PTGL09BD2R2N2B51B0 Datasheet, PDF (74/103 Pages) Murata Manufacturing Co., Ltd. – PTC Thermistors for Overcurrent Protection / for Inrush Current Suppression / for Overheat Sensing Lead Type

!Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Overheat Sensing Chip Type (Related Data)
R90E.pdf
Sep.24,2012
c Standard Land Pattern Dimensions
Chip
Solder resist
Land
b
a
(in mm)
Part Number
Soldering
Methods
Dimensions (mm)
Chip (LgW) a
b
c
PRF15
1.0g0.5 0.5 0.4-0.5 0.5
PRF18
Reflow Soldering 1.6g0.8 0.6-0.8 0.6-0.7 0.6-0.8
PRF21
2.0g1.25 1.0-1.2 0.5-0.7 1.0-1.2
c Resistance - Temperature Characteristics (Typical)
1000
BG _BF BE _BD BC _BB BA
AR
100
AS
10
1
c Overheat Protection Circuit
+Vcc
R1
RL
PTH
Thermal
Connection
R2
RE
0.1
–20 0
20 40 60 80 100 120 140 160
Temperature (°C)
c Temperature Sensing Circuit
RL1
R1
RL2
+Vcc
RE2
PTH
Load
RE1
72