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DISCRETE SEMICONDUCTORS
Fact Sheet 079
High-quality glass-passivated diodes
(Implotec)
BYD33J competitor investigation
This publication offers a direct comparison between Philips
Semiconductors’ glass-passivated BYD33J diode family (based on
the company’s proprietary Implotec technology) and two major
competitor products. The comparison highlights major advantages
of the Philips technology, including high reliability and excellent
thermal performance with no tendency toward delamination at the lead-
package interfaces.
Philips’ BYD33J
Package
•
•
•
•
Glass Implotec SOD81
Comparable competitor I
•
•
•
•
Plastic DO-41
Comparable competitor II
•
•
•
•
Glass plastic DO-41
Electrical
Glass passivated
High maximum operating temperature
(T
jmax
= 175 °C)
Low leakage current (typ. I
R
= 8.0 µA,
T
a
= 150 °C)
Excellent stability (zero defects in
259k device hours)
Guaranteed avalanche energy
absorption capability (E
RSM
to
destruction = 16 mJ )
Silicon rubber passivation
Low max operating temperature
(T
jmax
= 125 °C)
Higher leakage current due to
passivation (typ. I
R
= 275 µA,
T
a
= 150 °C)
Poor stability although level of
instability is just acceptable
Lower capability to withstand reverse
energy (E
RSM
to destruction = 2 mJ)
Glass bead moulded in plastic or
passivated chip
Lower max operating temperature
(T
jmax
= 150 °C)
Comparable leakage current
(typ. I
R
= 10 µA, T
a
= 150 °C)
Stability is acceptable
Lower capability to withstand reverse
energy (E
RSM
to destruction = 10 mJ)
•
•
•
•
•
•
Mechanical
•
•
Excellent pressure contacts due to
Implotec technology
Not sensitive to moisture,
hermetically sealed — no rejects on
humidity tests
Fatigue free because coefficients of
expansion of all used parts are
matched
Excellent thermal-fatigue performance
— no rejects in fatigue tests
•
•
Low temperature soldering
construction
Sensitive to moisture, plastic is
hygroscopic, delamination after
moulding
Plastic coefficient of expansion does
not match with the other parts,
resulting in delamination
Often rejects, chip cracks due to
coefficients of expansion
•
•
Low temperature soldering
construction
Glass-plastic is still sensitive to
moisture
With glass-plastic, delaminations are
still seen
Better than just plastic but not as good
as glass Implotec
•
•
•
•
•
•
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delamination
M3D119
The SOD81 Implotec package
The graphs below show the difference in performance between
Philips’ BYD33J and a competitor type. The comparison shows
reverse leakage current (I
R
) degradation during high-temperature
reverse-bias reliability testing. The delamination, shown in the picture,
leads to contamination across the junction resulting in severe
degradation of I
R
.
MSD394
Competitor product showing delamination where lead enters the plastic
encapsulation
500
I
R
in
test circuit
(µA)
400
500
I
R
in
test circuit
(µA)
400
MSD395
sample size: n = 12
sample size: n = 10
300
300
200
200
100
100
0
0
1
24
48
168
264
336
test hours
504
0
0
168
test hours
1008
High-temperature reverse bias — competitor type;
V
r
= 600 V, T
a
= 125
°
C
High-temperature reverse bias — BYD33J;
V
r
= 600 V, T
a
= 150
°
C
Philips Semiconductors – a worldwide company
Argentina:
see South America
Australia:
3 Figtree Drive, HOMEBUSH, NSW 2140,
Tel. +61 2 9704 8141, Fax. +61 2 9704 8139
Austria:
Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 1 60 101 1248,
Fax. +43 1 60 101 1210
Belarus:
Hotel Minsk Business Center, Bld. 3, r. 1211, Volodarski Str. 6,
220050 MINSK, Tel. +375 172 20 0733, Fax. +375 172 20 0773
Belgium:
see The Netherlands
Brazil:
see South America
Bulgaria:
Philips Bulgaria Ltd., Energoproject, 15th floor,
51 James Bourchier Blvd., 1407 SOFIA,
Tel. +359 2 68 9211, Fax. +359 2 68 9102
Canada:
PHILIPS SEMICONDUCTORS/COMPONENTS, Tel. +1 800 234 7381,
Fax. +1 800 943 0087
China/Hong Kong:
501 Hong Kong Industrial Technology Centre,
72 Tat Chee Avenue, Kowloon Tong, HONG KONG,
Tel. +852 2319 7888, Fax. +852 2319 7700
Colombia:
see South America
Czech Republic:
see Austria
Denmark:
Sydhavnsgade 23, 1780 COPENHAGEN V,
Tel. +45 33 29 3333, Fax. +45 33 29 3905
Finland:
Sinikalliontie 3, FIN-02630 ESPOO,
Tel. +358 9 615 800, Fax. +358 9 6158 0920
France:
51 Rue Carnot, BP317, 92156 SURESNES Cedex,
Tel. +33 1 4099 6161, Fax. +33 1 4099 6427
Germany:
Hammerbrookstraße 69, D-20097 HAMBURG,
Tel. +49 40 2353 60, Fax. +49 40 2353 6300
Hungary:
see Austria
India:
Philips INDIA Ltd, Band Box Building, 2nd floor,
254-D, Dr. Annie Besant Road, Worli, MUMBAI 400 025,
Tel. +91 22 493 8541, Fax. +91 22 493 0966
Indonesia:
PT Philips Development Corporation, Semiconductors Division,
Gedung Philips, Jl. Buncit Raya Kav.99-100, JAKARTA 12510,
Tel. +62 21 794 0040 ext. 2501, Fax. +62 21 794 0080
Ireland:
Newstead, Clonskeagh, DUBLIN 14,
Tel. +353 1 7640 000, Fax. +353 1 7640 200
Israel:
RAPAC Electronics, 7 Kehilat Saloniki St, PO Box 18053, TEL AVIV 61180,
Tel. +972 3 645 0444, Fax. +972 3 649 1007
Italy:
PHILIPS SEMICONDUCTORS, Via Casati, 23 - 20052 MONZA (MI), Tel.
+39 039 203 6838, Fax +39 039 203 6800
Japan:
Philips Bldg 13-37, Kohnan 2-chome, Minato-ku, TOKYO 108-8507,
Tel. +81 3 3740 5130, Fax. +81 3 3740 5057
Korea:
Philips House, 260-199 Itaewon-dong, Yongsan-ku, SEOUL,
Tel. +82 2 709 1412, Fax. +82 2 709 1415
Malaysia:
No. 76 Jalan Universiti, 46200 PETALING JAYA, SELANGOR, Tel. +60
3 750 5214, Fax. +60 3 757 4880
Mexico:
5900 Gateway East, Suite 200, EL PASO, TEXAS 79905,
Tel. +9-5 800 234 7381, Fax +9-5 800 943 0087
Middle East:
see Italy
Netherlands:
Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB,
Tel. +31 40 27 82785, Fax. +31 40 27 88399
New Zealand:
2 Wagener Place, C.P.O. Box 1041, AUCKLAND,
Tel. +64 9 849 4160, Fax. +64 9 849 7811
Norway:
Box 1, Manglerud 0612, OSLO,
Tel. +47 22 74 8000, Fax. +47 22 74 8341
Pakistan:
see Singapore
Philippines:
Philips Semiconductors Philippines Inc.,
106 Valero St. Salcedo Village, P.O. Box 2108 MCC, MAKATI, Metro MANILA,
Tel. +63 2 816 6380, Fax. +63 2 817 3474
Poland:
Al.Jerozolimskie 195 B, 02-222 WARSAW,
Tel. +48 22 5710 000, Fax. +48 22 5710 001
Portugal:
see Spain
Romania:
see Italy
Russia:
Philips Russia, Ul. Usatcheva 35A, 119048 MOSCOW,
Tel. +7 095 755 6918, Fax. +7 095 755 6919
Singapore:
Lorong 1, Toa Payoh, SINGAPORE 319762,
Tel. +65 350 2538, Fax. +65 251 6500
Slovakia:
see Austria
Slovenia:
see Italy
South Africa:
S.A. PHILIPS Pty Ltd., 195-215 Main Road Martindale,
2092 JOHANNESBURG, P.O. Box 58088 Newville 2114,
Tel. +27 11 471 5401, Fax. +27 11 471 5398
South America:
Al. Vicente Pinzon, 173, 6th floor, 04547-130 SÃO PAULO, SP,
Brazil, Tel. +55 11 821 2333, Fax. +55 11 821 2382
Spain:
Balmes 22, 08007 BARCELONA,
Tel. +34 93 301 6312, Fax. +34 93 301 4107
Sweden:
Kottbygatan 7, Akalla, S-16485 STOCKHOLM,
Tel. +46 8 5985 2000, Fax. +46 8 5985 2745
Switzerland:
Allmendstrasse 140, CH-8027 ZÜRICH,
Tel. +41 1 488 2741 Fax. +41 1 488 3263
Taiwan:
Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI,
Taiwan Tel. +886 2 2134 2886, Fax. +886 2 2134 2874
Thailand:
PHILIPS ELECTRONICS (THAILAND) Ltd.,
209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260,
Tel. +66 2 745 4090, Fax. +66 2 398 0793
Turkey:
Yukari Dudullu, Org. San. Blg., 2.Cad. Nr. 28 81260 Umraniye,
ISTANBUL, Tel. +90 216 522 1500, Fax. +90 216 522 1813
Ukraine:
PHILIPS UKRAINE, 4 Patrice Lumumba str., Building B, Floor 7,
252042 KIEV, Tel. +380 44 264 2776, Fax. +380 44 268 0461
United Kingdom:
Philips Semiconductors Ltd., 276 Bath Road, Hayes,
MIDDLESEX UB3 5BX, Tel. +44 208 730 5000, Fax. +44 208 754 8421
United States:
811 East Arques Avenue, SUNNYVALE, CA 94088-3409,
Tel. +1 800 234 7381, Fax. +1 800 943 0087
Uruguay:
see South America
Vietnam:
see Singapore
Yugoslavia:
PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD,
Tel. +381 11 3341 299, Fax.+381 11 3342 553
For all other countries apply to:
Philips Semiconductors, International Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825
© Philips Electronics N.V. 2000
Internet:
http://www.semiconductors.philips.com
SCL 69
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use.
Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
Date of release: January 2000
Document order number: 9397 750 06322
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