RLP
Vishay Sfernice
Insulated Precision Wirewound Resistors
Axial Leads
FEATURES
• 1 Watt to 10 Watt at 25 °C
• CECC 40201-006
In wirewound precision resistors, the RLP series holds a
leading position in professional applications whenever an
excellent stability of the ohmic value and a correspondingly
low temperature coefficient are required at the same time.
The RLP model resistors comply with the most stringent
requirements of the NF C 83-210 specification. The series consists
of 5 models covering the power range from 1 W to 10 W.
Non-inductive versions can be supplied on request by
specifying RLP-NI. For higher power dissipations, the use
of RH series resistors is recommended.
• Conforms to NF C 83-210
• Excellent stability
• High power
• Low ohmic values
• Low temperature coefficient
• Electrical insulation
• Climatic protection
DIMENSIONS
in millimeters
INSULATED
25 min.
A
25 min.
MOLDED
DIMENSIONS
in millimeters
25 min.
ØE
ØB
Ø a
±0.02
25 min.
A
INSULATED
MOLDED
SERIES
RLP 3 RLP 6 RLP 10
AND STYLE RLP 1 RLP 2
7
10.2
14
23.82 46.78
A max.
ØB R > 0.15
Ω
max.
R
≤
0.15
Ω
E ± 0.1
Weight in g
2.5
0.6
0.27
4.0
0.6
0.48
5.54
6
0.8
1.3
8.71
9
0.8
3.4
10.32
11
0.8
8.6
45° chamfer
max. 0.25 deep
4
L max.
4
ØE
RLP1 - RLP2 a = 1mm
RLP3 - 6 - 10 a = 1.2mm
ØB
RLP 1 - RLP 2
TECHNICAL SPECIFICATIONS
VISHAY SFERNICE SERIES AND STYLE
NF C 83-210
CECC 40201-006
Power Rating
VISHAY SFERNICE
at + 25 °C
Limits
± 5 % E24
Ohmic Range
in Relation
to Tolerance
± 2 % E48
± 1 % E96
± 0.5 % E96
± 0.1 % E96
Qualified Ohmic Range
NF C 83-210
Limiting Element Voltage
Critical Resistance
1Ω
470
Ω
50 V
0.2
Ω
1.78 kΩ
120 V
out of nominal ohmic range
RLP1
RP8
A
1W
0.05
Ω
2.2 kΩ
0.05
Ω
2.2 kΩ
0.05
Ω
2.2 kΩ
0.4
Ω
2.2 kΩ
RLP2
RP7
B
2W
0.025
Ω
6.8 kΩ
0.025
Ω
6.8 kΩ
0.025
Ω
6.8 kΩ
0.4
Ω
6.8 kΩ
RLP3
RP4
C
3W
0.01
Ω
15 kΩ
0.01
Ω
15 kΩ
0.01
Ω
15 kΩ
0.3
Ω
15 kΩ
RLP6
RP5
D
6W
0.02
Ω
59 kΩ
0.02
Ω
59 kΩ
0.02
Ω
59 kΩ
0.3
Ω
59 kΩ
RLP10
RP6
E
10 W
0.06
Ω
150 kΩ
0.06
Ω
150 kΩ
0.06
Ω
150 kΩ
0.3
Ω
150 kΩ
Please consult VISHAY SFERNICE
0.1
Ω
3.57 kΩ
200 V
0.1
Ω
12.1 kΩ
300 V
17800Ω
0.1
Ω
40.2 kΩ
720 V
51100
Ω
Undergoes European Quality Insurance System (CECC)
Document Number: 50009
Revision 03-Mar-06
For technical questions, contact sfer@vishay.com
www.vishay.com
41
RLP
Vishay Sfernice
PERFORMANCE
TESTS
Dielectric W/s Voltage
Short Time Overload
Climatic Sequence
Humidity (Steady State)
Vibration
Load Life
Moisture Resistance
High Temperature
Shock
CONDITIONS
500 VRMS for RLP1-2-3
1000 VRMS for RLP6-10
5 Pn/5 s for Pn < 5 W
10 Pn/5 s for Pn
≥
5 W
NF C 83-210
fasc. 19A – 55 °C/+ 200 °C
5 cycles
NF C 83-210
fasc. 3A 56 days 95 % R.H.
MIL-STD-202
Method 204 - Test D: 20g
10/2000Hz
MIL-STD-202
Method 108 Pn 1000h
MIL-STD-202
Method 106
250 h at + 275 °C
MIL-STD-202
100g Method 205 - Test C
REQUIREMENTS
MIL-R-26 E
NF C 83-210
± (0.1 % + 0.05
Ω)
± (0.2 % + 0.05
Ω)
–
–
± (0.1 % + 0.05
Ω)
± (0.5 % + 0.05
Ω)
± (0.2 % + 0.05
Ω)
Insulation resistance
>100M
± (0.5 % + 0.05
Ω)
± (0.1% + 0.05Ω)
–
± 0.25 % + 0.05
Ω
± 0.5 % + 0.05
Ω
Insulation R > 100MΩ
± 0.5 % + 0.05
Ω
Insulation R > 100MΩ
± 0.25 % + 0.05
Ω
± 0.5 % + 0.05
Ω
Insulation R
≥
1GΩ
–
± 0.5 % + 0.05
Ω
Insulation R
≥
1GΩ
± 0.25% + 0.05Ω
TYPICAL VALUES
AND DRIFTS
± (0.05 % + 0.05
Ω)
± (0.1 % + 0.05
Ω)
± (0.2 % + 0.05
Ω)
Ins. resistance > 10
3
MΩ
± (0.25 % + 0.05
Ω)
Ins. resistance > 10
3
MΩ
± (0.05 % + 0.05
Ω)
± (0.3 % + 0.05
Ω)
± (1 % + 0.05
Ω)
Ins. resistance > 10
3
MΩ
± (0.25 % + 0.05
Ω)
± (0.05% + 0.05Ω)
Insulated Precision Wirewound Resistors
Axial Leads
TEMPERATURE COEFFICIENT IN THE RANGE - 55° + 200 °C
OHMIC RANGE
<1
Ω
1
Ω
to < 10
Ω
≥
10
Ω
LIMITS
NF C
± 100 ppm/°C
± 50 ppm/°C
± 25 ppm/°C
MIL
± 90 ppm/°C
± 50 ppm/°C
± 30 ppm/°C
± 50 ppm/°C
+ 0 to – 20 ppm/°C
TYPICAL VALUE
STABILITY AND POWER RATING
Stability changes slightly according to power rating and ambient temperature. This fact is especially important for users needing
a life drift lower than the initial resistance tolerance. Typical drifts, after 2000h life test made under the 90’/30’ conditions
and at an ambient temperature of 25°C, are:
RLP1
Pn
0.5Pn
1W
0.5 W
RLP2
2W
1W
RLP3
3W
1.5 W
RLP6
5W
2.5 W
RLP10
10 W
5W
ΔR
%
R%
0.3
0.15
INDUCTANCE
(Example)
1.4
1.3
1.2
1.1
INDUCTANCE IN µH
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1
1
FREQUENCY IN MHz
10
RLP3 NI 100
Ω
00
Ω
RLP3 1
www.vishay.com
42
For technical questions, contact sfer@vishay.com
Document Number: 50009
Revision 03-Mar-06
RLP
Insulated Precision Wirewound Resistors
Axial Leads
POWER RATING CHART
Vishay Sfernice
125
100
% RATED POWER
75
50
37
25
0
0
50
100
150
200
250 275 300
350
AMBIENT TEMPERATURE IN DEGREES CELSIUS
TEMPERATURE RISE
250
HOT SPOT TEMPERATURE IN C°
200
RLP
2
150
100
50
0
0
1.5
3
4.5
6
7.5
10
RATED POWER IN WATTS
MARKING
SFERNICE trademark, series, style, CECC style (if applicable) nominal resistance (in
Ω,
kΩ), tolerance (in %), manufacturing
date.
ORDERING INFORMATION
RLP
MODEL
3
STYLE
NON INDUCTIVE
WINDING
Optional
(NI)
SPECIAL
DESIGN
Method N°
Optional
4.7 kΩ
OHMIC VALUE
±1%
TOLERANCE
PACKAGING
RLP
1
RL
P3
RL
P
P
RL
10
Custom items are subject to
extra-charge and min. order.
Please see price list.
6
Optional
Document Number: 50009
Revision 03-Mar-06
For technical questions, contact sfer@vishay.com
www.vishay.com
43
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
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