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BY448

Description
DIODE 1650 V, SILICON, RECTIFIER DIODE, HERMETIC SEALED, GLASS PACKAGE-2, Rectifier Diode
CategoryDiscrete semiconductor    diode   
File Size58KB,7 Pages
ManufacturerNXP
Websitehttps://www.nxp.com
Download Datasheet Parametric Compare View All

BY448 Overview

DIODE 1650 V, SILICON, RECTIFIER DIODE, HERMETIC SEALED, GLASS PACKAGE-2, Rectifier Diode

BY448 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerNXP
package instructionO-LALF-W2
Contacts2
Reach Compliance Codeunknown
Other featuresLEAKAGE CURRENT IS NOT AT 25 DEG C
applicationGENERAL PURPOSE
Shell connectionISOLATED
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeRECTIFIER DIODE
Maximum forward voltage (VF)1.6 V
JESD-30 codeO-LALF-W2
Maximum non-repetitive peak forward current30 A
Number of components1
Phase1
Number of terminals2
Maximum operating temperature140 °C
Package body materialGLASS
Package shapeROUND
Package formLONG FORM
Certification statusNot Qualified
Maximum repetitive peak reverse voltage1650 V
Maximum reverse current200 µA
Maximum reverse recovery time1 µs
surface mountNO
Terminal formWIRE
Terminal locationAXIAL

BY448 Preview

DISCRETE SEMICONDUCTORS
DATA SHEET
handbook, 2 columns
M3D116
BY448
Damper diode
Product specification
Supersedes data of May 1996
1996 Sep 26
Philips Semiconductors
Product specification
Damper diode
FEATURES
Glass passivated
High maximum operating
temperature
Low leakage current
Excellent stability
Available in ammo-pack.
APPLICATIONS
Damper diode in high frequency
horizontal deflection circuits up to
16 kHz.
DESCRIPTION
Rugged glass package, using a high
temperature alloyed construction.
BY448
This package is hermetically sealed
and fatigue free as coefficients of
expansion of all used parts are
matched.
2/3 page
k
(Datasheet)
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V
RSM
V
RRM
V
R
I
FWM
I
FRM
I
FSM
PARAMETER
non-repetitive peak reverse voltage
repetitive peak reverse voltage
continuous reverse voltage
working peak forward current
repetitive peak forward current
non-repetitive peak forward current

a
MAM047
Fig.1 Simplified outline (SOD57) and symbol.
CONDITIONS
MIN.
MAX.
1650
1650
1500
4
8
30
V
V
V
A
A
A
UNIT
T
amb
= 50
°C;
PCB mounting
(see Fig 4); see Fig.2
t = 10 ms half sinewave;
T
j
= T
j max
prior to surge;
V
R
= V
RRMmax
T
stg
T
j
storage temperature
junction temperature
−65
−65
+175
+150
°C
°C
ELECTRICAL CHARACTERISTICS
T
j
= 25
°C;
unless otherwise specified.
SYMBOL
V
F
I
R
t
rr
t
fr
PARAMETER
forward voltage
reverse current
reverse recovery time
forward recovery time
CONDITIONS
I
F
= 3 A; T
j
= T
j max
; see Fig.3
I
F
= 3 A; see Fig.3
V
R
= V
Rmax
; T
j
= 150
°C
when switched from I
F
= 0.5 A to I
R
= 1 A;
measured at I
R
= 0.25 A; see Fig.6
when switched to I
F
= 4 A in 50 ns;
T
j
= T
j max
; see Fig.7
MAX.
1.45
1.60
150
1
1
V
V
µA
µs
µs
UNIT
1996 Sep 26
2
Philips Semiconductors
Product specification
Damper diode
THERMAL CHARACTERISTICS
SYMBOL
R
th j-tp
R
th j-a
PARAMETER
thermal resistance from junction to tie-point
thermal resistance from junction to ambient
note 1
mounted as shown in Fig.5
Note
CONDITIONS
lead length = 10 mm
BY448
VALUE
46
100
55
UNIT
K/W
K/W
K/W
1. Device mounted on an epoxy-glass printed-circuit board, 1.5 mm thick; thickness of Cu-layer
≥40 µm,
see Fig.4.
For more information please refer to the
“General Part of associated Handbook”.
1996 Sep 26
3
Philips Semiconductors
Product specification
Damper diode
GRAPHICAL DATA
handbook, halfpage
BY448
1.25
MBH411
Ptot
(W)
1.00
handbook, halfpage
5
MBH412
IF
(A)
4
0.75
3
0.50
2
0.25
1
0
0
1
2
3
4
5
IFWM (A)
0
0
1
VF (V)
2
Solid line: basic high-voltage E/W modulator circuit; see Fig.8.
Dotted line: basic conventional horizontal deflection circuit; see Fig.9.
Curves include power dissipation due to switching losses.
Dotted line: T
j
= 150
°C.
Solid line: T
j
= 25
°C.
Fig.2
Maximum total power dissipation as a
function of the working peak forward
current.
Fig.3
Forward current as a function of forward
voltage; maximum values.
handbook, halfpage
handbook, halfpage
35
10
50
25
7
50
3 cm
2
copper
3 cm
2
copper
30
2
3
MGA200
10
MGA204
25.4
Dimensions in mm.
Dimensions in mm.
Fig.5
Fig.4 Device mounted on a printed-circuit board.
Mounting with additional printed circuit
board for heat sink purposes.
1996 Sep 26
4
Philips Semiconductors
Product specification
Damper diode
BY448
handbook, full pagewidth
DUT
+
IF
(A)
0.5
1
t rr
10
25 V
50
0
0.25
0.5
IR
(A)
1.0
t
MAM057
Input impedance oscilloscope: 1 MΩ, 22 pF; t
r
7 ns.
Source impedance: 50
Ω;
t
r
15 ns.
Fig.6 Test circuit and reverse recovery time waveform and definition.
handbook, halfpage
MGD600
VF
90%
100%
t fr
IF
t
10%
t
Fig.7 Forward recovery time definition.
1996 Sep 26
5

BY448 Related Products

BY448 BY448T/R
Description DIODE 1650 V, SILICON, RECTIFIER DIODE, HERMETIC SEALED, GLASS PACKAGE-2, Rectifier Diode DIODE 1650 V, SILICON, RECTIFIER DIODE, HERMETIC SEALED, GLASS PACKAGE-2, Rectifier Diode
Maker NXP NXP
package instruction O-LALF-W2 O-LALF-W2
Contacts 2 2
Reach Compliance Code unknown unknown
Other features LEAKAGE CURRENT IS NOT AT 25 DEG C LEAKAGE CURRENT IS NOT AT 25 DEG C
application GENERAL PURPOSE GENERAL PURPOSE
Shell connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode component materials SILICON SILICON
Diode type RECTIFIER DIODE RECTIFIER DIODE
Maximum forward voltage (VF) 1.6 V 1.6 V
JESD-30 code O-LALF-W2 O-LALF-W2
Maximum non-repetitive peak forward current 30 A 30 A
Number of components 1 1
Phase 1 1
Number of terminals 2 2
Maximum operating temperature 140 °C 140 °C
Package body material GLASS GLASS
Package shape ROUND ROUND
Package form LONG FORM LONG FORM
Certification status Not Qualified Not Qualified
Maximum repetitive peak reverse voltage 1650 V 1650 V
Maximum reverse current 200 µA 200 µA
Maximum reverse recovery time 1 µs 1 µs
surface mount NO NO
Terminal form WIRE WIRE
Terminal location AXIAL AXIAL

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