20CDA40 2.Production

General rectifier diodes are diodes with PN junctions that rectifiy alternating currents with a commercial frequency (50Hz/60Hz) . They are also used as diodes to protect the power supply from reverse connection or reverse current.

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Application

Power supplies
Industrial Equipment

Specifications

Series	Axial
Outline	DO-204AC (DO-15)
V_RRM [V]	400V
I_o [A]	2.0A
I_FSM [A]	75.0A
I_R [mA]	0.010mA
V_FM [V]	1.00V
@IFM [A]	2.0A
Operating Temperature Range	-40℃ ~ 150℃
R_th(j-c) [°C/W]	17.0 (j-l)°C/W
Connection type	A
Packaging style	Bulk
Quantity per Package	2000
Weight	0.350g

Packaging Specifications

Packaging style	Bulk
Quantity per Package	2000
Weight	0.350g

Engineering Documents

Product Specification / Drawing

20CDA40-file.pdf (802.21KB)

Environmental data

RoHS Compliance	Yes

RoHS_20CDA40.pdf (459.49KB)

TSCA_20CDA40.pdf (47.61KB)

FAQ

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When connecting one-chip type elements such as axial type products or miniature SMD products, 1:0.6 (62.5% : 37.5%) would be an approx. value as a general theory. Since two-chip in an element such as represented by the TO-220 type is a package and has good heat balance, the good flow dividing ratio would be 1:0.8 (55.6% : 44.4%).

All values except for the graph of Junction capacitance vs. Reverse Voltage of SBD products are maximum values, which are guaranteed. Graphs of Junction capacitance vs. Reverse Voltage show typical values (TYP). The curves of the average forward current rating are formed by connecting points where the junction temperature reaches 150℃.

MSL standards are defined for SMDs to be reflow-soldered, and all Kyocera products are MSL: 1. (No need for damp proof packing)

The followings are recommended storage conditions for our power device products:

[Before unpacking]
Storage temperature: 5 to 35℃ / Storage humidity: 45 to 70% RH

Related Glossary

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PN type junction rectifying device. Diodes that rectifies a commercial frequency that is alternating current.

A method of mounting components on a printed circuit board (PCB) by inserting component leads to be soldered into through-holes of a PCB and dipping it into a solder bath to mount the components.

[Diode]Allowable peak reverse voltage repetitively applicable to diode.
[Thyristor]Allowable peak reverse voltage repetitively applicable between anode and cathode.

[Diode] Maximum average forward current of commercial frequency (50Hz/60Hz) sin wave under condition.
[Thyristor] Maximum average on-state current of commercial frequency (50Hz/60Hz) half sin wave under specified condition.

Range of ambient temperature while not operating.