Page 1
DATA SH EET
Product specification
Supersedes data of February 1994
1996 May 24
DISCRETE SEMICONDUCTORS
BYM26 series
Fast soft-recovery
controlled avalanche rectifiers
handbook, 2 columns
M3D118
Page 2
1996 May 24 2
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
FEATURES
• Glass passivated
• High maximum operating
temperature
• Low leakage current
• Excellent stability
• Guaranteed avalanche energy
absorption capability
• Available in ammo-pack
• Also available with preformed leads
for easy insertion.
DESCRIPTION
Rugged glass SOD64 package,
using a high temperature alloyed
construction. This package is
hermetically sealed and fatigue free
as coefficients of expansion of all
used parts are matched.
Fig.1 Simplified outline (SOD64) and symbol.
2/3 page (Datasheet)
MAM104
ka
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
RRM
repetitive peak reverse voltage
BYM26A − 200 V
BYM26B − 400 V
BYM26C − 600 V
BYM26D − 800 V
BYM26E − 1000 V
BYM26F − 1200 V
BYM26G − 1400 V
V
R
continuous reverse voltage
BYM26A − 200 V
BYM26B − 400 V
BYM26C − 600 V
BYM26D − 800 V
BYM26E − 1000 V
BYM26F − 1200 V
BYM26G − 1400 V
I
F(AV)
average forward current Ttp=55°C; lead length = 10 mm;
see Figs 2 and 3;
averaged over any 20 ms period;
see also Figs 10 and 11
BYM26A to E − 2.30 A
BYM26F and G − 2.40 A
I
F(AV)
average forward current T
amb
=65°C; PCB mounting (see
Fig.19); see Figs 4 and 5;
averaged over any 20 ms period;
see also Figs 10 and 11
BYM26A to E − 1.05 A
BYM26F and G − 1.00 A
Page 3
1996 May 24 3
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
ELECTRICAL CHARACTERISTICS
T
j
=25°C unless otherwise specified.
I
FRM
repetitive peak forward current Ttp=55°C; see Figs 6 and 7
BYM26A to E − 19 A
BYM26F and G − 21 A
I
FRM
repetitive peak forward current T
amb
=65°C; see Figs 8 and 9
BYM26A to E − 8.0 A
BYM26F and G − 8.5 A
I
FSM
non-repetitive peak forward current t = 10 ms half sine wave; Tj=T
j max
prior to surge; VR=V
RRMmax
− 45 A
E
RSM
non-repetitive peak reverse
avalanche energy
L = 120 mH; Tj=T
j max
prior to surge;
inductive load switched off
− 10 mJ
T
stg
storage temperature −65 +175 °C
T
j
junction temperature see Figs 12 and 13 −65 +175 °C
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
F
forward voltage IF= 2 A; Tj=T
j max
;
see Figs 14 and 15
BYM26A to E −−1.34 V
BYM26F and G −−1.34 V
V
F
forward voltage IF=2A;
see Figs 14 and 15
BYM26A to E −−2.65 V
BYM26F and G −−2.30 V
V
(BR)R
reverse avalanche breakdown
voltage
IR= 0.1 mA
BYM26A 300 −−V
BYM26B 500 −−V
BYM26C 700 −−V
BYM26D 900 −−V
BYM26E 1100 −−V
BYM26F 1300 −−V
BYM26G 1500 −−V
I
R
reverse current VR=V
RRMmax
;
see Fig.16
−−10 µA
V
R=VRRMmax
;
Tj= 165 °C; see Fig.16
−−150 µA
t
rr
reverse recovery time when switched from
IF= 0.5 A to IR=1A;
measured at IR= 0.25 A;
see Fig.20
BYM26A to C −−30 ns
BYM26D and E −−75 ns
BYM26F and G −−150 ns
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
Page 4
1996 May 24 4
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
THERMAL CHARACTERISTICS
Note
1. Device mounted on an epoxy-glass printed-circuit board, 1.5 mm thick; thickness of Cu-layer ≥40 µm, see Fig.19.
For more information please refer to the
“General Part of associated Handbook”.
C
d
diode capacitance f = 1 MHz; VR=0V;
see Figs 17 and 18
BYM26A to C − 85 − pF
BYM26D and E − 75 − pF
BYM26F and G − 65 − pF
maximum slope of reverse recovery
current
when switched from
I
F
= 1 A to VR≥ 30 V and
dIF/dt = −1A/µs;
see Fig.21
BYM26A to C −− 7A/µs
BYM26D and E −− 6A/µs
BYM26F and G −− 5A/µs
SYMBOL PARAMETER CONDITIONS VALUE UNIT
R
th j-tp
thermal resistance from junction to tie-point lead length = 10 mm 25 K/W
R
th j-a
thermal resistance from junction to ambient note 1 75 K/W
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
dI
R
dt
--------
Page 5
1996 May 24 5
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
GRAPHICAL DATA
handbook, halfpage
0 200
2.4
0
MSA875
0.6
100
I
F(AV)
(A)
1.2
1.8
lead length (mm)20 15 10
T ( C)
o
tp
BYM26A toE
a =1.42; VR=V
RRMmax
; δ= 0.5.
Switched mode application.
Fig.2 Maximum average forward current as a
function of tie-point temperature (including
losses due to reverse leakage).
handbook, halfpage
0 200
3
0
1
MBD421
100
I
F(AV)
(A)
T ( C)
o
tp
2
lead length 10 mm
BYM26F andG
a =1.42; VR=V
RRMmax
; δ= 0.5.
Switched mode application.
Fig.3 Maximum average forward current as a
function of tie-point temperature (including
losses due to reverse leakage).
BYM26A toE
a =1.42; VR=V
RRMmax
; δ= 0.5.
Device mounted as shown in Fig.19.
Switched mode application.
Fig.4 Maximum average forward current as a
function of ambient temperature (including
losses due to reverse leakage).
handbook, halfpage
0 200
2.0
0
0.4
1.6
MLB490
100
I
F(AV)
(A)
T ( C)
o
amb
0.8
1.2
handbook, halfpage
0 200
2.0
0
0.4
1.6
MBD416
100
I
F(AV)
(A)
T ( C)
o
amb
0.8
1.2
BYM26F andG
a =1.42; VR=V
RRMmax
; δ= 0.5.
Device mounted as shown in Fig.19.
Switched mode application.
Fig.5 Maximum average forward current as a
function of ambient temperature (including
losses due to reverse leakage).
Page 6
1996 May 24 6
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
0
8
10
2
10
1
11010
2103
10
4
MSA879
16
20
4
12
t (ms)
p
I
FRM
(A)
= 0.05
δ
0.1
0.2
0.5
1
Fig.6 Maximum repetitive peak forward current as a function of pulse time (square pulse) and duty factor.
BYM26A toE
Ttp=55°C; R
th j-tp
= 25 K/W.
V
RRMmax
during 1 −δ; curves include derating for T
j max
at V
RRM
= 1000 V.
0
10
10
2
11010
2103
10
4
MBD449
20
t (ms)
p
10
1
I
FRM
(A)
5
15
25
= 0.05
δ
0.1
0.2
0.5
1
BYM26F and G
Ttp=55°C; R
th j-tp
= 25 K/W.
V
RRMmax
during 1 −δ; curves include derating for T
j max
at V
RRM
= 1400 V.
Fig.7 Maximum repetitive peak forward current as a function of pulse time (square pulse) and duty factor.
Page 7
1996 May 24 7
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
0
4
10
2
10
1
11010
2103
10
4
MSA878
8
10
2
6
t (ms)
p
I
FRM
(A)
= 0.05
δ
0.1
0.2
0.5
1
BYM26A to E
T
amb
=65°C; R
th j-a
= 75 K/W.
V
RRMmax
during 1 −δ; curves include derating for T
j max
at V
RRM
= 1000 V.
Fig.8 Maximum repetitive peak forward current as a function of pulse time (square pulse) and duty factor.
0
4
10
2
11010
2103
10
4
MBD443
8
t (ms)
p
10
1
I
FRM
(A)
2
6
10
= 0.05
δ
0.1
0.2
0.5
1
Fig.9 Maximum repetitive peak forward current as a function of pulse time (square pulse) and duty factor.
BYM26F and G
T
amb
=65°C; R
th j-a
= 75 K/W.
V
RRMmax
during 1 −δ; curves include derating for T
j max
at V
RRM
= 1400 V.
Page 8
1996 May 24 8
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
5
0 0.6 2.4
0
MSA876
1.2
1
2
3
4
1.8
I
F(AV)
(A)
P
(W)
a = 3 2.5 2 1.57 1.42
Fig.10 Maximum steady state power dissipation
(forward plus leakage current losses,
excluding switching losses) as a function of
average forward current.
BYM26A to E
a=I
F(RMS)/IF(AV)
; VR=V
RRMmax
; δ = 0.5.
Fig.11 Maximum steady state power dissipation
(forward plus leakage current losses,
excluding switching losses) as a function of
average forward current.
BYM26F and G
a=I
F(RMS)/IF(AV)
; VR=V
RRMmax
; δ = 0.5.
0
5
0
2
4
MBD430
I (A)
F(AV)
2.40.6
1.8
P
(W)
3
1
1.2
a = 3 2.5 2 1.57 1.42
andbook, halfpage
200
0 400 1200
0
MSA873
800
100
V (V)
R
ABCDE
T
j
(°C)
Fig.12 Maximum permissible junction temperature
as a function of reverse voltage.
BYM26A to E
Solid line = VR.
Dotted line = V
RRM
; δ = 0.5.
Fig.13 Maximum permissible junction temperature
as a function of reverse voltage.
BYM26F and G
Solid line = VR.
Dotted line = V
RRM
; δ = 0.5.
handbook, halfpage
200
0 2000
0
MLB601
1000
100
V (V)
R
T
j
( C)
o
FG
Page 9
1996 May 24 9
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
BYM26A to E
Dotted line: Tj= 175 °C.
Solid line: Tj=25°C.
Fig.14 Forward current as a function of forward
voltage; maximum values.
handbook, halfpage
024
V
F
(V)
6
10
(A)
I
F
0
8
MSA877
6
4
2
BYM26F and G
Dotted line: Tj= 175 °C.
Solid line: Tj=25°C.
Fig.15 Forward current as a function of forward
voltage; maximum values.
handbook, halfpage
02
V
F
(V)
4
10
(A)
I
F
0
8
MBD426
6
4
2
Fig.16 Reverse current as a function of junction
temperature; maximum values.
handbook, halfpage
MGC549
0 100 200
10
3
10
2
10
1
(µA)
I
R
Tj (°C)
VR=V
RRMmax
.
BYM26A to E
f = 1 MHz; Tj=25°C.
Fig.17 Diode capacitance as a function of reverse
voltage; typical values.
handbook, halfpage
1
MSA874
10 10
2
10
3
1
10
2
10
V (V)
R
C
d
(pF)
BYM26A,B,C
BYM26D,E
Page 10
1996 May 24 10
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
handbook, halfpage
1
MBD435
10 10
2
10
3
1
10
2
10
V (V)
R
C
d
(pF)
BYM26F and G
f = 1 MHz; Tj=25°C.
Fig.18 Diode capacitance as a function of reverse
voltage; typical values. Fig.19 Device mounted on a printed-circuit board.
Dimensions in mm.
handbook, halfpage
MGA200
3
2
7
50
25
50
handbook, full pagewidth
10 Ω
1 Ω
50 Ω
25 V
DUT
MAM057
+
t
rr
0.5
0
0.5
1
I
F
(A)
I
R
(A)
t
0.25
Fig.20 Test circuit and reverse recovery time waveform and definition.
Input impedance oscilloscope: 1 MΩ, 22 pF; tr≤ 7 ns.
Source impedance: 50 Ω; tr≤ 15 ns.
Page 11
1996 May 24 11
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
Fig.21 Reverse recovery definitions.
dbook, halfpage
10%
100%
dI
dt
t
t
rr
I
F
I
R
MGC499
F
dI
dt
R
Page 12
1996 May 24 12
Philips Semiconductors Product specification
Fast soft-recovery
controlled avalanche rectifiers
BYM26 series
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 specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.
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 specification
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 specification.
Fig.22 SOD64.
Dimensions in mm.
The marking band indicates the cathode.
handbook, full pagewidth
MBC049
4.5
max
ka
28 min28 min 5.0 max
1.35
max
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