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BY249 Datasheet, PDF (1/5 Pages) NXP Semiconductors – Rectifier diodes general purpose
Philips Semiconductors
Rectifier diodes
general purpose
Product specification
BY249 series
FEATURES
• Low forward volt drop
• High thermal cycling performance
• Low thermal resistance
SYMBOL
k
1
QUICK REFERENCE DATA
VR = 300 V / 600 V / 800 V
a
VF ≤ 1.05 V
2
IF(AV) = 7 A
IFSM ≤ 60 A
GENERAL DESCRIPTION
Glass-passivated double diffused
rectifier diodes. The devices are
intended for low frequency power
rectifier applications.
The BY249 series is supplied in the
conventional leaded SOD59
(TO220AC) package.
PINNING
PIN
DESCRIPTION
1 cathode
2 anode
tab cathode
SOD59 (TO220AC)
tab
12
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134).
SYMBOL PARAMETER
CONDITIONS
MIN.
VRSM
VRRM
VRWM
VR
IF(AV)
IF(RMS)
IFRM
IFSM
I2t
Tstg
Tj
Peak non-repetitive reverse
voltage
Peak repetitive reverse
voltage
Crest working reverse voltage
Continuous reverse voltage
BY249
-
-
-
-
Average forward current1
RMS forward current
Peak repetitive forward
current
Peak non-repetitive forward
current.
I2t for fusing
Storage temperature
Operating junction
temperature
sinusoidal; a = 1.57; Tmb ≤ 131 ˚C -
-
sinusoidal; a = 1.57;
-
t = 10 ms
-
t = 8.3 ms
-
sinusoidal; Tj = 150 ˚C prior to
surge; with reapplied VRWM(max)
t = 10 ms
-
-40
-
MAX.UNIT
-300 -600 -800
300 600 800
300 600 800
200 500 700
200 500 700
7
11
60
60
66
18
150
150
UNIT
V
V
V
V
A
A
A
A
A
A2s
˚C
˚C
1 Neglecting switching and reverse current losses.
September 1998
1
Rev 1.300