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Publication Number: BM43THA90B‐T2 Revision:1.1 Issue Date:Jan.10,2018
Temperature Sensor
BM43THA90B-T2
Bestow Mascot
Content BM43THA90B-T2
CONTENT
1. Description .............................................................................................................................................. 1
1.1 General Description ....................................................................................................................... 1
1.2 Features ......................................................................................................................................... 1
1.3 Applications .................................................................................................................................... 1
1.4 Package ......................................................................................................................................... 1
2 Pin Descriptions ................................................................................................................................... 2
3 Characteristics ..................................................................................................................................... 3
3.1 Thermopile Parameter .................................................................................................................... 3
3.2 NTC Temperature VS Resistance Table ........................................................................................ 4
3.3 Filter Transmission Curve .............................................................................................................. 7
3.4 Sensitivity Output Curve ................................................................................................................. 7
3.5 Typical Reliability Test Items ........................................................................................................... 8
4. Ordering Information ............................................................................................................................... 9
4.1 Part Numbering .............................................................................................................................. 9
4.2 TO Package Type2 Outline Information (in mm) .......................................................................... 10
4.3 Packing Information ...................................................................................................................... 11
5. Notice .................................................................................................................................................... 12
6. Revision History .................................................................................................................................... 16
Description BM43THA90B-T2
1. Description
1.1 General Description
The BM43THA90B-T2 is a CMOS compatible thermopile temperature sensor based on MEMS (micro-
electromechanical systems) technology. This thermopile detector consists of thermopile MEMS chip, 5-
14um infrared band pass filter, a NTC thermistor for temperature compensation and a small size TO
Package.
1.2 Features
Non-contact surface temperature measuring
TO housing with an 5-14um infrared filter
Using NTC thermistor for ambient temperature compensation
High sensitivity
Fast response time
Wide working temperature: -40+120(Temperature range can be extended to +1000by
using specific infrared lens)
1.3 Applications
Non-contact human body temperature infrared thermometer
Microwave oven
Automatic induction equipment
Heating, Ventilation and Air Conditioning(HVAC)
Appliance
1.4 Package
1/16
Pin Description BM43THA90B-T2
2 Pin Descriptions
Table1 Pin Descriptions
Pin Function Description
1 GND Thermistor Ambient temperature compensation resistance- pin and GND.
2 Thermopile- Output DC voltage- pin.
3 Thermistor Ambient temperature compensation resistance+ pin.
4 Thermopile+ Output DC voltage+ pin.
2/16
Specification BM43THA90B-T2
3 Characteristics
3.1 Thermopile Parameter Table 2 Thermopile Parameter
Parameter Specification
Unit Condition Min. Typ. Max.
Chip Size 1.75X1.75 mm2
Active Area 1.15X1.15 mm2
Responsivity 45 V/W Black body=500K,1HZ @temp=25
Detectivity 1.0E08 cm·Hz1/2/W Black body=500K,1HZ @temp=25
Thermopile Res 62 72 82 k @temp=25
Time Constant 20 ms
Field of View(FOV) 94 ° Degree at 50% signal level
Operating Temp -40~120
Storage Temp -40~150
Thermistor for Temperature Compensation
Thermistor
Resistance 100 k +2% tolerance, @temp=25
TC of Thermistor(B) 3950 K ±1% tolerance, Defined at 25/50
3/16
Specification BM43THA90B-T2
3.2 NTC Temperature VS Resistance Table
Table 3 NTC Temperature VS Resistance Table
Temp.() Rmin(kΩ) Rnor(kΩ) Rmax(kΩ) Temp.() Rmin(kΩ) Rnor(kΩ) Rmax(kΩ)
-40 3107.802 3283.909 3468.608 43 45.875 47.164 48.470
-39 2911.777 3074.752 3245.550 44 44.073 45.330 46.604
-38 2729.411 2880.296 3038.307 45 42.351 43.576 44.818
-37 2559.664 2699.415 2845.657 46 40.705 41.899 43.110
-36 2401.585 2531.075 2666.479 47 39.131 40.294 41.475
-35 2254.298 2374.328 2499.748 48 37.625 38.758 39.910
-34 2116.998 2228.302 2344.520 49 36.184 37.289 38.412
-33 1988.946 2092.198 2199.931 50 34.806 35.882 36.977
-32 1869.461 1965.280 2065.185 51 33.493 34.542 35.609
-31 1757.917 1846.871 1939.551 52 32.236 33.258 34.299
-30 1653.738 1736.349 1822.357 53 31.033 32.029 33.044
-29 1556.392 1633.138 1712.984 54 29.881 30.852 31.841
-28 1465.389 1536.713 1610.864 55 28.778 29.724 30.688
-27 1380.277 1446.584 1515.470 56 27.721 28.642 29.583
-26 1300.640 1362.303 1426.319 57 26.708 27.606 28.523
-25 1226.092 1283.455 1342.965 58 25.737 26.612 27.506
-24 1156.278 1209.658 1264.997 59 24.806 25.659 26.531
-23 1090.868 1140.558 1192.034 60 23.914 24.745 25.595
-22 1029.559 1075.827 1123.725 61 23.058 23.868 24.697
-21 972.069 1015.165 1059.746 62 22.237 23.027 23.835
-20 918.138 958.290 999.798 63 21.449 22.219 23.007
-19 867.520 904.940 943.596 64 20.694 21.444 22.212
-18 819.997 854.880 890.890 65 19.968 20.699 21.448
-17 775.361 807.889 841.444 66 19.271 19.984 20.714
-16 733.421 763.760 795.036 67 18.602 19.297 20.009
-15 693.999 722.304 751.462 68 17.960 18.637 19.332
-14 656.928 683.342 710.533 69 17.343 18.003 18.680
-13 622.055 646.710 672.074 70 16.750 17.393 18.054
-12 589.237 612.257 635.921 71 16.180 16.807 17.452
-11 558.342 579.839 601.922 72 15.632 16.244 16.873
-10 529.245 549.325 569.938 73 15.106 15.702 16.315
4/16
Specification BM43THA90B-T2
Temp.() Rmin(kΩ) Rnor(kΩ) Rmax(kΩ) Temp.() Rmin(kΩ) Rnor(kΩ) Rmax(kΩ)
-9 501.833 520.593 539.838 74 14.599 15.181 15.779
-8 475.998 493.529 511.500 75 14.112 14.679 15.263
-7 451.641 468.026 484.811 76 13.644 14.197 14.766
-6 428.668 443.986 459.666 77 13.193 13.733 14.288
-5 406.994 421.316 435.968 78 12.760 13.286 13.828
-4 386.538 399.932 413.625 79 12.342 12.855 13.384
-3 367.225 379.753 392.552 80 11.940 12.441 12.957
-2 348.985 360.705 372.670 81 11.554 12.042 12.546
-1 331.752 342.718 353.905 82 11.183 11.659 12.150
0 315.466 325.728 336.189 83 10.824 11.289 11.769
1 300.003 309.605 319.386 84 10.480 10.933 11.401
2 285.389 294.374 303.521 85 10.147 10.589 11.046
3 271.570 279.980 288.535 86 9.827 10.258 10.705
4 258.501 266.374 274.376 87 9.518 9.939 10.375
5 246.136 253.506 260.993 88 9.221 9.632 10.057
6 234.433 241.334 248.339 89 8.934 9.335 9.750
7 223.354 229.816 236.371 90 8.657 9.049 9.454
8 212.860 218.913 225.048 91 8.390 8.772 9.168
9 202.920 208.589 214.331 92 8.133 8.506 8.892
10 193.499 198.810 204.184 93 7.884 8.249 8.626
11 184.569 189.544 194.575 94 7.645 8.000 8.369
12 176.100 180.761 185.471 95 7.414 7.761 8.121
13 168.068 172.435 176.844 96 7.190 7.529 7.881
14 160.446 164.538 168.666 97 6.975 7.3058 7.649
15 153.212 157.046 160.912 98 6.767 7.0900 7.426
16 146.344 149.937 153.556 99 6.566 6.8814 7.209
17 139.821 143.188 146.577 100 6.372 6.6800 7.000
18 133.625 136.780 139.953 101 6.184 6.4853 6.798
19 127.737 130.693 133.664 102 6.003 6.2972 6.603
20 122.140 124.910 127.692 103 5.828 6.1153 6.414
21 116.819 119.414 122.019 104 5.659 5.9395 6.232
22 111.758 114.190 116.628 105 5.495 5.7695 6.055
23 106.943 109.222 111.504 106 5.337 5.6051 5.884
24 102.361 104.496 106.633 107 5.184 5.4461 5.719
5/16
Specification BM43THA90B-T2
Temp.() Rmin(kΩ) Rnor(kΩ) Rmax(kΩ) Temp.() Rmin(kΩ) Rnor(kΩ) Rmax(kΩ)
25 98.000 100.000 102.000 108 5.036 5.2924 5.559
26 93.766 95.721 97.678 109 4.893 5.1436 5.404
27 89.736 91.648 93.562 110 4.755 4.9996 5.255
28 85.902 87.769 89.641 111 4.621 4.8603 5.110
29 82.250 84.075 85.905 112 4.492 4.7254 4.969
30 78.773 80.555 82.344 113 4.366 4.5949 4.833
31 75.461 77.201 78.949 114 4.245 4.4685 4.702
32 72.306 74.004 75.711 115 4.128 4.3462 4.574
33 69.298 70.955 72.623 116 4.014 4.2277 4.451
34 66.431 68.048 69.677 117 3.904 4.1129 4.331
35 63.697 65.275 66.865 118 3.797 4.0017 4.215
36 61.089 62.629 64.181 119 3.694 3.8940 4.103
37 58.602 60.103 61.618 120 3.594 3.7897 3.994
38 56.228 57.692 59.170 121 3.497 3.6885 3.889
39 53.962 55.390 56.832 122 3.404 3.5905 3.786
40 51.799 53.191 54.598 123 3.313 3.4955 3.687
41 49.733 51.090 52.463 124 3.224 3.4034 3.591
42 47.760 49.083 50.422 125 3.139 3.3141 3.498
Note: B=3950K,R(25)=100KΩ.
6/16
Specification BM43THA90B-T2
3.3 Filter Transmission Curve
Figure 1 Filter Transmission Curve
3.4 Sensitivity Output Curve
-20 0 20 40 60 80 100 120 140 160 180 200-2
0
2
4
6
8
10
12
14
16
18
20
22
Out
put
Vol
tage
(m
V)
Object Temperature(oC)@Tamb.
=25oC
7/16
Specification BM43THA90B-T2
3.5 Typical Reliability Test Items
No. Tested Item Condition Result (N/F1)
1 High Humidity Test +85±2, 85±2%RH 120h 20/0
2 Low Temperature -40±3 200h 20/0
3 High Temperature +105±3 200h 20/0
4 Thermal Shock (-40→+85)×20Cycle 2h 20/0
5 Vibration
Frequency sweep: 10~55Hz/min 2h
Direction : X, Y, X
(1.5mm distance for each direction)
20/0
Note1: N for amount of sample, F for amount of failure after test
8/16
Ordering Information BM43THA90B-T2
4. Ordering Information
4.1 Part Numbering
BM 43 T H A 90 B -T2 -A -G
Package HSF Packing Order Code
T2(TO-46) REACH Tube BM43THA90B-T2-A-G
Packing
Version
FOV value
A-Analogy
Signal Type
Series Name
Bestow Mascot Technology Ltd.
Company Prefix
43: Temperature Sensor
Measure Type
T-Thermopile IR
Package Type
T2-TO Package Type2
Packing Type T-Tube A-Tray
Plating Technology
Blank-Standard SnPb Plating R-RoHS compliant G-Green
Precision
H-High Precision N-Normal Precision
9/16
Ordering Information BM43THA90B-T2
4.2 TO Package Type2 Outline Information (in mm)
Top View
Side View
Bottom View
10/16
Ordering Information BM43THA90B-T2
4.3 Packing Information
Container Tray
Quantity 1000 pcs
Direction of feed Direction of products is fixed in a container tray
100pcs per tray
10 tray per box
MOQ=1000pcs
11/16
Notice BM43THA90B-T2
5. Notice
General Precaution
1) Before you use our Products, you are requested to carefully read this document and fully
understand its contents. BM shall not be in any way responsible or liable for failure,
malfunction or accident arising from the use of any BM’s Products against warning, caution or
note contained in this document.
2) All information contained in this document is current as of the issuing date and subject to
change without any prior notice. Before purchasing or using BM’s Products, please confirm the
latest information with a BM sales representative.
Precaution on using BM Products
1) Our Products are designed and manufactured for application in ordinary electronic
equipments (such as AV equipment, OA equipment, telecommunication equipment, home
electronic appliances, amusement equipment, etc.). If you intend to use our Products in
devices requiring extremely high reliability (such as medical equipment, transport equipment,
traffic equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment
including car accessories, safety devices, etc.) and whose malfunction or failure may cause
loss of human life, bodily injury or serious damage to property (“Specific Applications”), please
consult with the BM sales representative in advance. Unless otherwise agreed in writing by BM
in advance, BM shall not be in any way responsible or liable for any damages, expenses or
losses incurred by you or third parties arising from the use of any BM’s Products for Specific
Applications.
2) BM designs and manufactures its Products subject to strict quality control system. However,
semiconductor products can fail or malfunction at a certain rate. Please be sure to implement,
at your own responsibilities, adequate safety measures including but not limited to fail-safe
design against the physical injury, damage to any property, which a failure or malfunction of
our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3) Our Products are designed and manufactured for use under standard conditions and not
under any special or extraordinary environments or conditions, as exemplified below.
Accordingly, BM shall not be in any way responsible or liable for any damages, expenses or
losses arising from the use of any BM’s Products under any special or extraordinary
environments or conditions. If you intend to use our Products under any special or
extraordinary environments or conditions (as exemplified below), your independent verification
and confirmation of product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic
solvents
12/16
Notice BM43THA90B-T2
[b] Use of our Products outdoors or in places where the Products are exposed to direct
sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive
gases, including Cl2, H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or
electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other
flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type
fluxes, cleaning residue of flux is recommended); or Washing our Products by using water
or water-soluble cleaning agents for cleaning residue after soldering
[h] Use of the Products in places subject to dew condensation
4) The Products are not subject to radiation-proof design.
5) Please verify and confirm characteristics of the final or mounted products in using the
Products.
6) In particular, if a transient load (a large amount of load applied in a short period of time,
such as pulse) is applied, confirmation of performance characteristics after on-board mounting
is strongly recommended. Avoid applying power exceeding normal rated power; exceeding the
power rating under steady-state loading condition may negatively affect product performance
and reliability.
7) De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in
sealed area, confirm the actual ambient temperature.
8) Confirm that operation temperature is within the specified range described in the product
specification.
9) BM shall not be in any way responsible or liable for failure induced under deviant condition
from what is defined in this document.
Precaution for Mounting / Circuit board design
1) When a highly active halogen us (chlorine, bromine, etc.) flux is used, the residue of flux
may negatively affect product performance and reliability.
2) In principle, the reflow soldering method must be used; if flow soldering method is preferred,
please consult with the BM representative in advance. For details, please refer to BM Mounting
specification
Precautions Regarding Application Examples and External Circuits
1) If change is made to the constant of an external circuit, please allow a sufficient margin
considering variations of the characteristics of the Products and external components,
13/16
Notice BM43THA90B-T2
including transient characteristics, as well as static characteristics.
2) You agree that application notes, reference designs, and associated data and information
contained in this document are presented only as guidance for Products use. Therefore, in
case you use such information, you are solely responsible for it and you must exercise your
own independent verification and judgment in the use of such information contained in this
document. BM shall not be in any way responsible or liable for any damages, expenses or
losses incurred by you or third parties arising from the use of such information.
Precaution for Electrostatic
This Product is electrostatic sensitive product, which may be damaged due to electrostatic
discharge. Please take proper caution in your manufacturing process and storage so that
voltage exceeding the Products maximum rating will not be applied to Products. Please take
special care under dry condition (e.g. Grounding of human body / equipment / solder iron,
isolation from charged objects, setting of Ionizer, friction prevention and temperature / humidity
control).
Precaution for Storage / Transportation
1) Product performance and soldered connections may deteriorate if the Products are stored in
the places where:
[a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3,
SO2, and NO2
[b] the temperature or humidity exceeds those recommended by BM
[c] the Products are exposed to direct sunshine or condensation
[d] the Products are exposed to high Electrostatic
2) Even under BM recommended storage condition, solder ability of products out of
recommended storage time period may be degraded. It is strongly recommended to confirm
solder ability before using Products of which storage time is exceeding the recommended
storage time period.
3) Store / transport cartons in the correct direction, which is indicated on a carton with a
symbol. Otherwise bent leads may occur due to excessive stress applied when dropping of a
carton.
4) Use Products within the specified time after opening a humidity barrier bag. Baking is
required before using Products of which storage time is exceeding the recommended storage
time period.
Precaution for Product Label
QR code printed on BM Products label is for BM’s internal use only.
14/16
Notice BM43THA90B-T2
Precaution for Disposition
When disposing Products please dispose them properly using an authorized industry waste
company.
Precaution for Foreign Exchange and Foreign Trade act
Since our Products might fall under controlled goods prescribed by the applicable foreign
exchange and foreign trade act, please consult with BM representative in case of export.
Precaution Regarding Intellectual Property Rights
1) All information and data including but not limited to application example contained in this
document is for reference only. BM does not warrant that foregoing information or data will not
infringe any intellectual property rights or any other rights of any third party regarding such
information or data. BM shall not be in any way responsible or liable for infringement of any
intellectual property rights or other damages arising from use of such information or data.
2) No license, expressly or implied, is granted hereby under any intellectual property rights or
other rights of BM or any third parties with respect to the information contained in this
document.
Other Precaution
1) The information contained in this document is provided on an “as is” basis and BM
does not warrant that all information contained in this document is accurate and/or error-
free. BM shall not be in any way responsible or liable for any damages, expenses or losses
incurred by you or third parties resulting from inaccuracy or errors of or concerning such
information.
2) This document may not be reprinted or reproduced, in whole or in part, without prior written
consent of BM.
3) The Products may not be disassembled, converted, modified, reproduced or otherwise
changed without prior written consent of BM.
4) In no event shall you use in any way whatsoever the Products and the related technical
information contained in the Products or this document for any military purposes, including
but not limited to, the development of mass-destruction weapons.
5) The proper names of companies or products described in this document are trademarks
or registered trademarks of BM, its affiliated companies or third parties.
15/16
Revision History BM43THA90B-T2
6. Revision History
Version Publication date Pages Revise Description
1.0 Oct.2017 16 Initial Document Release
1.1 Jan.2018 16 Update Sensitivity Output Curve
16/16