参数资料
| 型号： | CRM2512-FX-R750ELF |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/3页 |
| 文件大小： | 0K |
| 描述： | RES .750 OHM 2W 1% 2512 SMD |
| 标准包装： | 4,000 |
| 系列： | CRM2512 |
| 电阻（欧姆）： | 0.75 |
| 功率（瓦特）： | 2W |
| 复合体： | 厚膜 |
| 特点： | 电流感应，脉冲耐受 |
| 温度系数： | ±100ppm/°C |
| 容差： | ±1% |
| 封装/外壳： | 2512（6432 公制） |
| 尺寸/尺寸： | 0.248" L x 0.122" W（6.30mm x 3.10mm） |
| 高度： | 0.032"（0.80mm） |
| 端子数： | 2 |
| 包装： | 带卷 (TR) |
Features
■ Thick ?lm technology
■ Power rating of 2 watts at 70 °C
Applications
■ Power supplies
■ Stepper motor drives
■ RoHS compliant*
CRM2512 - Pulse Resistant Power Resistor
Electrical Characteristics
General Information
Characteristic
Power Rating @ 70 °C
Operating Temp. Range
Derated to Zero Load at
Maximum Working Voltage
Model
CRM2512
(0.110 to 0.91 Ω)
1349 mV
Model
CRM2512
(0 Ω, 1.0 Ω to 1.0 M Ω)
2W
-55 °C to +155 °C
+155 °C
300 V
The Bourns ? CRM2512 Series is a
thick- ?lm power resistor with a rating of
2 watts in a standard 2512 chip format.
This product has a very wide resistance
range making it suitable for different
applications in power supply circuits
including current sensing and inrush
current limiting.
Maximum Overload Voltage
Insulation Resistance
2698 mV
> 1000 M Ω
600 V
Characteristic Data
Resistance Range
Resistance Tolerance
Temperature Coef?cient
0.110 - 0.91 Ω
(E24 Values)
±1 % & ±5 %
±100 PPM/°C
0 Ω,
1.0 - 1 M Ω
(E24 Values)
±5 %
±200 PPM/°C
1 Ω - 9.1 Ω
(E24 Values)
10 Ω - 1 M Ω
(E96 Values)
±1 %
±100 PPM/°C
Test
Load Life (1000 hours)
1 % Tolerance
5 % Tolerance
Short Term Overload
Δ R Max.
<1%
<3%
Notes:
(1) CRM2512 2 W loading with total solder pad and trace size of 300 mm 2 .
(2) E = (PxR) 1/2
E: Working Voltage (V); P: Rated Power (W); R: Resistance Value ( Ω )
(3) Jumper (0 Ω ): Rated current 6 A maximum with 300 mm 2 pad.
Soldering Pro?le
250
Peak 260 +5/-0 °C
230 °C or higher
1 % Tolerance
5 % Tolerance
Thermal Shock
1 % Tolerance
5 % Tolerance
Product Dimensions
6.3 ± 0.20
(0.248 ± 0.008)
TOP SIDE
<1%
<2%
< 0.5 %
<1%
3.1 ± 0.20
(0.122 ± 0.008)
200
180 °C
Pre-heating Zone
150
100
50
150 °C
90 ± 30 seconds
30 ± 10 seconds
Heating Time
Soldering Zone
0.6 ± 0.20
(0.024 ± 0.008)
1.8 ± 0.20
(0.070 ± 0.008)
0.6 ± 0.20
(0.024 ± 0.008)
Recommended Solder Pad Layout
Derating Curve
100
7.6
(.299)
2.45
(.096)
3.7
(.146)
-55
70
155
Ambient Temperature (°C)
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
Users should verify actual device performance in their speci?c applications.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
相关PDF资料 |
PDF描述 |
|---|---|
| CRM2512-FX-R680ELF | RES .680 OHM 2W 1% 2512 SMD |
| CRM2512-FX-R510ELF | RES .510 OHM 2W 1% 2512 SMD |
| RVC2010FT95K3 | RES TF 1/2W 95.3K OHM 1% 2010 |
| RVC2010FT9M09 | RES TF 1/2W 9.09M OHM 1% 2010 |
| CSRN2010FKR294 | RES .294 OHM 1W 1% 2010 SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CRM2512FXR820ELF | 功能描述:厚膜电阻器 - SMD 0.820 OHM 1% 100PPM RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
| CRM2512-FX-R820ELF | 功能描述:厚膜电阻器 - SMD RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
| CRM2512FXR910ELF | 功能描述:厚膜电阻器 - SMD 0.910ohms 1% +/-100PPM RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
| CRM2512-FX-R910ELF | 功能描述:厚膜电阻器 - SMD 0.910ohms 1% +/-100PPM RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
| CRM2512-FZ-R047ELF | 功能描述:厚膜电阻器 - SMD CHIP RESISTOR - Low Value RoHS:否 制造商:Bourns 电阻:1.5 Ohms 容差:1 % 功率额定值:25 W 电压额定值:250 V 外壳代码 - in: 外壳代码 - mm: 端接类型:SMD/SMT 温度系数:100 PPM / C 系列:PWR163 工作温度范围:- 55 C to + 155 C 封装:Tube |
发布紧急采购，3分钟左右您将得到回复。