Walter Small Volume Alloy Resistor MSTC Series Selection Manual and Purchase Address: Click on the image to enter
The Huade Walter electronic ultra-thin alloy resistance MSTC series adopts the FR4 process. The minimum volume of the Walter electronic SMT alloy resistor MSTC series can reach 02010402 or higher. The ultra-low resistance alloy resistor is suitable for products such as mobile phones, tablets, Bluetooth, etc. The following is an explanation of the parameters of the Walter small volume alloy resistor MSTC series.
The Suzhou Walter Electronic Walter alloy current detection resistor MSTC series has the following advantages:
1. Wide range of volume options: 0201,0402,0603,0805,1206
2. Wide range of resistance options: 0.001R~0.05R
3. Wide range of power options: 0.25W~1W
4. High accuracy: △ ≤ 1%
5. Low temperature coefficient: TCR ＜ 50ppm/℃
6. High frequency response: H ＜ 5.0nH
7. Excellent low galvanic effect (EMF<0.5uV/℃)
8. How to use RoHS and REACH halogen-free standards
9. The anti welding layer complies with UL94-V0 level
10. Low inductance (<0.05uH 10MHz)
11. Process: FR4
The Naming convention of Suzhou Walter Electronic Walter alloy current detection resistance MSTC series are as follows:
| MSTC | 1206 | M | 1W0 | R005 | F | S |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
1: Product series: MHTC series, metal ceramic alloy current detection resistor, short electrode, two terminals, No lateral guide.
2: Volume: 1206=3216=3.3 * 1.7mm
3: Material: M=Manganese copper alloy=MnCu alloy
4: Power: 1W0=1.0Watt
5: Resistance value: R005=0.005R=5mR
6: Accuracy: F=1%, J=5%
8: Product code: internal code or custom code
The selection parameters of the MSTC series of Suzhou Huade Electronics Walter alloy current detection resistors are shown in the table below:
|
Part Number |
Resistance Value (mΩ) |
Power Rating (Watt) |
Resistance Tolerance (%) |
TCR (ppm/℃) |
| MSTC0201MW20R | Consulting sales | 0.2 | ±1%（F） | ±150ppm |
| Consulting sales | 0.2 | ±0.5%（D）±1%（F） | ±100ppm | |
| MSTC0402MW33R | 2.5~3 | 0.33 | ±0.5%（D）±1%（F） | ±150ppm |
| 5~25 | 0.33 | ±100ppm | ||
| MSTC0402MW25R | 40~50 | 0.25 | ±1%（F） | ±100ppm |
| MSTC0603MW33R | 2 | 0.33 | ±0.5%（D）±1%（F） | ±150ppm |
| 2.5~5 | 0.33 | ±100ppm | ||
| 6~20 | 0.33 | ±75ppm | ||
| MSTC0805MW50R | 1 | 0.5 | ±1%（F） | ±150ppm |
| 1.5 | 0.5 | ±100ppm | ||
| 2~5 | ±75ppm | |||
| 6~20 | ±50ppm | |||
| MSTC1206M1W0R | 1~4 | 1 | ±1%（F） | ±75ppm |
| 5~20 | 1 | ±50ppm |
Walter alloy current detection resistor MSTC functional characteristics:
|
Parameter |
Conditions |
Consent Standard |
|
Short time over load |
Power=2.5*Pr ; T=25±2℃ ; t=5s |
± (1.0%+0.5mΩ) IEC60115-1 4.13
|
|
High temp. exposure |
T=+155±2℃; t=1,000hrs |
± (1.0%+0.5mΩ) IEC60115-1 4.25 |
|
Low temp. load life |
T=-55±2℃ ; t=1,000hrs |
± (1.0%+0.5mΩ) IEC60115-1 4.25 |
|
Moisture load life |
Vtest=Vmax, ton=90min,toff=30min, T=60±2℃,RH=95%,1,000hrs |
± (2.0%+0.5mΩ) IEC60115-1 4.25 |
|
Thermal shock |
[-55℃ 30min→ R.T. 3min→ +150℃ 30min→ R.T. 3min] by 100 Continuous Cycles |
± (1.0%+0.5mΩ) IEC60115-1 4.19 |
|
Load life at 70℃ |
Vtest=Vmax ; T=70±2℃ ; t=90min On t=30min Off; 1,000hrs |
± (2.0%+0.5mΩ) IEC60115-1 4.25 |
|
Solderability |
Dipped into solder at 245±5℃ for 3±1s |
The covered area >95% IEC60115-1 4.17 |
|
Resistance to solder heat |
20±1s at 275±5℃ |
±（1%＋0.5mΩ） IEC60115-1 4.18 |
|
Substrate bending |
Span between fulcrums: 90mm; Bend width: 2mm; Test board: Glass-epoxy board, Thickness=1.6mm by 10 continuous cycles |
±（1%＋0.5mΩ） IEC60115-1 4.33 |
|
Mechanical shock |
a=100G for 11ms, 5 Pulse |
±（1%＋0.5mΩ） IEC60115-1 4.21 |
