3521150KFT Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – Type 3521 Series

SMD Power Resistors
Type 3521 Series
Key Features
n 2 Watts at 70°C
n Small Size to Power Ratio
n Supplied on Tape
n Available via Distribution
n Value Marked on Resistor
n 500 Volt Maximum Overload
n 250 Volt Working Voltage
n Low Profile
n Terminal Finish -
Matte Sn over Ni
n MSL Level 2
TE Connectivity is pleased to introduce this low cost high power device, suitable for auto
placement  in  volume,  and  for  most  applications,  including  high  frequency  operations,
owing  to  the  short  lead  structure.  It  is  attractively  priced  and  available  on  7"  reels  of
4000 pieces.
Characteristics - Electrical
Power Rating:
Max. RCWV*:
Max. Overload Voltage:
Resistance Tolerance(%):
Resistance Range:
2 Watts at 70°C**
250V
500V
± 1%
1R0 - 1M0
Temperature Coefficient:
Operating Temperature:
<10R = ± 200PPM
10R – 1M0 = ± 100PPM
>1M0 = ± 200PPM
-55°C – 155°C
* Rated continuous working voltage (RCWV) shall be determined from
RCWV = Rated Power x Resistance Value, or Maximum RCWV listed above, whichever is less
** Recommended Circuit Board Design - If this device is anticipated to run at full continuous power then action
to improve the cooling should be taken. This can be a metal substrate, copper pad left under the chip, an
opening in the PCB or enlarged silver conductor pads each end.
Power Derating Curve
100
80
60
40
20
0
0
20 40 60 70 80 100 120 140 155
Ambient Temperature (°C)
For resistors operated in ambient temperatures above 70°C,
power rating must be derated in accordance with this curve.
9-1773463-5 CIS WR 03/2012
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
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