Electronic Components & Devices

Introduction to Backflow Prevention Stack and Silicon Dropper Stack Products

# Backflow prevention # Cooling # Product Lineup

For backflow prevention stack and silicon dropper stack products, kyocera offers module type diodes and flat type diodes assembled on cooling fins.

Backflow Prevention Stack

Features: Available in a series ranging from small capacity 25A to large current 400A.
Self-cooling (no fan motor, maintenance-free).
Applications: Reverse current prevention for DC power supplies, solar cells, and battery chargers

Part Number

Circuit Configuration	DC Output Current^*1	Part Number	Cooling	Element Breakdown Voltage
Single-phase half-wave connection	25A	BD25-08	Self-cooling	800V
	40A	BD40-08
	60A	BD60-08
	100A	BD100-08
	150A	BD150-08
	200A	BD200-08
	300A	BD300-08
	400A	BD400-08
	30A	BD30-16		1600V
	45A	BD45-16
	65A	BD65-16
	110A	BD110-16
	200A	BD200-16
	400A	BD400-16

*1 For continuous use at an ambient temperature of 50°C.
Also available with snubber CR.

Features: Available in a series ranging from small capacity 10A to large current 800A.
Self-cooling (no fan motor, maintenance-free)
Applications: Voltage regulation of DC power supplies using the forward voltage drop of a diode

Part Number

Circuit Configuration	DC Output Current^*1	Part Number	Cooling	Voltage Drop
Diode Series Connection	10A	SD10-6S	Self-cooling	Approx. 3 to 5 V (when using 6 in series)
	20A	SD20-6S
	30A	SD30-6S
	40A	SD40-6S
	50A	SD50-6S
	75A	SD75-6S
	100A	SD100-6S
	150A	SD150-6S
	200A	SD200-6S
	300A	SD300-6S
	400A	SD400-3S
	500A	SD500-3S
	600A	SD600-3S
	800A	SD800-3S

*1 For continuous use at an ambient temperature of 50°C.

# Backflow prevention # Cooling # Product Lineup

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