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Understanding A 0603 Resistor

2025-05-29

The 0603 resistor is one of the most commonly use surface-mount resistors (SMDs) in modern electronic devices. The designation "0603" refers to its physical dimensions. They are typically 0.06 inches by 0.03 inches (1.6mm x 0.8mm). We can find it in a wide variety of consumer electronics , automotive systems, medical devices, and communication equipment.

In this blog, we will know 0603 chip resistor dimensions, footprint, marking code, values, packaging types, features, and more. Additionally, we will have answers for the FAQs of the voltage rating and how to solder it.

0603 chip resistor

0603 Resistor Dimensions

0603 resistor size

Unit

Body Length

Body Width

Body Height

Top Termination

Bottom Termination

inches

0.063 ±0.006

0.031 ±0.006

0.018 ±0.006

0.012 ±0.008

1.60 ±0.15

0.80 ±0.15

0.45 ±0.15

0.30 ±0.20

· This is a metric use in the surface-mount technology (SMT) industry.

0603 Resistor Footprint dimensions

It can ensure proper mounting on a printed circuit board. It's the area on the PCB that corresponds to the physical dimensions of the resistors. Typically includes both the pad and the soldering area. The general guidelines for the footprint are:

· Length (Pad Size): 1.3 mm (0.051 inches)

· Width (Pad Size): 0.6 mm (0.024 inches)

· Pitch (Center to Center): 1.6 mm (0.063 inches) (Same as the length)

The pads should also account for the recommended soldering allowance. Ensure mount resistor securely with sufficient solder for electrical and mechanical stability.

0603 Resistor Marking Code

Markings follows a standard system based on the resistor’s nominal value, tolerance, and sometimes the temperature coefficient. The code is print on the top surface of the resistor and follows a three- or four-digit system for resistance values. For example:

· "103" =10 × 10³= 10,000 ohms (10 kΩ)

· "221" =22 × 10¹= 220 ohms (220 Ω)

· "472" = 4.7 kΩ

In the case of a four-digit code, the first three digits represent the significant figures, and the last digit is the multiplier. For instance:

· "1001" = 10 × 10¹= 100 ohms

· "4703" = 47 × 10³= 47 kΩ

Common 0603 Resistors Markings Examples

Marking Code	Resistance Value	Description
100	10 ohms	10 × 10⁰ = 10 Ω
220	220 ohms	22 × 10¹ = 220 Ω
103	10 kΩ	10 × 10³ = 10,000 Ω
472	4.7 kΩ	47 × 10² = 4,700 Ω
1001	100 ohms	10 × 10¹ = 100 Ω
4703	47 kΩ	47 × 10³ = 47,000 Ω
221	220 ohms	22 × 10¹ = 220 Ω
470	47 ohms	47 × 10⁰ = 47 Ω

0603 Resistor Values

Resistance Value Ohms
0603 0 ohm resistor	1	1.01	1.02	1.04	1.05	1.07
1.1	1.13	1.15	1.18	1.2	1.21	1.24
1.27	1.29	1.3	1.33	1.37	1.4	1.43
1.47	1.5	1.54	1.58	1.6	1.62	1.64
1.65	1.69	1.74	1.78	1.8	1.82	1.87
1.91	1.96	2	2.01	2.03	2.05	2.1
2.15	2.2	2.21	2.26	2.32	2.37	2.4
2.43	2.49	2.5	2.55	2.61	2.67	2.7
2.74	2.8	2.87	2.94	3	3.01	3.02
3.09	3.1	3.16	3.24	3.3	3.32	3.4
203.48	3.52	3.57	3.6	3.61	3.65	3.74
3.83	3.9	3.92	4.02	4.12	4.22	4.24
4.3	4.32	4.42	4.53	4.54	4.64	4.7
4.75	4.87	4.99	5	5.05	5.1	5.11
5.23	5.36	5.49	5.6	5.62	5.76	5.9
6	6.01	6.04	6.19	6.2	6.34	6.42
6.49	6.65	6.8	6.81	6.98	7	7.04
7.15	7.32	7.5	7.68	7.87	8	8.01
8.06	8.2	8.25	8.45	8.66	8.87	9
9.09	9.1	9.31	9.53	9.76	9.88	10
10.1	10.2	10.4	10.5	10.6	10.7	10.9
11	11.1	11.3	11.4	11.5	11.7	11.8
12	12.1	12.3	12.4	12.6	12.7	12.9
13	13.2	13.3	13.5	13.7	13.8	14
14.2	14.3	14.5	14.7	14.9	15	15.2
15.4	15.6	15.8	16	16.2	16.4	16.5
16.7	16.9	17.2	17.4	17.6	17.8	18
18.2	18.4	18.7	18.9	19.1	19.3	19.6
19.8	20	20.3	20.5	20.8	21	21.3
21.5	21.8	22	22.1	22.3	22.6	22.9
23.2	23.4	23.7	24	24.3	24.6	24.9
25	25.2	25.5	25.8	26.1	26.4	26.7
27	27.1	27.4	27.7	28	28.4	28.7
29.1	29.4	29.8	30	30.1	30.5	30.9
31.2	31.6	32	32.1	32.4	32.8	33
33.2	33.6	34	34.4	34.8	35.2	35.7
36	36.1	36.5	37	37.4	37.9	38
38.3	38.8	39	39.2	39.7	39.9	40
40.2	40.7	41.2	41.7	42	42.2	43
43.2	43.7	44.2	44.8	45	45.3	45.9
46.2	46.4	47	47.5	48.1	48.7	49.3
49.9	50	50.5	51	51.1	51.7	52.3
53	53.6	54.2	54.9	55.6	56	56.2
56.6	56.9	57.6	58	58.3	59	59.7
60	60.4	61.2	61.9	62	62.6	63.4
64.2	64.9	65.7	66.5	66.9	67.3	68
68.1	69	69.8	70.6	71	71.5	72.3
73.2	74.1	75	75.9	76.6	76.8	77.7
78.7	79.6	80.6	81.6	82	82.5	83.1
83.5	84.3	84.5	85.6	86.5	86.6	87.6
88	88.2	88.7	89	89.8	90.9	91
92	93.1	94.2	95.3	96	96.1	96.5
97.6	98.8	99.6	100	101	102	104
105	106	107	108.6	109	110	111
113	114	115	117	118	120	121
122.5	123	124	125	126	127	127.5
129	130	132	133	135	137	138
140	142	143	145	147	149	150
152	154	155	156	156.25	158	160
162	164	165	167	168	169	172
174	175	176	178	180	182	184
187	189	191	193	196	197	198
200	203	205	208	209	210	211
213	215	218	220	221	223	226
229	230	234	237	240	243	246
249	250	252	255	258	260	261
264	266	267	270	271	274	275
277	280	284	287	291	294	298
300	301	305	307	309	309.76	312
316	317	320	324	328	330	331
332	336	340	344	348	350	352
357	360	361	365	370	374	375
379	383	385	388	390	392	394
397	400	402	407	412	415	417
420	422	426	427	430	432	435
437	440	442	445	448	449	450
453	455	457	459	460	461	464
465	470	475	481	483	484	487
490	493	498.99	499	500	504.88	505
510	511	517	521.7	523	525	528
530	535	536	539	542	545	546
549	550	556	560	562	569	5470
576	578	580	583	585	590	597
598	600	604	608	610	612	619
620	622.5	625	626	630	634	635
638	642	645	646.47	649	650	657
660	665	670	673	680	681	690
698	700	706	707.14	715	720	723
732	741	750	759	760	768	777
787	796	800	806	808	808.09	810
816	820	825	826	831	835	840
845	856	866	876	880	887	896
898	900	903	909	910	920	942.42
931	942	953	965	969.7	976	988
990	996	998	1000

Resistance Value kOhms
1k 0603 resistor	1.01	1.02	1.034	1.038	1.04	1.05
1.06	1.07	1.08	1.09	1.1	1.11	1.125
1.128	1.13	1.14	1.143	1.146	1.1489	1.15
1.17	1.18	1.2	1.21	1.23	1.24	1.25
1.26	1.27	1.29	1.3	1.32	1.33	1.35
1.37	1.38	1.4	1.42	1.43	1.45	1.46
1.47	1.49	15	1.52	1.54	1.55	1.56
1.58	1.6	1.62	1.63	1.64	1.65	167
1.69	1.7	1.72	1.74	1.76	1.78	1.8
1.82	1.84	1.87	1.89	1.9	1.91	1.92
1.93	1.96	1.98	2	2.03	2.05	2.08
2.1	2.128	2.13	2.15	2.18	2.2	2.21
2.23	2.26	2.29	2.32	2.34	2.35	2.37
2.4	2.43	2.46	2.47	2.48	2.49	2.5
2.52	2.55	2.58	2.593	2.61	2.64	2.65
2.67	2.7	2.71	2.74	2.77	2.8	2.84
2.87	2.91	2.94	2.98	3	3.01	3.05
3.09	3.1	3.12	3.16	3.2	3.22	3.24
3.25	3.28	3.3	3.32	3.36	3.4	3.44
3.45	3.48	3.5	3.52	3.57	3.6	3.61
3.638	3.65	3.7	3.74	3.79	3.83	3.85
3.88	3.9	3.92	3.97	4	4.02	4.07
4.12	4.16	4.17	4.2	4.22	4.25	4.27
4.3	4.32	4.33	4.37	4.42	4.47	4.48
4.49	4.5	4.53	4.59	4.6	4.64	4.65
4.7	4.71	4.74	4.75	4.76	4.8	4.81
4.87	4.9	4.93	4.99	5	5.05	5.1
5.11	5.113	5.17	5.23	5.3	5.33	5.36
5.42	5.49	5.56	56	5.62	5.69	5.76
5.83	5.9	5.97	6	6.04	6.12	6.19
6.2	6.26	6.34	6.42	6.49	6.5	6.57
6.65	6.73	6.8	6.81	6.9	6.98	7.06
7.15	7.23	7.25	7.32	7.41	7.5	7.59
7.68	7.69	7.77	7.87	7.96	8	8.06
8.16	8.2	8.25	8.35	8.45	8.56	8.66
8.76	8.87	8.98	9.09	9.1	9.2	9.31
9.42	9.53	9.65	9.76	9.79	9.88	10k 0603 resistor
10.1	10.2	10.4	10.5	10.6	10.7	10.9
11	11.1	11.3	11.4	11.5	11.7	11.8
12	12.1	12.3	12.4	12.6	12.7	12.9
13	13.2	13.3	13.5	13.7	13.8	14
14.2	14.3	14.5	14.7	14.9	15	15.2
15.4	15.5	15.6	15.8	15.9	16	16.2
16.4	16.5	16.7	16.9	17.2	17.4	17.6
17.8	18	18.2	18.4	18.7	18.9	19.1
19.3	19.6	19.8	20	20.3	20.5	20.8
21	21.1	21.3	21.5	21.8	22	22.1
22.3	22.6	22.9	23.2	23.4	23.5	23.7
24	24.3	24.6	24.8	24.9	25	25.2
25.3	25.5	25.8	26.1	26.4	26.7	27
27.1	27.4	27.7	28	28.4	28.7	29.1
29.4	29.8	30	30.1	30.5	30.9	31.2
31.6	32	32.4	32.8	33	33.2	33.6
34	34.4	34.8	35.2	35.7	36	36.1
36.5	37	37.4	37.9	38.2	38.3	38.8
39	39.2	39.7	40	40.2	40.7	41
41.2	41.7	42.2	42.7	43	43.2	43.7
44.2	44.8	45.3	45.9	46.4	47	47.5
47.6	48.1	48.7	49.3	49.9	50	50.5
51	51.1	51.7	52.2	52.3	53	54.2
54.9	55.6	56	56.9	57.6	58.3	59
59.7	60	60.4	61.2	61.9	62	62.6
63.4	64.2	64.9	65.5	65.7	66.5	67.3
68	68.1	69	69.8	70.6	71.5	72.3
72.5	73.2	74.1	75	75.9	76.8	77.7
78.7	79.6	80	80.6	81	82	82.5
83.5	84.5	85.6	86.6	87.6	88.7	89.8
90	90.9	91	92	93.1	94.2	95.3
96	96.5	97.6	98.8	100	101	102
104	105	106	107	109	110	111
113	114	115	117	118	120	121
123	124	125	126	127	129	130
132	133	135	137	138	140	142
145	147	149	150	152	154	156
158	159	160	162	164	165	167
169	172	174	176	178	180	182
184	187	189	191	193	196	198
200	201	203	205	208	210	213
215	218	220	221	223	224	225
226	229	230	232	234	237	240
243	245	246	247	249	250	252
255	258	261	264	267	270	271
274	277	280	284	287	291	294
298	300	301	305	309	310	312
315	316	320	324	328	330	332
336	340	344	348	352	357	360
361	365	370	374	379	383	388
390	392	397	400	402	407	412
417	420	422	427	430	432	437
442	448	453	459	464	470	475
481	487	493	499	500	505	510
511	517	523	530	536	542	547
549	556	560	562	569	570	576
583	590	597	604	612	619	620
626	634	642	649	657	665	673
680	681	690	698	706	715	723
732	741	750	759	768	777	781
787	796	806	816	820	825	835
845	856	866	876	887	898	900
909	910	920	931	942	953	965
976	988

Resistance Value mOhms
1	2	2.5	3	4	5
6	7	8	9	10	11
12	13	14	15	16	18
19	20	21	22	23	23.7
24	24.9	25	25.5	27	30
32	33	36	38	39	40
40.2	42	43	45	47	48
49	49.9	50	51	52	53
54	55	56	57	58	59
60	61	62	63	64	64.9
65	66	67	68	68.1	69
70	71	72	73	74	75
76	77	78	79	80	81
82	83	84	85	86	87
88	89	90	91	92	93
94	95	96	97	98	99
100	102	105	107	110	113
115	118	120	121	124	127
130	133	137	140	143	147
150	154	158	160	162	165
169	174	178	180	182	187
191	196	200	205	210	215
220	221	226	232	237	240
243	249	250	255	261	267
270	274	280	287	294	300
301	309	316	324	330	332
340	348	350	357	360	365
374	383	390	392	400	402
412	422	430	432	442	453
464	470	475	487	490	499
500	510	511	523	536	549
560	562	576	590	600	604
519	620	634	649	650	665
680	681	698	700	715	732
750	768	787	800	806	820
825	845	866	887	909	910
931	953	976

Resistance Tolerance

±0.01%	±0.02%	±0.05%	±0.1%
±0.25%	±0.5%	±1%	±2%
±3%	±5%	±10%	±20%
Jumper	-10%~0%	-20%~0%	-30%~0%

Resistance Power

0.01W	0.0125W	0.0375W	0.04W	0.06W
0.063W (1/16W)	0.075W	0.1W (1/10W)	0.11W	0.12W
0.125W (1/8W)	0.15W	0.167W (1/6W)	0.2W (1/5W)	0.21W
0.25W (1/4W)	0.3W	0.32W	0.333W (1/3W)	0.375W (3/8W)
0.4W	0.4W (2/5W)	0.5W (1/2W)	1.5W	2.4W
2.5W	3W

0603 Resistor Packaging Types

The several packaging types suit different applications, manufacturing processes, and component handling needs.

1. Bag:

2. Box:

3. Bulk:

4. Cut Tape:

5. Tape & Box:

6. Tape & Reel:

7. Tray:

Features of 0603 Resistors

1. Excellent Overall Stability:

2. RoHS Compliant:

3. High Component and Equipment Reliability:

Frequently Asked Questions (FAQs)

1. What is the code 0603 for a resistor?

The "0603" code refers to the size of the SMD resistors. Specifically, it measures 0.06 inches (1.6mm) in length and 0.03 inches (0.8mm) in width. This size is part of the standard classification for SMD components.

2. What size is a 0603 resistor?

The dimensions:

· Length: 1.6 mm (0.063 inches)

· Width: 0.8 mm (0.031 inches)

This sizes suitable for compact devices where space is a premium, like smartphones, laptops, and wearables.

3. What is the voltage rating of a 0603 resistor?

It depends on the manufacturer and the specific 0603 resistor power rating and resistance value. However, generally, this resistors can handle voltages up to 50V. But it's always essential to refer to the datasheet of the specific components for accurate voltage and power ratings.

4. How to solder 0603 resistors?

Soldering requires precision because their small size. The basic steps include:

1. Prepare the PCB: Apply solder paste to the pads where to place the resistor .

2. Place the Resistor: Use a fine-tipped tweezer to position it on the PCB, ensuring it's correctly align with the pads.

3. Reflow Soldering: Place the PCB in a reflow oven, which heats the solder paste, causing it to melt and bond the resistor to the pads. Alternatively, you can use a hot air gun to melt the solder paste.

4. Inspect the Soldering: Use a magnifying glass or microscope to inspect the solder joints for any issues, such as cold solder joints or bridging.

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