HZK-L Series
Silicon Epitaxial Planar Zener Diodes for Stabilized Power
Supply
ADE-208-127B (Z)
Rev. 2
Features
• Low leakage, low zener impedance and maximum power dissipation of 400mW.
• Wide spectrum from 5.2V 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-L 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* 400 mW
Junction temperature Tj 175 °C
Storage temperature Tstg –55 to +175 °C
Note: With P.C. Board.
HZK-L Series
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 I Z (mA)
HZK6L A 5.2 5.7 0.5 1 2.0 150 0.5
B 5.5 6.0 80
C 5.8 6.4 60
HZK7L A 6.3 6.9 0.5 1 3.5 60 0.5
B 6.7 7.3
C 7.2 7.9
HZK9L A 7.7 8.5 0.5 1 6.0 60 0.5
B 8.3 9.1
C 8.9 9.7
HZK11L A 9.5 10.3 0.5 1 8.0 80 0.5
B 10.2 11.1
C 10.9 11.9
HZK12L A 11.6 12.7 0.5 1 10.5 80 0.5
B 12.4 13.4
C 13.2 14.3
HZK15L 14.1 15.5 0.5 1 13.0 80 0.5
HZK16L 15.3 17.1 0.5 1 14.0 80 0.5
HZK18L 16.9 19.0 0.5 1 15.0 80 0.5
HZK20L 18.8 21.1 0.5 1 18.0 100 0.5
HZK22L 20.9 23.3 0.5 1 20.0 100 0.5
HZK24L 22.9 25.5 0.5 1 22.0 120 0.5
HZK27L 25.2 28.6 0.5 1 24.0 150 0.5
HZK30L 28.2 31.6 0.5 1 27.0 200 0.5
HZK33L 31.2 34.6 0.5 1 30.0 250 0.5
HZK36L 34.2 38.0 0.5 1 33.0 300 0.5
Note: Tested with DC.
Type No. is as follows: HZK6AL, HZK6BL, ••• HZK36L.
HZK-L Series
MARK COLOR CODE
Type Cathode Band Second Band Third Band
HZK6AL Orange Verdure Pink
HZK6BL Orange Verdure Verdure
HZK6CL Orange Verdure Light Blue
HZK7AL Orange Yellow Green Pink
HZK7BL Orange Yellow Green Verdure
HZK7CL Orange Yellow Green Light Blue
HZK9AL Orange Purple Pink
HZK9BL Orange Purple Verdure
HZK9CL Orange Purple Light Blue
HZK11AL Orange Light Blue Pink
HZK11BL Orange Light Blue Verdure
HZK11CL Orange Light Blue Light Blue
HZK12AL Orange White Pink
HZK12BL Orange White Verdure
HZK12CL Orange White Light Blue
HZK15L Yellow Black Pink
HZK16L Yellow Yellor Ocher Pink
HZK18L Yellow Pink Pink
HZK20L Yellow Orange Pink
HZK22L Yellow Yellow Pink
HZK24L Yellow Verdure Pink
HZK27L Yellow Yellow Green Pink
HZK30L Yellow Purple Pink
HZK33L Yellow Light Blue Pink
HZK36L Yellow White Pink
HZK-L Series
10
10
10
10
10 0 5 10 15 20 25 30 35 40
Zener Voltage V (V)
Z
Zener Current I (A)
Z
HZK16L HZK24LHZK7L
–2
–6
–5
–4
–3
HZK11L
HZK12L
HZK15L
HZK18L
HZK20L
HZK27L
HZK30L
HZK33L
HZK36L
HZK6L
HZK9L
HZK22L
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-L Series
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-L Series
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
