MRS16, MRS25
Vishay BCcomponents
Lead (Pb)-Free Professional Leaded Resistors
FEATURES
•
•
•
•
Professional resistors in small outlines
Low noise.
Lead (Pb)-free solder contacts
Pure tin plating provides compatibility with lead (Pb)-free
and lead containing soldering processes
•
Compatible with “Restriction of the use of Hazardous
Substances” (RoHS) directive 2002/95/EC (issue 2004)
APPLICATIONS
•
All general purpose applications.
DESCRIPTION
A homogeneous film of metal alloy is deposited on a high
grade ceramic body. After a helical groove has been cut in
the resistive layer, tinned connecting wires of electrolytic
copper are welded to the end-caps. The resistors are coated
with lacquer which provides electrical, mechanical, and
climatic protection. Four or five colour code rings designate
the resistance value and tolerance according to
IEC 60 062.
The resistors are completely lead (Pb)-free, the pure tin
plating provides compatibility with lead (Pb)-free and
lead-containing soldering processes.
Suitable replacements for MRS16 and MRS25 are the
MBA 0204 and MBB 0207 professional.
TECHNICAL SPECIFICATIONS
DESCRIPTION
Resistance range
Resistance tolerance and series
Maximum dissipation at
T
amb
= 70
°C
Thermal resistance (R
th
)
Temperature coefficient
Maximum permissible voltage (DC or RMS)
Basic specifications
Climatic category (IEC 60068)
Max. resistance change for resistance range,
load:
R
≤
100 kΩ
R > 100 kΩ
climatic tests:
R
≤
100 kΩ
R > 100 kΩ
soldering:
R
≤
100 kΩ
R > 100 kΩ
short time overload
±
(0.1 % + 0.05
Ω)
±
(0.25 % + 0.05
Ω)
±
(0.25 % + 0.05
Ω)
± (0.1
% + 0.05
Ω)
± (0.1
% + 0.05
Ω)
± (0.25
% + 0.05
Ω)
±
(0.5 % + 0.05
Ω)
±
(1 % + 0.05
Ω)
± (0.5
% + 0.05
Ω)
±
(0.5 % + 0.05
Ω)
±
(0.5 % + 0.05
Ω)
±
(1 % + 0.05
Ω)
±
(0.5 % + 0.05
Ω)
±
(0.5 % + 0.05
Ω)
200 V
IEC 60115-1 and 60115-2
55/155/56
0.4 W
170 K/W
±
50 ppm/K
350 V
VALUE
MRS16
4.99
Ω
to 1 MΩ
±
1 %; E24/E96 series
0.6 W
150 K/W
MRS25
1
Ω
to 10 MΩ
PACKING
MODEL
MRS16
MRS25
REEL
PIECES/REEL
5 000
5 000
CODE
RP
RP
PIECES/BOX
1 000
5 000
1 000
5 000
BOX
CODE
C1
CT
C1
CT
www.vishay.com
30
For technical questions contact: ff3cresistors@vishay.com
Document Number: 28724
Revision: 20-Sep-05
MRS16, MRS25
Lead (Pb)-Free Professional Leaded Resistors
Vishay BCcomponents
DIMENSIONS
L
D
M
d
DIMENSIONS
- leaded resistor types, mass and relevant physical dimensions
TYPE
MRS16
MRS25
D
max
(mm)
1.6
2.5
L
max
(mm)
3.6
6.5
d
nom
(mm)
0.5
0.6
M
min
(mm)
5.0
10.0
MASS
(mg)
125
220
12NC INFORMATION
•
The resistors have a 12-digit numeric code starting with
2322 15.
•
The subsequent 2 digits indicate the resistor type and
packaging; see the 12NC Ordering Code table.
•
The remaining 4 digits indicate the resistance value:
–
The first 3 digits indicate the resistance value.
– The last digit indicates the resistance decade in
accordance with the 12NC Indicating Resistance Decade
table.
Last Digit of 12NC Indicating Resistance Decade
RESISTANCE DECADE
1
Ω
to 9.76
Ω
10
Ω
to 97.6
Ω
100
Ω
to 976
Ω
1 kΩ to 9.76 kΩ
10 kΩ to 97.6 kΩ
100 kΩ to 976 kΩ
1 MΩ to 9.76 MΩ
10 MΩ
LAST DIGIT
8
9
1
2
3
4
5
6
12NC Example
The 12NC of a MRS16 resistor, value 750
Ω,
on a bandolier
of 1000 units in ammopack is: 2322 157 17501.
12NC
- resistors type and packing
ORDERING CODE 2322 15. .....
TYPE
BANDOLIER IN AMMOPACK
1000
UNITS
MRS16
MRS25
7 1....
6 1....
5000
UNITS
7 2....
6 2....
BANDOLIER ON REEL
5000
UNITS
7 3....
6 3....
PART NUMBER
PART NUMBER: MRS16000C5009FCT
M
MODEL/SIZE
MRS1600
MRS2500
R
S
1
6
0
0
TC
0
C
5
VALUE
0
0
9
F
C
T
PACKING
RP
CT
C1
0
0
SPECIAL
up to 2 digits
00
= standard
SPECIAL CHARACTER
0
= neutral
TOLERANCE
F
=±1%
C =
± 50 ppm/K
3 digit value
1 digit multiplier
MULTIPLIER
7
= *10
-3
8
= *10
-2
9
= *10
-1
0
= *10
0
1
= *10
1
2
= *10
2
3
= *10
3
4
= *10
4
5
= *10
5
6
= *10
6
NOTE:
Products can be ordered using either the 12NC or the PART NUMBER. The PART NUMBER is shown to facilitate the introduction of a
unified part numbering system. Currently, this PART NUMBER is applicable in the Americas only.
Document Number: 28724
Revision: 20-Sep-05
For technical questions contact: ff3cresistors@vishay.com
www.vishay.com
31
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
www.vishay.com
1
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