PRF18BA471QB5RB Datasheet, PDF (16/104 Pages) Murata Manufacturing Co., Ltd. – POSISTOR for Circuit Protection

!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.
R90E.pdf
Sep.24,2012
1
Chip Type 0805(2012) Size
Part Number
PRG21BB220MB1RK
Max.
Voltage
(V)
20
Hold Current
(at +60°C)
(mA)
30
Hold Current
(at +25°C)
(mA)
44
PRG21BB150MB1RK
20
40
59
PRG21BC6R8MM1RA
30
80
120
PRG21BC4R7MM1RA
30
100
155
PRG21BC3R3MM1RA
20
120
180
PRG21BC2R2MM1RA
16
150
220
PRG21BC1R0MM1RA
12
220
330
PRG21BC0R6MM1RA
6
285
420
PRG21BC0R2MM1RA
6
500
750
Maximum Current shows typical capacities of the transformer which can be used.
This series is applied to reflow soldering.
This series is recognized by UL.
Trip Current
(at +25°C)
(mA)
91
116
260
330
400
500
740
920
1620
Trip Current
(at -10°C)
(mA)
110
140
320
400
480
600
850
1100
2000
Max.
Current
(mA)
1100
1600
5500
8000
6000
6500
10000
10000
10000
Resistance
(at +25°C)
(ohm)
22 ±20%
15 ±20%
6.8 ±20%
4.7 ±20%
3.3 ±20%
2.2 ±20%
1.0 ±20%
0.6 ±20%
0.2 ±20%
c Standard Land Pattern Dimensions
Solder resist
Chip
Land
b
a
(in mm)
Part Number
Soldering
Methods
Dimensions (mm)
Chip (LgW) a
b
c
PRG18
Reflow Soldering 1.6g0.8 0.6-0.8 0.6-0.7 0.6-0.8
PRG21
Reflow Soldering 2.0g1.25 1.0-1.2 0.5-0.7 1.0-1.2
c Protective Threshold Current Range
PRG18BB471MB1RB
40
30
Trip current
20
Protective threshold current
10
Hold current
0
–10 0
10 20 30 40 50 60
Ambient Temperature (°C)
PRG18BB221MB1RB
60
40
Trip current
Protective threshold current
20
Hold current
0
–10 0
10 20 30 40 50 60
Ambient Temperature (°C)
Continued on the following page.
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