
Ordering Procedure
Example: GF07 at 100 ohms and 5% tolerance packed on a reel of 5000 pieces -
G F 07
–
1 0 0 R J
I
Type
Value (use IEC62 code)
Tolerance (use IEC62 code)
B
D
0.1%
0.5%
F
G
1%
2%
J
5%
Note: Check Electrical Data for available
tolerances for each type.
Packing
I
Tape
Dimension codes 1 & 2
Dimension code 3
5000/reel
3500/reel
Standard
Note: RG1/8, RG1/4 and RG1/2 are SnPb finish instead of Pb-free so the
packing suffix is replaced with
PB.
Example:
RG1/4 - 100RJPB
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and Northumberland NE22 at time of going to print.
© Welwyn Components Limited
Bedlington, is considered accurate 7AA, UK
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
03. 08
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
© TT electronics plc
11. 11
185
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