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The following information is intended to be used as a guide in finding replacements for discontinued Philips high voltage diodes. Please note -
  • Not all parts are drop-in replacements. VMI recommends each application be evaluated on a case-by-case basis.
  • Where possible, VMI will gladly provide evaluation samples.
  • Please contact us if you have any questions, or would like to request a sample.
  • Check back often for product updates.
If the diode you are looking for is not on the list, Contact Us! We will help you find a replacement.
Philips P/N Vrwm

(kV)

Io

(mA)

Vf (V) If

(mA)

Ir

(uA)

Trr

(ns)

Body Lead VMI P/N VMI P/N Datasheet VMI Alternate P/N Exceptions
BY428 1.5kV 4000 1.95 4000 150 250 Glass Axial 1N6513 1N6513
Not an exact match. Does not meet Io, or physical dimensions
BY505 2kV 85 8.5 100 3 100 Glass Axial 1N6531
1N6529-31
BY584 .5kV 85 8.5 100 3 200 Glass Axial

1N6531

1N6529-31
BY614 2kV 50 6 50 3 300 Glass Axial 1N6531
1N6531
Length dimension differs
BY715 4kV 20 28 100 3 100 Glass Axial 1N6533
1N6533
Reverse leakage specification differs
BY716 5kV 20 28 100 3 100 Glass Axial 1N6535
1N6535
Slight difference in physical dimensions
BY718 10kV 4 69 100 3 100 Glass Axial M100UFG
M100UFG
BY8104 5kV 20 26 100 3 60 Glass Axial

M50FF3
M50FF5

M50FF3-FF5
BY8106 6kV 10 36 100 3 60 Glass Axial 1N6535
M160UFG
1N6535
M160UFG
BY8108 10kV 5 44.5 100 3 60 Glass Axial MR100FF3
MR100FF5
MR100FF3
M100FF3-FF5
BY8110 12kV 5 54.5 100 6 60 Glass Axial M160FF3
M160FF5
M100FF3-FF5
M160UFG
BY8112 14kV 5 75 100 3 60 Glass Axial M160FF3
M160FF5
M100FF3-FF5
M160UFG
BY8114 16kV 5 82.5 100 3 60 Glass Axial M160FF3 M100FF3-FF5
M160UFG
Controlled avalanche
BY8404 4 kV 20 20 100 3 100 Glass Axial 1N6533
1N6533
Slight differences in lead length and high temperature Ir
BY8406 6kV 10 25 100 3 100 Glass Axial 1N6535
1N6535
Slight differences in lead length and high temperature Ir
BY8408 8 kV 5 35 100 3 100 Glass Axial 1N6535
1N6535
Slight differences in lead length and high temperature Ir
BY8410 10kV 5 42 100 3 100 Glass Axial 1N6535
1N6535
Slight differences in lead length and high temperature Ir
BY8412 12kV 5 52 100 3 100 Glass Axial M160UFG
M160UFG
Slight differences in lead length and high temperature Ir and capacitance
BY8414 14kV 5 60 100 3 100 Glass Axial M160UFG
M160UFG
Slight differences in lead length and high temperature Ir and capacitance
BY8416 16kV 3 70 100 3 100 Glass Axial M160UFG
M160UFG
Slight differences in lead length and high temperature Ir and capacitance
BY8418 18kV 3 77 100 3 100 Glass Axial M180UFG
Contact Sales
Slight differences in lead length and high temperature Ir and capacitance
BY8420 20kV M180UFG
Contact Sales
No 20KV replacement available
BY8424 24kV M180UFG
Contact Sales
No 24KV replacement available
BYM26C 600V 2.3 1.34 2A 10 30 Glass Axial ZR25FF3 ZR25FF3
Not an exact replacement.
BYD47-20 2kV 800 2.05 1000 5 300 Glass MELF 1N6531 1N6531
No direct replacement. Differences exist in Vf, Io, and physical dimensions.
BYV98 2kV 1000 2.4 2000 5 3000 Glass Axial 1N6513
Z25UFG
1N6513
Z25UFG
Controlled avalanche and Vf , Trr ratings differ. Slight difference in physical dimensions.
BYW97G 1.4kV 3300 1.45 5000 1 500 Glass Axial 1N6513
1N6513
Differences in forward current, Vf, and avalanche ratings. Slight difference in physical dimensions.
BYX102G 10kV 360 23.9 1000 15 350 Glass Axial Z100FG
Z100FG
Slight differences in physical dimensions and reverse power capability
BYX104G 10kV 225 52 1000 15 50 Glass Axial Z100FF5
ZR100FF5
XR100FF5
Controlled avalanche and slight difference in physical dimensions.
BYX108G 4.5kV 340 16.5 1000 15 50 Glass Axial 1N6837
1N6839
Z50FF5
Z50FF3
1N6837-39
Z50FF3-FF5

Controlled avalanche differs

BYX134GPS 4kV 50 7 10 30 3000 Plastic Axial M50SG
M50SG
M50SG hermetically sealed glass
BYX90G 7.5kV 550 14.5 2000 50 350 Glass Axial ZR50UFG

ZR100UFG

ZR50UFG - ZR100UFG
Not an exact replacement. Differences in rated Vr.
OF861 7kV 40 18.5 100 .10 200 Glass Axial 1N6527
1N6535
1N6527
1N6535
Not direct replacements. Differences and trade-offs in forward current, physical size, and reverse power capability.

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Last Update: 24 April 2015
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