LM34D National Semiconductor, LM34D Datasheet - Page 7

• Manufacturer Part Number: LM34D
• Description: Precision Fahrenheit Temperature Sensors
• Manufacturer: National Semiconductor

Note 14: Wakefield type 201 or 1" disc of 0.020" sheet brass, soldered to case, or similar.
Note 15: TO-92 and SO-8 packages glued and leads soldered to 1" square of 1/16" printed circuit board with 2 oz copper foil, or similar.
Typical Applications
Temperature Rise of LM34 Due to Self-Heating (Thermal Resistance)
V
FROM +3˚F TO + 100˚F
FIGURE 3. LM34 with Decoupling from Capacitive Load
Still air
Moving air
Still oil
Stirred oil
(Clamped to metal,
infinite heat sink)
OUT
Conditions
= 10mV/˚F (T
Two-Wire Remote Temperature Sensor
A
+3˚F)
(Grounded Sensor)
No Heat
720˚F/W
180˚F/W
180˚F/W
90˚F/W
TO-46,
Sink
(43˚F/W)
Small Heat Fin
DS006685-9
(Note 14)
180˚F/W
72˚F/W
72˚F/W
54˚F/W
TO-46,
DS006685-7
No Heat
324˚F/W
162˚F/W
162˚F/W
81˚F/W
TO-92,
Sink
7
Two-Wire Remote Temperature Sensor
Small Heat Fin
(Output Referred to Ground)
(Note 15)
252˚F/W
126˚F/W
126˚F/W
72˚F/W
TO-92,
FIGURE 4. LM34 with R-C Damper
No Heat
400˚F/W
190˚F/W
SO-8
Sink
(95˚F/W)
Small Heat Fin
DS006685-10
(Note 15)
200˚F/W
160˚F/W
SO-8
DS006685-8
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