Matters needing attention in application of tantalum capacitor

Matters needing attention in application of tantalum capacitor

為了使鉭電解電容器以最穩(wěn)定的質(zhì)量充分發(fā)揮其性能，必須用適當(dāng)?shù)姆椒ㄊ褂?，使用前?qǐng)先確

In order to make the tantalum electrolytic capacitor in the most stable quality and give full play to its performance, it is necessary to use the appropriate method, please ensure that before use.

認(rèn)電容器的使用條件和規(guī)定的性能，必須遵守規(guī)格書上所規(guī)定的條件，如使用條件不符合規(guī)定范

The performance of recognition of capacitor using conditions and regulations, must comply with the required specifications on the conditions, such as the use of the conditions do not comply with the provisions.

圍或在未規(guī)定的條件下使用,請(qǐng)明確其條件與本公司商談。

Please specify the terms and conditions of the company to negotiate with the company.

1．設(shè)計(jì)電路

1 design circuit

1.1．使用電壓

1.1. use voltage

電容器的故障受到使用電壓和額定電壓的比率影響很大。設(shè)計(jì)實(shí)際電路時(shí)，請(qǐng)考慮到所要求的可

The fault of the capacitor is affected by the ratio of the voltage to the rated voltage. When designing the actual circuit, please take into account the requirements

靠性適當(dāng)降低電壓。

Depending on the proper reduction of voltage.

● 使用低阻抗電路時(shí)，請(qǐng)將使用電壓設(shè)定在額定電壓的 1／3 以下，使用其它電路時(shí)，請(qǐng)將使用電壓設(shè)立在額定電壓 2／3 以下。

The use of a low impedance circuit, please use the setting voltage at rated voltage of 1 / 3, the use of other circuits, please use the voltage set at rated voltage 2 / 3.

● 在低阻抗電路中并聯(lián)使用時(shí)，將增加直流浪涌電流失效的危險(xiǎn)，同時(shí)請(qǐng)注意并聯(lián)電容器中貯

The parallel use in low impedance circuit, will increase the risk of DC surge current failure at the same time, please note that the shunt capacitor in storage

存的電荷，通過(guò)其它電容器放電 。

Charge stored in the other capacitor.

● 鉭電容器在電路中，應(yīng)控制瞬間大電流對(duì)電容器的沖擊，建議串聯(lián)電阻以緩解這種沖擊。請(qǐng)

The tantalum capacitors in the circuit, we should control the instantaneous large current of capacitor series resistance to impact, suggestions to alleviate the impact. please

將3Ω／V以上的保護(hù)電阻器串聯(lián)在電容器上,以限制電流在300mA以下，無(wú)法插入保護(hù)電阻器時(shí)，

A protective resistor of 3 / V is connected in series to the capacitor to limit the current to the 300mA, which can not be inserted to protect the resistor,

請(qǐng)使用額定電壓的 1／3 以下的電壓。

Please use the voltage below 3 / 1 of the rated voltage.

1.2 反向電壓

1.2 reverse voltage

鉭電容器為極性電容器，所以請(qǐng)勿施加反向電壓，并且不可使用只有交流的電路。

Tantalum capacitor is a polar capacitor, so please do not apply reverse voltage, and can not use only the AC circuit.

● 若不得已的情況下，允許在短時(shí)間內(nèi)施加小量的反向電壓，其值為：

- if necessary, allow the reverse voltage applied amount in a short period of time, its value is:

25℃下：≤10％ UR 或 1V（取小者）

25 C: less than 10%UR or 1V (for small)

85℃下：≤5％UR 或 0.5V（取小者）

85 C: less than 5%UR or 0.5V (for small)

● 如果將電容器長(zhǎng)期使用在有反向電路中時(shí)，請(qǐng)選用無(wú)極性鉭電容器。

If the capacitor will be used for a long time in a reverse circuit, please use the non polar tantalum capacitors.

● 銀外殼非固體電解質(zhì)鉭電容器不能承受反向電壓。

The silver shell of non solid electrolyte tantalum capacitors cannot withstand reverse voltage.

● 原則上禁止使用萬(wàn)用表電阻檔對(duì)有鉭電容器的電路或電容器本身進(jìn)行不分極性的測(cè)試。

Prohibit the use of multimeter resistance profile of a circuit or capacitor tantalum capacitor itself without polarity test - principle.

● 在測(cè)量使用過(guò)程中，如不慎使鉭電容器承受了不應(yīng)有的反向電壓，請(qǐng)將該電容器報(bào)廢， 即使

In the measurement process, such as made of tantalum capacitors under a reverse voltage should not have, please the capacitor scrapped, even if

其各項(xiàng)電參數(shù)仍然合格。

The electrical parameters are still qualified.

1.3 紋波電壓

1.3 ripple voltage

請(qǐng)?jiān)陔娙萜饕?guī)定的容許紋波電壓內(nèi)使用。

Please use the allowable ripple voltage in the capacitor.

● 使用時(shí)，直流偏壓與交流分壓峰值之和不得超過(guò)電容器的額定電壓值。

- use, DC bias and AC voltage peak and shall not exceed the rated voltage of capacitor value.

● 交流負(fù)峰值與直流偏壓之和不超過(guò)電容器所允許的反向電壓值。

The AC and DC bias and negative peak value of the capacitor does not exceed the allowable value of reverse voltage.

● 紋波電流通過(guò)鉭電容器產(chǎn)生有功功率損耗，進(jìn)而電容器自身溫升導(dǎo)致的熱擊穿失效概率 增

The ripple current generated by the active power loss of tantalum capacitors, capacitors and its temperature rise caused by thermal breakdown failure probability

大，因此有必要對(duì)通過(guò)電容器的紋波電流或電容量允許的功率損耗進(jìn)行限制。

Large, therefore it is necessary to limit the power loss through the capacitor ripple current or capacitance.

1.4 使用環(huán)境溫度

1.4 using ambient temperature

請(qǐng)?jiān)陔娙萜鞯囊?guī)定使用溫度范圍內(nèi)使用。

Please use the temperature range in the provisions of the capacitor.

● 使用溫度超過(guò)＋85℃,請(qǐng)以降額電壓作為使用電壓，如下圖。

The use of temperature more than 85 DEG C, please refer to the voltage derating used as voltage, as shown below.

●溫度特性是鉭電容器的主要電氣特性之一，所以當(dāng)使用溫度變化顯著時(shí)，請(qǐng)?jiān)谄涫褂脺囟鹊纳稀?

The temperature characteristic is one of the main electrical properties of tantalum capacitors, so when using the temperature changes significantly, please in the use of temperature on,

下限確認(rèn)電路特性，下圖為代表例，不同品種請(qǐng)申請(qǐng)技術(shù)資料。

The lower limit to confirm the circuit characteristics, the following figure for example, different varieties please apply for technical information.

1 1.5 頻率特性

11.5 frequency characteristic

頻率在 10KHz 區(qū)域，電容器的電氣特性變化顯著，所以在使用高頻電路上時(shí)，請(qǐng)確認(rèn)電路特性，

Frequency in the 10KHz area, the electrical characteristics of the capacitor changes significantly, so when using the high frequency circuit, please confirm the circuit characteristics,

下圖所示為代表例，不同品種請(qǐng)申請(qǐng)技術(shù)資料。

As shown in the following example, different varieties, please apply for technical information.

1.6 可靠性

1.6 reliability

鉭電容器的失效率根據(jù)其使用條件（環(huán)境溫度、施加電壓、電路電阻、使用電路等）的不同而不

The failure rate of the tantalum capacitor varies according to the conditions of its application (such as ambient temperature, applied voltage, circuit resistance, use circuit, etc.)

同，所以請(qǐng)?jiān)诔浞盅杏懯褂脳l件后，選擇適當(dāng)產(chǎn)品。

In the same, so please choose the appropriate products after the full discussion of the conditions of use.

● 一般設(shè)計(jì)電容器時(shí)，以在＋85℃下連續(xù)施加額定電壓 1000 小時(shí)的失效率為基準(zhǔn)，在實(shí)際電路

The general design of the capacitor, in 85 C continuous rated voltage is applied to 1000 hours of failure rate as a benchmark, in the actual circuit

中往往存在防止電壓或電流的峰值沖擊及紋波電流或其它意外電沖擊的問(wèn)題，所以實(shí)際使用中的

It is often used in the actual use of the problem of preventing the peak shock of the voltage or current and the ripple current or other unexpected electric shock.

降額設(shè)計(jì)是必要的，建議一般降額至 65％VR 以下。

Drop design is necessary, it is recommended to reduce the amount to 65%VR.

● 使用于重視安全性設(shè)備時(shí)，為防止在使用中發(fā)生短路，開路等現(xiàn)象。因此，設(shè)計(jì)時(shí)請(qǐng)充分注

The use of safety equipment to pay attention to, in order to prevent the short circuit in use, open circuit phenomenon. Therefore, the design of the full note

意下列幾點(diǎn)，確保安全性。

To ensure the safety of the following.

a.設(shè)計(jì)保護(hù)電路，保護(hù)裝置，系統(tǒng)使用，確保安全。

A. design protection circuit, protection device, system use, to ensure safety.

b.設(shè)計(jì)冗余電路等，使之成為一個(gè)即使發(fā)生單一故障時(shí)，也不導(dǎo)致整個(gè)設(shè)備故障的系統(tǒng)。

B. design of redundant circuits, so that it becomes a single failure even when a single failure, it does not cause the entire device failure system.

2．0 安裝

2 installation

將電容器安裝在印刷電路板上時(shí)，如受到過(guò)大的機(jī)械沖擊或熱沖擊等負(fù)荷，將引起電氣特性劣化、

When the capacitor is installed on the printed circuit board, the load of mechanical shock or thermal shock will lead to the deterioration of electrical characteristics,

短路等，故請(qǐng)?jiān)诖_認(rèn)實(shí)際安裝條件后再使用。

Short-circuit and so on, so please confirm the actual installation conditions and then use.

2.1 使用.測(cè)量

2.1 use - Measurement

● 請(qǐng)注意使用時(shí)不要施加過(guò)大的外力，使電容器的本體或引線端子的電鍍剝落受傷。

- please note that don't apply too much force when in use, the electroplating peeling body or lead terminal of the capacitor is injured.

● 落下或曾安裝過(guò)一次的電容器請(qǐng)匆再次使用。

The fall or has installed a capacitor once again please do not use.

● 安裝后，請(qǐng)匆加工電容器或彎折端子等。

- after installation, please do not Processing capacitors or bending terminal etc..

● 電容器的引線（包括片式鉭容器引電出端），在測(cè)量.使用過(guò)程中請(qǐng)注意避免與赤手直接接觸，

Lead - capacitor (including chip tantalum container electric outlet), in use process measurement. Please pay attention to avoid direct contact with bare hands,

以免汗?jié)n，油漬等污染引起可焊性不良。

In order to avoid perspiration, oil pollution caused by bad weldability.

2.2 電路板清洗

2.2 circuit board cleaning

清洗時(shí)請(qǐng)?jiān)诔ズ附訒r(shí)使用的焊劑的同時(shí)，迅速除去酸，堿等，不可使其殘留，清洗時(shí)溫度應(yīng)在

When cleaning, remove the welding flux in the same time, the rapid removal of acid, alkali, etc., can not make the residue, cleaning temperature should be in the

50℃以下，超聲波，蒸氣浸漬等合計(jì)時(shí)間應(yīng)在 5 分鐘以內(nèi)，另請(qǐng)注意，根據(jù)超聲波清洗的條件不

50 degrees below, ultrasonic, steam impregnation and other total time should be less than 5 minutes, and please note that, according to the conditions of ultrasonic cleaning is not

同，會(huì)引起端子折斷。

The same, will cause the terminal to break off.

2.3 焊接

2.3 welding

2.3.1 用烙鐵焊接時(shí)

2.3.1 with iron welding

使用烙鐵（30W 以下）時(shí),烙鐵尖端的溫度在 350℃以下，使用時(shí)間應(yīng)在 4 秒以內(nèi)，并注意烙鐵尖

The use of iron (below 30W), the tip of the soldering iron temperature of 350 DEG C, the use of time should be less than 4 seconds, and pay attention to the iron tip

不

No