FORMOSA LL55C

Formosa MS
LL55C Series
Zener diode
Features
1.
Small surface mounting type
2.
High reliability
Applications
Voltage stabilization
Construction
Silicon epitaxial planar
Absolute Maximum Ratings
Tj=25?
Parameter
Power dissipation
Z-current
Junction temperature
Storage temperature range
Test Conditions
RthJA? 300K/W
Type
Symbol
PV
IZ
Tj
Tstg
Value
500
PV/VZ
175
-65~+175
Unit
mW
mA
?
?
Value
500
Unit
K/W
Maximum Thermal Resistance
Tj=25?
Parameter
Junction ambient
Test Conditions
on PC board 50mm× 50mm× 1.6mm
Symbol
RthJA
Electrical Characteristics
Tj=25?
Parameter
Forward voltage
Test Conditions
IF =200mA
Formosa MS
Type
Symbol
VF
Min
Typ
Max
1.5
Unit
V
1
Formosa MS
Type
LL55C.
2V4
2V7
3V0
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
1)
VZnom
V
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
IZT for VZT and
1)
mA
V
5
2.28~2.56
5
2.5~2.9
5
2.8~3.2
5
3.1~3.5
5
3.4~3.8
5
3.7~4.1
5
4.0~4.6
5
4.4~5.0
5
4.8~5.4
5
5.2~6.0
5
5.8~6.6
5
6.4~7.2
5
7.0~7.9
5
7.7~8.7
5
8.5~9.6
5
9.4~10.6
5
10.4~11.6
5
11.4~12.7
5
12.4~14.1
5
13.8~15.6
5
15.3~17.1
5
16.8~19.1
5
18.8~21.2
5
20.8~23.3
5
22.8~25.6
5
25.1~28.9
5
28~32
5
31~35
5
34~38
2.5
37~41
2.5
40~46
2.5
44~50
2.5
48~54
2.5
52~60
2.5
58~66
2.5
64~72
2.5
70~79
rzjT
O
<85
<85
<90
<90
<90
<90
<90
<80
<60
<40
<10
<8
<7
<7
<10
<15
<20
<20
<26
<30
<40
<50
<55
<55
<80
<80
<80
<80
<80
<90
<90
<110
<125
<135
<150
<200
<250
rzjK at
O
<600
<600
<600
<600
<600
<600
<600
<600
<550
<450
<200
<150
<50
<50
<50
<70
<70
<90
<110
<110
<170
<170
<220
<220
<220
<220
<220
<220
<220
<500
<600
<700
<700
<1000
<1000
<1000
<1500
IZ K
mA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
IR and IR at VR
2)
µ A
? A
V
<50
<100
1
<10
<50
1
<4
<40
1
<2
<40
1
<2
<40
1
<2
<40
1
<1
<20
1
<0.5
<10
1
<0.1
<2
1
<0.1
<2
1
<0.1
<2
2
<0.1
<2
3
<0.1
<2
5
<0.1
<2
6.2
<0.1
<2
6.8
<0.1
<2
7.5
<0.1
<2
8.2
<0.1
<2
9.1
<0.1
<2
10
<0.1
<2
11
<0.1
<2
12
<0.1
<2
13
<0.1
<2
15
<0.1
<2
16
<0.1
<2
18
<0.1
<2
20
<0.1
<2
22
<0.1
<2
24
<0.1
<2
27
<0.1
<5
30
<0.1
<5
33
<0.1
<5
36
<0.1
<10
39
<0.1
<10
43
<0.1
<10
47
<0.1
<10
51
<0.1
<10
56
TKVZ
%/K
-0.09~-0.06
-0.09~-0.06
-0.08~-0.05
-0.08~-0.05
-0.08~-0.05
-0.08~-0.05
-0.06~-0.03
-0.05~+0.02
-0.02~+0.02
-0.05~+0.05
0.03~0.06
0.03~0.07
0.03~0.07
0.03~0.08
0.03~0.09
0.03~0.1
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.03~0.11
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
0.04~0.12
Tighter tolerances available request:
LL55A…
± 1% of VZnom
LL55B…
± 2% of VZnom
LL55F…
± 3% of VZnom
2)
LL55C Series
at Tj=150?
Formosa MS
2
Formosa MS
LL55C Series
Characteristics (Tj=25? unless otherwise specified)
Formosa MS
3
Formosa MS
LL55C Series
Formosa MS
4
Formosa MS
LL55C Series
Dimensions in mm
Cathode band
Glass Case
Mini Melf / SOD 80
JEDEC DO 213 AA
Formosa MS
5