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Thick Film Chip Resistors
NRCV Series
FEATURES
NEW
High Voltage
Resistors
(Up to 3KV)
• EIA STANDARD SIZING 0402 (1/16W), 0603 (1/10W), 0805 (1/8W), 1206 (1/4W),
2010 (1/2W) AND 2512 (1W)
• HIGH VOLTAGE (100VDC ~ 3,000VDC)
• HIGH RESISTANCE VALUES (UP TO 100MW)
• THICK FILM ON ALUMINA SUBSTRATE, RuO2/Ag RESISTIVE LAYER
• GLASS AND EPOXY OVERCOAT
Type
EIA
Size
Max.*1 Max.*2
Power Rating
Working Overload
at 70°C
Voltage Voltage
0402
1/16W
(0.063W)
NRCV06
0603
1/10W
(0.10W)
200V
400V
NRCV10
0805
1/8W
(0.125W)
400V
800V
NRCV04
NRCV12
NRCV50
NRCV100
1206
1/4W
(0.25W)
2010
1/2W
(0.50W)
2512
1W
100V
500V
2000V
3000V
200V
1000V
3000V
4000V
Resistance
Tolerance
(Code)
±1% (F)
±5% (J)
±1% (F)
±5% (J)
±5% (J)
±1% (F)
±5% (J)
±1% (F)
±5% (J)
±5% (J)
±1% (F)
±5% (J)
±1% (F)
±5% (J)
±5% (J)
±1% (F)
±5% (J)
±1% (F)
±5% (J)
±5% (J)
±1% (F)
±5% (J)
±1% (F)
±5% (J)
±5% (J)
±1% (F)
±5% (J)
±1% (F)
±5% (J)
±5% (J)
Temperature
Coefficient
(ppm/°C)
Note *1 - Maximum allowable continuous Working Voltage for all resistors is the lower of the two values:
“Maximum Working Voltage” as specified above
(or)
Resistance
Range
(Ω)
Operating
Resistance
Temperature
Value
Range (°C)
±100
39K ~ 1M
E-24,E-96
±200
±200
±400
1.02M ~ 10M
1.1M ~ 20M
22M ~ 100M
E-96
E-24
E-24
±100
56K ~ 1M
E-24,E-96
±200
±200
±400
1.02M ~ 10M
1.1M ~ 20M
22M ~ 100M
E-96
E-24
E-24
±100
100K ~ 1M
E-24,E-96
±200
±200
±400
1.02M ~ 10M
1.1M ~ 20M
22M ~ 100M
E-96
E-24
E-24
±100
100K ~ 1M
E-24,E-96
±200
±200
±400
1.02M ~ 10M
1.1M ~ 20M
22M ~ 100M
E-96
E-24
E-24
±100
51K ~ 1M
E-24,E-96
±200
±200
±400
1.02M ~ 10M
1.1M ~ 20M
22M ~ 100M
E-96
E-24
E-24
±100
30K ~ 1M
E-24,E-96
±200
±200
±400
1.02M ~ 10M
1.1M ~ 20M
22M ~ 100M
E-96
E-24
E-24
-55 ~ +155
Power Derating Curve: For operation above 70°C,
power rating must be derated according to the following chart:
100
80
Note *2 - Maximum allowable Overload voltage is two times the Maximum Working Voltage (see Note *1 above).
RATE (%)
Power rating (Watts) x Resistance (Ohms)
60
40
20
0
-20
20
100
60
70
140 160
155
o
C
PART NUMBER SYSTEM (1% Tol. E-24 & E96 VALUES)
PART NUMBER SYSTEM (5% Tol. E-24 VALUES)
NRCV 12 F 1002 TR 10 F
NRCV 12 J 103 TR 10 F
RoHS compliant
RoHS compliant
Opt. Reel Qty 10=10K (see page 5)
Opt. Reel Qty 10=10K (see page 5)
Tape & Reel Packaging
Tape & Reel Packaging
Resistance Code: First 3 figures are significant,
Resistance Code: First 2 figures are significant, 4th digit is the multiplier
3rd digit is the multiplier
Tolerance Code: F = 1%
Tolerance Code: J = 5%
Size Code
Size Code
Series
Series
1
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Thick Film Chip Resistors
NRCV Series
NRCV Series - Examples of Advantage in Voltage Rating
0402 and 0603 Case Sizes
2010 Case Size
2
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Thick Film Chip Resistors
NRCV Series
Based on voltage rating formula Working Voltage = Power rating (Watts) x Resistance (Ohms) the NRCV parts will have a higher voltage
rating than the standard NRC parts in values above (see table below):
EIA
Size
0402
0603
0805
1206
2010
2512
Resistance Value
39.2K
24.9K
178K
158K
78.7K
61.9K
Example: Maximum voltage for 0805 case size, 470K ohm part:
0.125 (Watts) x 470,000 (Ohms)
1. NRC10 (0.125W) maximum voltage is
2. NRCV10 (0.125W) maximum voltage is
= 242.3V or 150V whichever is less, so limit is 150V
0.125 (Watts) x 470,000 (Ohms)
= 242.3V or 400V whichever is less, so limit is 242.3V
ENVIRONMENTAL CHARACTERISTICS
Item
Temperature Coefficient
of Resistance
Short Time Overload
Insulation Resistance
Tol.
1%
Test Method
Tol.
5%
JIS-C-5201-1 4.8 & IEC-60115-1 4.8
-55°C ~ +125°C, +25°C is the reference temperature
As specified
∆R ±(1% + 0.05W)
∆R ±(2% + 0.05W)
JIS-C-5201-1 4.13 & IEC-60115-1 4.13
RCWV x 2.5 or max overloading voltage whichever is less
for 5 Seconds
JIS-C-5201-1 4.6 & IEC-60115-1 4.6
Maximum overload voltage for 1 minute
>10,000MΩ
JIS-C-5201-1 4.25 & IEC-60115-1 4.25.1
RCWV +70°C ± 2°C, 1.5 hours "ON", 0.5 hours "OFF"
Total time 1,000 hours
JIS-C-5201-1 4.24
RCWV +40°C ± 2°C, 90~95% RH, 1.5 hour "ON", 0.5 hours "OFF"
Total time 1,000 hours
Endurance
(Load Life)
∆R ±(2% + 0.10W)
∆R ±(3% + 0.10W)
Damp Heat with Load
∆R ±(2% + 0.10W)
∆R ±(3% + 0.10W)
Dry Heat
∆R ±(1% + 0.05W)
∆R ±(1.5% + 0.10W)
JIS-C-5201-1 4.23 & IEC-60115-1 2.23.2
at +155°C for 1,000 hours
Bending Strength
∆R ±(1% + 0.05W)
∆R ±(1.0% + 0.05W)
JIS-C-5201-1 4.33 & IEC-60115-1 4.33
Bend once for 5 seconds (0402 ~ 1206: 3mm, 2010, 2512: 2mm)
Solderability
Resistance to
Soldering Heat
95% minimum coverage
∆R ±(0.5% + 0.05W)
∆R ±(1.0% + 0.05W)
JIS-C-5201-1 4.17 & IEC-60115-1 4.17
245°C ± 5°C for 3 seconds
JIS-C-5201-1 4.18 & IEC-60115-1 4.18
260°C ± 5°C for 10 seconds
Withstanding Voltage
No breakdown or flashover
JIS-C-5201-1 4.7 & IEC-60115-1 4.7
0402: 150V for 1 minute
0603: 300V for 1 minute
0805, 1206, 1210 and 2512: 500V for 1 minute
Leaching
Individual leaching area < 5%
Total leaching area < 10%
JIS-C-5201-1 4.18 & IEC-60068-2-58 8.2.1
260°C ± 5°C for 30 seconds
Rapid Change in
Temperature
3
Specification
∆R ±(0.5% + 0.05W)
∆R ±(1.0% + 0.05W)
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JIS-C-5201-1 4.18 & IEC-60115-1 4.18
-55°C ~ 155°C, 5 cycles
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Thick Film Chip Resistors
NRCV Series
CONSTRUCTION
No.
1
2
3
4
5
6
7
8
9
Item
2nd Overcoat
Primary Overcoat
Resistive Layer
Substrate
Bottom Electrode
Temination Finish
Barrier Layer
Edge Electrode
Top Electrode
Material
Epoxy
Glass
RuO2
Alumina
Ag
Sn
Ni
NiCr
Ag-Pd
9
8
7
6
1
2
3
4
5
COMPONENT DIMENSIONS (mm)
Type
NRCV04
NRCV06
NRCV10
NRCV12
NRCV50
NRCV100
EIA
Size
0402
0603
0805
1206
2010
2512
L
W
H
T
t
1.00 ± 0.05
1.60 ± 0.15
2.00 ± 0.20
3.10 ± 0.10
5.00 ± 0.10
6.35 ± 0.10
0.50 ± 0.05
0.80 ± 0.10
1.25 ± 0.10
1.55 ± 0.10
2.50 ± 0.15
3.10 ± 0.15
0.35 ± 0.05
0.45 ± 0.10
0.50 ± 0.10
0.55 ± 0.10
0.55 ± 0.10
0.55 ± 0.10
0.20 ± 0.10
0.30 ± 0.20
0.40 ± 0.20
0.50 ± 0.20
0.50 ± 0.20
0.50 ± 0.20
0.20 ± 0.10
0.30 ± 0.20
0.35 ± 0.20
0.50 ± 0.25
0.60 ± 0.25
0.60 ± 0.25
LAND PATTERN DIMENSIONS (mm)
Type
NRCV04
NRCV06
NRCV10
NRCV12
NRCV50
NRCV100
EIA
Size
0402
0603
0805
1206
2010
2512
A
B
C
0.50
0.90
1.20
2.00
3.80
3.80
0.45
0.60
0.70
0.90
0.90
1.60
0.60
0.90
1.30
1.60
2.80
3.50
300
260
245
220
200
C
B
B
A
REFLOW SOLDERING TEMPERATURE PROFILE
Peak Temperature 260°C
10 sec. max.
Time >245°C
60 sec. max.
Time >220°C
60 sec. max.
150
100
150°C ~ 180°C
90 ~120 Sec.
50
0
4
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Thick Film Chip Resistors
NRCV Series
COMPONENT MARKING (Note: no marking on 0402 case size parts).
1. For E-24 Series J (±5%) Tolerance In 0603, 0805, 1206, 2010 and 2512 sizes:
3 DIGIT SYSTEM - First two digits are significant and third digit is multiplier
Examples: 100 = 10 ohms
101 = 100 ohms
105 = 1,000,000 ohms
102 = 1,000
106 = 10,000,000 ohms
103 = 10,000 ohms 104 = 100,000 ohms
107 = 100,000,000 ohms
2. For E-96 Series F (±1%) Tolerance in 0805, 1206 and 2010 and 2512 sizes:
4 DIGIT SYSTEM - First 3 digits are significant and fourth digit is multiplier, "R" represents decimal point
Examples: 10R0 = 10 ohms 1000 = 100 ohms
1001 = 1,000 ohms 1002 = 10,000 1003 = 100,000 ohms
1004 = 1,000,000 ohms
1005 = 10,000,000 ohms
3. For E-96 Series F (±1%) Tolerance in 0603 size (available from 10 ohm ~ 10Mohm)
Special 3 DIGIT SYSTEM below (Due to space restrictions)
0603 E-96 VALUES 1% TOLERANCE RESISTANCE CODE
E-96
Value Code
100
01
110
05
121
09
133
13
147
17
162
21
178
25
196
29
215
33
237
37
261
41
287
45
316
49
348
53
383
57
422
61
464
65
511
69
562
73
619
77
681
81
750
85
825
89
909
93
Value Code
102
02
113
06
124
10
137
14
150
18
165
22
182
26
200
30
221
34
243
38
267
42
294
46
324
50
357
54
392
58
432
62
475
66
523
70
576
74
634
78
698
82
768
86
845
90
931
94
Value Code
105
03
115
07
127
11
140
15
154
19
169
23
187
27
205
31
226
35
249
39
274
43
301
47
332
51
365
55
402
59
442
63
487
67
536
71
590
75
649
79
715
83
787
87
866
91
953
95
Value Code
107
04
118
08
130
12
143
16
158
20
174
24
191
28
210
32
232
36
255
40
280
44
309
48
340
52
374
56
412
60
453
64
499
68
549
72
604
76
665
80
732
84
806
88
887
92
976
96
MULTIPLIER CODE
Code
A B,b C D,d E
F
G H
X
Y
Z
Multiplier 100 101 102 103 104 105 106 107 10-1 10-2 10-3
CODING FORMULA
XX
X
Multiplier Code
Example: 10.2kΩ = 102 x 102 Ω = 02C
02 C
33.2 Ω = 332 x 10-1 = 51X
51 X
Resistance Code
5
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Marking Examples
10Ω = 01X
7.5KΩ = 85B or 85b
150KΩ = 18D or 18d
6.81MegΩ = 81E
10MegΩ = 01F
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Thick Film Chip Resistors
NRCV Series
PUNCHED Taping Specifications
1. Reel Quantities
EIA
Size
0402
0603
0805
1206
Type
NRCV04
NRCV06
NRCV10
NRCV12
Carrier Tape
Material
Paper
Paper
Paper
Paper
Fig.
A
A
A
A
Qty per
7" Reel
10,000
5,000
5,000
5,000
Width (mm)
8
8
8
8
Qty per
10" Reel
20,000
10,000
10,000
10.000
Qty per
13" Reel
40,000
20,000
20,000
20,000
2. Carrier Dimensions (mm)
Type
EIA Size
A
B
NRCV04
NRCV06
NRCV10
NRCV12
0402
0603
0805
1206
0.65 ± 0.10
1.10 ± 0.10
1.60 ± 0.10
1.90 ± 0.10
1.15 ± 0.10
1.90 ± 0.10
2.40 ± 0.20
3.50 ± 0.20
D
E
F
Po
P1
P2
T
1.5 + 0.1 / - 0
0.45 ± 0.10
0.70 ± 0.10
1.75 ± 0.1 3.5 ± 0.05 4.0 ± 0.1
2.0 ± 0.05
4.0 ± 0.05
0.85 ± 0.10
0.85 ± 0.10
W
2.0 ± 0.05
P0
P2
8.0 ± 0.2
D
E
Cover tape
F W
B
A
P1
T
3. Embossed Plastic Tape Specification
Reel Quantities and Carrier Dimensions (mm)
Type
EIA
Size
A
fD
B
NRCV50 2010 2.8 ± 0.1 5.5 ± 0.1
1.5 +0.1 / -0
NRCV100 2512 3.5 ± 0.1 6.7 ± 0.1
E
F
1.75
± 0.1
5.5
± 0.05
P0
P1
4.0
4.0
± 0.1 ± 0.1
P0
P2
T
W
2.0
± 0.05
1.2
+0
12.0
± 0.1
Qty per Reel
7" Reel 10" Reel
4,000
8,000
fD
E
Cover tape
F W
B
P1
A
T
6
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Thick Film Chip Resistors
NRCV Series
4. Reel Specifications
Type
NRCV04
NRCV06
NRCV10
NRCV12
NRCV50
NRCV100
Reel Diameter
fA
7"
178.5 ± 1.5
10"
254 ± 1.0
13"
330 ± 1.0
7"
178.5 ± 1.5
10"
254 ± 1.0
13"
330 ± 1.0
7"
178.5 ± 1.5
10"
254 ± 1.0
fB (mm)
fC (mm)
fW (mm)
fT (mm)
Reel Qty
Part Number Suffix
10,000
20,000
40,000
5,000
10,000
20,000
4,000
8,000
TRF
TR20F
TR40F
TRF
TR10F
TR20F
TRF
TR8F
60 +1 / -0
9.0 ± 0.5
12.5 ± 0.5
100 ± 0.5
9.5 ± 0.5
13.5 ± 0.5
9.0 ± 0.5
12.5 ± 0.5
100 ± 0.5
9.5 ± 0.5
13.5 ± 0.5
60 +1 / -0
62 ± 0.5
13.0 ± 0.5
12.5 ± 0.5
15.5 ± 0.5
16.5 ± 0.5
60 +1 / -0
13.0 ± 0.2
T
fC
fB
W
fA
7
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