High Power Thin Film Chip Resistors
FEATURES
NTRH Series
•
IMPROVED POWER RATING
(HIGHER THAN NTR SERIES)
•
PRECISE TOLERANCE AND TEMPERATURE COEFFICIENT
•
EIA STANDARD CASE SIZES (0603 ~ 1206)
•
LOW NOISE, THIN FILM (NiCr) CONSTRUCTION
•
REFLOW SOLDERABLE (Pb FREE TERMINATION FINISH)
Type
Max.*1 Max.*2
EIA Power Rating Working Overload
Size
at 70°C
Voltage Voltage
50V
150V
200V
100V
300V
400V
RoHS
Compliant
includes all homogeneous materials
*See Part Number System for Details
Resistance
Tolerance
(Code)
±0.1% (B), ±0.25 (C), ±0.5 (D), ±1% (F)
±0.1% (B), ±0.25 (C), ±0.5 (D), ±1% (F)
±0.1% (B), ±0.25 (C), ±0.5 (D), ±1% (F)
Temperature Resistance Reistance
Coefficient
Range
Values
(ppm/°C)
(Ω)
±25, ±50
±25, ±50
±25, ±50
10 ~ 332KΩ
4.7 ~ 1MΩ
4.7 ~ 1MΩ
NTRH06 0603 1/10 (0.100)W
NTRH10 0805 1/8 (0.125) W
NTRH12 1206 1/4 (0.250) W
E24 &
E-96
ENVIRONMENTAL CHARACTERISTICS
Item
Temperature Coefficient of
Resistance
Short Time Overload
Dielectric Withstanding Voltage
Insulation Resistance
Thermal Shock
Load Life
Specification
As specified
ΔR
± 0.5%
As specified
>1000MΩ
ΔR
± 0.25%
ΔR
± 0.5%
ΔR
± 0.5%
ΔR
± 0.2%
ΔR
± 0.5%
ΔR
± 0.2%
95% Minimum
Coverage
ΔR
± 0.2%
Test Method
MIL-STD-202, Method 304
+25/-55/+25/+125/+25
JIS-C-5202-5.5
RCWV x 2.5 or Max Overloading Voltage for 5 Seconds
MIL-STD-202F Method 301
Apply Max. Overload Voltage for 1 minute
MIL-STD-202F Method 302
Apply 100Vdc for 1 minute
MIL-STD-202F Method 107G
-55°C ~ +150°C, 100 cycles
MIL-STD-202F Method 108A
RCWV +70°C, 1.5 hours ON, 0.5 hours OFF
Total time 1,000 ~ 1,048 hours
MIL-STD-202F Method 103B
+40°C, 90% ~ 95% RH, RCWV 1.5 hours ON, 0.5 hours OFF
Total time 1,000 ~ 1,048 hours
JIS-C5202-7.2
96 hours @ +155°C without load
JIS-C-502-7.1
1 hour @ -65°C followed by 45 minutes of RCWV
JIS-C-5202-6.1.4
Bending Amplitude 3mm for 10 seconds
MIL-STD-202F Method 208H
245°C ±5°C, 5 ±0.5 seconds
MIL-STD-202F Method 210E
260°C ±5°C for 10 ±1 seconds
Humidty (Steady State)
Resistance to Dry Heat
Low Temperature Operation
Bending Strength
Solderability
Resistance to Soldering Heat
PART NUMBER SYSTEM
NTRH 10 B 1003 C TR F
RoHS compliant
Tape & Reel Packaging
Temperature Coefficient Code:
C = ±25ppm, D = ±50ppm
Resistance Code: First 3 digits are significant figures (both E-24
and E-96 values), 4th digit is the multiplier, “R”
indicates a decimal point.
Tolerance Code: B = ± 0.1%, C = ± 0.25%, D = ± 0.5%, F = ± 1%
Power Rating Code
Series
34
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
High Power Thin Film Chip Resistors
Note *1
- Maximum allowable continuous Working Voltage
for all resistors is the lower of the two values:
“Maximum Working Voltage” as specified above
or
NTRH Series
Note *2
- Maximum Overload Voltage for all
resistors is the lower of the two values:
"Maximum Overload Voltage” as specified above
or
2x
Power rating (Watts) x Resistance (Ohms)
Power rating (Watts) x Resistance (Ohms)
TYPICAL NOISE CHARACTERISTICS
Percentage of Power Rating
Resistance
Value (Ω)
4.7 ~ 9
10 ~ 49
50 ~ 99
100 ~ 4.99K
5K ~ 19.9K
20K ~ 1M
Case Size
0603
-95dB
-85dB
-85dB
-100dB
-100dB
-90dB
0805
-95dB
-85dB
-85dB
-100dB
-100dB
-100dB
1206
-95dB
-85dB
-85dB
-105dB
-100dB
-100dB
Power Derating Curve:
For operation above 70°C, power rating
must be derated according to the following chart:
100
80
60
40
30
20
0
20
40
60
70
80
100
120
140
155
Temperature °C
STANDARD E-24, E-96 VALUES AND 0603 RESISTANCE CODES
E-24
Value
100
110
120
130
150
160
180
200
220
240
270
300
330
360
390
430
470
510
560
620
680
750
820
910
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
E-96
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
MULTIPLIER CODES
B,
Code
A
C D, d E
F G H X Y
Z
b
Value Code
Multiplier 10
0
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
-1
10
-2
10
-3
107
04
118
08
1. Marking for 0603 case size is a three character code. The
130
12
code
includes two characters to denote the value (based on 0603
143
16
Resistance Codes Table and a third character that denotes the
value multiplier (see multiplier codes table).
158
20
174
24
CODING FORMULA
MARKING EXAMPLES
191
28
10Ω = 01X
XX
X
210
32
7.5k
Ω
= 85B
232
36
150k
Ω
= 18D
Multiplier Code
255
40
Resistance Code
1 MegΩ = 01E
280
44
309
48
2. The 0805 and 1206 case sizes parts use the standard four
340
52
character marking metthod as shown in the examples below.
374
56
412
60
E-24 and E-96 series - ±0.5% (D), ±0.25%(C), ±0.1% (B) tolerances
453
64
4 DIGIT MARKING SYSTEM - First 3 digits are the significant fig-
ures, the 4th digit is the mulitplier. "R"= decimal point.
499
68
549
72
Examples: 0R10 = 0.10 ohms, 1R00 = 1.0 ohms, 22R1=22.1
604
76
ohms, 3320= 332 ohms, 4751=4.75K ohms, 1132=11.3K ohms,
665
80
6493=649K ohms
732
84
806
88
887
92
976
96
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
35
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