SMD
- There are 5 kinds of SMD size (1206/0805/0603/0402/0201).
- Excellent solder ability
- RoHS Compliance
- High precision and various resistances and B values
- High stability
SMD CHIP DIMENSION
| ITEM |
L(mm) |
W(mm) |
T(mm) |
L1(mm) |
|---|---|---|---|---|
| 0201 (0603) | 0.60 ± 0.03 | 0.30 ± 0.03 | 0.30 ± 0.03 | 0.15± 0.05 |
| 0402 (1005) | 1.00 ± 0.10 | 0.50 ± 0.10 | 0.40 ± 0.20 | 0.15 ~ 0.30 |
| 0603 (1608) | 1.60 ± 0.15 | 0.80 ± 0.15 | 0.70 ± 0.25 | 0.20 ~ 0.50 |
| 0805 (2012) | 2.00 ± 0.20 | 1.25 ± 0.20 | 0.90 ± 0.30 | 0.20 ~ 0.60 |
| 1206 (3216) | 3.20 ± 0.20 | 1.60 ± 0.20 | 0.90 ± 0.30 | 0.25 ~ 0.60 |
SMD CHIP STRUCTURE
ORDERING INFORMATION
| EWTF | 03 | 103 | J | 3I | N | |||
| SMD NTC Series Code: EWTF : Lead Free |
Chip Size ( L x W ) : 01 (0201) – 0.6 x 0.3mm 02 (0402) – 1.0 x 0.5 mm 03 (0603) – 1.6 x 0.8 mm 05 (0805) – 2.0 x 1.25 mm 06 (1206) – 3.2 x 1.6 mm |
Resistance at 25°C : 102 = 10×10² = 1,000Ω 103 = 10×10³ = 10,000Ω 104 = 10×10⁴ = 100,000Ω |
Resistance Tolerance : F=±1% G=±2% H=±3% J =±5 % K=±10% |
B Value (K) :3I = 3435 ( 3000 + 435 ) | Coating Color: Blank = Blue N = New Color (Black) |
|||
| 1:1000 | C:101~150 | I:401~450 | O:701~750 | |||||
| 2:2000 | D:151~200 | J:451~500 | P:751~800 | |||||
| 3:3000 | E:201~250 | K:501~550 | Q:801~850 | |||||
| 4:4000 | F:251~300 | L:551~600 | R:851~900 | |||||
| A:0~50 | G:301~350 | M:601~650 | S:901~950 | |||||
| B:51~100 | H:351~400 | N:651~700 | T:951~999 | |||||
SPECIFICATION 0201(0603)
| Part Number | Resistance(25°C)(Ω) | B-constant(25°C/85°C)(K) | B-constant(25°C/50°C)(K) | Maximum Power Rating(mW) | Dissipation Constant(mW/°C) | Operating Temp. Range(°C) |
|---|---|---|---|---|---|---|
| EWTF01-103□3I-N | 10,000 |
3435 |
– | 100 | 1 | -40~125 |
|
EWTF01-473□4B-N |
47,000 |
4100 | – | |||
|
EWTF01-683□4E-NA |
68,000 |
4250 |
||||
|
EWTF01-104□4E-NA |
100,000 |
4250 |
Remark：
1. □ – Resistance Tolerance : F=±1% ; G=±2% ; H=±3% ; J =±5 % ; K=±10%.
2. Maximum Power Rating = Dissipation Constant × ( Max. Operation Temperature – 25°C).
※ Please inquire to our sales for other specifications
SPECIFICATION 0402(1005)
| Part Number | Resistance(25°C) (Ω) | B-constant(25°C/85°C) (K) | Maximum Power Rating(mW) | Dissipation Constant(mW/°C) | Operating Temp. Range(°C) |
|---|---|---|---|---|---|
| EWTF02-102□4B-N | 1,000 | 4100 | 250 | 2.5 | -40~125 |
| EWTF02-202□4K-N | 2,000 | 4520 | |||
| EWTF02-103□3I-N | 10,000 | 3435 | |||
| EWTF02-103□3R-N | 10,000 | 3900 | |||
| EWTF02-103□4B-N | 10,000 | 4100 | |||
| EWTF02-473□4A-N | 47,000 | 4050 | |||
| EWTF02-683□4C-N | 68,000 | 4150 | |||
| EWTF02-104□4A-N | 100,000 | 4050 | |||
| EWTF02-104□4F-N | 100,000 | 4300 | |||
| EWTF02-474□4A-N | 470,000 | 4050 |
Remark：
1. □ – Resistance Tolerance : F=±1% ; G=±2% ; H=±3% ; J =±5 % ; K=±10%.
2. Maximum Power Rating = Dissipation Constant × ( Max. Operation Temperature – 25°C).
※ Please inquire to our sales for other specifications
SPECIFICATION 0603(1608)
| Part Number | Resistance(25°C) (Ω) | B-constant(25°C/85°C) (K) | Maximum Power Rating(mW) | Dissipation Constant(mW/°C) | Operating Temp. Range(°C) |
|---|---|---|---|---|---|
| EWTF02-102□4B-N | 1,000 | 2950 | 350 | 3.5 | -40~125 |
| EWTF03-202□4C-N | 2,000 | 4150 | |||
| EWTF03-332□3C | 3,300 | 3150 | |||
| EWTF03-332□3F-N | 3,300 | 3300 | |||
| EWTF03-472□3G-N | 4,700 | 3340 | |||
| EWTF03-502□3G-N | 5,000 | 3340 | |||
| EWTF03-682□3I-N | 6,800 | 3435 | |||
| EWTF03-103□3I-N | 10,000 | 3435 | |||
| EWTF03-103□3K-N | 10,000 | 3550 | |||
| EWTF03-103□3T-N | 10,000 | 3970 | |||
| EWTF03-223□3R-N | 22,000 | 3900 | |||
| EWTF03-473□3S-N | 47,000 | 3950 | |||
| EWTF03-473□4A-N | 47,000 | 4050 | |||
| EWTF03-503□4A-N | 50,000 | 4000 | |||
| EWTF03-104□3S-N | 100,000 | 3950 | |||
| EWTF03-104□4A-N | 100,000 | 4050 | |||
| EWTF03-104□4H-N | 100,000 | 4400 | |||
| EWTF03-154□4L-N | 150,000 | 4600 | |||
| EWTF03-204□4B-N | 200,000 | 4055 | |||
| EWTF03-224□4B-N | 220,000 | 4055 | |||
| EWTF03-334□4B-N | 330,000 | 4100 | |||
| EWTF03-474□4B-N | 470,000 | 4100 | |||
| EWTF03-564□4B-N | 560,000 | 4100 |
Remark：
1. □ – Resistance Tolerance : F=±1% ; G=±2% ; H=±3% ; J =±5 % ; K=±10%.
2. Maximum Power Rating = Dissipation Constant × ( Max. Operation Temperature – 25°C).
※ Please inquire to our sales for other specifications
SPECIFICATION 0805(2012)
| Part Number | Resistance(25°C) (Ω) | B-constant(25°C/85°C) (K) | Maximum Power Rating(mW) | Dissipation Constant(mW/°C) | Operating Temp. Range(°C) |
|---|---|---|---|---|---|
| EWTF05-472□3I-N | 4,700 | 3435 | 400 | 4 | -40~125 |
| EWTF05-502□3I-N | 5,000 | 3435 | |||
| EWTF05-103□3I-N | 10,000 | 3435 | |||
| EWTF05-103□3K-N | 10,000 | 3550 | |||
| EWTF05-103□3T-N | 10,000 | 3970 | |||
| EWTF05-223□3R-N | 22,000 | 3900 | |||
| EWTF05-473□4A-N | 47,000 | 4000 | |||
| EWTF05-503□4A-N | 50,000 | 4000 | |||
| EWTF05-104□4A-N | 100,000 | 4000 | |||
| EWTF05-204□4B-N | 200,000 | 4100 |
Remark：
1. □ – Resistance Tolerance : F=±1% ; G=±2% ; H=±3% ; J =±5 % ; K=±10%.
2. Maximum Power Rating = Dissipation Constant × ( Max. Operation Temperature – 25°C).
※ Please inquire to our sales for other specifications