RD2.0ES SERIES
V
Z
: 2.0 - 37.5Volts
P
D
: 400 mW
FEATURES :
* High reliability
* Low leakage current
* Suitable for 5mm - pitch high speed automatical
insertion
* Pb / RoHS Free
ZENER DIODES
DO - 34 Glass
0.078 (2.0 )max.
1.00 (25.4)
min.
Cathode
Mark
0.118 (3.0)
max.
0.019 (0.50)max.
MECHANICAL DATA
Case:
DO-34 Glass Case
Weight:
approx. 0.093g
1.00 (25.4)
min.
Dimensions in inches and ( millimeters )
ORDERING INFORMATION
RD2.0ES to RD39ES with suffix "AB1", "AB2", or "AB3"
should be applied for oders for suffix "AB"
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified
Parameter
Forward Rectifier Current
Power Dissipation
Surge Reverse Power (t = 10µs)
Junction Temperature
Storage Temperature Range
Symbol
I
F
P
D
P
RSM
Tj
Tstg
Value
150
400
100
175
- 65 to + 175
Unit
mA
mW
W
°C
°C
Fig. 1 POWER DISSIPATION vs. AMBIENT TEMPERATURE
500
P
D
, MAXIMUM DISSIPATION
(MILLIWATTS)
400
300
200
100
0
0
20
40 60 80 100 120 140 160 180 200
Ta
,
AMBIENT TEMPERATURE (
°
C)
Page 1 of 4
Rev. 01 : June 29, 2005
ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified
Zener Voltage
(1)
Type
Suffix
Vz (V) at I
ZT
min.
max.
20.15
20.15
20.64
21.08
21.52
22.05
22.05
22.61
23.12
23.63
24.26
24.26
24.97
25.63
26.29
26.99
26.99
27.70
28.36
29.02
29.68
29.68
30.32
30.90
31.49
32.14
32.14
32.79
33.40
34.01
34.68
34.68
35.36
36.00
36.63
22.63
21.20
21.71
22.17
22.63
22.63
23.18
23.77
24.31
24.85
27.64
25.52
26.26
26.95
27.64
30.51
28.39
29.13
29.82
30.15
33.11
31.22
31.88
32.50
33.11
35.77
33.79
34.49
35.13
35.77
38.52
36.47
37.19
37.85
38.52
Test
Current
I
ZT
(mA)
Maximum Zener
(2)
Impedance
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
(Ω)
(Ω)
I
ZK
(mA)
Maximum
Reverse Current
I
R
at V
R
(µA)
(V)
RD22ES
RD24ES
RD27ES
RD30ES
RD33ES
RD36ES
RD39ES
AB
AB1
AB2
AB3
AB4
AB
AB1
AB2
AB3
AB4
AB
AB1
AB2
AB3
AB4
AB
AB1
AB2
AB3
AB4
AB
AB1
AB2
AB3
AB4
AB
AB1
AB2
AB3
AB4
AB
AB1
AB2
AB3
AB4
5
30
200
0.5
0.2
17
5
30
200
0.5
0.2
19
5
45
250
0.5
0.2
21
5
55
250
0.5
0.2
23
5
65
250
0.5
0.2
25
5
75
250
0.5
0.2
27
5
85
250
0.5
0.2
30
Notes :
(1) Tested with pulse (40 ms )
(2) Z
Z
and Z
ZK
are measured at I
Z
by given a very small A.C. current signal.
(3) Suffix AB is Suffix AB1, AB2, AB3, or AB4
Page 4 of 4
Rev. 01 : June 29, 2005
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