CRM2512-FX-2401ELF [BOURNS]
Fixed Resistor, Metal Glaze/thick Film, 2W, 2400ohm, 300V, 1% +/-Tol, -100,100ppm/Cel, 2512;
| 型号： | CRM2512-FX-2401ELF |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Fixed Resistor, Metal Glaze/thick Film, 2W, 2400ohm, 300V, 1% +/-Tol, -100,100ppm/Cel, 2512 电阻器 |
| 文件： | 总3页 (文件大小：269K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
Applications
■ Power supplies
■ Stepper motor drives
■ Thick film technology
■ Power rating of 2 watts at 70 °C
■ RoHS compliant*
CRM2512 - Pulse Resistant Power Resistor
Electrical Characteristics
General Information
The Bourns® CRM2512 Series is a thick-
Power Rating @ 70 °C
2 W
film 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.
Operating Temperature Range
Derated to Zero Load at
-55 °C to +155 °C
+155 °C
Maximum Working Voltage
0.047 to 0.91 ohms
3017 mV
600 V
1.0 ohm to 1.0 megohm
Insulation Resistance
Resistance Range
> 1000 megohms
0.047 - 0.91 ohm (E24 Values)
1.0 - 9.1 ohms (E24 Values)
Characteristic Data
10.0 ohms - 1 megohm (E24 + E96 Values)
Test
ΔR Max.
Resistance Tolerance
1 ꢀ% 5 ꢀ
Load Life (1000 hours)
1 ꢀ Tolerance
Temperature Coefficient
0.047 to 0.091 ohms
0.100 to 0.91 ohms
< 1 ꢀ
< 3 ꢀ
150 PPMꢁ°C
100 PPMꢁ°C
200 PPMꢁ°C
100 PPMꢁ°C
5 ꢀ Tolerance
Short Term Overload
1 ꢀ Tolerance
1.0 ohm to 1 megohm
10 ohms to 1 megohm
< 1 ꢀ
< 2 ꢀ
5 ꢀ Tolerance
For Standard Values Used in Capacitors% Inductors% and Resistors% click here.
Thermal Shock
1 ꢀ Tolerance
5 ꢀ Tolerance
< 0.5 ꢀ
< 1 ꢀ
Recommended Solder Pad Layout
L
B
Product Dimensions
6.3 0.20
(0.248 0.008)
MM
(INCHES)
DIMENSIONS:
A
3.1 0.20
(0.122 0.008)
TOP SIDE
Cu TRACE
SENSING TRACE
0.6 0.20
(0.024 0.008)
0.6 0.20
(0.024 0.008)
Model
A
B
L
3.7
(0.146)
2.45
(0.096)
2.7
(0.106)
CRM2512
1.8 0.20
(0.070 0.008)
Soldering Profile
Derating Curve
250
Peak 260 +5/-0 °C
2ꢀ0 °C or higher
100
200
150
100
Pre-heating Zone
180 °C
150 °C
90 ꢀ0 ꢁeꢂonꢃꢁ
-55
70
155
Ambient Temperature (°C)
ꢀ0 10 ꢁeꢂonꢃꢁ
Solꢃering Zone
50
Heating Time
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
CRM2512 - Pulse Resistant Power Resistor
Pulse Load Characteristics (R > 1 Ohm)
1000
100
10
1
0.0001
0.001
0.01
1.0
SURGE DURATION (S)
How to Order
CRM 2512 - F X - R100 E LF
Model
(CRM = Precision Chip Resistor)
Size
2512 = 2512 Size
Resistance Tolerance
• F = 1 ꢀ
• J = 5 ꢀ
TCR (PPM/°C)
• W = 2ꢁꢁ PPM/°C
• Z = 15ꢁ PPM/°C
• X = 1ꢁꢁ PPM/°C
Resistance Value
R <1 ohm (1 ꢀ or 5 ꢀ Tolerance: “R” (decimal point) followed by three significant digits (example: R1ꢁꢁ = ꢁ.1ꢁꢁ ohm
1ꢀ Tolerance:
<1ꢁꢁ ohms .......“R” represents decimal point (example: 24R3 = 24.3 ohms)
≥1ꢁꢁ ohms ......First three digits are significant, fourth digit represents number of zeros to follow
(example: 8252 = 82.5K ohms)
5ꢀ Tolerance:
<1ꢁ ohms .........“R” represents decimal point (example: 4R7 = 4.7 ohms)
≥1ꢁ ohms ........First two digits are significant, third digit represents number of zeros to follow
(example: 474 = 47ꢁK ohms)
Packaging
• E = 4ꢁꢁꢁ pieces on 18ꢁ mm (7 inch) reel
Termination
• LF = Tin-plated (RoHS Compliant)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
CRM2512 - Pulse Resistant Power Resistor
Packaging Dimensions (Conforms to EIA RS-481A)
1.7ꢂ 0.1
(0.069 0.0048
ꢂ.ꢂ 0.0ꢂ
(0.ꢀ17 0.00ꢀ8
PAPER TAPE
TOP TAPE
13.0 1.0
1.ꢂ +0.1/-0
(0.0ꢂ9 +0.004/-08
1.ꢂ
(0.0ꢂ98
DIA. MIN.
(0.ꢂ1ꢀ 0.0398
DIA.
DIA.
1ꢁ0 +0/-3
(7.09 +0/-0.11ꢁ8
1ꢀ.0 0.ꢀ
(0.47ꢀ 0.00ꢁ8
DIA.
60.0
(ꢀ.36ꢀ8
MIN.
DIA.
6.9 0.ꢀ
(0.ꢀ7ꢀ 0.00ꢁ8
RESISTOR
3.60 0.ꢀ0
(0.14ꢀ 0.00ꢁ8
4.0 0.0ꢂ
(0.1ꢂ7 0.00ꢀ8
ꢀ.0 0.0ꢂ
(0.079 0.00ꢀ8
4.0 0.1
(0.1ꢂ7 0.0048
0.ꢁꢂ 0.1ꢂ
(0.033 0.0068
USER DIRECTION OF FEED
1ꢂ.4 ꢀ.0
(0.606 0.0798
13.0 1.0
(0.ꢂ1ꢀ 0.0398
MM
DIMENSIONS:
(INCHES)
REV. 05/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
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