LESHAN RADIO COMP ANY , LTD.
35A–1/2
FAST GPP DIODES
BA157G
BA158G
BA159DG
BA159G
TYPE Maximum
Peak Reverse
Voltage
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
Maximum
Forward Peak
Surge Current @
8.3ms Superimposed
Maximum
Reverse
Current @ PRV
@ TA=25ºC
Maximum
Forward
Voltage
@ TA=25ºC
Package
Dimensions
Maximum
Reverse
Recovery Time
1.0
Trr I F = 0.5A, I R = 1.0A, I RR = 0.25A
Trr Test Conditions: I F = 0.5A, I R = 1.0A, I RR = 0.25A
400
600
800
1000
PRV
V PK
I O @ T L
A AV ºC
I FM (Surge)
A PK
I R
µAdc
I FM V FM
A PK V PK
Trr
ns
BA157G – BA159G
55 20 5.0 1.0 1.3
150
250
500
500
DO – 41
DO – 41
.107(2.7) DIA
.080(2.0)
1.0(25.4)
MIN
.205(5.2)
.166(4.2)
.034(0.9) DIA
.028(0.7)
1.0(25.4)
MIN
LESHAN RADIO COMP ANY , LTD.
35A–2/2
BA157G-BA159G
GPP
RATING & CHARACTERISTIC CURVES OF FAST GPP DIODE
FIG. 2 – TYPICAL FORWARD
CURRENT DERATING CURVE
AMBIENT TEMPER ATURE, (ºC)
+0.5A
0
-0.25A
-1.0A SET TIME
Trr
NOTES:1.Rise Time=7ns max.
Input Impedance=1megohm.22pF.
2.Rise Time=10ns max.
Source Impedance=50 ohms.
(+)
PULSE
GENERATOR
(NOTE 2)
(-)
D.U.T.
OSCILLOSCOPE
(NOTE 1)
1Ω
NON.
INDUCTIVE
(+)
25Vdc
(APPROX)
(-)
50 Ω10 Ω
NONINDUCTIVE NONINDUCTIVE
FIG.1 – TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
BASE FOR 10 ns/cm
AVERAGE FORWARD CURRENT,(A)
1cm
0 25 50 75 100 125 150 175
1.0
0.8
0.6
0.4
0.2
0
IPK/IAV =π
Resistive or
Inductive Load
0.375”(9.5mm)
Lead lengths
INSTANTANEOUS FORWARD CURRENT,(A)
INSTANTANEOUS FORWARD VOLTAGE,(V)
024 6810121416
10
1
.1
.01
TJ =25ºC
Pulse Width=300µs
1% Duty Cycle
FIG.3 – TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
CAPACITANCE,(pF)
FIG.4 – TYPICAL JUNCTION CAPACITANCE
1 5 10 50 100
REVERSE VOLTAGE,(V)
TJ = 25 ºC
f =1MHz
Vsing =50MVp-p
100
10
1
PEAK FORWARD SURGE CURRENT. AMPERES
20
15
10
5
0
FIG.5 – MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
1 2 4 6 10 20 40 60 100
NUMBER OF CYCLES AT 60Hz
TJ =55ºC
8.3ms Single Halt Sine
Wave (JEDEC Method)
