NFR01, NFR02, NFR03
Vishay BCcomponents
Fusible Power Metal Film Leaded Resistors
FEATURES
•
Metal film technology
•
High power (upto 3 W) in small package
•
Small standard sizes (0207/0414/0617)
•
High stability, reliability and uniformity characteristics
•
Defined interruption behaviour (fusing time)
•
Various forming styles
•
Non flammable
A homogenous film of metal alloy is depositded 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 red
non-flammable lacquer, which provides electrical,
mechanical, and climatic protection.
The encapsulation is resistant to all cleaning solvents in
accordance with “MIL-STD 202E, method 215” and “IEC
60068-2-45“.
•
Compatible with lead (Pb)-free and lead containing
soldering processes
•
Lead (Pb)-free and RoHS compliant
APPLICATIONS
•
Audio
•
Video
TECHNICAL SPECIFICATIONS
DESCRIPTION
Resistance Range
(1)
Resistance Tolerance
Temperature Coefficient
Climatic Category
(LCT/UCT/days)
Rated Dissipation
P
70
Maximum Permissible Voltage:
DC or RMS
Fusing Power
Fusing Time
Maximum Resistance Change at
P
70
for Resistance Range,
ΔR
max., after:
Load
Climatic Tests
Resistance to Soldering Heat
Note
(1)
NFR01
NFR02
0.47
Ω
to 1 kΩ
± 5 %; E24 series
± 200 ppm/K
55/155/56
NFR03
1W
350 V
2W
500 V
0.47
Ω
to 10
Ω; ≥
20 x Pn
10.1
Ω
to 1 kΩ;
≥
16 x Pn
≤
60 s
3W
± (5 %
R
+ 0.1
Ω)
± (3 %
R
+ 0.1
Ω)
± (1 %
R
+ 0.05
Ω)
Resistance values below 0.47
Ω
with ± 10 % tolerance are available on request
Document Number: 30256
Revision: 06-Dec-07
For technical questions, contact: filmresistors.leaded@vishay.com
www.vishay.com
1
NFR01, NFR02, NFR03
Vishay BCcomponents
Fusible Power Metal Film Leaded
Resistors
12NC INFORMATION FOR HISTORICAL
CODING REFERENCE ONLY
•
The resistors have a 12 digit ordering code starting with
2306
•
The next 5 digits indicate the resistor type and packaging
•
The last 3 digits indicate the resistance value:
– The first 2 digits indicate the actual resistance value
– The last digit indicates the resistance decade in
accordance with table
Last Digit of 12NC Indicating Resistance Decade
RESISTANCE DECADE
0.47
Ω
to 0.91
Ω
1
Ω
to 9.1
Ω
10
Ω
to 91
Ω
100
Ω
to 910
Ω
1 kΩ
LAST DIGIT
7
8
9
1
2
12NC Example
NFR01, 1
Ω,
± 5 %, ammopack 1000 pieces is
2306 208 13108
12NC
- resistor type and packaging
ORDERING CODE 2306 ... .....
DESCRIPTION
TYPE
NFR01
NFR02
NFR03
TAPE WIDTH
52.5
52.5
63.0
TOL.
±5%
±5%
±5%
500 UNITS
-
-
210 13...
BANDOLIER IN AMMOPACK
1000 UNITS
208 13...
209 13...
-
5000 UNITS
208 53...
-
-
BANDOLIER
ON REEL
5000 UNITS
208 23...
209 23...
-
PART NUMBER AND PRODUCT DESCRIPTION
PART NUMBER
(1)
: NFR0100001008JA100
N
MODEL/SIZE
NFR0100
NFR0200
NFR0300
F
R
0
1
0
0
0
0
1
0
0
8
J
A
1
0
0
SPECIAL
up to 2 digits
00 = standard
SPECIAL CHARACTER
0
= neutral
TCR/MATERIAL
0
= standard
VALUE
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
TOLERANCE
J
=±5%
PACKAGING
(2)
A1
A5
R5
AC
PRODUCT DESCRIPTION: NFR01 5 % A1 1R0
NFR01
MODEL
NFR01
NFR02
NFR03
5%
TOLERANCE
±
5
%
A1
PACKAGING
(2)
A1
A5
R5
AC
1R0
RESISTANCE VALUE
1R0
= 1
Ω
470R
= 470
Ω
Notes
(1)
The PART NUMBER is shown to facilitate the introduction of the unified part numbering system
(2)
Please refer to table PACKAGING, see next page
www.vishay.com
2
For technical questions, contact: filmresistors.leaded@vishay.com
Document Number: 30256
Revision: 06-Dec-07
NFR01, NFR02, NFR03
Fusible Power Metal Film Leaded
Resistors
PACKAGING
REEL
MODEL
PIECES
NFR01
NFR02
NFR03
5000
5000
-
CODE
R5
R5
-
PIECES
1000
5000
1000
500
CODE
A1
A5
A1
AC
BOX
Vishay BCcomponents
DIMENSIONS
L
1
Ø
D
Ø
d
L
2
A
DIMENSIONS
- resistor types, mass and relevant physical dimensions
TYPE
NFR01
NFR02
NFR03
L
1 max.
(mm)
6.5
10
16.7
L
2 max.
(mm)
8.5
12
19.5
D
max.
(mm)
2.5
4
5.3
Ød
(mm)
0.58 ± 0.05
0.80 ± 0.03
0.80 ± 0.03
A
(mm)
52.5 ± 1.5
52.5 ± 1.5
63.0 ± 1.5
MASS (g)/
100 pieces
22
50
120
MARKING
The nominal resistance and tolerance are marked on the resistor using four colored bands in accordance with IEC 60062 “Color
code for fixed resistors”. There is a fifth black band in order to indicate the type of resistor. Standard values of nominal resistance
are taken from the E24 series for resistors with a tolerance of ± 5 %.
FUNCTIONAL PERFORMANCE
Power Dissipation
P
100
0
- 55
0
70
155
Ambient temperature
ϑ
amb
Derating - Standard Operation
Maximum dissipation (P
max.
) in percentage of rated power as a function of ambient temperature (T
amb
)
Document Number: 30256
Revision: 06-Dec-07
For technical questions, contact: filmresistors.leaded@vishay.com
www.vishay.com
3
NFR01, NFR02, NFR03
Vishay BCcomponents
APPLICATION INFORMATION
NFR01
Hot Spot
160
Ø 0.58 mm Cu
140
120
100
40
50
20 mm
25 mm
60
Ø 0.58 mm Cu
15 mm
Fusible Power Metal Film Leaded
Resistors
Solder Spot
Δ
T
80
(°C)
60
40
20
0
Δ
T
30
0
(°C)
20
10
0
0.2
0.4
0.6
0.8
1.0
0
0
0.2
0.4
0.6
0.8
1.0
1.2
P
(W)
Hot spot temperature rise (ΔT) as a function
of dissipated power
P
(W)
Temperature rise (ΔT) at the lead end (soldering
point) as a function of dissipated power at various leads
lengths after mounting
NFR02
Hot Spot
160
Ø 0.80 mm Cu
140
80
120
100
60
20 mm
100
Ø 0.80 mm Cu
15 mm
Solder Spot
25 mm
Δ
T
80
(°C)
60
40
Δ
T
(°C)
40
20
20
0
0
0
0.5
1.0
1.5
2.0
0
0.5
1.0
1.5
2.0
P
(W)
Hot spot temperature rise (ΔT) as a function
of dissipated power
P
(W)
Temperature rise (ΔT) at the lead end (soldering
point) as a function of dissipated power at various leads
lengths after mounting
www.vishay.com
4
For technical questions, contact: filmresistors.leaded@vishay.com
Document Number: 30256
Revision: 06-Dec-07
NFR01, NFR02, NFR03
Fusible Power Metal Film Leaded
Resistors
NFR03
Hot Spot
180
Ø 0.80 mm Cu
160
140
120
60
25 mm
80
100
Ø 0.80 mm Cu
15 mm
20 mm
Vishay BCcomponents
Solder Spot
Δ
T
(°C)
80
60
40
20
0
0
0.5
1.0
1.5
2.0
2.5
3.0
100
0
Δ
T
(°C)
40
20
0
0
0.5
1.0
1.5
2.0
2.5
3.0
P
(W)
Hot spot temperature rise (ΔT) as a function
of dissipated power
P
(W)
Temperature rise (ΔT) at the lead end (soldering
point) as a function of dissipated power at various leads
lengths after mounting
FUSING CHARACTERISTIC
The resistors will fuse without the risk of fire and within an indicated range of overload. Fusing means that the resistive value of
the resistor increases at least 100 times.
Resistance Range
0.47
Ω
- 10
Ω
10.1
Ω
- 1 kΩ
Power Overload
≥
20 x maximum dissipation at 70 °C (Pn)
≥
16 x maximum dissipation at 70 °C (Pn)
Fusing Time
≤
60 s
TESTS AND REQUIREMENTS
Essentially all tests are carried out in accordance with the schedule of IEC 60115-1, category 55/155/56 (rated temperature range
- 55 to + 155 °C; damp heat, long term, 56 days) and along the lines of IEC 60068-2; “Recommended basic climatic and
mechanical robustness testing procedure for electronic components” and under standard atmosphere conditions according to
IEC 60068-1 subclause 5.3, unless otherwise specified. In some instances deviations from IEC applications were necessary for
our specified method.
PERFORMANCE
IEC
60115-1
CLAUSE
4.8
IEC
60068-2
TEST
METHOD
-
TEST
Temperature
coefficient
Endurance at 70 °C
PROCEDURE
NFR01
Between
- 55 °C and + 155 °C
1000 h;
loaded with Pn or V
max.
;
1.5 h ON; 0.5 h OFF
Overload of 5, 10, 16, 25, 40, 63
and 100 times the rated power,
but the applied voltage shall not
exceed four times the limiting
voltage.
REQUIREMENTS
PERMISSIBLE CHANGE (ΔR)
NFR02
± 200 ppm/K
± (5 %
R
+ 0.1
Ω)
NFR03
4.25.1
-
4.26
-
Accidental overload
Non-flammable
Document Number: 30256
Revision: 06-Dec-07
For technical questions, contact: filmresistors.leaded@vishay.com
www.vishay.com
5
