I'm sorry if the following is common knowledge, but I was recently deciphering the marking codes on an smd tantalum capacitor and I chanced upon this datasheet:
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Page 3 tabulates the EIA-198D two-digit capacitor marking code. The meaning of the first character is as follows, while the second digit is the multiplier. For example, "T6" denotes 5.1 x 10^6 pF = 5.1 uF.
A 1.0 B 1.1 C 1.2 D 1.3 E 1.5 F 1.6 G 1.8 H 2.0 J 2.2 K 2.4 L 2.7 M 3.0 N 3.3 P 3.6 Q 3.9 R 4.3 S 4.7 T 5.1 U 5.6 V 6.2 W 6.8 X 7.5 Y 8.2 Z 9.1 a 2.5 b 3.0 c 3.5 d 4.0 e 4.5 f 5.0 m 6.0 n 7.0 t 8.0 g 9.0
- Franc Zabkar