CRYDOM CY8713 Power Supply Module: Comprehensive Guide for Industrial Automation Applications

2026년 1월 9일

Historical parts record: Photos and notes below belong to this record. Confirm the offered unit’s full model, condition and available test evidence before ordering.

What is the Crydom CY8713/C?

The CY8713/C is a Crydom (Sensata) power module in the epoxy-on-baseplate format: two stud terminals on top, a copper baseplate underneath, and a blue 0.47 µF / 1 kV snubber capacitor mounted right on the case — an RC network across the power path that absorbs the voltage spikes inductive loads throw back. The intake record books this lot as a China-made replacement build to the Crydom pattern, new; 12 units on the record, each photographed from the same shipment. Note on the listing title: the queue calls it a "power supply module" — it is a protected power semiconductor module, and that is what this page documents. All 7 photos and 1 video below show these exact units.

2 min readContent reviewed 7 October 2026

Part details

CY8713/C, as marked on the module
Field	Value
Model	CY8713/C (Crydom-pattern power module)
Brand	Crydom / Sensata style, recorded as China-made replacement build
Terminals	2 stud terminals with nuts, top face
Snubber capacitor	Blue box cap, marked Z113952822 654 / U47 K 1KV F5 — 0.47 µF, 1 kV, 10%
Cooling	Mirror-finish copper baseplate, single mounting hole
Construction	Black epoxy-encapsulated case
Quantity	12 units on record, one shipment
Condition	New, China-made replacement build as recorded
Shipping weight	0.5 kg each

Scroll sideways to see the full table.

Component identification follows the snubber capacitor's own marking in the photo set.

Why the capacitor rides on top

The blue box on this module is not decoration — it is the reason the module survives its load. A power semiconductor switching an inductive circuit (a solenoid, a contactor coil, a DC motor field) sees a voltage spike at every turn-off, and a spike that reaches avalanche kills the die. The 0.47 µF, 1 kV capacitor mounted across the module's power path is the snubber half of an RC network: it swallows the fast edge and lets the resistor bleed it away, so the semiconductor behind it never sees the peak. Crydom ships this style of module with the capacitor factory-mounted because the layout matters — short leads keep the snubber effective at the nanosecond scale where it counts. The copper baseplate is the thermal half of the design: bolted flat to a heatsink through its single hole, it carries the module's conduction losses away. Replacements in this format are matched by the ordering code and the snubber value together — the capacitor is part of the part. KOEED's Crydom shelf covers the wider family, including solid-state relays such as the D53TP50D-10.