RCWV =√ P × R WHERE: RCWV = RATED DC OR RMS AC CONTINUOUS WORKING VOLTAGE AT
COMMERCIAL-LINE FREQUENCY AND WAVEFORM (VOLT.) P = POWER RATING (WATT.) R = NOMINAL RESISTANCE (OHM) IN NO CASE SHALL THE RATED DC OR RMS AC CONTINUOUS WORKING VOLTAGE BE GREATER THAN THE APPLICABLE MAXIMUM VALUE.
CODE Ω VALUE CODE Ω VALUE CODE Ω VALUE CODE
01
178
25
316
49
562
73
02
182
26
324
50
576
74
03
187
27
332
51
590
75
04
191
28
340
52
604
76
05
196
29
348
53
619
77
06
200
30
357
54
634
78
07
205
±1%, ±5% 70℃
-55℃ --- +125℃
2.1 POWER RATING: RESISTORS SHALL HAVE A POWER RATING BASED ON CONTINUOUS LOAD OPERATION AT
AN AMBIENT TEMPERATURE OF 700C. FOR TEMPERATURE IN EXCESS OF 700C, THE LOAD SHALL BE DERATE AS SHOWN IN FIGURE 1.
W
+ 0.05 0.50
- 0.05
+ 0.15 0.80
- 0.10
+0.15 1.25
-0.10
+0.15 1.55
-0.10
+0.15 2.60
-0.10
+0.15 2.50
-0.10
+0.15 3.20
-0.10
H 0.35 ± 0.05 0.45 ± 0.10 0.55±0.10 0.55±0.10 0.55±0.10 0.55±0.10 0.55±0.10
2. RATING: TYPE
POWER RATING
MAX.WORKING VOLTAGE
100VMAX. OVERLOAD VOLTAGE
DIELECTRIC WITHSTANDING VOLTAGE
RESISTANCE RANGE
±1% ±5%
TOLERANCE
RATED AMBIENT TEMP.
TEST PATTERN: ROOM TEMP.,
ROOM TEMP. +100℃
SHORT-TIME OVERLOAD
±1% ±(1%+0.1Ω) MAX. ±5% ±(2%+0.1Ω) MAX
5.5 PERMANENT RESISTANCE CHANGE AFTER THE APPLICATION OF 2.5 TIMES RCWV FOR 5 SECONDS.
31
365
55
649
79
08
210
32
374
56
665
80
09
215
33
383
57
681
81
10
221
34
392
58
698
82
11
226
35
402
59
715
83
12
232
36
412
60
732
84
13
237
37
422
61
750
85
14
243
38
432
62
768
86
15
249
39
442
63
787
87
16
-2-
THICK FILM CHIP RESISTORS
5. MARKING: (1) FOR 0402 SIZE. DUE TO THE VERY SMALL SIZE OF THE RESISTOR’S BODY, THERE IS
NO MARKING ON THE BODY.
(2) ±5% TOLERANCE: THE FIRST TWO DIGITS ARE SIGNIFICANT FIGUTRES OF RESISTANCE AND THE THIRD DENOTES NUMBER OF ZEROS FOLLOWING
6. 1.4 TWIST OF TEST BOARD: Y/X = 3/90 mm FOR 60 SECONDS
SOLDERING HEAT
RESISTANCE CHANGE RATE IS: ±(1%+0.05Ω) MAX
6.4 DIP THE RESISTOR INTO A SOLDER BATH HAVING A
MULTIPLIER CODE:
CODE
ABCDE FGHXY Z
MULTIPLIER 100 101 102 103 104 105 106 107 10-1 10-2 10-3
CODING FORMULA
FIRST TWO DIGITS------------RESISTANCE CODE
THIRD DIGIT-------------------MULTIPLIER CODE
NO EVIDENCE OF FLASHOVER MECHANICAL DAMAGE, ARCING OR INSULATION BREAK DOWN.
5.7 APPLY 500V DC BETWEEN PROTECTIVE COATING AND TERMINATION FOR 1 MINUTE
TERMINAL BENDING ±(1%+0.05Ω) MAX
±5%
1Ω---10Ω≤±400PPM/°C 11Ω---10MΩ≤±200PPM/°C
5.2 NATURAL RESISTANCE
CHANGE PER TEMP. DEGREE
CENTIGRADE
R2-R1
× 106 (PPM/℃)
R1(T2-T1) R1: RESISTISTANCE VALUE AT ROOM TEMP. +100℃ (T2)
255
40
453
64
806
88
17
261
41
464
65
825
89
18
267
42
475
66
845
90
19
274
43
487
67
866
91
20
280
44
499
68
887
92
21
287
45
511
69
909
93
22
294
46
523
70
931
94
23
301
47
536
71
953
95
24
309
48
549
72
976
96
吳術愛
Prepared
吳梅
PART NO.: CHIP RESISTORS
FILE NO.:CY-12
1. INSTRUCTION: THIS SHEET IS THE STATEMENT OF THE THICK FILM CHIP RESISTORS SPECIFICATION
THAT ROYALOHM’S PRODUCTIONS CAN MEET.
-4-
THICK FILM CHIP RESISTORS 6. CHARACTERISTICS:
CHARACTERISTIC
LIMITS
TEST METHOD (JIS-C-5202)
TEMPERATURE COEFFICIENT
±1%
10Ω---100Ω≤±200PPM/°C 101Ω---1MΩ≤±100PPM/°C
INSULATION RESISTANCE
1,000 MΩ OR MORE
5.6 APPLY 500V DC BETWEEN PROTECTIVE COATING AND TERMINATION FOR 1 MINUTE, THEN MEASURE.
DIELECTRIC WITHSTANDING
VOLTAGE
EXAMPLE:
2700 → 2.7KΩ
10.5Ω
(5) STANDARD E-96 SERIES VALUES (±1% TOLERANCE) OF 0603 SIZE. DUE TH THE SMALL SIZE OF THE RESISTOR’S BODY, 3 DIGITS MARKING WILL BE USED TO INDICATE THE ACCUATE RESISTANCE VAUE BY USING THE FOLLOWING MULTIPLIER & RESISTANCE CODE.
DIMENSION: mm
l1
l2
0.20 ± 0.10 0.25 ± 0.10
0.30 ± 0.20 0.30 ± 0.20