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1206 Series Thick Film Chip Resistor
1. Scope
This specification applies to 1.6mm x 3.2mm (1206) size, fixed metal chip resistors rectangular
type for use in electronic equipment.
2. Type Designation
PFR16 X — XXXX — X
(1) (2) (3) (4)
PFR16 X — 00R0 — X
(1) (2) (3) (5)
Where (1) Series No.
(2) Tolerance of TCR :
X = Jumper
Other T.C.R refer to paragraph 3
(3) Nominal resistance value :
For example –-
Four digits of number (E-24 Series)
00R0 = Jumper
10R0 = 10Ω
1004 = 1MΩ
(4) Resistance tolerance :
F = ±1.0%
J = ±5.0%
(5) Resistance tolerance :
X = Jumper（Below 50mΩ）
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DOCUMENT : RM000000N
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3. Electrical Specifications
Power Rating* 1/10 W
Resistance Values E-24 series
Resistance Tolerance ±1.0%(F), ±2.0%(G),
±5.0%(J)
±1.0%(F),
±2.0%(G) ±5.0%(J)
Resistance Range ( Ω ) 10〜1M 3.9〜9.1,
1.1M~5.1M
1~3.6,
5.6M~10M
1~3.6,
5.6M~22M
T.C.R. (Temperature
Coefficient of Resistance)
ppm/℃ (code)
±200(S) ±250(S) ±350(S) ±350(S)
Operating Temperature Range -55℃ to +125℃
Max. Operating Voltage** 150V
Note: *Package Power Temperature Derating Curve
Figure 1. : Power Temperature Derating Cure
Note: **Resistors shall have a rated DC or AC(rms) continuous operating voltage
corresponding to the power rating, as calculated from the following formula
Where V : Rated voltage (V)
P : Rated power (W)
RPV ×=
R : Nominal resistance (Ω)
If the voltage so obtained exceeds the maximum operating voltage, this maximum voltage shall
be the rated voltage.
-55
100
70
0
125
RATED LOAD
(
%
)
AMBIENT TEMPERATURE(℃)
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4. Outline dimensions
5. Marking
5-1 Marking in E-24 Series :
A rated resistance shall be marked on the protect coating with three digits of number.
Example :
3.9kΩ→39 X 102→392
5-2 Marking in E-96 Series :
A rated resistance shall be marked on the protect coating with four digits of number.
Example :
10.2Ω→102 X 10-1→10R2
10.2kΩ→102 X 102→1022
5-3 Marking in Jumper :
Example :
0Ω→R00
Code Letter Dimension
L 3.20 ±0.15
W 1.60 ±0.15
t 0.60 ±0.10
a 0.50 ±0.25
Unit : mm
a a
W
t
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6. Life Tests
6-1 Electrical
Specification and Requirement
Item
Resistor Jumper
Test Method
Short Time Overload △R: ±(2.0%+ 0.1Ω)
Without damage by
flashover, spark,
arcing, burning or
breakdown
Max. 50mΩ (1) Applied voltage:
2.5 times rated voltage or max.
overload voltage whichever is
lower
(2) Test time : 5 seconds
Insulation Resistance Over 100 MΩ on Overcoat layer face up
Over 1,000 MΩ on Substrate side face up
(1) Setup as figure 2
(2) Test voltage: 100 VDC
(3) Test time:
60 + 10 / -0 seconds
Voltage Proof No mechanical damage (1) Setup as figure 2
(2) Test voltage: 100 VAC(rms)
(3) Test time:
60 +10 / -0 seconds
Figure 2 : Measurment Setup
Substrate Side
(R=0.5 mm)
Over coat Film
Measurement Point A
Pressure Rod
Substrate
(Metal)
Measurement Point B
Metal Block
Sample Electrode
Insulation Plate
B
A
Spring
Voltage Supply
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6-2 Mechanical
Specification and Requirement
Item Resistor Jumper Test Method
Solderability The surface of terminal immersed shall be
minimum of 95% covered with a new
coating of solder
Solder bath:
After immersing in flux, dip in
245 ±5℃ molten solder bath
for 3 ±0.5 seconds
Resistance to Solder
Heat
△R: ±(1.0%+ 0.1Ω)
Without distinct
deformation in
appearance
Max. 50mΩ (1) Pre-heat: 100~110℃ for
30 seconds
(2) Immersed at solder bath
of 270 ±5℃ for 10±1 seconds
Measuring resistance 1 hour
after test
Shock △R: ±(0.25%+ 0.05)Ω
Without mechanical damage such as break
(1) Peak value: 490N
(2) Duration of pulse: 11ms
(3) 3 times in each positive and
negative direction of 3 mutual
perpendicular
directions
Bending Test △R: ±(1.0%+ 0.1Ω)
Without mechanical
damage such as break
Max. 50mΩ Bending value: 3 mm for
30 ±1 seconds
Resistance to solvent No remarkable abnormality (1) Solvent:
Isopropyl alcohol
(2) Immersed in solvent at
room temperature for
60 ±10 seconds
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6-3 Endurance
Specification and Requirement
Item Resistor Jumper Test Method
Rapid change of
Temperature
△R: ±(1.0%+ 0.1Ω)
Without distinct
damage in appearance
Max. 50mΩ (1) Repeat 5 cycle as follow:
(-55 ±3℃,30minutes)
→(Room temperature, 2~3
minutes)
→(+125 ±2℃,30minutes)
→(Room temperature, 2~3
minutes)
Measuring resistance 1 hour
after test
Moisture with Load △R: ±(3.0%+ 0.1Ω)
Without distinct
damage in appearance
Marking should be
legible
Max. 100mΩ (4) Environment condition:
60 ±2℃,90~95% RH
(5) Applied Voltage: rated voltage
(6) Test period: (1.5 hour ON)
→(0.5 hour OFF) cycled for
total 1,000 + 48 / - 0 hours
(7) Measuring resistance
1 hour after test
Load Life △R: ±(3.0%+ 0.1Ω)
Without distinct
damage in appearance
Max. 100mΩ (1) Test temperature:
70 ±3℃
(2) Applied Voltage: rated voltage
(3) Test period: (1.5 hour ON)
→(0.5 hour OFF) cycled for
total 1,000 + 48 / - 0 hours
(4) Measuring resistance
1 hour after test
Low Temperature
Store
△R: ±(1.0%+ 0.1Ω)
Without distinct
damage in appearance
Max. 100mΩ (1) Store temperature:
-55 ± 3℃ for total
1,000 + 48 / - 0 hours
(2) Measuring resistance
1 hour after test
High Temperature
Store
△R: ±(1.0%+ 0.1Ω)
Without distinct
damage in appearance
Max. 100mΩ (1) Store temperature:
+125 ± 2℃ for total
1,000 + 48 / - 0 hours
(2) Measuring resistance
1 hour after test
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7. Recommend Land Pattern Dimensions
D
B
C
A 0.9~1.1
B 3.5
C 1.1~1.3
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8. Packaging
8-1 Dimensions
8-1-1 Tape packaging dimensions
8-1-2 Reel dimensions
2.0±0.5
11.4 ± 1.0
9.0 ± 0.3
Unit : mm
60 ± 2.0
178 ± 2.0
21 ± 0.8
13 ± 0.2
P
B = 3.5 ± 0.2
P(PITCH) = 4.0 ± 0.1
1.0 max.
CHIP
A
A = 2.0 ± 0.2
B
1.75 ± 0.1
3.5 ± 0.05
8 ± 0.3
Unit : mm
Carrier cavity Pulling direction
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8-2 Peel force of top cover tape
The peel speed shall be about 300 mm/minute
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The peel force of top cover tape shall be between 0.1 to 0.7 N
8-3 Numbers of taping
5,000 pieces/reel
8-4 Label marking
The following items shall be marked on the production and shipping
Label on the reel.
8-4-1 Production Label
(1) Part No.
(2) Description
(3) Quantity
(4) Taping No.
8-4-2 Shipping Label
(1) *Customer's name
(2) *Customer's part No.
(3) Manufacturer's part No.
(4) Manufacturer's name
(5) Manufacturer's country
*Note : Item (1) and (2) are listed by request
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9. Care note
9-1 Care note for storage
(1) Chip resistor shall be stored in a room where temperature and humidity must be controlled.
(temperature 5 to 35℃, humidity 45 to 85℃ RH) However, a humidity keep it low, as it is
possible.
(2) Chip resistor shall be stored as direct sunshine doesn’t hit on it.
(3) Chip resistor shall be stored with no moisture, dust, a Material that will make solderability
inferior, and a harmful gas (Chloridation hydrogen, sulfurous acid gas, and sulfuration
hydrogen)
9-2 Care note for operating and handling
(1) It is necessary to protect the edge and protection coat of resistors from mechanical stress.
(2) Handle with care when printing circuit board (PCB) is divided or fixed on support body,
because bending of printing circuit board (PCB) mounting will make mechanical stress for
resistors.
(3) Resistors shall be used with in rated range shown in specification. Especially, if voltage
more than specified value will be loaded to resistor, there is a case it will make damage for
machine because of temperature rise depending on generating of heat, and increase
resistance value or breaks.
(4) In case that resistor is loaded a rated voltage, it is necessary to confirms temperature of a
resistor and to reduce a load power according to load reduction curve, because a temperature
rise of a resistor depends on influence of heat from mounting density and neighboring
element.
(5) Observe Limiting element voltage and maximum overload voltage specified in each
specification
(6) If there is possibility that a large voltage (pulse voltage, shock voltage) charge to resistor, it
is necessary that operating condition shall be set up before use.
