SMD POWER RESISTORS AEC-Q200 QUALIFIED
Type 3521 Series
Key Features
2 Watts at
70°C
Small size to
power ratio
Supplied on
tape
Value marked
on resistor
500 volt
maximum
overload
250 volt
maximum
working
voltage
Terminal finish
matte Sn over
Ni
AEC-Q200
Qualified
TE Connectivity is pleased to announce that our 3521 series high power Thick Film
Chip Resistor is now AEC-Q200 Qualified. This low cost device, suitable for auto
placement in volume, and for most applications, including high frequency
operations, owing to the short lead structure, is attractively priced and available on
7" reels of 4000 pieces.
Characteristics – Electrical
Power Rating
Resistance Range
Tolerance
Max. Working Voltage
Max. Overload Voltage
Dielectric Withstanding Voltage
Temperature Range
Ambient Temperature
2W
0.1Ω ~ 10MΩ
±1% ±5%
250V
500V
500V
-55°C ~ +155°C
70°C
Resistors shall have a power rating based on continuous load operation at an
ambient temperature of 70 ℃ . For temperature in excess of 70 ℃ , The load shall be
derated as shown below:
9-1773463-5 Rev G 02/2020
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
SMD POWER RESISTORS AEC-Q200 QUALIFIED
Voltage Rating:
Resistors shall have a rated direct-current (DC) continuous working voltage or
an approximate sine-wave root-mean-square (RMS) alternating-current (AC)
continuous working voltage at commercial line frequency and waveform
corresponding to the power rating , as determined from the following formula:
RCWV
=
√P x 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.
Construction & Dimensions:
Dimensions: (mm)
L
W
6.35±0.10
3.20±0.20
9-1773463-5 Rev G 02/2020
Dimensions in
millimetres unless
otherwise specified
H
0.55±0.10
Dimensions Shown for
reference purposes only.
Specifications subject to
change
ℓ
0.60±0.25
ℓ
0.50±0.20
For Email, phone or live chat,
go to: www.te.com/help
SMD POWER RESISTORS AEC-Q200 QUALIFIED
Recommended solder pad
A
Width
(mm)
3.0
B
Pad (mm)
1.5
C
Spacing
(mm
5.0
4 layers PCB specification:
1) Outside 2 layers (Top and Bottom) with copper foil thickness at 2oz.
2) Inside 2 layers (Middle layers) with copper foil thickness at 4 oz.
Marking:
For E24 series Values three digit marking, the first two digits are significant
figures and the third denoting number of zeros.
E.G.
For Oh i Values elo
E.G.
333
KΩ
3R3
. Ω
Ω
For E96 Values four digit marking, the first three showing significant figures
and the fourth showing number of zeros. As previously letter R is for decimal
point.
E.G.
9-1773463-5 Rev G 02/2020
4992
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
49K9Ω
For Email, phone or live chat,
go to: www.te.com/help
SMD POWER RESISTORS AEC-Q200 QUALIFIED
Performance Specification:
Characteristics
Limits
Operational life
± %+ . Ω
<
Test Methods
a
Ω
. Ω
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