HZK Series
Silicon Epitaxial Planar Zener Diodes for Stabilized Power Supply
ADE-208-126B (Z)
Rev. 2
Features
• Low leakage, low zener impedance and maximum power dissipation of 500mW.
• Wide spectrum from 1.9V through 38V of zener voltage provide flexible application.
• LLD Package is suitable for high density surface mounting and high speed assembly.
Ordering Information
Type No. Mark Package Code
HZK Series Color Code LLD
Outline
1. Cathode
2. Anode
12
Cathode band
3rd. band
2nd. band
12
Cathode band
3rd. band
2nd. band
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol Value Unit
Power dissipation Pd* 500 mW
Junction temperature Tj 175 °C
Storage temperature Tstg –55 to +175 °C
Note: With P.C. Board.
HZK Series
2
Electrical Characteristics (Ta = 25°C)
Zener Voltage Reverse Current Dynamic Resistance
VZ (V)* Test
Condition IR (µA) Test
Condition rd (Ω)Test
Condition
Type Grade Min Max IZ (mA) Max VR (V) Max IZ (mA)
HZK2 B 1.9 2.3 5 5 0.5 100 5
C 2.2 2.6
HZK3 A 2.5 2.9 5 5 0.5 100 5
B 2.8 3.2
C 3.1 3.5
HZK4 A 3.4 3.8 5 5 1.0 100 5
B 3.7 4.1
C 4.0 4.4
HZK5 A 4.3 4.7 5 5 1.5 100 5
B 4.6 5.0
C 4.9 5.3
HZK6 A 5.2 5.7 5 5 2 40 5
B 5.5 6.0
C 5.8 6.4
HZK7 A 6.3 6.9 5 1 3.5 15 5
B 6.7 7.3
C 7.2 7.9
HZK9 A 7.7 8.5 5 1 5 20 5
B 8.3 9.1
C 8.9 9.7
HZK11 A 9.5 10.3 5 1 7.5 25 5
B 10.2 11.1
C 10.9 11.9
HZK12 A 11.6 12.7 5 1 9.5 35 5
B 12.4 13.4
C 13.2 14.3
HZK15 14.1 15.5 5 1 11 40 5
HZK16 15.3 17.1 5 1 12 45 5
HZK18 16.9 19.0 5 1 13 55 5
HZK20 18.8 21.1 2 1 15 60 2
HZK22 20.9 23.3 2 1 17 65 2
Note: Tested with DC.
HZK Series
3
Electrical Characteristics (Ta = 25°C) (cont)
Zener Voltage Reverse Current Dynamic Resistance
VZ (V)* Test
Condition IR (µA) Test
Condition rd (Ω)Test
Condition
Type Grade Min Max IZ (mA) Max VR (V) Max IZ (mA)
HZK24 22.9 25.5 2 1 19 70 2
HZK27 25.2 28.6 2 1 21 80 2
HZK30 28.2 31.6 2 1 23 100 2
HZK33 31.2 34.6 2 1 25 120 2
HZK36 34.2 38.0 2 1 27 140 2
Note: Tested with DC.
Type No. is as Follows: HZK2B, HZK2C, ••• HZK36.
HZK Series
4
MARK COLOR CODE
Type Cathode Band Second Band Third Band
HZK2B Yellow Green Yellow Ocher Verdure
HZK2C Yellow Green Yellow Ocher Light Blue
HZK3A Yellow Green Pink Pink
HZK3B Yellow Green Pink Verdure
HZK3C Yellow Green Pink Light Blue
HZK4A Yellow Green Orange Pink
HZK4B Yellow Green Orange Verdure
HZK4C Yellow Green Orange Light Blue
HZK5A Yellow Green Yellow Pink
HZK5B Yellow Green Yellow Verdure
HZK5C Yellow Green Yellow Light Blue
HZK6A Yellow Green Verdure Pink
HZK6B Yellow Green Verdure Verdure
HZK6C Yellow Verdure Verdure Light Blue
HZK7A Yellow Green Yellow Green Pink
HZK7B Yellow Green Yellow Green Verdure
HZK7C Yellow Green Yellow Green Light Blue
HZK9A Yellow Green Purple Pink
HZK9B Yellow Green Purple Verdure
HZK9C Yellow Green Purple Light Blue
HZK11A Yellow Green Light Blue Pink
HZK11B Yellow Green Light Blue Verdure
HZK11C Yellow Green Light Blue Light Blue
HZK12A Yellow Green White Pink
HZK12B Yellow Green White Verdure
HZK12C Yellow Green White Light Blue
HZK15 Light Blue Black Pink
HZK16 Light Blue Yellor Ocher Pink
HZK18 Light Blue Pink Pink
HZK20 Light Blue Orange Pink
HZK22 Light Blue Yellow Pink
HZK24 Light Blue Verdure Pink
HZK27 Light Blue Yellow Green Pink
HZK30 Light Blue Purple Pink
HZK33 Light Blue Light Blue Pink
HZK36 Light Blue White Pink
HZK Series
5
10
8
6
4
2
04812 16 20
Zener Current I Z(mA)
Zener Voltage VZ(V)
HZK4
HZK5
HZK6
HZK3
24 28 32 4036
HZK7
HZK16
HZK12
HZK15
HZK18
HZK11
HZK9
HZK2
HZK20
HZK27
HZK22
HZK24
HZK33
HZK36
HZK30
Fig.1 Zener current Vs. Zener voltage
0510
15 20 25 30 35 40
Zener Voltage V (V)
Zener Voltage
Temperature Coefficient (%/°C)
z
γ
50
40
30
20
10
0
–10
–20
–30
–40
–50
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
Z
Zener Voltage
Temperature Coefficient (mV/°C)
z
γ
%/°C
mV/°C
Fig.2 Temperature Coefficient Vs. Zener voltage
HZK Series
6
500
400
300
200
100
200
150100
50
0
Ambient Temperature Ta (°C)
Power Dissipation P (mW)
d
0
2.5mm
3mm
Printed circuit board
15 20 1.6t mm
Material: Glass epoxy
××
Fig.3 Power Dissipation Vs. Ambient Temperature
HZK Series
7
Package Dimensions
(0.35typ)
1.35 ± 0.1
φ
3.5 +0.1
–0.2
12
Cathode band
3rd. band
2nd. band
( ) : Reference only
(0.35typ)
1.35 ± 0.1
φ
3.5 +0.1
–0.2
12
Cathode band
3rd. band
2nd. band
HITACHI Code
JEDEC Code
EIAJ Code
Weight (g)
LLD
—
—
0.027
1
2Cathode
Anode
Unit: mm
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