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STS21 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers

Part # STS21
Description  Temperature Sensor IC
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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STS21 Datasheet(HTML) 9 Page - List of Unclassifed Manufacturers

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Datasheet STS21
www.sensirion.com
Version 2 – December 2011
9/12
Environment Standard
Results11
HTOL
125°C, 408 hours
Within
specifications
TC
-50°C - 125°C, 1000 cycles
Within
specifications
UHST
130°C / 85%RH / ≈2.3bar, 96h Within
specifications
THB
85°C / 85%RH, 1000h
Within
specifications
ESD immunity HBM 4kV, MM 200V, CDM
750V/500V (corner/other pins)
Qualified
Latch-up
force current of ±100mA with
Tamb = 125°C
Qualified
Table 9 Performed qualification test series. HTOL = High
Temperature Operating Lifetime, TC = Temperature Cycles,
UHST = Unbiased Highly accelerated Stress Test, THB =
Temperature Humidity Biased. For details on ESD see Sect. 4.1.
Sensor performance under other test conditions cannot be
guaranteed and is not part of the sensor specifications.
Especially, no guarantee can be given for sensor
performance in the field or for customer‟s specific
application.
If sensors are qualified for reliability and behavior in
extreme conditions, please make sure that they
experience same conditions as the reference sensor. It
should be taken into account that response times in
assemblies may be longer, hence enough dwell time for
the measurement shall be granted. For detailed
information please consult Application Note “Testing
Guide”.
8 Packaging
8.1 Packaging Type
STS21 sensors are provided in DFN packaging (in
analogy with QFN packaging). DFN stands for Dual Flat
No leads.
The sensor chip is mounted to a lead frame made of Cu
and plated with Ni/Pd/Au. Chip and lead frame are over
molded by green epoxy-based mold compound. Please
note that side walls of sensors are diced and hence lead
frame at diced edge is not covered with respective
protective coating. The total weight of the sensor is 25mg.
8.2
Sockets
For testing of STS21 sensors sockets, such as from
Plastronics,
part
number
10LQ50S13030
are
recommended (see e.g. www.locknest.com).
11 According to accuracy and long term drift specification given on Page 2.
8.3
Traceability Information
All STS21 are laser marked with an alphanumeric, five-
digit code on the sensor – see Figure 16.
The marking on the sensor consists of two lines with five
digits each. The first line denotes the sensor type (STS21).
The first digit of the second line defines the output mode
(D = digital, Sensibus and I2C, P = PWM, S = SDM). The
second digit defines the manufacturing year (0 = 2010, 1 =
2011, etc.). The last three digits represent an
alphanumeric tracking code. That code can be decoded by
Sensirion only and allows for tracking on batch level
through production, calibration and testing – and will be
provided upon justified request.
Figure 16 Laser marking on STS21. For details see text.
Reels are also labeled, as displayed in Figure 17 and
Figure 18, and give additional traceability information.
Figure 17 First label on reel: O = Output mode (D = Digital), XX
= Sensor Type (21 for STS21), NN = product revision no., Y =
last digit of year, RRR = number of sensors on reel divided by
10 (200 for 2000 units), TTTTT = Traceability Code.
Figure 18 Second label on reel: For Device Type and Part
Order Number (See Packaging Information on page 2), Delivery
Date (also Date Code) is date of packaging of sensors (DD =
day, MM = month, YYYY = year), CCCC = Sensirion order
number.
STS21
D0AC4
Device Type:
1-100PPP-NN
Description:
Temperature Sensor STSxx
Part Order No.
1-100PPP-NN or Customer Number
Date of Delivery: DD.MM.YYYY
Order Code:
46CCCC / 0
Lot No.:
OXX-NN-YRRRTTTTT
Quantity:
RRRR
RoHS:
Compliant
Lot No.


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