DATA SHEE
T
GENERAL PURPOSE CHIP
RESISTORS
RC1218
5%, 1%
RoHS complian
t
Product specification – Jul 15, 2008 V.2 Supersedes Date of Mar. 06, 2003
Chip Resistor Surface Mount
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Product specification
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8
SERIES
RC
1218 (RoHS Compliant)
Y
YA
AG
GE
EO
O
B
BR
RA
AN
ND
D
o
or
rd
de
er
ri
in
ng
g
c
co
od
de
e
GLOBAL PART NUMBER (PREFERRED)
RC1218 X K - XX XXXX L
(1) (2) (3) (4) (5) (6)
(1) TOLERANCE
F = ±1%
J = ±5% (for Jumper ordering, use code of J)
(2) PACKAGING TYPE
K = Embossed taping reel
(3) TEMPERATURE COEFFICIENT OF RESISTANCE
– = Base on spec
(4) TAPING REEL
07 = 7 inch dia. Reel
(5) RESISTANCE VALUE
There are 2~4 digits indicated the resistor value. Letter R/K/M is decimal point, no need
to mention the last zero after R/K/M, e.g.1K2, not 1K20.
Detailed resistance rules show in table of “Resistance rule of global part number”.
(6) OPTIONAL CODE
L = optional symbol (Note)
ORDERING INFORMATION
-
GLOBAL PART NUMBER & 12NC
Both part numbers are identified by the series, size, tolerance, packing
type, temperature coefficient, taping reel and resistance value.
SCOPE
This specification describes
RC1218 series chip resistors
with lead-free terminations made
by thick film process.
APPLICATIONS
All general purpose application
FEATURES
RoHS compliant
- Products with lead free
terminations meet RoHS
requirements
- Pb-glass contained in electrodes
- Resistor element and glass are
exempted by RoHS
Reducing environmentally
hazardous wastes
High component and equipment
reliability
Saving of PCB space
None forbidden-materials used
in products/production
Halogen Free Epoxy
ORDERING EXAMPLE
The ordering code of a RC1218
chip resistor, value 56 X with
±1% tolerance, supplied in 7-inch
tape reel is: RC1218FK-0756R(L).
NOTE
1. All our RSMD products meet RoHS
compliant. "LFP" of the internal 2D reel
label mentions "Lead Free Process"
2. On customized label, "LFP" or specific
symbol printed and the optional "L" at
the end of GLOBAL PART NUMBER /
12NC can be added (both are on
customer request)
Resistance rule of
global part
number
Resistance code rule
Example
0R 0R = Jumpe
r
XRXX
(1 to 9.76 Ω)
1R = 1 Ω
1R5 = 1.5 Ω
9R76 = 9.76 Ω
XXRX
(10 to 97.6 Ω)
10R = 10 Ω
97R6 = 97.6 Ω
XXXR
(100 to 976 Ω) 100R = 100 Ω
XKXX
(1 to 9.76 KΩ)
1K = 1,000 Ω
9K76 = 9760 Ω
XMXX
(1 to 9.76 MΩ)
1M = 1,000,000 Ω
9M76= 9,760,000 Ω
Chip Resistor Surface Mount
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Product specification
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8
SERIES
RC
1218 (RoHS Compliant)
P
PH
HY
YC
CO
OM
MP
P
B
BR
RA
AN
ND
D
o
or
rd
de
er
ri
in
ng
g
c
co
od
de
es
s
Both GLOBAL PART NUMBER (preferred) and 12NC (traditional) codes are acceptable to order Phycomp
brand products.
GLOBAL PART NUMBER (PREFERRED)
For detailed information of GLOBAL PART NUMBER and ordering example, please refer to page 2.
Resistance decade (3) Last digit
0.01 to 0.0976 X 0
0.1 to 0.976 X 7
1 to 9.76 X 8
10 to 97.6 X 9
100 to 976 X 1
1 to 9.76 KX 2
10 to 97.6 KX 3
100 to 976 KX 4
1 to 9.76 MX 5
10 to 97.6 MX 6
Example: 0.02
X = 0200 or 200
0.3 X = 3007 or 307
1
X = 1008 or 108
33 KX = 3303 or 333
10 MX = 1006 or 106
Last digit of 12NC
(1) The resistors have a 12-digit ordering code starting with 2322.
(2) The subsequent 4 or 5 digits indicate the resistor tolerance and
packaging.
(3) The remaining 4 or 3 digits represent the resistance value with the
last digit indicating the multiplier as shown in the table of
“Last digit of 12NC”.
(4) "L" is optional symbol (Note).
ORDERING EXAMPLE
The ordering code of a PRC201 resistor, value 56 X with ±1% tolerance,
supplied in tape of 4,000 units per reel is: 232273575609(L) or
RC1218FK-0756R(L).
NOTE
1. All our RSMD products are RoHS compliant. "LFP" of the internal 2D reel label mentions "Lead Free Process"
2. On customized label, "LFP" or specific symbol printed and the optional "L" at the end of GLOBAL PART
NUMBER / 12NC can be added (both are on customer request)
12NC CODE
2322 XXX XXXXX L
(1) (2) (3) (4)
EMBOSSED TAPE ON REEL (units) (2)
TYPE/
1218
START
IN (1)
TOL.
(%)
RESISTANCE
RANGE
4,000
PRC201
2322 ±5% 1 to 1 MΩ 735 64xxx
PRC201
2322 ±1% 1 to 1 MΩ 735 7xxxx
Jumper
2322 - 0 Ω 735 90007
Chip Resistor Surface Mount
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Product specification
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8
SERIES
RC
1218 (RoHS Compliant)
CONSTRUCTION
The resistor is constructed on top
of a high-grade ceramic body.
Internal metal electrodes are added
on each end to make the contacts to
the thick film resistive element. The
composition of the resistive element
is a noble metal imbedded into a
glass and covered by a second glass
to prevent environment influences.
The resistor is laser trimmed to the
rated resistance value. The resistor
is covered with a protective epoxy
coat, finally the two external
terminations (matte tin on Ni-
barrier) are added. See fig.3
DIMENSIONS
TYPE RC1218
L (mm) 3.10 ± 0.10
W (mm) 4.60 ± 0.10
H (mm) 0.55 ± 0.10
I1 (mm) 0.45 ± 0.20
I2 (mm) 0.40 ± 0.20
Table 1
overcoat
Primary glass layer
resistive layer
(Jumper chip is a conductor)
inner electrode
termination(Ni/matte tin)
ceramic substrate
H
I2
YNSC066
overcoat
W
L
I
1
marking layer
O
OU
UT
TL
LI
IN
NE
ES
S
For dimension see Table
1
Fig. 3
Chip resistor outlines
MARKING
RC1218
E-24 series: 3 digits
First two digits for significant figure and 3rd digit for number of zeros
Both E-24 and E-96 series: 4 digits
First three digits for significant figure and 4th digit for number of zeros
For further marking information, please see special data sheet “Chip resistors marking”.
Fig. 2 Value=10 KΩ
Fig. 1 Value=100 Ω
YNSC023
101
YNSC024
1000
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Product specification
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8
SERIES
RC
1218 (RoHS Compliant)
ELECTRICAL CHARACTERISTICS
CHARACTERISTICS RC1218 1 W
Operating Temperature Range –55 °C to +155 °C
Maximum Working Voltage 200 V
Maximum Overload Voltage 500 V
Dielectric Withstanding Voltage 500 V
5% (E24) 1 Ω to 1 MΩ
1% (E24/E96) 1 Ω to 1 MΩ
Resistance Range
Zero Ohm Jumper < 0.02 Ω
1 Ω ≤ R ≤ 10 Ω±200 ppm/°C
Temperature Coefficient 10 Ω < R ≤ 1 MΩ±100 ppm/°C
Rated Current 6 A
Jumper Criteria Maximum Current 10 A
FOOTPRINT AND SOLDERING
PROFILES
For recommended footprint and
soldering profiles, please see the
special data sheet “Chip resistors
mounting”.
Table 2
PACKING STYLE AND P
A
CKAGING QUANTITY
PRODUCT TYPE PACKING STYLE REEL DIMENSION QUANTITY PER REEL
RC1218 Embossed taping reel (K) 7" (178 mm) 4,000 units
NOTE
1. For embossed tape and reel specification/dimensions, please see the special data sheet “Packing” document.
Table 3 Packing style and packaging quantity
MLB206_2
70 10055 50
T
amb( C)
o
(%P )
rated
0
0
50
100
155
P
handbook, halfpage
FUNCTIONAL DESCRIPTION
P
PO
OW
WE
ER
R
R
RA
AT
TI
IN
NG
G
RC1218 rated power at 70°C is 1 W
RATED VOLTAGE
The DC or AC (rms) continuous working voltage
corresponding to the rated power is determined by
the following formula:
V=√(P X R)
or max. working voltage whichever is less
Where
V=Continuous rated DC or
AC (rms) working voltage (V)
P=Rated power (W)
R=Resistance value (X)
Fig. 4
Maximum dissipation (P) in percentage of rated power as a
function of the operating ambient temperature (Tamb)
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Product specification
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8
SERIES
RC
1218 (RoHS Compliant)
TESTS AND REQUIREMENTS
TEST TEST METHOD PROCEDURE REQUIREMENTS
Life/
Operational Life/
Endurance
MIL-STD-202G-method 108A
IEC 60115-1 4.25.1
JIS C 5202-7.10
1,000 hours at 70±5 °C applied RCWV
1.5 hours on, 0.5 hour off, still air required
±(2%+0.05 Ω)
<100 mΩ for Jumper
High
Temperature
Exposure/
Endurance at
upper category
temperature
MIL-STD-202G-method 108A
IEC 60115-1 4.25.3
JIS C 5202-7.11
1,000 hours at maximum operating temperature
depending on specification, unpowered
No direct impingement of forced air to the parts
Tolerances: 125±3 °C
±(1%+0.05 Ω)
<50 mΩ for Jumper
Moisture
Resistance
MIL-STD-202G-method 106F
IEC 60115-1 4.24.2
Each temperature / humidity cycle is defined at 8
hours (method 106F), 3 cycles / 24 hours for 10d
with 25 °C / 65 °C 95% R.H, without steps 7a &
7b, unpowered
Parts mounted on test-boards, without
condensation on parts
Measurement at 24±2 hours after
test conclusion
±(2%+0.05 Ω)
<100 mΩ for Jumper
Thermal Shock MIL-STD-202G-method 107G -55/+125 °C
Note: Number of cycles required is 300. Devices
unmounted
Maximum transfer time is 20 seconds. Dwell time
is 15 minutes. Air – Air
±(0.5%+0.05 Ω) for 10 KΩ to
10 MΩ
±(1%+0.05 Ω) for others
<50 mΩ for Jumper
Short time
overload
MIL-R-55342D-para 4.7.5
IEC60115-1 4.13
2.5 times RCWV or maximum overload voltage
whichever is less for 5 sec at room temperature
±(2%+0.05 Ω)
<50 mΩ for Jumper
No visible damage
Board Flex/
Bending
IEC60115-1 4.33
Device mounted on PCB test board as described,
only 1 board bending required
3 mm bending
Bending time: 60±5 seconds
Ohmic value checked during bending
±(1%+0.05 Ω)
<50 mΩ for Jumper
No visible damage
Table 4 Test condition, procedure and requirements
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Product specification
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SERIES
RC
1218 (RoHS Compliant)
TEST TEST METHOD PROCEDURE REQUIREMENTS
Solderability
- Wetting
IPC/JEDECJ-STD-002B test B
IEC 60068-2-58
Electrical Test not required
Magnification 50X
SMD conditions:
1st step: method B, aging 4 hours at 155 °C
dry heat
2nd step: leadfree solder bath at 245±3 °C
Dipping time: 3±0.5 seconds
Well tinned (≥95% covered)
No visible damage
- Leaching IPC/JEDECJ-STD-002B test D
IEC 60068-2-58
Leadfree solder, 260 °C, 30 seconds
immersion time
No visible damage
- Resistance to
Soldering Heat
MIL-STD-202G-method 210F
IEC 60068-2-58
Condition B, no pre-heat of samples
Leadfree solder, 270 °C, 10 seconds
immersion time
Procedure 2 for SMD: devices fluxed and
cleaned with isopropanol
±(1%+0.05 Ω)
<50 mΩ for Jumper
No visible damage
Chip Resistor Surface Mount
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Product specification
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8
SERIES
RC
1218 (RoHS Compliant)
REVISION HISTORY
“ Yageo reserves all the rights for revising the content of this datasheet without further notification, as long as the products itself are unchanged. Any
product change will be announced by PCN.”
REVISION DATE CHANGE NOTIFICATION DESCRIPTION
Version 2 Jul 15, 2008 - - Change to dual brand datasheet that describe RC1218 with RoHS compliant
- Description of "Halogen Free Epoxy" added
- Define global part number
Version 1 Oct 13, 2004 - - New datasheet for 1218 thick film 1% and 5% with lead-free terminations
- Replace the 1218 part of pdf files: PRC201_51_17
- Test method and procedure updated
- Taping reel changed from 11" to 7" and quantity per reel from 5K to 4K
as well
