M ½ ½ ½ ½ ½ ½ ½ ½ , ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ .
S ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ , ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ .
C ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½
½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½
订 货 方 式
H O W T O O R D E R
A
08
4
7
2
/
J
电路结构代码
C ½ ½ ½ ½ ½ ½ ½ C ½ ½ ½
A
B
C
D
E
F
G
H
T
引脚数
N½½½½½ ½½
½½½½
电 阻 值 代 号1
R ½ ½ ½ ½ ½ ½ ½ ½ ½ V ½ ½ ½ ½ C ½ ½ ½ 1
三½数(E—24系列):
前两½表示有效数字, 第三½
表示有效数字后零的个数
T½½½½ ½½½½½½ (E-24 ½½½½½½):
T½½ ½½½½½ ½½½ ½½½½½½ ½½½
½½½½½½½½½½½ ½½½½½½½ ½½½
½½½ ½½½½½ ½½½ ½½½½½½½
½½½½½½ ½½ ½½½½½.
电 阻 值 代 号
2
R ½ ½ ½ ½ ½ ½ ½ ½ ½ V ½ ½ ½ ½ C ½ ½ ½ 2
½表示A、B、C、D、G型产品
时,该部分无表示。
½表示E、F、H、T型产品时,
该部分表示法与“电阻值代号1”
相同。
W½½½ ½½ ½½ ½½½ ½½½½ ½½ A,B,C,
D ½½ G, ½½½½½ ½½ ½½ ½½½½.
W½½½ ½½ ½½ ½½½ ½½½½ ½½ E,F,H ½½
T, ½½½ ½½½½½½½½½½ ½½ ½½½½ ½½
“R½½½½½½½½½
V½½½½ C½½½½”.
脚距代号
C½½½ ½½ ½½½ ½½½½½½½½
无表示
N ½ ½ ½ ½ ½
(0.07)
2.54½½
1.778½½
04 ̄14
电阻值误差精度代号
R½½½½½½½½½ T½½½½½½½½ C½½½
代 号
C½½½
F
G
J
误差精度
T½½½½½½½½
±1
%
±2
%
±5
%
≤5
0 ½Ω
结 构 图 和 外 ½ 尺 寸
C O N S T R U C T I O N A N D D I M E N S I O N S
单 ½
½ ½ ½ ½ : ½ ½
代号
C½½½
½
常规尺寸
N½½½½½ ½½½½½½½½½
2 . 5 4×( ½ - 1 ) + 2 . 5 ½ ½ ½
A、B、C、D、
E、F、G、H
型
T ½ ½ ½
型
T ½ ½ ½
T
½
½
½
½
½
½
3.00½½½
0 . 5 0±0 . 1
3 . 5 0±0 . 5
0 . 2 5±0 . 1
2 . 5 4×( ½ - 1 )±0 . 3
2 . 5 4±0 . 1
5.08½½½
8.50½½½
特殊尺寸
S½½½½½½ ½½½½½½½½½
1 . 7 7 8×( ½ - 1 ) + 1 . 5 ½ ½ ½
A、B、C、D、
E、F、G、H
型
T ½ ½ ½
T
型
T ½ ½ ½
3.00½½½
0 . 5 0±0 . 1
3 . 5 0±0 . 5
0 . 3 0±0 . 1
1 . 7 7 8×( ½ - 1 )±0 . 3
1 . 7 7 8±0 . 1
A
472J
½
J (跨接电阻
J½½½½½)
外包封 O½½½½ ½½½½½½½
导½ C½½½½½½½½
基片 C½½½½½½ ½½½½½½½½½
电阻½/保护层
R½½½½½½½½½/
P½½½½½½½½½ ½½½½½½½
引脚 L½½½ ½½½
注:½色点标记为第一脚
N½½½: T½½ ½½½½½ ½½½ ½½½½½ ½½½ ½½½½½ ½½½.
½
A
472
5.08½½½
8.50½½½
½
½
½
端1
½
½
端½
½
½
1
· ç » ª ¸ ß ¿ Æ
等 效 电 路
E Q U I V A L E N T C I R C U I T
型
号
T½½½
等
效
电
路
E ½ ½ ½ ½ ½ ½ ½ ½ ½ C ½ ½ ½ ½ ½ ½
型
号
T½½½
等
效
电
路
E ½ ½ ½ ½ ½ ½ ½ ½ ½ C ½ ½ ½ ½ ½ ½
R
1
A
1
2
R
2
R
½
B
3
R
1
=R
2
=……=R
½
½+1
1
R
1
R
2
2
3
4
R
½
2½
R
1
=R
2
=……=R
½
C
R
1
R
2
½
R
½
½+1
D
R
1
1
R
2
2
R
½-1
R
½
½
½+1
_
½
2
+1
1
2
R
1
=R
2
=……=R
½
R
1
=R
2
=……=R
½
E
R
1
R
2
1
2
3
4
5
R
1
R
2
½-1 ½
R
1
R
2
F
R1
R2
1
R2
2
R1
R2
3
R
1
=R
2
或R
1
≠R
2
½-1
R1
½
R
1
=R
2
或R
1
≠R
2
G
H
R1
R
1
R
2
R
½
R2
1
T
2
3
R
1
=R
2
=……=R
½
½+1
½+2
1
2 3
R2
R1
R2
4 5
R
1
=R
2
或R
1
≠R
2
R1
½ ½+1
R
2
R
1
2
R
2
R
1
R
2
R
1
R
1
1
3
½+1
R
1
=R
2
或R
1
≠R
2
参 考 标 准
R E F E R E N C E S T A N D A R D
G B / T 5 7 2 9 - 9 4
G B 7 3 3 8 - 8 7
J I S C 5 2 0 2 - 1 9 8 5
2
º Ä Í ø µ × Æ ÷
ñ ¤ Â ç ç è
T H I C K F I L M N E T W O R K R E S I S T O R
I E C E - 2 4
系 列 电 阻 值 代 码 对 照 表
I E C E - 2 4 S ½ ½ ½ ½ ½ R ½ ½ ½ ½ ½ ½ ½ ½ ½ C ½ ½ ½ ½ - ½ ½ ½ ½ ½ ½ ½ ½ ½ L ½ ½ ½
E - 2 4
系 列
E - 2 4 S ½ ½ ½ ½ ½ (×1 0
Ω )
( 单 ½½
½ ½ ½ : 1Ω
、1
0Ω
、1
0 0Ω
、1
KΩ
、1
0 KΩ
、1
0 0 KΩ
、1
MΩ
)
1.0
1.1
1.2
1.3
1.5
1.6
1.8
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
½
负 荷 下 降 曲 线
D E R A T I N G C U R V E
-55℃
P ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½
100
75
50
25
70℃
½用温度范围
O½½½½½½½½
T½½½½½½½½½½ R½½½½
-55℃ ̄125℃
额定负荷百分比
-75
-50
-25
0
25
50
75
100
125
150
环 境 温 度A
½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ (℃)
½ 电 阻 ½ 用 的 环 境 温 度 超 过7
0℃
时 , 其 额 定 负 荷(额 定 功 率 或 额 定 电 流)按 上 述 曲 线 下 降 。
F ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ 7 0℃, ½ ½ ½ ½ ½ ½ ½ ½ ½ ( ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ) ½ ½ ½ ½ ½ ½ ½
½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ .
From the official Python blog: https://blog.python.org/2020/04/python-2718-last-release-of-python-2.htmlPython 2.7.18 is the last release of Python 2.7 and the last release of Python 2. It's time to s...
Piranha LED products have many advantages. Since the bracket used by Piranha LED is made of copper and has a large area, it has fast heat transfer and heat dissipation. After the LED is lit, the heat ...
[i=s]This post was last edited by ylyfxzsx on 2022-11-2 11:20[/i]I have been working in the embedded industry for many years and have always heard of Renesas MCUs. However, in my actual work, I have a...
What happens when an operational amplifier is used to form a loop with an absolute value of amplification less than 1? An op amp with internal compensation and constant GBP can ensure circuit stabilit...
Resistors explained in detail Resistance The resistance of the conductor to the current is called resistance, which is represented by the symbol R. The units are ohms, kilohms, and megohms, which are ...
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
On August 22, Lantu Motors officially launched its Lanhai Intelligent Hybrid technology via an online livestream. This intelligent hybrid technology, which integrates a full-range 800V high-voltage...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
Previously, Positive Motion Technology shared with you the firmware upgrade of motion controller, ZBasic program development, ZPLC program development, communication with touch screen and input/out...[Details]
introduction
In recent years, multi-touch has emerged as a new alternative to traditional human-computer interaction. It eliminates the need for keyboards and mice, enabling simultaneous inter...[Details]
introduction
The widespread use of air conditioner communication circuits began with the rise of household inverter air conditioners. With China's energy conservation and emission reduction in...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
Keysight Technologies reported strong third-quarter results, with revenue and earnings per share exceeding expectations and steady order growth. The company, driven by strong growth across multiple...[Details]
When we pick up an unfamiliar object, the first thing we want to know is what it actually does. A drive shaft, as the name suggests, is a shaft that transmits power. It's the transmission medium th...[Details]
In industrial production, many different controllers are often used, such as those for pressure, flow, electrical parameters, temperature, and sound. However, due to the limitations of the on-site ...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
With the global number of new energy vehicles expected to exceed 45 million by 2025, the performance boundaries of battery management systems are being reshaped.
Infineon Technologies
'
...[Details]