NTE504
High Voltage Selenium Rectifier for TV Applications

See also >>> NTE505

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


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