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参数资料
| 型号： | PCF0603R-2K49BT1 |
| 厂商： | TT Electronics/Welwyn |
| 文件页数： | 3/5页 |
| 文件大小： | 0K |
| 描述： | RES 2.49K OHM 1/16W 0603 0.1%SMD |
| 标准包装： | 1 |
| 系列： | PCF |
| 电阻（欧姆）： | 2.49k |
| 功率（瓦特）： | 0.063W，1/16W |
| 复合体： | 金属薄膜 |
| 温度系数： | ±25ppm/°C |
| 容差： | ±0.1% |
| 封装/外壳： | 0603（1608 公制） |
| 尺寸/尺寸： | 0.063" L x 0.031" W（1.60mm x 0.80mm） |
| 高度： | 0.022"（0.55mm） |
| 端子数： | 2 |
| 包装： | 标准包装 |
| 其它名称： | 985-1269-6 |
Film
Precision Thin Surface Mount Resistors
Nichrome Chip Resistors
PCF Series
PCF Series
Physical Data
Dimensions (mm) and Weight
L
W
T max
A
C
Wt
0201
0.58 0.05
0.29
0.05
0.26
0.15
0.05
0.12
0.05
1
C
A
0402
0603
0805
1206
1210
2010
2512
1.0
1.6
2.0
3.05
3.10
4.9
6.3
0.05
0.2
0.2
0.15
0.15
0.2
0.2
0.5
0.8
1.25
1.55
2.4
2.4
3.1
0.05
0.2
0.2
0.15
0.15
0.2
0.2
0.40
0.55
0.65
0.65
0.50
0.65
0.65
0.2
0.3
0.4
0.35
0.55
0.5
0.5
0.1
0.2
0.25
0.25
0.25
0.25
0.25
0.2
0.3
0.3
0.42
0.4
0.6
0.6
0.1
0.2
0.2
0.2
0.2
0.3
0.3
3
6
9
20
25
36
55
A
L W
Wrap-around terminations
(3 faces)
T
Construction
A thin-film material is selectively deposited on a 96% alumina substrate together with metallic contacts at each end of the resistor.
The unadjusted resistors are heat treated to give the required TCR and stability, then a precisely controlled laser trim process adjusts
the resistance value. Epoxy protection is applied and wrap-around terminations are added and plated with Nickel then Tin. Each
resistor is measured immediately before packing into tape.
Terminations
The chips are supplied with 100% Sn matte plated wrap-around terminations suitable for soldering.
Performance Data - Standard Range
Test Parameters
Conditions
Maximum change (+0.05R)
>0.05% tolerance
0603 to 2512
Chip size
0201, 0402
≤ 0.05% tolerance
0603 to 2512
Load life
Humidity
Short term overload
High temperature operation
Temperature cycle
Resistance to solder heat
Solderability
1000 hours rated load @ 70°C
1000 hours @ 40°C, 90 - 95%RH
6.25 x rated Power , or 2 x LEV, for 5 sec
1000 hours at 125°C
5 cycles -55 C, 125°C
270°C, 10 sec
235°C, 2 sec
0.25%
0.3%
0.5%
0.25%
0.1%
0.2%
0.5%
0.3%
0.5%
0.25%
0.1%
0.2%
95% minimum coverage
0.05%
0.05%
0.05%
0.25%
0.05%
0.05%
Performance Data - High Power Range/Extended High Power Range
Test Parameters
Load life
Humidity
Short term overload
High temperature operation
Temperature cycle
Resistance to solder heat
Solderability
Conditions
1000 hours rated load @ 70°C
1000hrs @ 40°C, 90 - 95%RH
6.25 x rated Power, or 2 x LEV, for 5 sec
1000 hours at 155°C
5 cycles -55°C, 150°C
270°C, 10 sec
235°C, 2 sec
Maximum change (+0.05R)
0.5%
0.5%
0.5%
0.5%
0.25%
0.2%
95% minimum coverage
Performance Data - Passivated Range
Test Parameters
Conditions
Maximum change (+0.05R)
0603 to 2512
0402
Load life
Humidity
Short term overload
High temperature operation
Temperature cycle
Resistance to solder heat
1000 hours rated load @ 70°C
1000hrs @ 40°C, 90 - 95%RH
6.25 x rated Power, or 2 x LEV, for 5 sec
1000 hours at 125°C
5 cycles -55 C, 125°C
270°C, 10 sec
0.05%
0.05%
0.02%
0.05%
0.02%
0.02%
0.25%
0.5%
0.1%
0.5%
0.1%
0.1%
Solderability
235°C, 2 sec
95% minimum coverage
Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com
? General Note
Welwyn Components Limited Bedlington Northumberland NE22 7AA, UK
TT electronics reserves the right to make changes in product specification without notice or liability.
03.11
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
? TT electronics plc
1.14
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