DATA SHEET
Product speci?cation Supersedes data of April 19921996Apr26
DISCRETE SEMICONDUCTORS 1N5225B to 1N5267B Voltage regulator diodes
M3D176
Philips Semiconductors Product speci?cation
Voltage regulator diodes
1N5225B to 1N5267B
FEATURES
?Total power dissipation:max.500mW ?Tolerance series:±5%?Working voltage range:nom.3.0to 75V
?Non-repetitive peak reverse power dissipation: max.40W.
APPLICATIONS
?Low-power voltage stabilizers or voltage references.
DESCRIPTION
Low-power voltage regulator diodes in hermetically sealed leaded glass SOD27(DO-35) packages.
The series consists of 43types with nominal working voltages from 3.0to 75V.
Fig.1 Simplified outline (SOD27; DO-35) and symbol.
The diodes are type branded.
handbook, halfpage
MAM239
k a
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).Notes
1.Device mounted on a printed circuit-board without metallization pad.
2.Tie-point temperature ≤75°C.ELECTRICAL CHARACTERISTICS Table 1
T j =25°C; unless otherwise specified.SYMBOL PARAMETER
CONDITIONS
MIN.MAX.UNIT I F continuous forward current ?
250
mA
I ZSM non-repetitive peak reverse current t p =100μs; square wave;T j =25°C prior to surge see Table “Per type”P tot
total power dissipation
T amb =50°C; lead length max.;note 1
?400mW Lead length 8mm;note 2
?500mW P ZSM
non-repetitive peak reverse power dissipation
t p =100μs; square wave;
T j =25°C prior to surge; see Fig.3?40W t p =8.3ms; square wave;T j ≤55°C prior to surge
?10W T stg storage temperature ?65+200°C T j junction temperature
?65
+200
°C
SYMBOL PARAMETER
CONDITIONS
MAX.UNIT V F
forward voltage
I F =200mA; see Fig.4
1.1
V
Philips Semiconductors
Product speci?cation
Voltage regulator diodes
1N5225B to 1N5267B
Philips Semiconductors
Product speci?cation
Voltage regulator diodes
1N5225B to 1N5267B
Voltage regulator diodes1N5225B to 1N5267B
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS VALUE UNIT R th j-tp thermal resistance from junction to tie-point lead length 10mm300K/W R th j-a thermal resistance from junction to ambient lead length max.; see Fig.2 and note1380K/W Note
1.Device mounted on a printed circuit-board without metallization pad.
Voltage regulator diodes
1N5225B to 1N5267B
GRAPHICAL DATA
handbook, full pagewidth
10?1
110
102103104
105
MBG930
102
10
1103
t p (ms)
t p
t p T
T
δ =
0.020.01≤0.001
0.750.500.330.200.100.05
δ = 1R th j-a (K/W)
Fig.2 Thermal resistance from junction to ambient as a function of pulse duration.
Fig.3
Maximum permissible non-repetitive peak reverse power dissipation versus duration.
handbook, halfpage
MBG801
103
1duration (ms)P ZSM (W)10
102
10?1
10
1(1)
(2)
(1)T j =25°C (prior to surge).(2)T j =150°C (prior to surge).
Fig.4
Forward current as a function of forward voltage; typical values.
handbook, halfpage
0.5
1.0
250
0MBG803
125
0.75
V F (V)
I F (mA)
T j =25°C.
Voltage regulator diodes
1N5225B to 1N5267B
PACKAGE OUTLINE
DEFINITIONS LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
Data sheet status Objective speci?cation This data sheet contains target or goal speci?cations for product development.Preliminary speci?cation This data sheet contains preliminary data; supplementary data may be published later.Product speci?cation This data sheet contains ?nal product speci?cations.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the speci?cation is not implied. Exposure to limiting values for extended periods may affect device reliability.Application information
Where application information is given, it is advisory and does not form part of the speci?cation.Dimensions in mm.
Fig.5 SOD27 (DO-35).
ndbook, full pagewidth
MLA428 - 1
25.4 min
4.25max
1.85max
25.4 min
0.56max