DHRB34B471M2BB Ver la hoja de datos (PDF) - Unspecified

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DHRB34B471M2BB

HIGH VOLTAGE CERAMIC CAPACITORS

Unspecified 

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C41E2.pdf 03.4.16

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DHR Series !Caution/Notice 1

s !Caution (Soldering and Mounting)

1. Vibration and impact

Do not expose a capacitor or its leads to excessive

shock or vibration during use.

2. Soldering

When soldering this product to a PCB/PWB, do not

exceed the solder heat resistance specification of

the capacitor. Subjecting this product to excessive

heating could melt the internal junction solder and

may result in thermal shocks that can crack the

ceramic element.

When soldering capacitor with a soldering iron, it

should be performed in following conditions.

Temperature of iron-tip: 400 degrees C. max.

Soldering iron wattage: 50W max.

Soldering time: 3.5 sec. max.

FAILURE TO FOLLOW THE ABOVE CAUTIONS MAY

RESULT, WORST CASE, IN A SHORT CIRCUIT

AND CAUSE FUMING OR PARTIAL DISPERSION

WHEN THE PRODUCT IS USED.

s !Caution (Handling)

Vibration and impact

Do not expose a capacitor or its leads to excessive

shock or vibration during use.

FAILURE TO FOLLOW THE ABOVE CAUTIONS MAY

RESULT, WORST CASE, IN A SHORT CIRCUIT

AND CAUSE FUMING OR PARTIAL DISPERSION

WHEN THE PRODUCT IS USED.

s Notice (Soldering and Mounting)

Cleaning (ultrasonic cleaning)

To perform ultrasonic cleaning, observe the following

conditions. Rinse bath capacity : Output of 20 watts

per liter or less.

Rinsing time : 5 min maximum.

Do not vibrate the PCB/PWB directly.

Excessive ultrasonic cleaning may lead to fatigue

destruction of the lead wires.

s Notice (Rating)

Capacitance change of capacitor

1. Class 1 capacitors

Capacitance might change a little depending on the

surrounding temperature or an applied voltage.

Please contact us if you intend to use this product

in a strict time constant circuit.

2. Class 2 and 3 capacitors

Class 2 and 3 capacitors with temperature

characteristics B, E and F have an aging

characteristic, whereby the capacitor continually

decreases its capacitance slightly if the

capacitor is left on for a long time. Moreover,

capacitance might change greatly depending on the

surrounding temperature or an applied voltage.

So, it is not likely to be suitable for use in a

time constant circuit. Please contact us if you

need detailed information.

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