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MF1/4ECM12.5R2943C

Fixed Resistor, Metal Film, 0.25W, 294000ohm, 250V, 0.25% +/-Tol, -25,25ppm/Cel,

器件类别:无源元件    电阻器   

厂商名称:KOA(兴亚)

器件标准:

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器件参数
参数名称
属性值
是否Rohs认证
符合
Objectid
760689742
Reach Compliance Code
compliant
Country Of Origin
Japan, Mainland China, Taiwan
ECCN代码
EAR99
YTEOL
7
构造
Cylindrical
JESD-609代码
e2
引线直径
0.6 mm
端子数量
2
最高工作温度
155 °C
最低工作温度
-55 °C
封装直径
2.3 mm
封装长度
6.3 mm
封装形状
CYLINDRICAL PACKAGE
封装形式
Axial
包装方法
Bulk
额定功率耗散 (P)
0.25 W
电阻
294000 Ω
电阻器类型
FIXED RESISTOR
系列
MF
技术
METAL FILM
温度系数
25 ppm/°C
端子面层
Tin/Copper (Sn/Cu) - hot dipped
容差
0.25%
工作电压
250 V
文档预览
RESISTORS
RESISTORS
METAL FILM
STanDaRD
MF • MFP
STRUCTURE
1
2
3
4
5
6
7
Ceramic core
Trimmed metal film
Steel cap
(Cu, Sn plated)
Lead wire
Welding joint
Epoxy resin overcoating
Marking
IDEnTIFICaTIOn
PRODUCT CODE
MF
MFP
COaTIng COLOR
Light Grey
Light Blue
*
MaRKIng
Color Code
(R-value and tolerance)
all these products have Pb-free terminations and
meet EU-RoHS and China-RoHS requirements
TYPE DESIgnaTIOn (HOW TO ORDER)
MF
PRODUCT
CODE
MFS, MF,
MFP
1/4
POWER RATING
Unit: Watt
D
T .C .R .
E: ±25ppm/K
C: ±50ppm/K
D: ±100ppm/K
L: ±200ppm/K
C
TERMINATION
SURFACE
MATERIAL
C: SnCu
T52
TAPING &
FORMING
a
PACKAGING
A: Ammo
R: Reel
1002
NOMINAL
RESISTANCE
B,C,D,F: 4 digits
G: 3 digits
F
RESISTANCE
TOLERANCE
B, C, D, F, G
Contact us when you have control request for environmental hazardous
material other than the substance specified by EU-RoHS
Contact our sales representatives before you use our products for applications including
automotives, medical equipment and aerospace equipment. Malfunction or failure of the
products in such applications may cause loss of human life or serious damage .
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
*Please see “PACKAGING”
FEaTURES
High precision and low T.C.R. metal film resistor
Automatic insertion is applicable
Various formings are available
Excellent long term stability
MFP = Flame retardant coating
MFS = Reduced size
Meets or exceeds IEC 60115-1, JIS C 5201-1, EIAJ RC-2137 (MF-series)
Rated ambient temperature: +70°C
Operating temperature range: -55°C ... +155°C
DIMEnSIOnS (mm)
TYPE
MFS 1/4
MF 1/4
MFP 1/4
MF 1/2
MFP 1/2
MF 1
L
3.2 ± 0.2
6.3 ± 0.5
6.5 ± 0.5
9.0 ± 1.0
9.5 ± 1.0
15.5 ± 1.0
C Max.
3.4
7.1
11.1
12
18.3
øD
1.7
+0.2
- 0.1
ø d (nom.)
0.45
0.60
0.8
l*
2.3 ± 0.3
3.5 ± 0.4
3.5 ± 0.5
5.5 ± 0.5
30 ± 3
38 ±
DERaTIng CURVE
* ead length changes depending on taping and forming type
L
RaTIng
DIn
SIZE
0204
TYPE
MFS 1/4 C C
MFS 1/4 D C
MF 1/4 E C
MF 1/4 C C
MF 1/4 D C
MF 1/4 L C
MF 1/2 E C
MF 1/2 C C
MF 1/2 D C
MF 1/2 L C
MF 1 E C
MFP 1/4 D C
MFP 1/2 D C
Ambient temperature (°C)
T.C.R.
(ppm/K)
C (± 50)
D (± 100)
E (± 25)
C (± 50)
D (± 100)
L (± 200)
E (± 25)
C (± 50)
D (± 100)
L (± 200)
E (± 25)
D (± 100)
POWER
RaTIng*
0.25 W
0.5 W
MaX.
WORKIng
VOLTagE
250 V
350 V
158 V
223 V
MaX.
OVERLOaD
VOLTagE
DIELECTRIC
WITH-
STanDIng
VOLTagE
RESISTanCE RangE
E24 • E96
B (±0.1%)
30.1Ω…750kΩ
E24 • E96
C (±0.25%)
30.1Ω…1MΩ
47.5Ω…1.5MΩ
47.5Ω…2.49MΩ
E24 • E192
D (±0.5%)
49.9Ω…562kΩ
30.1Ω…1MΩ
10Ω…2.21MΩ
47.5Ω…2MΩ
10Ω…5.05MΩ
47.5Ω…4.64MΩ
E24 • E96
F (±1%)
10Ω…1MΩ
30.1Ω…1MΩ
10Ω…2.21MΩ
1.0Ω…10Ω
47.5Ω…2MΩ
10Ω…4.99MΩ
10Ω…5.11MΩ
1.0Ω…10Ω
47.5Ω…5.11MΩ
10Ω…100kΩ**
E24
g (±2%)
_
0.51Ω…10Ω
0.51Ω…10Ω
500 V
700 V
395 V
557 V
300 V
500 V
0207
0411
0617
0207
0411
1W
0.25 W
0.5 W
700 V
500 V
47.5Ω…1MΩ
47.5Ω…2MΩ
* For resistors operated in ambient temperature over +70°C, power rating shall be derated like shown in above „DERATING CURVE“
** Please refer to „SNF“-series for other ohmic values.
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower.
z
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21 / 89 89-0 • FAX: +49 (0) 48 21/ 89 89 89 • Internet: www.koaeurope.de
106
Revision: 14. Dec. 2009
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