The Sart pure metal alloy resistance SMR series uses plastic sealing technology, also known as plastic sealing alloy resistance. The main characteristics of the Sart pure metal alloy resistance SMR series are as follows: 1. High power under the same reference range (up to 3W), 2. Complete resistance values (1m Ω~500m Ω), 3. High precision, with a maximum accuracy of 0.5%. This article provides a detailed introduction to the selection parameters of the Sart pure metal alloy resistance SMR series.
The main product characteristics of the Sart pure metal alloy resistance SMR series are as follows:
1. Volume packaging: 12062512
2. High power: 1W, 2W, 3W
3. High precision: The highest accuracy can reach 0.5%
4. Low temperature ticket
5. Low inductance
5. Low thermal electromotive force effect
6. Halogen free and lead-free
Appearance parameters of Sart pure metal alloy resistance SMR series:
| Type | Resistance (mΩ) |
L (mm) |
W (mm) |
T (mm) |
E (mm) |
|---|---|---|---|---|---|
| 2512 | 1≤R＜3 | 6.40±0.20 |
3.20±0.20 |
0.80±0.20 |
2.00±0.20 |
| 3≤R≤500 | 1.00±0.30 | ||||
|
1206 |
2~30 | 3.20±0.20 |
1.60±0.20 |
0.70±0.20 |
0.50±0.30 |
|
2512(long Electrode) |
3~4 | 6.40±0.20 |
3.20±0.20 |
0.60±0.20 |
2.00±0.20 |
The electrical parameter specifications for the product selection of Sart pure metal alloy resistance SMR series are as follows:
| Part Number | Power Rating at 70℃(W) | Resistance Range(mΩ) | TCR(ppm/℃) | Resistance Tolerance | Operation Temp. Range |
|---|---|---|---|---|---|
| 2512 | 2.0、3.0 | 1 |
±100 |
±0.5%（D） |
-55℃~+170℃ |
| 2.0 | 1.5~500 | ±50 | |||
| 3.0 | 1.5~300 | ±50 | |||
| 1206 | 1.0 | 2~30 | ±50 |
±0.5%（D） |
|
|
2512(Long Electrode) |
3.0 | 3~4 | ±50 |
±5%（J） ±2%(G) |
The above are the main electrical parameters and characteristics of the Sart pure metal alloy resistance SMR series products. If you need to learn more about product characteristics, such as temperature characteristics, surge resistance characteristics, etc., or if you need to order products, please consult online customer service.
