NTE505
High Voltage Selenium Rectifier for TV Applications

See also >>> NTE504

Info as pdf-file
NTE-ECG replacement list as pdf-file
Diagrams and Info of most NTE-ECG Components

Absolute Maximum Ratings:
Breakdown Voltage (tvj ≤ tvjmax, iR = 200μA, fo = 50Hz, tp(iR) ≤ 2.5ms, t ≤ 5s), VBR
NTE504...................................................................≥31kV
NTE505...................................................................≥34kV
Repetitive Peak Reverse Voltage, VRRM
In Plastic Material or Oil
NTE504...............................................................27.5kV
NTE505...............................................................30.0kV
In Free Air................................................................ 11.3kV
Direct Reverse Voltage, VR
In Plastic Material or Oil
NTE504.................................................................18kV
NTE505.................................................................20kV
In Free Air.................................................................5.5kV
RMS Forward Current, IFRMSM.....................................................70mA
Average Forward Current (TA = +45°C), IFAVM
In Free Air
NTE504................................................................ 6.1mA
NTE505................................................................ 5.7mA
Plastic Material
NTE504...............................................................13.8mA
NTE505...............................................................12.8mA
Transformer Oil
NTE504...............................................................15.6mA
NTE505...............................................................14.5mA
Inert Liquid Coolant FC 43
NTE504...............................................................15.6mA
NTE505...............................................................14.5mA
Repetitive Peak Forward Current, IFRM.............................................500mA
Surge Current, IFSM
(tvj ≤ +45°C, t = 10ms).......................................................1.5A
(tvj = tvjmax, t = 10ms)........................................................ 1.3A
∫i2dt-value, ∫i2dt
(tvj ≤ +45°C, t = 10ms)...................................................0.011A2s
(tvj = tvjmax, t = 10ms)...................................................0.0085A2s
Thermal Resistance, Junction to Ambient, RΘJA
In Free Air.............................................................. 200°C/W
Plastic Material...........................................................80°C/W
Transformer Oil...........................................................70°C/W
Inert Liquid Coolant FC 43.................................................. 70°C/W
Maximum Junction Temperature, tvjmax.............................................+110°C
Operating Temperature Range, topr.........................................-40° to +110°C
Storage Temperature Range, tstg...........................................-40° to +130°C

Electrical Characteristics:
Maximum Forward Voltage (tvj = +25°C, iF = 300mA), vF
NTE504.................................................................... 142V
NTE505.................................................................... 154V
Threshold Voltage (tvj = tvjmax), V(TO)
NTE504.....................................................................41V
NTE505.....................................................................51V
Slope Resistance (tvj = tvjmax), rT
NTE504.................................................................... 246Ω
NTE505.................................................................... 267Ω
Maximum Reverse Current, iR
(tvj = +25°C, vR = VR)........................................................ 1μA2
(tvj = tvjmax, vR = VR).........................................................5μA2
Peak Reverse Recovery Current, IRRM
(L-commutation, tvj = +25°C, iF = 200mA, -diF/dt = 0.2A/μs).....................20mA
Typical Forward Delay Time, tfr.....................................................0.3μs
Typical Zero Capactiance (tvj = +25°C. f = 16kHz), Cnull
NTE504.................................................................. 0.32pF
NTE505...................................................................0.3pF


NTE Electronic Components (our whole assortment)
Semiconductors (our whole assortment)

Pictures are a guide only actual product may vary. Subject to alterations and errors. Help us to eliminate errors:
Please report any errors here.


Are you searching for replacements of semiconductors? The following link brings you to the search window of NTE Electronics (a world wide supplier of high quality electronic components). This QUICKCross software can assist users in selecting the proper NTE replacement device.

QUICKCross Search Engine for NTE Replacement Semiconductors

Note about NTE replacement devices (formerly ECG Philips and Sylvania):
NTE has one of the most extensive semiconductor lines in the industry. All NTE semiconductors are guaranteed to meet or exceed original specifications.