Metal Film MELF Resistors
FEATURES
•
SURFACE MOUNT IN SIZES 0204 (1406), 0207 (2410) AND 0309 (3414)
• AVAILABLE IN PRECISION TOLERANCE AND TC (TO ±1% TOL. AND ±25PPM TC)
• ALL SIZES ARE AVAILABLE IN TAPE/REEL FOR AUTOMATIC MOUNTING
• SAC REFLOW SOLDERABLE (+260°C FOR 3 SECONDS)
SPECIFICATIONS
Type
Size
Power Rating
at 70°C
Max. *1
Working
Voltage
Max. *2
Overload
Voltage
Resistance
Tolerance
Code
±1% (F)
±1% (F)
±2% (G)
±1% (F)
±5% (J)
±1% (F)
±1% (F)
±2% (G)
±1% (F)
±5% (J)
±1% (F)
±1% (F)
±2% (G)
±1% (F)
±5% (J)
±1% (F)
±1% (F)
±2% (G)
±1% (F)
±1% (F)
±5% (J)
±1% (F)
±1% (F)
±2% (G)
±1% (F)
±5% (J)
±1% (F)
±1% (F)
±2% (G)
±1% (F)
±5% (J)
±1% (F)
±1% (F)
±2% (G)
±1% (F)
±5% (J)
Temperature
Coefficient
(ppm/°C)
±25 (C)
±50 (D)
±50 (D)
±100 (E)
±100 (E)
±25 (C)
±50 (D)
±50 (D)
±100 (E)
±100 (E)
±25 (C)
±50 (D)
±50 (D)
±100 (E)
±100 (E)
±25 (C)
±50 (D)
±50 (D)
±100 (E)
±100 (E)
±100 (E)
±25 (C)
±50 (D)
±50 (D)
±100 (E)
±100 (E)
±25 (C)
±50 (D)
±50 (D)
±100 (E)
±100 (E)
±25 (C)
±50 (D)
±50 (D)
±100 (E)
±100 (E)
Resistance
Range (Ω)*3
100 ~ 560K
1.0 ~ 5.1M
1.0 ~ 5.1M
5.11M ~ 10M
0.1 ~ 0.99
100 ~ 560K
1.0 ~ 5.1M
1.0 ~ 5.1M
5.11M ~ 10M
0.1 ~ 0.99
100 ~ 560K
1.0 ~ 5.1M
1.0 ~ 5.1M
5.11M ~ 10M
0.1 ~ 0.99
100 ~ 560K
1.0 ~ 5.1M
1.0 ~ 5.1M
5.11M ~ 10M
0.1 ~ 0.99
0.1 ~ 0.99
100 ~ 560K
1.0 ~ 5.1M
1.0 ~ 5.1M
5.11M ~ 10M
0.1 ~ 0.99
100 ~ 560K
1.0 ~ 5.1M
1.0 ~ 5.1M
5.11M ~ 10M
0.1 ~ 0.99
100 ~ 560K
1.0 ~ 5.1M
1.0 ~ 5.1M
5.11M ~ 10M
0.1 ~ 0.99
NFR Series
Resistance
Values
E-24 & E-96
E-24 & E-96
E-24
E-24 & E-96
E-24
E-24 & E-96
E-24 & E-96
E-24
E-24 & E-96
E-24
E-24 & E-96
E-24 & E-96
E-24 & E-96
E-24 & E-96
E-24
E-24 & E-96
E-24 & E-96
E-24 & E-96
E-24 & E-96
E-24 & E-96
E-24
E-24 & E-96
E-24 & E-96
E-24
E-24 & E-96
E-24
E-24 & E-96
E-24 & E-96
E-24
E-24 & E-96
E-24
E-24 & E-96
E-24 & E-96
E-24
E-24 & E-96
E-24
Operating
Temperature
Range
NFR0204Q
0204
(1406)
0.25W
200V
400V
NFR0207Q
0207
(2410)
0.25W
250V
500V
NFR0207H
0207
(2410)
0.5W
250V
500V
NFR0207J
0207
(2410)
1.0W
350V
700V
-55°C ~ +155°C
NFR0309H
0309
(3414)
0.5W
350V
700V
NFR0309J
0309
(3414)
1.0W
350V
700V
NFR0309K
0309
(3414)
2.0W
350V
700V
Note *1
- Maximum allowable continuous Working Voltage
for all resistors is the lower of the two values:
Note *
- Maximum Overload Voltage for all resistors is the
lower of the two values:
“Maximum Working Voltage” as specified above
or the result of the following formula
Power rating (Watts) x Resistance (Ohms)
2.5x
“Maximum Overload Voltage” as specified above
or the result of the following formula
Power rating (Watts) x Resistance (Ohms) for 5 sec.
100
POWER RATING %
80
60
40
20
0
-40
Power Derating Curve:
For operation above
70
o
C, power ratingmust be derated according
to the following chart:
-20
0
80
70
AMBIENT TEMPERATURE °C
20
60
100
120
140
155
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
1
Metal Film MELF Resistors
PART NUMBER SYSTEM (1% E-24 & E-96 VALUES)
NFR 0204 Q F 1213 C TR F
RoHS compliant
Tape & Reel Packaging
Temperature Coefficient Code: C = ±25ppm, D = ±50ppm, E=±100ppm
Resistance Code: First 2
fi
gures are significant,
3rd digit is the multiplier, “R”
indicates a decimal point.
Tolerance Code: F = ±1%
Power Rating Code: Q = 0.25W, H = 0.50W, J = 1.0W, K = 2.0W
Size Code: See dimensions table
Series
PART NUMBER SYSTEM (2% & 5% E-24 VALUES)
NFR 0204 Q J 103 E TR F
RoHS compliant
Tape & Reel Packaging
Temperature Coefficient Code: C = ±25ppm, D = ±50ppm, E = ±100ppm
Resistance Code: First 2
fi
gures are significant,
3rd digit is the multiplier, “R”
indicates a decimal point.
Tolerance Code: G = ±2% and J = ±5%
Power Rating Code: Q = 0.25W, H = 0.50W, J = 1.0W, K = 2.0W
Size Code: See dimensions table
Series
E-24
Values
100
110
120
130
150
160
180
200
220
240
270
300
330
360
390
430
470
510
560
620
680
750
820
910
NFR Series
E-24 & E-96 VALUES
100
110
121
133
147
162
178
196
215
237
261
287
316
348
383
422
464
511
562
619
681
750
825
909
E-96
Values
102 105
113 115
124 127
137 140
150 154
165 169
182 187
200 205
221 226
243 249
267 274
294 301
324 332
357 365
392 402
432 442
475 487
523 536
576 590
634 649
698 715
768 787
845 866
931 953
107
118
130
143
158
174
191
210
232
255
280
309
340
374
412
453
499
549
604
665
732
806
887
976
DIMENSIONS (mm)
Type
NFR0207Q
NFR0207H
NFR0207J
NFR0309H
NFR0309J
NFR0309K
D3
COLOR CODING
L
D1
D2
D3
C
1.40 ± 0.1 1.55 max. 0.10 max. 0.5 min.
Color
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Grey
White
Gold
Silver
Significant Figure
1st
2nd 3rd*
0
0
0
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
6
6
6
7
7
7
8
8
8
9
9
9
-
-
-
-
-
-
Multiplier
1
10
100
1,000
10,000
100,00
1,000,000
10,000,000
-
-
0.1
0.01
Size
NFR0204Q 0204
3.5 ± 0.2
0207
5.9 ± 0.2
2.20 ± 0.1 2.40 max. 0.15 max. 0.5 min.
0309
8.5 ± 0.2
3.20 ± 0.2 3.40 max. 0.30 max. 0.5 min.
C
L
D1
D2
Note: 3 bands for 2%* & 5% tolerance parts,
4 bands for 1% tolerance parts.
*2% tolerance parts identified by reel label
2
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
Metal Film MELF Resistors
CONSTRUCTION
1
2
3
4
5
6
Item
Insulation Coating
Marking
Cutting Line
Ceramic Core
Resistive Film
Terminal
Material
Epoxy (Blue)
Epoxy Resin
-
Alumina
Metal Film
Fe/Cu/Sn
1
2
3
4
5
6
NFR Series
LAND PATTERN DIMENSIONS (mm)
Type
NFR0204Q
NFR0207Q
NFR0207H
NFR0207J
NFR0309H
NFR0309J
NFR0309K
0309
3.0
3.0
5.0
3.5
B
C
Adhesive
0207
2.0
3.0
4.0
3.0
D
A
Case Size
0204
A
1.5
B
1.5
C
2.0
D
2.2
Land Pads
300°C
260°C
220°C
200°C
180°C
100°C
50°C
0
REFLOW SOLDERING TEMPERATURE PROFILE
Peak Temperature 260°C
3 sec. max.
120 sec. max.
Time above 220°C
60 sec. max.
CARRIER TAPE DIMENSIONS (mm)
Type
NFR0204Q
NFR0207Q
NFR0207H
NFR0207J
NFR0309H
NFR0309J
NFR0309K
0309
(3414)
3.5±0.1
8.85±0.1 16.0±0.1 7.5±0.10 1.75±0.1
1.5±0.1
1.5±0.1
4.0±0.1
2.0±0.1
3.50±0.1 0.35±0.05
0207
(2410)
2.4±0.1
6.05±0.1 12.0±0.1 5.5±0.05 1.75±0.1
1.5±0.1
1.5±0.1
4.0±0.1
2.0±0.1
2.50±0.1 0.30±0.05
Case Size
0204
(1406)
A
1.6±0.1
B
3.7±0.1
W
8.0±0.1
F
E
D
1.5±0.1
D
1
1.0±0.1
P
0
4.0±0.1
P
2
2.0±0.1
K
0
t
3.5±0.05 1.75±0.1
1.65±0.1 0.22±0.05
EMBOSSED PLASTIC CARRIER
t
P
0
P
2
D
E
Cover tape
A
0
D1
B
0
F W
K
0
P
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
3
Metal Film MELF Resistors
REEL DIMENSIONS AND QUANTITY (mm)
Type
NFR0204Q
NFR0207Q
NFR0207H
NFR0207J
NFR0309H
NFR0309J
NFR0309K
W
0309
330 ± 1.0
100.0 ± 1.0 13.0 ± 0.5 17.0 ± 0.5
21.5 ± 0.20
2,500
0207
178 ± 1.0
60.0 ± 0.5
13.0 ± 0.5 13.2 ± 0.5
16.0 ± 0.20
2,000
Case Size
0204
A
178 ± 1.0
B
60.0 ± 0.5
C
13.0 ± 0.2
W
9.0 ± 0.5
T
12.0 ± 0.15
Qty
3,000
NFR Series
A
C
B
T
4
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
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