VR25, VR37, VR68
www.vishay.com
Vishay BCcomponents
High Ohmic / High Voltage Metal Glaze Leaded Resistors
FEATURES
• UL Approved (UL1676, file no: E171160)
• Meet the safety requirements of:
- IEC 60065
- EN 60065
- VDE 0860
- CQC (China)
• AEC-Q200 qualified (VR25 only)
• High pulse loading capability (maximum 10 kV)
• Radial version available for VR25
A metal glazed film is deposited on a high grade ceramic
body. After a helical groove has been cut in the resistive
layer, tinned electrolytic copper wires are welded to the
end-caps. The resistors are coated with a light blue lacquer
which provides electrical, mechanical, and climatic
protection.
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
APPLICATIONS
• Where high resistance, high stability, and high reliability at
high voltage are required
• High humidity environment
• White goods
• Power supplies
TECHNICAL SPECIFICATIONS
DESCRIPTION
Imperial size
Resistance range
(1)
Resistance tolerance
Temperature coefficient
Rated dissipation,
P
70
Operating voltage,
U
max.
AC/DC
Operating temperature range
Peak permissible film temperature
Thermal resistance (R
th
)
Insulation voltage:
1 min.;
U
ins
Maximum noise (white noise)
Max. resistance change at
rated dissipation for resistance range,
|R/R| max., after 1000 h
5 μV/V
1.5 %
700 V
2.5 μV/V
1.5 %
2.5 μV/V
1.5 %
140 K/W
0.25 W
1600 V
VR25
0207
100 k to 22 M
VR37
0309
100 k to 33 M
± 10 %; ± 5 %; ± 1 %
± 200 ppm/K
0.5 W
3500 V
-55 °C to +155 °C
155 °C
120 K/W
70 K/W
1.0 W
10 000 V
VR68
0718
100 k to 68 M
Note
(1)
Ohmic values (other than resistance range) are available on request.
SAFETY REQUIREMENTS AND QUALIFICATIONS
DESCRIPTION
VR25
VR37
VR68
UL1676 qualification (file no: E171160)
for ohmic range 510 k to 11 M;
DIN EN 60065 safety requirements as per clause 14.1 a);
IEC 60065 safety requirements as per clause 14.2;
VDE 0860 as per clause 14.1 a);
CQC
Safety requirements / qualifications
AEC-Q200
Revision: 25-Sep-15
Document Number: 28907
1
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
VR25, VR37, VR68
www.vishay.com
Vishay BCcomponents
TCR
TOLERANCE
±1%
±5%
± 10 %
RESISTANCE
100 k to 15 M
100 k to 22 M
15 M to 22 M
100 k to 33 M
100 k to 33 M
100 k to 68 M
100 k to 68 M
E-SERIES
E24; E96
E24; E96
E24
E24; E96
E24
E24; E96
E24
TEMPERATURE COEFFICIENT AND RESISTANCE RANGE
TYPE
VR25
± 200 ppm/K
VR37
VR68
±1%
±5%
±1%
±5%
PART NUMBER AND PRODUCT DESCRIPTION
PART NUMBER: VR25000001003FA100
V
R
2
5
0
0
0
0
0
1
0
0
3
F
A
1
0
0
TYPE / SIZE
VR25000
= VR25
VR37000
= VR37
VR68000
= VR68
VARIANT
0
= neutral
TCR
0
= standard
RESISTANCE
3 digit value
1 digit multiplier
MULTIPLIER
0
= *10
0
1
= *10
1
2
= *10
2
3
= *10
3
4
= *10
4
5
= *10
5
6
= *10
6
TOLERANCE
(1)
F
=±1%
J
=±5%
K
= ± 10 %
PACKAGING
A1
AC
A5
RD
R5
N4
SPECIAL
00
= standard
PRODUCT DESCRIPTION: VR25 1 % A1 100K
VR25
TYPE / SIZE
VR25
VR37
VR68
1%
TOLERANCE
±1
%
±5
%
± 10
%
A1
PACKAGING
A1
AC
A5
RD
R5
N4
100K
RESISTANCE
100K
= 100 k
15M
= 15 M
Note
(1)
See table “Temperature Coefficient and Resistance Range” for selecting correct ohmic value - tolerance combination.
PACKAGING
TYPE
CODE QUANTITY
A1
VR25
A5
N4
R5
VR37
VR68
A1
R5
AC
RD
1000
5000
4000
5000
1000
5000
500
750
PACKAGING STYLE
Taped according to IEC 60286-1 fan-folded in a box
Taped according to IEC 60286-2 fan-folded in a box
Taped according to IEC 60286-1 on a reel
Taped according to IEC 60286-1 fan-folded in a box
Taped according to IEC 60286-1 on a reel
Taped according to IEC 60286-1 fan-folded in a box
Taped according to IEC 60286-1 on a reel
WIDTH
53 mm
53 mm
-
53 mm
53 mm
53 mm
66 mm
66 mm
PITCH
5 mm
5 mm
12.7 mm
5 mm
5 mm
5 mm
10 mm
10 mm
DIMENSIONS
75 mm x 31 mm x 260 mm
76 mm x 105 mm x 265 mm
48 mm x 253 mm x 330 mm
93 mm x 300 mm x 298 mm
72 mm x 60 mm x 258 mm
90 mm x 375 mm x 375 mm
82 mm x 111 mm x 256 mm
105 mm x 315 mm x 305 mm
Revision: 25-Sep-15
Document Number: 28907
2
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
VR25, VR37, VR68
www.vishay.com
DESCRIPTION
Production is strictly controlled and follows an extensive
set of instructions established for reproducibility. A
homogeneous film of metal alloy is deposited on a high
grade ceramic body and conditioned to achieve the desired
temperature coefficient. Plated steel termination caps are
firmly pressed on the metalized rods. Mostly, a special laser
is used to achieve the target value by smoothly cutting a
helical groove in the resistive layer without damaging the
ceramics. Connecting wires of electrolytic copper plated
with 100 % pure tin are welded to the termination caps.
The resistor elements are covered by a light blue
protective coating designed for electrical, mechanical, and
climatic protection. Four or five color code rings designate
the resistance value and tolerance in accordance with
IEC 60062.
Yellow and gray are used instead of gold and silver because
metal particles in the lacquer could affect high-voltage
properties.
The result of the determined production is verified by an
extensive testing procedure performed on 100 % of the
individual resistors. Only accepted products are stuck
directly on the adhesive tapes in accordance with
IEC 60286-1
or for the radial versions in accordance to
IEC 60286-2.
Vishay BCcomponents
Hence the products fully comply with the following
directives:
• 2000/53/EC End-of-Life Vehicle Directive (ELV) and
Annex II (ELV II)
• 2011/65/EU Restriction of the Use of Hazardous
Substances
Directive
(RoHS)
with
amendment
2015/863/EU
• 2012/19/EU Waste Electrical and Electronic Equipment
Directive (WEEE)
Vishay pursues the elimination of conflict minerals from its
supply chain, see the Conflict Minerals Policy at
www.vishay.com/doc?49037.
ASSEMBLY
The resistors are suitable for processing on automatic
insertion equipment and cutting and bending machines.
Excellent solderability is proven, even after extended
storage. They are suitable for automatic soldering using
wave or dipping.
The resistors are completely lead (Pb)-free, the pure tin
plating provides compatibility with lead (Pb)-free and
lead-containing soldering processes. The immunity of the
plating against tin whisker growth, in compliance with
IEC 60068-2-82, has been proven under extensive testing.
The encapsulant is resistant to cleaning solvent specified in
IEC 60115-1. The suitability of conformal coatings, if
applied, shall be qualified by appropriate means to ensure
the long-term stability of the whole system.
MATERIALS
Vishay acknowledges the following systems for the
regulation of hazardous substances:
• IEC 62474, Material Declaration for Products of and for the
Electrotechnical Industry, with the list of declarable
substances given therein
(1)
• The Global Automotive Declarable Substance List
(GADSL)
(2)
• The REACH regulation (1907/2006/EC) and the related list
of substances with very high concern (SVHC)
(3)
for its
supply chain
The products do not contain any of the banned substances
as per IEC 62474, GADSL, or the SVHC list, see
www.vishay.com/how/leadfree.
APPROVALS
These resistors meet the safety requirements of:
• UL1676 (510 k to 11 M); file no: E171160
• IEC 60065, clause 14.2
• DIN EN 60065, clause 14.1.a)
• VDE 0860, clause 14.1.a)
• CQC, China
RELATED PRODUCTS
For a correlated range of Metal Film Resistors see the
datasheet:
“High Ohmic / High Voltage Metal Film Leaded Resistors”,
www.vishay.com/doc?30260
For product that offers high power dissipation and metal
oxide film technology see the datasheet:
“High Power Metal Oxide Leaded Resistors”,
www.vishay.com/doc?20128
Notes
(1)
The IEC 62474 list of declarable substances is maintained in a dedicated database, which is available at
http://std.iec.ch/iec62474.
(2)
The Global Automotive Declarable Substance List (GADSL) is maintained by the American Chemistry Council, and available at
www.gadsl.org
(3)
The SVHC list is maintained by the European Chemical Agency (ECHA) and available at
http://echa.europa.eu/candidate-list-table.
Revision: 25-Sep-15
Document Number: 28907
3
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
VR25, VR37, VR68
www.vishay.com
FUNCTIONAL PERFORMANCE
Derating
Power in %
100
80
60
40
20
0
Vishay BCcomponents
-55
0
50
70
100
125
155
Ambient Temperature in °C
Hot-Spot Temperature Rise (T) as a Function of Dissipated Power
ΔT
(K)
35
30
25
40
20
30
15
20
10
5
0
10
ΔT
(K)
60
50
0
0.05
0.10
0.15
0.20
P
(W)
0.25
0
0
0.1
0.2
0.3
0.4
P
(W)
0.5
VR25
70
60
50
40
30
20
10
0
VR37
ΔT
(K)
0
0.2
0.4
0.6
0.8
P
(W)
1.0
VR68
Revision: 25-Sep-15
Document Number: 28907
4
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
VR25, VR37, VR68
www.vishay.com
Vishay BCcomponents
Maximum allowed peak pulse voltage in accordance with IEC 60065, 14.2;
50 discharges from a 1nF capacitor charged to
Û
max.
; 12 discharges/min (drift
R/R
2 %)
Û
max.
(kV)
8
7
6
5
4
-2
10
10
-1
1
R
n
(MΩ)
10
10
2
VR25
11
Û
max.
(kV) 10
9
8
7
6
5
4
-2
10
10
-1
1
R
n
(MΩ)
10
10
2
VR37
11
Û
max.
(kV) 10
9
8
7
6
5
4
-2
10
10
-1
1
R
n
(MΩ)
10
10
2
VR68
Revision: 25-Sep-15
Document Number: 28907
5
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
