Tantalum chip capacitors
SpeedPower, Low ESR
Ordering code structure for SpeedPower series
B45
Tantalum
capacitor
B45197A, B45198R, B450, B451
197A
1
157
+
4
0
*
Series
197A = SpeedPower, Low ESR,
tinned terminals
198R = SpeedPower, Low ESR,
gold-plated terminals
Rated voltage
0 = 4 V, 1 = 6.3 V, 2 = 10 V, 3 = 16 V, 4 = 20 V,
5 = 25 V, 6 = 35 V, 7 = 50 V
Rated capacitance + exponent
C [pF] 10
x
E.g.: 686 = 68 pF 10
6
= 68
µF,
157 = 15 pF
10
7
= 150
µF
Capacitance tolerance
M =
±20%,
K =
±10%
Case size
1=A
2=B
3=C
4=D
5=E
ESR quality
0 = standard
Reel diameter
9 = 180 mm, 6 = 330 mm
Please read
Important notes
and
Cautions and warnings
at the end of this document.
Page 9 of 26
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