LESHAN RADIO COMPANY, LTD.
Zener diode
Applications
Constant voltage control
1
LEDZ*BT1G
SERIES
Features
1) 2-pin ultra mini-mold type for high-density
mounting .
2) High reliability.
3) Can be mounted automatically, using chip
mounter.
2
SOD-523
Construction
Silicon epitaxial planar
Pb-Free package is available
ORDERING INFORMATION
Device
LEDZ*BT1G
LEDZ*BT3G
Package
SOD-523
SOD-523
Shipping
3000/Tape&Reel
10000/Tape&Reel
1
CATHODE
2
ANODE
Absolute maximum ratings
Parameter
Power dissipation
Junction temperature
Storage temperature
Operating temperature
Symbol
P
Tj
Tstg
Topr
Limits
150
150
-55 to +150
-55 to +150
Unit
mW
℃
℃
℃
Type No.
TYPE
LEDZ 2.4BT1G
LEDZ 2.7BT1G
LEDZ 3.0BT1G
LEDZ 3.3BT1G
LEDZ 3.6BT1G
LEDZ 3.9BT1G
LEDZ 4.3BT1G
LEDZ 4.7BT1G
LEDZ 5.1BT1G
LEDZ 5.6BT1G
LEDZ 6.2BT1G
LEDZ 6.8BT1G
LEDZ 7.5BT1G
LEDZ 8.2BT1G
LEDZ 9.1BT1G
TYPE NO.
TYPE
LEDZ 10BT1G
LEDZ 11BT1G
LEDZ12BT1G
LEDZ13BT1G
LEDZ15BT1G
LEDZ16BT1G
LEDZ18BT1G
LEDZ 20BT1G
LEDZ 22BT1G
LEDZ 24BT1G
LEDZ 27BT1G
LEDZ 30BT1G
LEDZ 33BT1G
LEDZ 36BT1G
TYPE
NO.
22
32
42
52
62
72
82
92
A2
C2
E2
F2
H2
J2
L2
05
15
25
35
45
55
65
75
85
95
A5
C5
E5
F5
1/5
LESHAN RADIO COMPANY, LTD.
LEDZ*BT1G SERIES
Electrical characteristics
(Ta=25°C)
Symbol
TYP.
LEDZ2.4BT1G
LEDZ2.7BT1G
LEDZ3.0BT1G
LEDZ4.7BT1G
LEDZ3.6BT1G
LEDZ3.9BT1G
LEDZ4.3BT1G
LEDZ4.7BT1G
LEDZ5.1BT1G
LEDZ5.6BT1G
LEDZ6.2BT1G
LEDZ6.8BT1G
LEDZ7.5BT1G
LEDZ8.2BT1G
LEDZ9.1BT1G
LEDZ10BT1G
LEDZ11BT1G
LEDZ12BT1G
LEDZ13BT1G
LEDZ15BT1G
LEDZ16BT1G
LEDZ18BT1G
LEDZ20BT1G
LEDZ22BT1G
LEDZ24BT1G
LEDZ27BT1G
LEDZ30BT1G
LEDZ33BT1G
LEDZ36BT1G
Zener voltage
：Vz(V)
Operating resistance
：Zz(Ω)
Rising operating
resistance
：Zz(Ω)
Reverse current
：
IR(uA)
MIN.
2.43
2.69
3.01
3.32
3.600
3.890
4.170
4.550
4.980
5.490
6.060
6.650
7.280
8.020
8.850
9.770
10.760
11.740
12.910
14.340
15.850
17.560
19.520
21.540
23.720
26.190
29.190
32.150
35.070
MAX.
2.63
2.91
3.22
3.53
3.845
4.160
4.430
4.750
5.200
5.730
6.330
6.930
7.600
8.360
9.230
10.210
11.220
12.240
13.490
14.980
16.510
18.350
20.390
22.470
24.780
27.530
30.690
33.790
36.870
Iz(mA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
2.0
2.0
2.0
2.0
MAX.
100
110
120
120
100
100
100
100
80
60
60
40
30
30
30
30
30
30
37
42
50
65
85
100
120
150
200
250
300
Iz(mA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
2.0
2.0
2.0
2.0
MAX.
1000.0
1000.0
1000.0
1000.0
1000.0
1000.0
1000.0
800.0
500.0
200.0
100.0
60.0
60.0
60.0
60.0
60.0
60.0
80.0
80.0
80.0
80.0
80.0
100.0
100.0
120.0
150.0
200.0
250.0
300.0
Iz(mA)
0.5
0.5
0.5
0.5
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
MAX.
100
100
50
20
10.0
5.0
5.0
2.0
2.0
1.0
1.0
0.5
0.5
0.5
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
VR(V)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
2.5
3.0
3.5
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
15.0
17.0
19.0
21.0
23.0
25.0
27.0
2/5
LESHAN RADIO COMPANY, LTD.
LEDZ*BT1G SERIES
Electrical characteristic curves
(Ta=25°C)
10
1
ZENER CURRENT:Iz(mA)
0.1
4.7
0.01
4.3
3.9
5.6
3.6
5.1
6.2
6.8
7.5
8.2 9.1
10
11 12
13
15
16
18
20
22
24
27
30
33
36
0.001
0
5
10
15
20
ZENER VOLTAGE:Vz(V)
Vz-Iz CHARACTERISTICS
25
30
35
40
160
POWER DISSIPATION:Pd(mW)
140
10000
PRSM
t
120
100
80
60
40
20
0
0
25
50
75
100
125
150
AMBIENT TEMPERATURE:Ta(℃)
Pd-Ta CHARACTERISTICS
0.12
0.1
40
35
30
25
20
15
10
5
0
-5
0
10
20
30
ZENER VOLTAGE：Vz(V)
γz-Vz CHARACTERISTICS
40
REVERSE SURGE MAXIMUM
POWER:PRSM(W)
1000
100
10
1
0.1
0.001
0.01
0.1
1
10
100
TIME:t(ms)
PRSM-TIME CHARACTERISTICS
1000
Rth(j-a)
TRANSIENT
THAERMAL IMPEDANCE:Rth (℃/W)
TEMP.COEFFICIENCE:γz(mV/℃)
100
TEMP.COEFFICIENCE:γz(％/℃)
0.08
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
Rth(j-c)
10
Mounted on epoxy board
IM=10mA
IF=100mA
1
1ms
time
300us
0.1
0.001
0.01
1
10
100
TIME:t(s)
Rth-t CHARACTERISTICS
0.1
1000
3/5
LESHAN RADIO COMPANY, LTD.
LEDZ*BT1G SERIES
10
Ta=25℃
Ta=75℃
Ta=125℃
100
10
1
0.1
0.01
0.001
0.0001
7
8
9
10
ZENER VOLTAGE：Vz(V)
Vz-Iz CHARACTERISTICS
11
Ta=125℃
100
f=1MH½
Ta=75℃
CAPACITANCE BETWEEN
TERMINALS:Ct(pF)
6
1
Ta=-25℃
0.1
REVERSE CURRENT:IR(nA)
ZENER CURRENT:Iz(mA)
Ta=25℃
10
0.01
Ta=-25℃
0.001
1
0
1
2
3
4
5
REVERSE VOLTAGE：VR(V)
VR-IR CHARACTERISTICS
0
1
2
3
4
5
REVERSE VOLTAGE:VR(V)
VR-Ct CHARACTERISTICS
6
9.4
REVERSE CURRENT:IR(nA)
9.3
9.2
9.1
AVE:9.138V
9
8.9
Ta=25℃
IZ=5mA
n=25℃
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
AVE:0.0831nA
Ta=25℃
VR=6.0V
n=30pcs
100
90
CAPACITANCE BETWEEN
TERMINALS:Ct(pF)
80
70
60
50
40
30
20
10
0
IR DISPERSION MAP
Ct DISPERSION MAP
AVE:37.50pF
Ta=25℃
f=1MHz
VR=0V
n=10pcs
ZENER VOLTAGE:Vz(V)
Vz DISPERSION MAP
100
DYNAMIC IMPEDANCE:Zz(Ω)
10
1
0.1
1
ZENER CURRENT:Iz(mA)
Zz-Iz CHARACTERISTICS
10
4/5
LESHAN RADIO COMPANY, LTD.
LEDZ*BT1G SERIES
SC-79/SOD-523
A
C
HE
V M A
0
0.5
scale
1mm
D
A
E b
p
DIMENSIONS (mm are the original dimensions)
UNIT
mm
A
0.7
0.5
b
p
0.35
0.25
c
0.2
0.1
D
1.3
1.1
E
0.9
0.7
H
E
1.7
1.5
V
0.15
Note
1. The marking bar indicates the cathode.
OUTLINE
VERSION
SOD523
REFERENCES
IEC
JEDEC
EIAJ
SC-79
EUROPEAN
PROJECTION
ISSUE DATE
98-11-25
5/5
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