RG_C.qxd 28/4/03 10:57 am Page 1
RG_C.qxd 28/4/03 10:57 am Page 1
Precision Non-Military
Precision Non-Military
Precision Non-Military
Welwyn Components
Metal Glaze Resistors
Welwyn Components
Metal Glaze Resistors
Metal Glaze Resistors
RG series
RG series
RG series
s Excellent pulse handling
Excellent pulse handling
s Excellent pulse handling
Carbon comp. alternative
s
Carbon comp. alternative
Carbon comp. alternative
s
1/8 watt to 3 watts
1/8 watt to 3 watts
s
1/8 watt to 3 watts
s
0.4 ohm to 5.1 megohms
0.4 ohm to 5.1 megohms
s
0.4 ohm to 5.1 megohms
s 0.5% to 5% tolerance; 0.1% in selected ranges
0.5% to 5% tolerance; 0.1% in selected ranges
s
25 ppm/C to 200 ppm/C
0.5% to 5% tolerance; 0.1% in selected ranges
s
25 ppm/C to 200 ppm/C
s
25 ppm/C to 200 ppm/C
s
Electrical Data
Electrical Data
Power Max. Nominal
Power Max. 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 @70C) Rtg. Range () (watts) Code
Type Type Marking (%) (ppm/C) (watts @70C) Rtg. Range () (watts) Code
1
1
RG /8 - Band 2, 5 200 0.25 200 4R3 to 1M5 0.125 1
1
1
RG /8 - Band 2, 5 200 0.25 200 4R3 to 1M5 0.125 1
5 6
1
RG /4 - Band 5 200 0.5 250 4R3 to 5M1 0.25 2
5 6
1
RG /4 - Band 5 200 0.5 250 4R3 to 5M1 0.25 2
1
RG /2 - Band 5 200 1 350 4R3 to 5M1 0.5 3
1
1
RG /2 - Band 5 200 1 350 4R3 to 5M1 0.5 3
TO-50 - Legend .5, 1 100 0.25 200 10R to 1M 0.125 1
1
1
TO-50 - Legend .5, 1 100 0.25 200 10R to 1M 0.125 1
T2-50 - Legend .5, 1 50 0.125 200 10R to 1M 0.125 1
1
1
T9-50 - Legend .5, 1 25 0.125 200 10R to1M 0.125 1
T2-50 - Legend .5, 1 50 0.125 200 10R to 1M 0.125 1
1
1
TF-05 - Band/Legend 1, 2, 5 100 0.25 200 0R4, 9M9 0.125 1
T9-50 - Legend .5, 1 25 0.125 200 10R to1M 0.125 1
TF-07 - Band/Legend 1, 2, 5 100 0.5 250 0R4 to 9M9 0.25 2
1
TF-05 - Band/Legend 1, 2, 5 100 0.25 200 0R4, 9M9 0.125 1
TF-20 - Band/Legend 1, 2, 5 100 1 250 0R4 to 9M9 0.5 3
TF-07 - Band/Legend 1, 2, 5 100 0.5 250 0R4 to 9M9 0.25 2
2 4
GF-55 Flame Resist Legend 1 50 , 100 0.5 250 0R4, 2M 0.25 2
TF-20 - Band/Legend 1, 2, 5 100 1 250 0R4 to 9M9 0.5 3
2
GF-07 Flame Resist Legend 2, 5 100 0.5 250 0R4, 2M 0.25 2
2 4
GF-55 Flame Resist Legend 1 50 , 100 0.5 250 0R4, 2M 0.25 2
2 4
GF-60 Flame Resist Legend 1 50 , 100 0.75 350 0R4, 2M 0.5 4
2
GF-07 Flame Resist Legend 2, 5 100 0.5 250 0R4, 2M 0.25 2
2
GF-20 Flame Resist Legend 2, 5 100 0.75 350 0R4, 2M 0.5 4
2 4
2
GF-60 Flame Resist Legend 1 50 , 100 0.75 350 0R4, 2M 0.5 4
GF-3 Flame Resist Legend 1, 2, 5 200 2 750 1R to 2M 3 5
2
GF-20 Flame Resist Legend 2, 5 100 0.75 350 0R4, 2M 0.5 4
3
2 2 4
GS-3 Flame Resist Legend 1, 2, 5 50 , 100 2 1000 1R to 3M 3 5
GF-3 Flame Resist Legend 1, 2, 5 200 2 750 1R to 2M 3 5
3
3
RG-07 - 2 Band 2, 5 204 0 0.5 250 4R3 to 5M1 0.25 2
GS-3 Flame Resist Legend 1, 2, 5 50 , 100 2 1000 1R to 3M 3 5
RG-20 - Band 2, 5 200 1 350 4R3 to 5M1 0.5 3
3
3
TO-55 - Band/Legend .1, .5, 1 100 0.5 200 10R to 3M01 0.25 2
RG-07 - Band 2, 5 200 0.5 250 4R3 to 5M1 0.25 2
3
T2-55 - Legend .1, .5, 1 50 0.25 200 10R to 3M01 0.25 2
RG-20 - Band 2, 5 200 1 350 4R3 to 5M1 0.5 3
3
T9-55 - Legend .1, .5, 1 25 0.25 200 10R to 3M01 0.25 2
3
TO-55 - Band/Legend .1, .5, 1 100 0.5 200 10R to 3M01 0.25 2
3
T0-60 - Band/Legend .1, .5, 1 100 0.75 300 10R to 3M01 0.5 4
3
T2-55 - Legend .1, .5, 13
50 0.25 200 10R to 3M01 0.25 2
T2-60 - Legend .1, .5, 1 50 0.5 250 10R to 3M01 0.5 4
3
3
T9-55 - Legend .1, .5, 1 25 0.25 200 10R to 3M01 0.25 2
T9-60 - Legend .1, .5, 1 25 0.5 250 10R to 3M01 0.5 4
3
T0-60 - Band/Legend .1, .5, 1 100 0.75 300 10R to 3M01 0.5 4
4
1
1
Below 10 ohms only available in 100 ppm.
Conformally coated construction on all /8W nominal size resistors.
3
T2-60 - Legend .1, .5, 1 50 0.5 5 250 10R to 3M01 0.5 4
2
1 watt @ 70C available - consult factory.
Contact factory for details on flame-resistant specifications.
3 6
3
T9-60 - Legend .1, .5, 1 25 0.5 Contact 25factory0 for10R details to 3M0 on 1higher voltage0.5 rating. 4
Only available in F tolerance above 2M ohm.
4
1
1
Below 10 ohms only available in 100 ppm.
Conformally coated construction on all /8W nominal size resistors.
5
2
Contact factory for details on flame-resistant specifications. 1 watt @ 70C available - consult factory.
General Note
6
3
Contact factory for details on higher voltage rating.
OnlyGeneral Note available in F tolerance above 2M ohm.
Welwyn Components reserves the right to make changes in product specification without notice or liability.
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of
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
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com 03. 08
TT electronics plc
General Note
11. 11
184
Welwyn Components reserves the right to make changes in product specification without notice or liability.
A subsidiary of
All information is subject to Welwyns own data and is considered accurate at time of going to print.
TT electronics plc
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 03. 08
184RG_C.qxd 28/4/03 10:57 am Page 2
Precision Non-Military
Precision Non-Military
Metal Glaze Resistors
Metal Glaze Resistors
RG series
Welwyn Components
RG series
Performance Data
RG To Film Temp. Rise GS-3 Surface Temp. Rise Commercial Power Derating
100
200
120
RG07, TO-55
RG1/8, RG1/4, RG07,
100
80
RG20, TF07, TF20
RG 1/8W *
TO-60 150
80
60
**
RG20, RLR20
60 100
TO/T2
40
55 & 60
40
50
20
20
0 0 0
70 125 150 175
0 0.2 0.4 0.6 0.8 1.0 1.2 0 25 50 75 100
o
Ambient Temperature( C)
% Of Power Rating
Applied Power (watts)
RG Series Surge Capability for Repetitive Surges RG 1/4 High-frequency Characteristics
1,000
50
100
RG-1/2W
GS-OW
100
2K
RG-1/4W
10K
10 50
RG-1/8W
20
100K
1
1.OE.04 1.OE.03 1.OE.02 1.OE.01 1.OE.00
1 10 100 1000
Frequency (MHz)
Surge or Pulse Duration (seconds)
Note: Use for repetitive pulses where the average power dissipation is not to
exceed the component rating at 70C.
Surge handling capacity for low-repetitive surges may be significantly greater
than shown above. Contact factory for recommendations
Performance Data
Dimensions (mm)
Dim Nominal Body Length Body Dia. Lead Length Lead Dia. Clean
Code Size (watts) BL BD LL LD Lead
1 0.125 3.80.3 1.70.2 25.43.2 0.410.05 5.7
2 0.25 6.40.4 2.30.2 38.13.2 0.640.05 7.9
3 0.5 9.90.3 3.60.2 38.13.2 0.810.05 11.4
4 0.5 9.90.3 3.60.2 38.13.2 0.640.05 11.4
5 3 13.10.3 5.70.2 38.13.2 0.810.05 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
T TT electrelephone: +44onics plc (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com 03. 08
11. 11
185
o
Peak Power (Watts) Temperature ( C)
o
Temperature ( C)
% of DC Resistance
% Of Commercial Rated Power
(in many cases, 2X MIL Spec. power rating)