!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
R01E.pdf
06.1.25
Dimensions
L
W
T
e
b
PRG18BB
1.6±0.15
0.8±0.15
0.1-0.6
-
PRG21BB
2.0±0.2
1.25±0.2
0.2 min.
0.5 min.
PRG21BC
2.0±0.2
1.25±0.2
0.9±0.2
0.2 min.
0.5 min.
L
W
e
b
e
T
(in mm)
Multilayer Chip POSISTORr for Overcurrent Protection
Electrode Construction Cross-sectional
PTC
Ceramic
PRG21BC Type
Nickel Barrier
Sn Plating
Data here are reference only. Specifications available upon request. Product to be evaluated, confirmed by the user before actual use.
Description here may be revised without notice.
POSISTORr Ideas
From Fuse Resistor
Fuse Resistor
IN
FET
OUT
IN
FET
PRG
OUT
From Current Control Circuit
PRG
IN
OUT
IN
OUT
Limitting
Circuit
Limitting
Circuit
Auto-reset
Simple
Item
POSISTORr
Fuse Resistor
Control Circuit
Chip Resistor
From Chip Resistor
PRG
IN
FET
OUT IN
FET
OUT
Safety
Repeat
Control
Circuit
Control
Circuit
Space
Down Sizing &
Overcurrent Protecting
Cost
Key:
Cross = Bad - Circle = Good - Triangle = Little difference
MURATA [ MURATA MANUFACTURING CO., LTD. ]
