PK160F-120 SanRex - Thyristor Module

PK160F-120 Description

Rated at 1200 V and 160 A, the SanRex PK160F-120 is a thyristor module. It is used in phase-controlled rectifiers, soft starters, battery chargers and temperature controllers for furnaces and heaters. Many of these parts are still in service in machines built years ago, and a direct replacement is often the fastest way to get one running again.

We help engineers and repair technicians find parts like the PK160F-120, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Summary of Features

Target Applications

SanRex PK160F-120 is used for AC/DC power conversion and control: controlled and uncontrolled rectifiers, DC motor drives, soft starters, battery chargers, welding equipment, heater and temperature control, and AC power controllers.

Key Specifications

PK160F-120 is a 1200 V / 160 A thyristor module from SanRex. Source: manufacturer datasheet (detailed).

Parameter	Value
Manufacturer	SanRex
Product type	Thyristor module
Configuration	Dual thyristor (PK connection; series also offered as PD, PE, KK)
Repetitive peak reverse / off-state voltage (VRRM / VDRM)	1200 V
Non-repetitive peak reverse voltage (VRSM)	1300 V
Average on-state current (IT(AV))	160 A (single phase, half wave, 180° conduction, Tc = 87 °C)
R.M.S. on-state current (IT(RMS))	250 A (Tc = 87 °C)
Surge on-state current (ITSM)	5000/5500 A (1/2 cycle, 50 Hz/60 Hz, peak, non-repetitive)
I²t	1.25 × 10⁵ A²s
Gate trigger current/voltage (IGT/VGT)	max. 100 mA / 3 V (Tj = 25 °C, IT = 1 A, VD = 6 V)
Peak on-state voltage (VTM)	max. 1.42 V (500 A, Tj = 25 °C)
Isolation breakdown voltage (VISO)	2500 V (R.M.S., A.C. 1 minute)
Max junction temperature (Tj)	125 °C
Datasheet	Available on this page (PDF)

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