Precision Non-Military
Precision Non-Military
Precision Non-Military
™ ™
Resistors
Metal GlazeResistors
Metal Glaze
Metal Glaze™ Resistors
RG series
series
RG
RG series
Excellent pulse handling
handling
•
Excellent pulse
•
Excellent pulse handling
Carbon comp. alternative
•
Carbon comp. alternative
alternative
•
Carbon comp.
watts
1/8 watt to 3
•
1/8 watt to 3 watts
•
1/8
ohm to 5.1
watts
0.4
watt to 3
megohms
0.4 ohm to 5.1 megohms
0.5% to
to
tolerance; 0.1%
•
0.4
•
ohm
5%
5.1 megohms
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
•
±25 ppm/°C to ±200 ppm/°C
•
±25 ppm/°C to ±200 ppm/°C
Welwyn Components
Welwyn Components
·
·
·
·
·
·
Electrical Data
Electrical Data
Nominal
Nominal
MIL
Tol
T.C.
Rating
Volt.
Resistance
Size
Dimens.
MIL
Tol
T.C.
Rating
Volt.
Resistance
Size
Dimens.
Type
Type
Marking
(±%)
(ppm/°C) (watts @70°C)
Rtg.
Range (Ω)
(watts)
Code
Type
Type
Marking
(±%)
(ppm/°C) (watts @70°C)
Rtg.
Range (Ω)
(watts)
Code
1
RG
1
/
8
-
Band
2, 5
200
0.25
200
4R3 to 1M5
0.125
1
RG
1
/
8
1
-
Band
2, 5
200
0.25
200
4R3 to 1M5
0.125
1
RG
1
/
4
250
6
-
Band
5
200
0.5
5
4R3 to 5M1
0.25
2
RG
1
/
4
250
6
-
Band
5
200
0.5
5
4R3 to 5M1
0.25
2
RG
1
/
2
-
Band
5
200
1
350
4R3 to 5M1
0.5
3
RG
1
/
2
-
Band
5
200
1
350
4R3 to 5M1
0.5
3
TF-05
1
-
Band/Legend
1, 2, 5
100
0.25
200
0R4 to 9M9
0.125
1
TF-05
1
-
Band/Legend
1, 2, 5
100
0.25
200
0R4 to 9M9
0.125
1
TF-07
-
Band/Legend
1, 2, 5
100
0.5
250
0R4 to 9M9
0.25
2
TF-07
-
Band/Legend
1, 2, 5
100
0.5
250
0R4 to 9M9
0.25
2
TF-20
-
Band/Legend
1, 2, 5
100
1
250
0R4 to 9M9
0.5
3
TF-20
-
Band/Legend
1, 2, 5
100
1
250
0R4 to 9M9
0.5
3
GF-55
Flame Resist
2
Legend
1
50
4
, 100
0.5
250
0R4, 2M
0.25
2
GF-55
Flame Resist
2
Legend
1
50
4
, 100
0.5
250
0R4, 2M
0.25
2
GF-07
Flame Resist
2
Legend
2, 5
100
0.5
250
0R4, 2M
0.25
2
GF-07
Flame Resist
2
Legend
2, 5
100
0.5
250
0R4, 2M
0.25
2
4
2
GF-60
Flame Resist
Legend
1
50 , 100
0.75
350
0R4, 2M
0.5
4
GF-60
Flame Resist
2
Legend
1
50
4
, 100
0.75
350
0R4, 2M
0.5
4
GF-20
Flame Resist
2
Legend
2, 5
100
0.75
350
0R4, 2M
0.5
4
GF-20
Flame Resist
2
Legend
2, 5
100
0.75
350
0R4, 2M
0.5
4
GF-3
Flame Resist
2
Legend
1, 2, 5
200
2
750
1R to 2M
3
5
GF-3
Flame Resist
2
Legend
1, 2, 5
200
2
750
1R to 2M
3
5
3
3
4
2
GS-3
Flame Resist
Legend
1, 2, 5
4
50 , 100
2
1000
1R to 3M
3
5
GS-3
Flame Resist
2
Legend
1, 2, 5
50 , 100
2
1000
1R to 3M
3
5
3
3
RG-07
-
Band
2, 5
200
0.5
250
4R3 to 5M1
0.25
2
RG-07
-
Band
2, 5
200
0.5
250
4R3 to 5M1
0.25
2
RG-20
-
Band
2, 5
200
1
350
4R3 to 5M1
0.5
3
RG-20
-
Band
2, 5
200
1
350
4R3 to 5M1
0.5
3
TO-55
-
Band/Legend
.1, .5, 1
3
100
0.5
200
10R to 3M01
0.25
2
TO-55
-
Band/Legend
.1, .5, 1
3
100
0.5
200
10R to 3M01
0.25
2
T2-55
-
Legend
.1, .5, 1
3
50
0.25
200
10R to 3M01
0.25
2
T2-55
-
Legend
.1, .5, 1
3
50
0.25
200
10R to 3M01
0.25
2
3
T9-55
-
Legend
.1, .5, 1
25
0.25
200
10R to 3M01
0.25
2
T9-55
-
Legend
.1, .5, 1
3
25
0.25
200
10R to 3M01
0.25
2
T0-60
-
Band/Legend
.1, .5, 1
3
100
0.75
300
10R to 3M01
0.5
4
T0-60
-
Band/Legend
.1, .5, 1
3
100
0.75
300
10R to 3M01
0.5
4
T2-60
-
Legend
.1, .5, 1
3
50
0.5
250
10R to 3M01
0.5
4
T2-60
-
Legend
.1, .5, 1
3
50
0.5
250
10R to 3M01
0.5
4
T9-60
-
Legend
.1, .5, 1
3
25
0.5
250
10R to 3M01
0.5
4
T9-60
-
Legend
.1, .5, 1
3
25
0.5
250
10R to 3M01
0.5
4
Power
Max.
1
4
1
Conformally coated construction on all Dimension Code 1 resistors.
Below 10 ohms only available in 100 ppm.
4
Conformally coated construction on all Dimension Code 1 resistors.
Below 10 ohms only available in 100 ppm.
This size is not recommended for new designs.
5
1 watt @ 70°C available - consult factory.
This size is not recommended for new designs.
5
1 watt @ 70°C available - consult factory.
6
2
Contact factory for details on flame-resistant specifications.
Contact factory for details on higher voltage rating.
6
Contact factory for details on flame-resistant specifications.
Contact factory for details on higher voltage rating.
3
Only available in F tolerance above 2M ohm.
Only available in F tolerance above 2M ohm.
Power
Max.
2
3
General Note
General Note
Welwyn
General Note
Components reserves the right to make changes in product specification without notice or liability.
Welwyn Components reserves the to Welwyn’s own data and is considered accurate at
notice
A subsidiary of
All information is subject right to make changes in product specification without
liability.
or liability.
TT electronics reserves the right to make changes in product specification without notice
time of going to print.
or
A subsidiary of
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
TT electronics plc
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
TT electronics plc
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
Bedlington, Northumberland NE22 7AA, UK
© Welwyn Components Limited
· ·Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
03. 08
Telephone: +44 (0) 1670 822181
03. 08
Telephone: +44 (0) 1670
© TT electronics plc
822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
184
184
04.14
RG_C.qxd 28/4/03 10:57 am Page 2
Precision Non-Military
Precision Non-Military
Metal Glaze™ Resistors
Metal Glaze
™
Resistors
Precision Non-Military
RG series
RG series
Glaze
™
Metal
RG series
Resistors
Welwyn Components
Welwyn Components
Performance Data
Performance Data
RG ‘To’ Film Temp. Rise
RG ‘To’ Film Temp.
RG07, TO-55
Rise
100
120
80
100
60
80
40
60
20
40
0
20 0
120
Temperature
Temperature (
o
C) (
o
C)
RG 1/8W
TO-60
*
RG07, TO-55
RG20, RLR20
**
TO-60
*
RG20,
RLR20
**
GS-3 Surface Temp. Rise
GS-3 Surface Temp. Rise
% Of Commercial Rated
% Of Commercial Rated Power Power
Commercial Power Derating
Commercial Power Derating
RG1/8, RG1/4, RG07,
80
100
60
80
40
60
20
40
0
20 70
RG20, TF07, TF20
RG1/8, RG1/4, RG07,
RG20, TF07, TF20
TO/T2
55 & 60
TO/T2
55 & 60
(in many MIL Spec. power rating)
(in many cases, 2X cases, 2X MIL Spec. power rating)
200
100
Temperature
Temperature (
o
C) (
o
C)
200
150
150
100
100
50
50
0
0
0
0
25
50
75
% Of Power Rating
25
50
75
% Of Power Rating
100
100
RG 1/8W
RG Series Surge Capability for Repetitive Surges
1,000
Peak Power
Peak Power (Watts) (Watts)
0.2 0.4 0.6 0.8 1.0 1.2
Applied Power (watts)
0
0 0.2 0.4 0.6 0.8 1.0 1.2
Applied Power (watts)
RG 1/4 High-frequency Characteristics
% of DC Resistance
% of DC Resistance
100
100
50
20
50
20 1
1
10
100
50‰
2K‰
10K‰
2K‰
10K‰
100K‰
100K‰
125
150
175
o
C)
Ambient Temperature(
0
70
125
150
175
o
C)
Ambient Temperature(
RG Series Surge Capability for Repetitive Surges
1,000
100
RG-1/4W
RG-1/2W
100
10
10
1
1.OE.04
1
1.OE.04
1.OE.03
RG-1/4W
RG-1/8W
RG-1/8W
1.OE.02
1.OE.01
1.OE.00
1.OE.00
GS-3W
RG-1/2W
GS-3W
RG 1/4 High-frequency Characteristics
50‰
1000
1000
Surge or Pulse Duration (seconds)
1.OE.03
1.OE.02
1.OE.01
Frequency (MHz)
10
100
Note: Use for repetitive pulses where the
or Pulse
power dissipation is not to
Surge
average
Duration (seconds)
exceed the component rating at 70°C.
Note: handling capacity for low-repetitive surges power significantly not to
Surge Use for repetitive pulses where the average may be dissipation isgreater
exceed the above. Contact factory for
than showncomponent rating at 70°C. recommendations
Surge handling capacity for low-repetitive surges may be significantly greater
than shown above. Contact factory for recommendations
Frequency (MHz)
Physical Data
Dimensions (mm)
Dim
Dimensions (mm)
Code
Dim
1
Code
2
1
3
2
4
3
5
4
5
Nominal
Size (watts)
Nominal
0.125
Size (watts)
0.25
0.125
0.5
0.25
0.5
0.5
3
0.5
3
Body Length
BL
Body Length
3.8±0.3
BL
6.4±0.4
3.8±0.3
9.9±0.3
6.4±0.4
9.9±0.3
9.9±0.3
13.1±0.3
9.9±0.3
13.1±0.3
Body Dia.
BD
Body Dia.
1.7±0.2
BD
2.3±0.2
1.7±0.2
3.6±0.2
2.3±0.2
3.6±0.2
3.6±0.2
5.7±0.2
3.6±0.2
5.7±0.2
Lead Length
LL
Lead Length
25.4±3.2
LL
38.1±3.2
25.4±3.2
38.1±3.2
38.1±3.2
38.1±3.2
38.1±3.2
38.1±3.2
38.1±3.2
38.1±3.2
Lead Dia.
LD
Lead Dia.
0.41±0.05
LD
0.64±0.05
0.41±0.05
0.81±0.05
0.64±0.05
0.64±0.05
0.81±0.05
0.81±0.05
0.64±0.05
0.81±0.05
Clean
Lead
Clean
5.7
Lead
7.9
5.7
11.4
7.9
11.4
11.4
14.6
11.4
14.6
BD
BD
LD
LD
BL
BL
LL
LL
Packaging
Resistors are supplied taped and reeled.
Packaging
Bulk packaging available upon request.
Resistors are supplied taped and reeled.
General Note
Bulk packaging available
make changes in product specification without notice or liability.
upon request.
TT electronics reserves the right to
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
© 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
© Welwyn Components Limited
Bedlington, Northumberland NE22 7AA, UK
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
03. 08
04.14
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
03. 08
185
Precision Non-Military
Metal Glaze™ Resistors
RG series
Ordering Procedure
This product has two valid part numbers:
European (Welwyn) Part Numbers:
RG1/4-220KJPB (RG1/4
at 220 kilohms ±5%, SnPb finish)
GF07-100RFI
(GF07 at 100 ohms ±1%, Pb-free)
2
0
2
0
0
K
R
J
F
3
3
Tolerance
P
I
4
4
Termination & Packing
B
R
G
G
F
1
0
1
/
7
4
-
-
2
1
1
Type
2
Value
I = Pb-free
See
E24 = 3/4 characters B = ±0.1%
PB = SnPb
Electrical E96 = 4/5 characters D = ±0.5%
Data
F = ±1% Dim. Codes 1 & 2 Tape
R = ohms
1250/reel
K = kilohms
Pack
G = ±2%
Dim Code 3
M = megohms
J = ±5%
USA (IRC) Part Numbers:
RG1/42203J
(RG1/4 at 220 kilohms ±5%, SnPb finish)
GF071000FLF
(GF07 at 100 ohms ±1%, Pb-free)
2
1
2
0
2
2
3
Tolerance
B = ±0.1%
D = ±0.5%
F = ±1%
G = ±2%
J = ±5%
0
0
3
0
J
F
3
L
4
4
Termination
Omit for SnPb
LF = Pb-free
F
R
G
G
F
1
0
1
/
7
4
1
Type
Value
3 digits + multiplier
See
Electrical
R = ohms for
Data
values <100 ohms
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
© TT electronics plc
04.14
