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R01E.pdf
06.1.25
PRF18 Series Characteristics
Part Number
PRF18AS471QB1RB
PRF18AR471QB1RB
PRF18BA471QB1RB
PRF18BB471QB1RB
PRF18BC471QB1RB
PRF18BD471QB1RB
PRF18BE471QB1RB
PRF18BF471QB1RB
PRF18BG471QB1RB
* Also available with tolerance
±3°C
Characteristics
AS
AR
BA
BB
BC
BD
BE
BF
BG
Resistance
(at +25°C)
Sensing Temp. *
(at 4.7k ohm)
145±5°C
135±5°C
125±5°C *
115±5°C *
Maximum
Voltage
Maximum
Current
Operating Temp.
-20 to +160°C
-20 to +150°C
-20 to +140°C
-20 to +130°C
470 ohm
±50%
105±5°C *
95±5°C *
85±5°C *
75±5°C
65±5°C
32VDC
30mA
-20 to +120°C
-20 to +110°C
-20 to +100°C
-20 to + 90°C
-20 to + 80°C
Rating (0603) - Lead Free Terminations Type and UL1434 (except BF, BG types)
New
Part Number
PRF18BA473QB1RB
Characteristics
BA
Resistance
(at +25°C)
470k ohm
±50%
Sensing Temp.
(at 4.7k ohm)
130±5°C
Maximum
Voltage
32VDC
Operating Temp.
-20 to +140°C
Low Current Consumption!
Dimensions
0.8±0.15
0.1-0.6
1.6±0.15
0.8±0.15
(in mm)
Electrode
Construction
Cross-sectional
PTC
Ceramic
Sn Plating
Nickel Barrier
Circuit Examples
Bimetal
POSISTORr
The POSISTORr has the
following advantages over
Bimetal devices.
1. Noise free
PRF
2. No contact problems
3. Low price
Zener Diode
POSISTORr
PRF
-
+
The POSISTORr has the
following additional advantages
over Zener Diodes.
1. Reduced numbers of parts
used in circuits
Mounting Area
Parts
Zener Diode
10x10 = 100mm
2
UPS
Parts
1
Diode
2
Transistor
7
Resistor
1
Op. Amp.
Total
11
POSISTORr
6x6 = 36mm
2
UPS
Parts
1
POSISTORr
1
Transistor
2
Resistor
0
Op. Amp.
Total
4
2. Reduced process costs of
mounting parts on PCBs
3. Reduces occupied space,
helping high density PCB
mounting
MURATA [ MURATA MANUFACTURING CO., LTD. ]
