LM61BIZ/NOPB [TI]

LM61 2.7V, SOT-23 or TO-92 Temperature Sensor; LM61 2.7V , SOT- 23或TO- 92温度传感器
LM61BIZ/NOPB
型号: LM61BIZ/NOPB
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

LM61 2.7V, SOT-23 or TO-92 Temperature Sensor
LM61 2.7V , SOT- 23或TO- 92温度传感器

传感器 换能器 温度传感器 输出元件
文件: 总18页 (文件大小:1140K)
中文:  中文翻译
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LM61  
www.ti.com  
SNIS121I JUNE 1999REVISED FEBRUARY 2013  
LM61 2.7V, SOT-23 or TO-92 Temperature Sensor  
Check for Samples: LM61  
1
FEATURES  
DESCRIPTION  
The LM61 is  
a
precision integrated-circuit  
2
Calibrated Linear Scale Factor of +10 mV/°C  
Rated for Full 30° to +100°C Range  
Suitable for Remote Applications  
UL Recognized Component  
temperature sensor that can sense a 30°C to  
+100°C temperature range while operating from a  
single +2.7V supply. The LM61's output voltage is  
linearly proportional to Celsius (Centigrade)  
temperature (+10 mV/°C) and has a DC offset of  
+600 mV. The offset allows reading negative  
temperatures without the need for a negative supply.  
The nominal output voltage of the LM61 ranges from  
+300 mV to +1600 mV for a 30°C to +100°C  
temperature range. The LM61 is calibrated to provide  
accuracies of ±2.0°C at room temperature and ±3°C  
over the full 25°C to +85°C temperature range.  
APPLICATIONS  
Cellular Phones  
Computers  
Power Supply Modules  
Battery Management  
FAX Machines  
Printers  
The LM61's linear output, +600 mV offset, and factory  
calibration simplify external circuitry required in a  
single supply environment where reading negative  
temperatures is required. Because the LM61's  
quiescent current is less than 125 μA, self-heating is  
limited to a very low 0.2°C in still air. Shutdown  
capability for the LM61 is intrinsic because its  
inherent low power consumption allows it to be  
powered directly from the output of many logic gates.  
HVAC  
Disk Drives  
Appliances  
Table 1. Key Specifications  
VALUE  
±2.0 or ±3.0  
±4.0  
UNIT  
Accuracy at 25°C  
°C (max)  
°C (max)  
°C (max)  
mV/°C  
Accuracy for 30°C to +100°C  
Accuracy for 25°C to +85°C  
Temperature Slope  
±3.0  
+10  
Power Supply Voltage Range  
Current Drain @ 25°C  
Nonlinearity  
+2.7 to +10  
125  
V
µA (max)  
°C (max)  
Ω (max)  
±0.8  
Output Impedance  
800  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1999–2013, Texas Instruments Incorporated  
LM61  
SNIS121I JUNE 1999REVISED FEBRUARY 2013  
www.ti.com  
TYPICAL APPLICATION  
A. VO = (+10 mV/°C × T °C) + 600 mV  
Figure 1. Full-Range Centigrade Temperature Sensor (30°C to +100°C) Operating from  
a Single Li-Ion Battery Cell  
Table 2. Temperature and Typical VO Values of Figure 1  
TEMPERATURE (T)  
+100°C  
+85°C  
TYPICAL VO  
+1600 mV  
+1450 mV  
+850 mV  
+25°C  
0°C  
+600 mV  
25°C  
+350 mV  
30°C  
+300 mV  
CONNECTION DIAGRAMS  
Figure 2. SOT-23 (Top View)  
See Package Number DBZ0003A  
Figure 3. TO-92 (Bottom View)  
See Package Number LP0003A  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
2
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SNIS121I JUNE 1999REVISED FEBRUARY 2013  
Absolute Maximum Ratings(1)  
Supply Voltage  
+12V to 0.2V  
(+VS + 0.6V) to 0.6V  
10 mA  
Output Voltage  
Output Current  
Input Current at any pin(2)  
5 mA  
Storage Temperature  
65°C to +150°C  
+125°C  
Maximum Junction Temperature (TJMAX  
)
ESD Susceptibility(3)  
Human Body Model  
2500V  
250V  
Machine Model  
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for  
which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see  
the Electrical Characteristics . The guaranteed specifications apply only for the test conditions listed. Some performance characteristics  
may degrade when the device is not operated under the listed test conditions.  
(2) When the input voltage (VI) at any pin exceeds power supplies (VI < GND or VI > +VS), the current at that pin should be limited to 5 mA.  
(3) The human body model is a 100 pF capacitor discharged through a 1.5 kΩ resistor into each pin. The machine model is a 200 pF  
capacitor discharged directly into each pin.  
Operating Ratings(1)  
Specified Temperature Range:  
TMIN TA TMAX  
LM61C  
30°C TA +100°C  
25°C TA +85°C  
+2.7V to +10V  
LM61B  
Supply Voltage Range (+VS)  
(2)  
Thermal Resistance, θJA  
SOT-23  
TO-92  
450°C/W  
180°C/W  
Soldering process must comply with Reflow Temperature Profile specifications. Refer to http://www.ti.com/packaging.(3)  
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for  
which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see  
the Electrical Characteristics . The guaranteed specifications apply only for the test conditions listed. Some performance characteristics  
may degrade when the device is not operated under the listed test conditions.  
(2) The junction to ambient thermal resistance (θJA) is specified without a heat sink in still air.  
(3) Reflow temperature profiles are different for lead-free and non-lead-free packages.  
Copyright © 1999–2013, Texas Instruments Incorporated  
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LM61  
SNIS121I JUNE 1999REVISED FEBRUARY 2013  
www.ti.com  
Electrical Characteristics  
Unless otherwise noted, these specifications apply for +VS = +3.0 VDC. Boldface limits apply for TA = TJ = TMIN to TMAX ; all  
other limits TA = TJ = 25°C.  
LM61B  
LIMITS(2)  
±2.0  
LM61C  
LIMITS(2)  
±3.0  
UNITS  
(LIMIT)  
PARAMETER  
TEST CONDITIONS  
TYPICAL(1)  
(3)  
Accuracy  
°C (max)  
°C (max)  
mV  
±3.0  
±4.0  
Output Voltage at 0°C  
+600  
+10  
(4)  
Nonlinearity  
±0.6  
+9.7  
±0.8  
+9.6  
°C (max)  
mV/°C (min)  
mV/°C (max)  
Sensor Gain (Average Slope)  
+10.3  
+10.4  
Output Impedance  
+3.0V +VS +10V  
30°C TA +85°C, +VS= +2.7V  
+85°C TA +100°C, +VS= +2.7V  
0.8  
2.3  
5
0.8  
2.3  
5
kΩ (max)  
kΩ (max)  
kΩ (max)  
(5)  
Line Regulation  
+3.0V +VS +10V  
+2.7V +VS +3.3V  
+2.7V +VS +10V  
±0.7  
±5.7  
125  
155  
±0.7  
±5.7  
125  
155  
mV/V (max)  
mV (max)  
µA (max)  
µA (max)  
μA  
Quiescent Current  
82  
Change of Quiescent Current  
+2.7V +VS +10V  
±5  
0.2  
Temperature Coefficient of  
Quiescent Current  
µA/°C  
°C  
(6)  
Long Term Stability  
TJ=TMAX=+100°C, for 1000 hours  
±0.2  
(1) Typicals are at TJ = TA = 25°C and represent most likely parametric norm.  
(2) Limits are guaranteed to TI's AOQL (Average Outgoing Quality Level).  
(3) Accuracy is defined as the error between the output voltage and +10 mV/°C times the device's case temperature plus 600 mV, at  
specified conditions of voltage, current, and temperature (expressed in °C).  
(4) Nonlinearity is defined as the deviation of the output-voltage-versus-temperature curve from the best-fit straight line, over the device's  
rated temperature range.  
(5) Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating  
effects can be computed by multiplying the internal dissipation by the thermal resistance.  
(6) For best long-term stability, any precision circuit will give best results if the unit is aged at a warm temperature, and/or temperature  
cycled for at least 46 hours before long-term life test begins. This is especially true when a small (Surface-Mount) part is wave-soldered;  
allow time for stress relaxation to occur. The majority of the drift will occur in the first 1000 hours at elevated temperatures. The drift after  
1000 hours will not continue at the first 1000 hour rate.  
4
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LM61  
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SNIS121I JUNE 1999REVISED FEBRUARY 2013  
Typical Performance Characteristics  
The LM61 in the SOT-23 package mounted to a printed circuit board as shown in Figure 14 was used to generate the  
following thermal curves.  
Thermal Resistance  
Junction to Air  
Thermal Time Constant  
Figure 4.  
Figure 5.  
Thermal Response  
in Stirred Oil Bath  
with Heat Sink  
Thermal Response in  
Still Air with Heat Sink  
Figure 6.  
Figure 7.  
Thermal Response in Still  
Air without a Heat Sink  
Quiescent Current  
vs. Temperature  
Figure 8.  
Figure 9.  
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SNIS121I JUNE 1999REVISED FEBRUARY 2013  
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Typical Performance Characteristics (continued)  
The LM61 in the SOT-23 package mounted to a printed circuit board as shown in Figure 14 was used to generate the  
following thermal curves.  
Accuracy  
vs  
Temperature  
Noise Voltage  
Figure 10.  
Figure 11.  
Supply Voltage  
vs Supply Current  
Start-Up Response  
Figure 12.  
Figure 13.  
A. ½Square Printed Circuit Board with 2 oz. Copper Foil or Similar.  
Figure 14. Printed Circuit Board Used for Heat Sink to Generate All Curves  
6
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LM61  
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SNIS121I JUNE 1999REVISED FEBRUARY 2013  
APPLICATION INFORMATION  
Mounting  
The LM61 can be applied easily in the same way as other integrated-circuit temperature sensors. It can be glued  
or cemented to a surface. The temperature that the LM61 is sensing will be within about +0.2°C of the surface  
temperature that LM61's leads are attached to.  
This presumes that the ambient air temperature is almost the same as the surface temperature; if the air  
temperature were much higher or lower than the surface temperature, the actual temperature measured would  
be at an intermediate temperature between the surface temperature and the air temperature.  
To ensure good thermal conductivity the backside of the LM61 die is directly attached to the GND pin. The lands  
and traces to the LM61 will, of course, be part of the printed circuit board, which is the object whose temperature  
is being measured.  
Alternatively, the LM61 can be mounted inside a sealed-end metal tube, and can then be dipped into a bath or  
screwed into a threaded hole in a tank. As with any IC, the LM61 and accompanying wiring and circuits must be  
kept insulated and dry, to avoid leakage and corrosion. This is especially true if the circuit may operate at cold  
temperatures where condensation can occur. Printed-circuit coatings and varnishes such as Humiseal and epoxy  
paints or dips are often used to ensure that moisture cannot corrode the LM61 or its connections.  
The thermal resistance junction to ambient (θJA) is the parameter used to calculate the rise of a device junction  
temperature due to its power dissipation. For the LM61, Equation 1 is used to calculate the rise in the die  
temperature.  
TJ = TA + θJA [(+VS IQ) + (+VS VO) IL]  
where  
IQ is the quiescent current  
ILis the load current on the output  
(1)  
Since the LM61's junction temperature is the actual temperature being measured care should be taken to  
minimize the load current that the LM61 is required to drive.  
Table 3 summarizes the rise in die temperature of the LM61 without any loading with a 3.3V supply, and the  
thermal resistance for different conditions.  
Table 3. Temperature Rise of LM61 Due to Self-Heating and Thermal Resistance (θJA  
)
SOT-23(1)  
SOT-23(2)  
TO-92(1)  
TO-92(3)  
NO HEAT SINK  
SMALL HEAT FIN  
NO HEAT SINK  
SMALL HEAT FIN  
θJA  
TJ TA  
θJA  
TJ TA  
θJA  
TJ TA  
θJA  
TJ TA  
(°C/W)  
(°C)  
(°C/W)  
(°C)  
(°C/W)  
(°C)  
0.09  
0.05  
(°C/W)  
(°C)  
Still air  
450  
0.26  
260  
180  
0.13  
0.09  
180  
140  
70  
0.07  
0.03  
Moving air  
90  
(1) Part soldered to 30 gauge wire.  
(2) Heat sink used is ½square printed circuit board with 2 oz. foil with part attached as shown in Figure 14.  
(3) Part glued and leads soldered to 1" square of 1/16" printed circuit board with 2oz. foil or similar.  
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SNIS121I JUNE 1999REVISED FEBRUARY 2013  
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Capacitive Loads  
The LM61 handles capacitive loading well. Without any special precautions, the LM61 can drive any capacitive  
load as shown in Figure 15. Over the specified temperature range the LM61 has a maximum output impedance  
of 5 kΩ. In an extremely noisy environment it may be necessary to add some filtering to minimize noise pickup. It  
is recommended that 0.1 μF be added from +VS to GND to bypass the power supply voltage, as shown in  
Figure 16. In a noisy environment it may be necessary to add a capacitor from the output to ground. A 1 μF  
output capacitor with the 5 kΩ maximum output impedance will form a 32 Hz lowpass filter. Since the thermal  
time constant of the LM61 is much slower than the 5 ms time constant formed by the RC, the overall response  
time of the LM61 will not be significantly affected. For much larger capacitors this additional time lag will increase  
the overall response time of the LM61.  
Figure 15. LM61 No Decoupling Required for Capacitive Load  
Figure 16. LM61 with Filter for Noisy Environment  
Figure 17. Simplified Schematic  
8
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LM61  
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SNIS121I JUNE 1999REVISED FEBRUARY 2013  
Applications Circuits  
V
TEMP  
V+  
R3  
V
V
T1  
R4  
T2  
R1  
V
T
(Low = overtemp alarm)  
4.1V  
V
OUT  
+
V
OUT  
U1  
LM4040  
U3  
0.1 mF  
-
R2  
LM7211  
(4.1)R2  
V
V
=
=
T1  
R2 + R1||R3  
V+  
LM61  
U2  
V
Temp  
(4.1)R2||R3  
R1 + R2||R3  
T2  
Figure 18. Centigrade Thermostat  
Figure 19. Conserving Power Dissipation with Shutdown  
Recommended Solder Pads for SOT-23 Package  
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LM61  
SNIS121I JUNE 1999REVISED FEBRUARY 2013  
www.ti.com  
REVISION HISTORY  
Changes from Revision H (February 2013) to Revision I  
Page  
Changed layout of National Data Sheet to TI format ............................................................................................................ 9  
10  
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PACKAGE OPTION ADDENDUM  
www.ti.com  
1-Nov-2013  
PACKAGING INFORMATION  
Orderable Device  
Status Package Type Package Pins Package  
Eco Plan  
Lead/Ball Finish  
MSL Peak Temp  
Op Temp (°C)  
Device Marking  
Samples  
Drawing  
Qty  
1000  
1000  
(1)  
(2)  
(6)  
(3)  
(4/5)  
LM61BIM3  
NRND  
ACTIVE  
SOT-23  
SOT-23  
DBZ  
3
3
TBD  
Call TI  
CU SN  
Call TI  
-25 to 85  
-25 to 85  
T1B  
T1B  
LM61BIM3/NOPB  
DBZ  
Green (RoHS  
& no Sb/Br)  
Level-1-260C-UNLIM  
LM61BIM3X/NOPB  
LM61BIZ/LFT3  
ACTIVE  
ACTIVE  
ACTIVE  
SOT-23  
TO-92  
TO-92  
DBZ  
LP  
3
3
3
3000  
2000  
1800  
Green (RoHS  
& no Sb/Br)  
CU SN  
Level-1-260C-UNLIM  
N / A for Pkg Type  
N / A for Pkg Type  
-25 to 85  
T1B  
Green (RoHS  
& no Sb/Br)  
SN | CU SN  
SN | CU SN  
LM61  
BIZ  
LM61BIZ/NOPB  
LP  
Green (RoHS  
& no Sb/Br)  
-25 to 85  
LM61  
BIZ  
LM61CIM3  
NRND  
SOT-23  
SOT-23  
DBZ  
DBZ  
3
3
1000  
1000  
TBD  
Call TI  
CU SN  
Call TI  
-30 to 100  
-30 to 100  
T1C  
T1C  
LM61CIM3/NOPB  
ACTIVE  
Green (RoHS  
& no Sb/Br)  
Level-1-260C-UNLIM  
LM61CIM3X  
NRND  
SOT-23  
SOT-23  
DBZ  
DBZ  
3
3
3000  
3000  
TBD  
Call TI  
CU SN  
Call TI  
-30 to 100  
-30 to 100  
T1C  
T1C  
LM61CIM3X/NOPB  
ACTIVE  
Green (RoHS  
& no Sb/Br)  
Level-1-260C-UNLIM  
LM61CIZ/LFT2  
LM61CIZ/NOPB  
ACTIVE  
ACTIVE  
TO-92  
TO-92  
LP  
LP  
3
3
2000  
1800  
Green (RoHS  
& no Sb/Br)  
SN | CU SN  
SN | CU SN  
N / A for Pkg Type  
N / A for Pkg Type  
LM61  
CIZ  
Green (RoHS  
& no Sb/Br)  
-30 to 100  
LM61  
CIZ  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability  
information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that  
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between  
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight  
in homogeneous material)  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
1-Nov-2013  
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.  
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation  
of the previous line and the two combined represent the entire Device Marking for that device.  
(6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish  
value exceeds the maximum column width.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information  
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and  
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.  
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.  
Addendum-Page 2  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
23-Sep-2013  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
LM61BIM3  
LM61BIM3/NOPB  
LM61BIM3X/NOPB  
LM61CIM3  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
DBZ  
DBZ  
DBZ  
DBZ  
DBZ  
DBZ  
DBZ  
3
3
3
3
3
3
3
1000  
1000  
3000  
1000  
1000  
3000  
3000  
178.0  
178.0  
178.0  
178.0  
178.0  
178.0  
178.0  
8.4  
8.4  
8.4  
8.4  
8.4  
8.4  
8.4  
3.3  
3.3  
3.3  
3.3  
3.3  
3.3  
3.3  
2.9  
2.9  
2.9  
2.9  
2.9  
2.9  
2.9  
1.22  
1.22  
1.22  
1.22  
1.22  
1.22  
1.22  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
4.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
Q3  
Q3  
Q3  
Q3  
Q3  
Q3  
Q3  
LM61CIM3/NOPB  
LM61CIM3X  
LM61CIM3X/NOPB  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
23-Sep-2013  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
LM61BIM3  
LM61BIM3/NOPB  
LM61BIM3X/NOPB  
LM61CIM3  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
DBZ  
DBZ  
DBZ  
DBZ  
DBZ  
DBZ  
DBZ  
3
3
3
3
3
3
3
1000  
1000  
3000  
1000  
1000  
3000  
3000  
210.0  
210.0  
210.0  
210.0  
210.0  
210.0  
210.0  
185.0  
185.0  
185.0  
185.0  
185.0  
185.0  
185.0  
35.0  
35.0  
35.0  
35.0  
35.0  
35.0  
35.0  
LM61CIM3/NOPB  
LM61CIM3X  
LM61CIM3X/NOPB  
Pack Materials-Page 2  
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