MRS16, MRS25
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Revision: 07-Mar-16 1Document Number: 28724
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Professional Thin Film Leaded Resistors
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 color code rings designate
the resistance value and tolerance according to IEC 60062.
Suitable replacements for MRS16 and MRS25 are
MBA/SMA 0204 and MBB/SMA 0207 professional.
FEATURES
• Technology: metal film
• Professional resistors in small outlines
•Low noise
• Material categorization: for definitions of
compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• All general purpose applications
Note
(1) Please refer to APPLICATION INFORMATION below.
TECHNICAL SPECIFICATIONS
DESCRIPTION MRS16 MRS25
DIN size 0204 0207
CECC size A B
Resistance range 4.99 to 1 M1 to 10 M
Resistance tolerance ± 1 %
Temperature coefficient ± 50 ppm/K
Rated dissipation, P70 (1) 0.4 W 0.6 W
Operating voltage, Umax. AC/DC 200 V 350 V
Operating temperature range (1) -55 °C to 155 °C
Peak permissible film temperature (1) 155 °C
Insulation voltage:
1 min; Uins 300V 500V
continuous 75V 75V
MRS16, MRS25
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Revision: 07-Mar-16 2Document Number: 28724
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
APPLICATION INFORMATION
The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow
support of the printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is
not exceeded. Furthermore, a high level of ambient temperature or of power dissipation may raise the temperature of the solder
joint, hence special solder alloys or board materials may be required to maintain the reliability of the assembly.
These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift
increasing over operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a
functional lifetime. The designer may estimate the performance of the particular resistor application or set certain load and
temperature limits in order to maintain a desired stability.
Notes
• The PART NUMBER is shown to facilitate the introduction of a unified part numbering system for ordering products
(1) Please refer packaging table
MAXIMUM RESISTANCE CHANGE AT RATED DISSIPATION
Operation mode Power
Climatic category -55 °C / +155 °C / 56 days
Rated dissipation, P70 MRS16 0.4 W
MRS25 0.6 W
Applied maximum film temperature,
F max. 155 °C
Max. resistance change at rated
dissipation |R/R max.|, after:
MRS16 4.99 to 1 M
1000 h ± (0.5 % R + 0.05 )
MRS25 1to 10 M
1000 h ± (0.5 % R + 0.05 )
PART NUMBER AND PRODUCT DESCRIPTION
PART NUMBER: MRS16000C5119FCT00
TYPE VARIANT TCR RESISTANCE TOLERANCE PACKAGING (1) SPECIAL
MRS1600
MRS2500
0 = neutral C = ± 50 ppm/K 3 digit value
1 digit multiplier
MULTIPLIER
F = ± 1 % RP
CT
C1
Up to 2 digits
00 = standard
7 = *10-3
8 = *10-2
9 = *10-1
0 = *100
1 = *101
2 = *102
3 = *103
4 = *104
5 = *105
6 = *106
PRODUCT DESCRIPTION: MRS16 50 1 % CT 51R1
MRS16 50 1 % CT 51R1
TYPE TCR TOLERANCE PACKAGING (1) RESISTANCE VALUE
MRS16
MRS25
± 50 ppm/K ± 1 % RP
CT
C1
51R1 = 51.1
1K = 1 k
PACKAGING
TYPE CODE QUANTITY PACKAGING STYLE WIDTH PITCH DIMENSIONS
MRS16
MRS25
C1 1000
Taped acc. to IEC 60286-1
fan-folded in a box
53
mm
5
mm
184 mm x 75 mm x 42 mm
CT 5000 330 mm x 75 mm x 55 mm
RP 5000 Taped acc. to IEC 60286-1
on a reel 242 mm x 76 mm x 86 mm
M R S 1 6 0 0 0 C 5 1 1 9 F 0C T 0
MRS16, MRS25
www.vishay.com Vishay BCcomponents
Revision: 07-Mar-16 3Document Number: 28724
For technical questions, contact: filmresistorsleaded@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
DIMENSIONS
12NC INFORMATION FOR HISTORICAL CODING REFERENCE
• 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
12NC Example
The 12NC of a MRS16 resistor with value 750 , supplied on
a bandolier of 1000 units in ammopack is: 2322 157 17501.
DIMENSIONS (Leaded Resistor Types, Mass and Relevant Physical Dimensions)
TYPE Dmax.
(mm)
Lmax.
(mm)
dnom.
(mm)
Imin.
(mm)
Mmin.
(mm)
MASS
(mg)
MRS16 1.6 3.6 0.5 29.0 5.0 125
MRS25 2.5 6.5 0.6 28.0 10.0 220
M
IL
d
D
RESISTANCE DECADE LAST DIGIT
1 to 9.76 8
10 to 97.6 9
100 to 976 1
1 k to 9.76 k2
10 k to 97.6 k3
100 k to 976 k4
1 M to 9.76 M5
10 M6
12NC (Resistors Type and Packaging)
TYPE
2322 15. .....
BANDOLIER IN AMMOPACK BANDOLIER ON REEL
1000 UNITS 5000 UNITS 5000 UNITS
MRS16 7 1.... 7 2.... 7 3....
MRS25 6 1.... 6 2.... 6 3....
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Revision: 08-Feb-17 1Document Number: 91000
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