SMD Zener Diode
CZRF2V4B-HF Thru CZRF39VB-HF
Voltage 2.4 to 39 Volts
Power 200 mWatts
RoHS Device
Halogen Free
Features
-200mW Power Dissipation.
-High Voltages from 2.4 ~ 39 V.
-Designed for mounting on small surface.
-Extremely thin/leadless package.
-Constant voltage control.
-Pb free product.
0.035(0.90)
0.027(0.70)
0.051(1.30)
0.043(1.10)
1005/SOD-323F
0.102(2.60)
0.095(2.40)
Mechanical data
-Case: 1005/SOD-323F Standard package
Molded plastic.
-Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
-Polarity: Indicated by cathode band.
-Weight: 0.006 gram(approx.).
0.040(1.00) Typ.
0.020(0.50) Typ.
0.012 (0.30) Typ.
Dimensions in inches and (millimeter)
Maximum Rating AND Electrical Characteristics
Parameter
Maximum Forward Voltage Drop at I
F
= 10 mA
Maximum Power Dissipation at 25 C
O
Symbol
V
F
P
D
Value
0.9
200
Unit
V
mW
Forward current , surge peak
8.3 ms single half sine-wave superimposed
on rate load( JEDEC method )
Peak ESD voltage capability (IEC 61000-4-2)
Operating Junction and Storage Temperature Range
I
FSM
2.0
A
V
PV
T
J
8
-55 to +125
kV
O
C
REV:A
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Comchip Technology CO., LTD.
SMD Zener Diode
RATING AND CHARACTERISTIC CURVES (CZRF2V4B-HF Thru CZRF39VB-HF)
100m
5. 1
5.6
6.2
6. 8
7.5
8.2
9. 1
10
12
13
11
15
16
18
20
22
27
24
30
33
10m
3.9
1m
ZENER CU RRENT:I
Z
(A)
100μ
10μ
1μ
100n
10n
0
5
10
15
20
25
30
35
40
4.3
4. 7
3 .6
ZENER VOLTAGE:V
Z
(V )
Fig.1 Zener voltage characteristics
O
TE MP CO EF FICI ENT CHA RA CT ERI STICS (%/ C)
300
0.10
I
Z
=5mA
0.08
0.06
0.04
0.02
0.00
2
-0.02
ZENER VOLTAGE:V
Z
(V)
-0.04
-0.06
-0.06
-0.08
10
20
30
I
Z
=500μA
POWER DISSIPATION:Pd(mW)
200
100
0
0
25
50
75
100
O
125
C)
150
AMBIENT TEMPERATURE:Ta(
Fig.2 Derating curve
Fig.3 Zener voltage-temp.
Coefficient characteristics
36
REV:A
QW-G2009
Page 3
Comchip Technology CO., LTD.
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