151ERA011011
Date of Issue :
February 15.2011
Issue No.
:
Digi-Key
Classification :
New
Changed
PRODUCT SPECIFICATION FOR APPROVAL
Product Description
Product Part Number
:
:
Metal Film (Thin Film)Chip Resistors (RoHS Compliance)
ERA3Y##***V
ERA3E##****V
JAPAN
Country of Origin
Applications
:
:
Standard electronic equipment
*If you approve this specification, please fill in and sign the below and return 1 copy to us.
Approval No
Approval Date
Executed by
:
:
:
(signature)
Title
Dept.
:
:
Circuit Components Business Unit
Panasonic Electronic Devices Co., Ltd.
401 Sadamasa-cho,
Fukui City 910-8502 Japan
Phone : +81-776-56-8034
Prepared by
Contact Person
Signature
Name(Print)
Title
Authorized by
Signature
Name(Print)
Title :
:
:
Engineering Section
H.Yabukoshi
:
:
T.Iseki
Manager of Engineering
Subject
Metal Film(Thin Film) Chip Resistors PRODUCT SPECIFICATION FOR INFORMATION
Spec. No.
151-SRA-E102R
10－1
Part No.
ERA3
L
a
a
(1)
(2)
W
(3)
(4)
(5)
Substrate
Protective
coating
Resistive
element
Inner
termination
Between
termination
Outer
termination
Alumina
Epoxy resin
NiCr alloy
1. Dimension
special termination
Ni plating
Sn plating
(1)
(2)
(3)
(4)
(5)
(6)
(6)
t
b
b
mm
inch
L
1.60±0.15
0.63±.006
W
0.80±0.20
.031±.008
a
0.30±0.20
.012±.008
b
0.30±0.20
.012±.008
t
0.45±0.10
.018±.004
2. Power deratimg Curve
120
Rated Load(%)
100
60
40
20
0
-55
-40
0
40
Category temperature range
70
-55~+125°C
125
80
120
140
160
Flg.1 Ambient Temperature (°C)
3. Ratings
Item
Rated power
Rated value
0.10 W
(at 70 °C or lower)
Explanation
When used at ambient temperture over
70°C, the load power should be reduced
as shown in Flg.1
Panasonic Electronic Devices Co., Ltd.
Subject
Metal Film(Thin Film) Chip Resistors PRODUCT SPECIFICATION FOR INFORMATION
Spec. No.
151-SRA-E102R
10－2
Part No.
ERA3
Rated voltage
&
Limiting element
voltage
The rated voltage of each resistance should be calculated from the
equation below, and when the rated voltage exceeds the
½
imiting
element voltage, the
½
imiting element voltage should be the rated
voltage.
Limiting element voltage ;75V
E
=
P
×
R
E
: Rated voltage (V)
P
: Rated power (W)
R
: Rated resistance value (Ω)
Code.
D
B
Tolerance
D
B
Tolerance for resis.
±
0.5%
±
0.1%
Resistance range Series E-96 series :special
E-24 When E-96 series overlap
10
Ω
~330k
Ω
E-24 series, E-24 series
E-24
100Ω ~33k
Ω
Should be the first priority
Tolerance for
resistance
Resistance range
4. Explanation of Part Number
E
R
A
3
Y
E
D
1
0
(6)
2
V
(7)
(1)
(2)
(3)
(4)
(5)
(1) Product Code : Metal Film Chip Resistors
(2) Size and Rated Power : 1.6 mm x 0.8 mm, 0.10W
(3) Series and marking
Code
Series
Marking
Y
E-24 series
3 digit marking
E
E-96 series
No marking
(4) T.C.R.
Code
T.C.R.
Resistance range
-6
± 50x10 /°C
Η
10Ω
~ 97.6Ω
-6
± 25x10 /°C
Ε
100Ω
~ 33 kΩ
-6
±100x10 /°C
Κ
33.2kΩ ~ 330kΩ
(5)Resistance Tolerance
Code
Resistance Tolerance
D
+/- 0.5%
B
+/- 0.1%
(6) Resistance Value
<E-24 series> 3-digits type 123
→12×10
3
→12kΩ
<E-96 series> 4-digits type 3012
→
301×10
2
→
30.1kΩ
(7) Packaging Configuration
Code
Packaging Configuration
V
Taping (5000pcs/reel)
Panasonic Electronic Devices Co., Ltd.
Subject
Metal Film(Thin Film) Chip Resistors PRODUCT SPECIFICATION FOR INFORMATION
Spec. No.
151-SRA-E102R
10－3
Part No.
ERA3
5. Appearance & Construction
Item
Rated value
Explanation
1. The resistive element should be covered with protective coating
that don’t fade easily. The surface of coating should avoid
unevenness, flaw, pinhole and discoloration.
Appearance &
2. The electrode should be printed uniformly, as shown in the
Construction
dimensions. The plating should not fade easily, and should avoid
unevenness, flaw, pinhole, projection and discoloration.
3. The electrode should be connected electrically, mechanically to
resistive element.
As far as there shall not designation especially, the following test and measurement
shall be operated under normal temperature (15~35°C), normal humidity(25~75%),
normal atmospheric pressure(
8.6
×
10
4
~
1.06
×
10
5
Pa
).
6. Performance Specification
Specifications
Item
Chip Resistor
DC Resistance value shall
DC
be within the specified
Resistance
tolerance
Resit. range
TCR
10Ω
± 50x10
-6
/°C
~97.6Ω
100Ω
±25x10
-6
/°C
~33 kΩ
33.2kΩ
±100x10
-6
/°C
~330kΩ
Explanation
At 20°C, 65%RH
Natural resistance change per
Temperature degree centigrade.
R 2
−
R1
×
10
6
(10
-6
/℃)
R 1(t 2
−
t 1)
R1 : Resistance value at reference
temperature(t1)
R2
: Resistance value at test
temperature(t2)
t2 – t1 = 100°C t1 = 25°C
Resistors shall be applied 2.5 times the
rated voltage for 5 seconds.
However, the upper limit of the voltage in the
test shall be 150V.
AC
powersupply
or
Insulation
resistance
Temperature
Coefficient
Short-time
overload
± (0.5 % + 0.1Ω)
AC 100V between substrate and termination for
No evidence of flashover,
1 min.
Dielectric
Withstanding
mechanical damage,
arcing or insulation break-
down
Insulation
Resistance
Min.1,000MΩ
Resistors shall be facing down. After applying DC
100V to the resistor, insulation resistance shall be
measured.
Panasonic Electronic Devices Co., Ltd.
Subject
Metal Film(Thin Film) Chip Resistors PRODUCT SPECIFICATION FOR INFORMATION
Spec. No.
151-SRA-E102R
10－4
Part No.
ERA3
7. Mechanical characteristic
Specifications
Item
Chip Resistor
Explanation
Substrate :
Glass epoxy(t=1.6mm)
Span
: 90mm
Bending distance :3mm (10 seconds)
1.0 1.0 1.0
1
(unit: mm)
Without distinct deforma-
tion in appearance
Bond strength
of the face
plating
± (0.5 % + 0.05Ω)
100
Termination should be
covered uniformly with
solder
(min. 95% coverage)
± (0.5 % + 0.05Ω)
Resistors shall be dipped in the melted sol-
der bath at
235
±
5
°C for
2
±
0.5
sec.
Flux shall be removed from the surface
of termination with clean organic solvent.
Resistors shall be dipped in the melted
solder bath at
270
±
3
°C for
10
±
1
°C sec.
olvent solution : Isopropyl alcohol
Solderability
Resistance to
Soldering Heat
Resistance to
Solvent
Without distinct
deformation in appearance (1)Dipping 10 +/- 1 hours, dry in room
condition for 30 +/- 10 minutes.
± (0.5 % + 0.05Ω)
(2)Ultrasonic wave washing : 5 +/- 1 min.
(0.3W/cm
2
,28kHz)
Dry in room condition for 30 +/-10
minutes.
Panasonic Electronic Devices Co., Ltd.
40
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