Capacitor Marking Code Chart

Complete reference for ceramic and film capacitor marking codes. Decode 3-digit codes, voltage ratings, tolerance codes, and temperature coefficient markings.

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3-Digit Capacitor Codes

First two digits are significant figures, third digit is the multiplier (power of 10 in picofarads). Example: 104 = 10 × 10⁴ pF = 100,000 pF = 100 nF.

Code	pF	nF	uF
108	0.1	<0.01	<0.0001
128	0.12	<0.01	<0.0001
158	0.15	<0.01	<0.0001
188	0.18	<0.01	<0.0001
228	0.22	<0.01	<0.0001
278	0.27	<0.01	<0.0001
338	0.33	<0.01	<0.0001
398	0.39	<0.01	<0.0001
478	0.47	<0.01	<0.0001
109	1	<0.01	<0.0001
129	1.2	<0.01	<0.0001
159	1.5	<0.01	<0.0001
189	1.8	<0.01	<0.0001
229	2.2	<0.01	<0.0001
279	2.7	<0.01	<0.0001
339	3.3	<0.01	<0.0001
399	3.9	<0.01	<0.0001
479	4.7	<0.01	<0.0001
100	10	0.01	<0.0001
110	11	0.011	<0.0001
120	12	0.012	<0.0001
130	13	0.013	<0.0001
150	15	0.015	<0.0001
160	16	0.016	<0.0001
180	18	0.018	<0.0001
200	20	0.02	<0.0001
220	22	0.022	<0.0001
240	24	0.024	<0.0001
270	27	0.027	<0.0001
300	30	0.03	<0.0001
330	33	0.033	<0.0001
360	36	0.036	<0.0001
390	39	0.039	<0.0001
430	43	0.043	<0.0001
470	47	0.047	<0.0001
510	51	0.051	<0.0001
560	56	0.056	<0.0001
620	62	0.062	<0.0001
680	68	0.068	<0.0001
750	75	0.075	<0.0001
820	82	0.082	<0.0001
910	91	0.091	<0.0001
101	100	0.1	0.0001
111	110	0.11	0.00011
121	120	0.12	0.00012
131	130	0.13	0.00013
151	150	0.15	0.00015
161	160	0.16	0.00016
181	180	0.18	0.00018
201	200	0.2	0.0002
221	220	0.22	0.00022
241	240	0.24	0.00024
271	270	0.27	0.00027
301	300	0.3	0.0003
331	330	0.33	0.00033
361	360	0.36	0.00036
391	390	0.39	0.00039
431	430	0.43	0.00043
471	470	0.47	0.00047
511	510	0.51	0.00051
561	560	0.56	0.00056
621	620	0.62	0.00062
681	680	0.68	0.00068
751	750	0.75	0.00075
821	820	0.82	0.00082
911	910	0.91	0.00091
102	1,000	1	0.001
112	1,100	1.1	0.0011
122	1,200	1.2	0.0012
132	1,300	1.3	0.0013
152	1,500	1.5	0.0015
162	1,600	1.6	0.0016
182	1,800	1.8	0.0018
202	2,000	2	0.002
222	2,200	2.2	0.0022
242	2,400	2.4	0.0024
272	2,700	2.7	0.0027
302	3,000	3	0.003
332	3,300	3.3	0.0033
362	3,600	3.6	0.0036
392	3,900	3.9	0.0039
432	4,300	4.3	0.0043
472	4,700	4.7	0.0047
512	5,100	5.1	0.0051
562	5,600	5.6	0.0056
622	6,200	6.2	0.0062
682	6,800	6.8	0.0068
752	7,500	7.5	0.0075
822	8,200	8.2	0.0082
912	9,100	9.1	0.0091
103	10,000	10	0.01
113	11,000	11	0.011
123	12,000	12	0.012
133	13,000	13	0.013
153	15,000	15	0.015
163	16,000	16	0.016
183	18,000	18	0.018
203	20,000	20	0.02
223	22,000	22	0.022
243	24,000	24	0.024

Showing first 100 entries. Use search to find specific codes.

Voltage Rating Codes

Letter-number codes indicate working voltage. Common on ceramic and film capacitors.

Code	Voltage (V)
0G	4
0J	6.3
1A	10
1C	16
1E	25
1H	50
1J	63
1K	80
2A	100
2D	200
2E	250
2G	400
2J	630
3A	1000

Tolerance Codes

Single letter indicates capacitance tolerance. J = ±5%, K = ±10%, M = ±20%.

Letter	Tolerance
B	±0.1 pF
C	±0.25 pF
D	±0.5 pF
F	±1%
G	±2%
J	±5%
K	±10%
M	±20%
Z	+80% / -20%

Temperature Coefficient Codes

Dielectric type codes (X7R, C0G/NPO, Y5V) indicate temperature stability and operating range.

Code	Name	Temperature Range	Stability
C0G	C0G/NP0	-55°C to +125°C	±30 ppm/°C, most stable
NPO	NP0	-55°C to +125°C	0 ppm/°C nominal
X5R	X5R	-55°C to +85°C	±15% capacitance change
X7R	X7R	-55°C to +125°C	±15% capacitance change
X7S	X7S	-55°C to +125°C	±22% capacitance change
Y5V	Y5V	-30°C to +85°C	+22% / -82% capacitance change
Z5U	Z5U	+10°C to +85°C	+22% / -56% capacitance change

Related Calculators

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How to Read the Codes

3-Digit Code Example: 104

First two digits (10) are the significant figures. Third digit (4) is the multiplier power of 10 in picofarads.

104 = 10 x 10^4 pF = 100,000 pF = 100 nF = 0.1 uF

Common Codes Quick Reference

100 = 10 pF, 101 = 100 pF, 102 = 1 nF
103 = 10 nF, 104 = 100 nF, 105 = 1 uF
224 = 220 nF, 473 = 47 nF, 106 = 10 uF

Complete Marking Example: 104K 1C

104 = 100 nF capacitance, K = 10% tolerance, 1C = 16V voltage rating.