Mfr. Part Number
F1857RD1200
Manufacturer
Crydom / Sensata Technologies
Package / Case
Module
Datasheet
Description
DIODE MODULE 1.2KV 55A
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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F1857RD1200
Crydom / Sensata Technologies
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In Stock8,855
Unit
Price
$140.291
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Reference Price
QuantityPrice
1$ 140.2910
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-19 · Valid as reference until 2026-09-26 · Request RFQ for live stock.
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Specification Summary

Package / Case
Module
Supplier Device Package
Module
Voltage - DC Reverse (Vr) (Max)
1200 V
Voltage - Forward (Vf) (Max) @ If
1.4 V @ 165 A
Current - Average Rectified (Io) (per Diode)
55A (DC)
Operating Temperature - Junction
-40°C ~ 125°C
Mounting Type
Chassis Mount
Diode Configuration
1 Pair Series Connection
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-19. Confirm live availability and unit price via RFQ before placing a PO.
Specifications
Product Description
Purchase & Inquiry
Diode Configuration
1 Pair Series Connection
Current - Average Rectified (Io) (per Diode)
55A (DC)
Mounting Type
Chassis Mount
Current - Reverse Leakage @ Vr
-
Diode Type
Standard
Operating Temperature - Junction
-40°C ~ 125°C
Reverse Recovery Time (trr)
-
Voltage - DC Reverse (Vr) (Max)
1200 V
Voltage - Forward (Vf) (Max) @ If
1.4 V @ 165 A
Speed
Standard Recovery >500ns, > 200mA (Io)
Supplier Device Package
Module
Package / Case
Module
DIODE MODULE 1.2KV 55A
Brand Introduction
Sensata Technologies manufactures and commercializes one of the most preferred brands of Solid State Relays around the world under its sub-brand, Sensata - Crydom. Long recognized as an expert in Solid State Relay and Controls Technology, Sensata - Crydom offers a wide variety of off-the-shelf Solid State Relays and Contactors, I/O Modules and mounting boards, Controls and Power Modules, and specializes in custom designed solid state switching solutions for any application. At Sensata Technologies, innovation and technology combine to exceed our Customer's most demanding performance requirements.

Sensata Technologies is one of the world's leading suppliers of sensing, electrical protection, control and power management solutions with operations and business centers in 13 countries. Sensata's products improve safety, efficiency and comfort for millions of people every day in automotive, appliance, aircraft, industrial, military, heavy vehicle, heating, ventilation and air-conditioning (HVAC), data, telecommunications, recreational vehicles and marine applications.
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Buying FAQ — F1857RD1200

How do I buy F1857RD1200 from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes F1857RD1200. We reply with stock, channel note, reference price and ETA.

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What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.