Data Sheet
Zener diode
TFZ series
Applications
Voltage regulation
Dimensions
(Unit : mm)
0.17±0.1
0.05
1.3±0.05
Land
size figure
(Unit : mm)
1.1
TUMD2
Construction
Silicon epitaxial planer
0.8±0.05
0.6±0.2
ROHM : TUMD2
0.1
dot (year week factory) + day
Structure
EX. TFZ3.6B
Taping
dimensions
(Unit : mm)
4.0±0.1
2.0±0.05
3.5±0.05
1.75±0.1
φ1.55±0.1
0
0.25±0.05
8.0±0.2
1.43±0.05
4.0±0.1
φ1.0±0.2
0
2.75
2.8±0.05
0.9±0.08
Absolute
maximum ratings
(Ta=25°C)
Parameter
Symbol
Power dissipation
P
Junction temperature
Tj
Storage temperature
Tstg
Operating resistance
Topr
Limits
500
150
55
to
150
55
to
150
Unit
mW
°C
°C
°C
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1/5
2011.10 - Rev.A
0.8 0.5
Features
1) Small power mold type (TUMD2)
2) High reliability
3) By chip-mouter,
automatic mouting is possible.
1.9±0.1
2.5±0.2
2.0
TFZ series
Electical
characteristics
(Ta=25°C)
Symbol
TYP.
Zener Voltage：Vz(V)
MIN.
MAX.
Iz(mA)
Data Sheet
Dynamic Impedance : Z
Z
(Ω)
Reverse
Current：I
R
(A)
MAX.
V
R
(V)
MAX.
Iz(mA)
TFZ 3.6B
TFZ 3.9B
TFZ 4.3B
TFZ 4.7B
TFZ 5.1B
TFZ 5.6B
TFZ 6.2B
TFZ 6.8B
TFZ 7.5B
TFZ 8.2B
TFZ 9.1B
TFZ 10B
TFZ 11B
TFZ 12B
TFZ 13B
TFZ 15B
TFZ 16B
TFZ 18B
TFZ 20B
TFZ 22B
TFZ 24B
TFZ 27B
TFZ 30B
TFZ 33B
TFZ 36B
TFZ 39B
3.600
3.890
4.170
4.550
4.940
5.450
5.960
6.490
7.070
7.780
8.570
9.410
10.500
11.440
12.550
13.890
15.250
16.820
18.630
20.640
22.610
24.970
27.700
30.320
32.790
35.360
3.845
4.160
4.430
4.800
5.200
5.730
6.270
6.830
7.450
8.190
9.010
9.900
11.050
12.030
13.210
14.620
16.040
17.700
19.590
21.710
23.770
26.260
29.130
31.880
34.490
37.190
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
5
5
5
5
5
5
5
60
50
40
25
20
13
10
8
8
8
8
8
10
12
14
16
18
23
28
30
35
45
55
65
75
85
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
5
5
5
5
5
5
5
10
5
5
5
5
5
5
2
0.5
0.5
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1.0
1.0
1.0
1.0
1.5
2.5
3.0
3.5
4.0
5.0
6.0
7.0
8.0
9.0
10
11
12
13
15
17
19
21
23
25
27
30
(1) The zener voltage(Vz) is measured 40ms after power is supplied.
(2) The operating resistances(Zz,Zzk) are measured by superimposing a minute alternating current
on the regulated current(Iz)
MARKING
(TYPE NO.)
TYPE
TYPE NO.
TFZ 3.6B
B6
TFZ 3.9B
B7
TFZ 4.3B
B8
TFZ 4.7B
B9
TFZ 5.1B
BA
TFZ 5.6B
BB
TFZ 6.2B
BC
TFZ 6.8B
BD
TFZ 7.5B
BE
TFZ 8.2B
BF
TFZ 9.1B
BG
TFZ 10B
BH
TFZ 11B
BI
TFZ 12B
BJ
TFZ 13B
BK
TFZ 15B
BL
TYPE
TFZ 16B
TFZ 18B
TFZ 20B
TFZ 22B
TFZ 24B
TFZ 27B
TFZ 30B
TFZ 33B
TFZ 36B
TFZ 39B
TYPE NO.
B
B
B
B
B
B
B
B
B
B
M
N
O
P
Q
R
S
T
U
V
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2/5
2011.10 - Rev.A
TFZ series
Data Sheet
100
10
ZENER CURRENT:Iz(mA)
1
0.1
4.7
4.3
3.9
6.2
3.6
5.1
5.6
6.8 8.2
0.01
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
7.5
0.001
0
5
10
15
20
ZENER VOLTAGE:Vz(V)
Vz-Iz CHARACTERISTICS
Pd-Ta
25
30
35
40
600
POWER DISSIPATION:Pd(mW)
500
400
300
200
100
0
0
50
10000
INPUT WAVEFORM
REVERSE SURGE MAXIMUM
POWER:PRSM(W)
PRSM
t 1puls
1000
100
10
1
100
150
200
0.001
0.01
0.1
1
10
100
AMBIENT TEMPERATURE:Ta(°C)
Pd-Ta CHARACTERISTICS
TIME:t(ms)
PRSM-TIME CHARACTERISTICS
40
35
TRANSIENT
THAERMAL IMPEDANCE:Rth (°C/W)
TEMP.COEFFICIENCE:γz(mV/°C)
30
25
10mA
10mA
time(S) 300μs
500mW
0.1
0.08
0.06
TEMP.COEFFICIENCE:γz(%/°C)
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
-0.1
0
%/°C
1000
INPUT WAVEFORM
Rth(j-a)
mV/°C
20
15
10
5
0
-5
-10
100
Rth(j-c)
5
10
15
20
25
30
35
40
10
0.001
0.01
1
10
TIME:t(s)
Rth-t CHARACTERISTICS
0.1
100
1000
ZENER VOLTAGE：Vz(V)
γz-Vz
CHARACTERISTICS
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© 2011 ROHM Co., Ltd. All rights reserved.
3/5
2011.10 - Rev.A
TFZ3.6B
Data Sheet
100
1000
10
ZENER CURRENT:Iz(mA)
Ta=125°C
Ta=75°C
REVERSE CURRENT:I
R
(nA)
100
Ta=125°C
10
1
Ta=25°C
0.1
Ta=-25°C
1
Ta=75°C
Ta=25°C
0.1
0.01
0.001
0
1
2
3
4
5
ZENER VOLTAGE:Vz(V)
Vz-Iz CHARACTERISTICS
0.01
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
REVERSE VOLTAGE：V
R
(V)
V
R
-I
R
CHARACTERISTICS
1000
f=1MHz
3.9
Ta=25°C
I
Z
=20mA
n=30pcs
ZENER VOLTAGE:Vz(V)
3.85
CAPACITANCE BETWEEN
TERMINALS:Ct(pF)
100
3.8
3.75
AVE:3.781V
10
0
0.2
0.4
0.6
0.8
1
REVERSE VOLTAGE:V
R
(V)
V
R
-Ct CHARACTERISTICS
3.7
Vz DISRESION MAP
500
CAPACITANCE BETWEENTERMINALS:Ct(pF)
Ta=25°C
V
R
=1.0V
n=30pcs
400
Ta=25°C
f=1MHz
V
R
=0V
n=10pcs
450
REVERSE CURRENT:I
R
(nA)
380
400
360
AVE:370.5pF
340
350
300
AVE:308.7nA
250
320
200
I
R
DISRESION MAP
300
Ct DISRESION MAP
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© 2011 ROHM Co., Ltd. All rights reserved.
4/5
2011.10 - Rev.A
TFZ3.6B
Data Sheet
10000
DYNAMIC IMPEDANCE:Zz(Ω)
1000
100
10
1
0.1
1
ZENER CURRENT(mA)
Zz-Iz CHARACTERISTICS
10
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5/5
2011.10 - Rev.A
