Document
Diodes
Zener diode
PTZ Series
PTZ Series
!Applications 1) Voltage regulation and voltage limiting. 2) Voltage surge absorption.
!Features 1) Small surface mounting type. (PMDS) 2) 1W of power can be obtained despite compact size. 3) High surge withstand level.
!Construction Silicon epitaxial planar
!External dimensions (Units : mm)
1.5±0.2 CATHODE MARK
4.5±0.2 1.2±0.3
5.0±0.3
0∼0.1
2.6±0.2
ROHM : PMDS EIAJ : − JEDEC : SOD-106
0.1
+0.02 −0.1
2.0±0.2
Model name (voltage rank) Date of manufacture Ex. 1999.12→9.C
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Power dissipation ∗
P
1
W
Junction temperature
Tj
150
°C
Storage temperature
Tstg
−55~+150
°C
∗ Mounting density of other power components should be taken into consideration when laying out the pattern.
!Marking (Voltage rank)
Type No. PTZ3.6B PTZ3.9B PTZ4.3B PTZ4.7B PTZ5.1B PTZ5.6B PTZ6.2B PTZ6.8B PTZ7.5B
(Ex.) PTZ3.6B
3.6 B 3.9 B 4.3 B 4.7 B 5.1 B 5.6 B 6.2 B 6.8 B 7.5 B
Type No. PTZ8.2B PTZ9.1B PTZ10B PTZ11B PTZ12B PTZ13B PTZ15B PTZ16B PTZ18B
8.2 B 9.1 B 10 B 11 B 12 B 13 B 15 B 16 B 18 B
Type No. PTZ20B PTZ22B PTZ24B PTZ27B PTZ30B PTZ33B PTZ36B
− −
20 B 22 B 24 B 27 B 30 B 33 B 36 B
− −
3.6B 9C
Zener voltage category Year of manufacture: last digit of Western calendar
Month of manufacture
Ex.) PTZ3.6B 1999 Dec.
Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Symbol 1 2 3 4 5 6 7 8 9 O A C
Diodes
!Electrical characteristics (Ta=25°C)
Zener voltage subdivision
Operating resistance
Reverse current
Type PTZ 3.6B
Min. 3.600
VZ (V) Max. 4.000
IZ (mA)
40
ZZ (Ω)
Max.
IZ (mA)
15
40
IR (µA)
Max.
VR (V)
20
1.0
PTZ 3.9B
3.900
4.400
40
15
40
20
1.0
PTZ 4.3B
4.300
4.800
40
15
40
20
1.0
PTZ 4.7B
4.700
5.200
40
10
40
20
1.0
PTZ 5.1B
5.100
5.700
40
8
40
20
1.0
PTZ 5.6B
5.600
6.300
40
8
40
20
1.5
PTZ 6.2B
6.200
7.000
40
6
40
20
3.0
PTZ 6.8B
6.800
7.700
40
6
40
20
3.5
PTZ 7.5B
7.500
8.400
40
4
40
20
4.0
PTZ 8.2B
8.200
9.300
40
4
40
20
5.0
PTZ 9.1B
9.100
10.200
40
6
40
20
6.0
PTZ 10B
10.000
11.200
40
6
40
10
7.0
PTZ 11B
11.000
12.300
20
8
20
10
8.0
PTZ 12B
12.000
13.500
20
8
20
10
9.0
PTZ 13B
13.300
15.000
20
10
20
10
10.0
PTZ 15B
14.700
16.500
20
10
20
10
11.0
PTZ 16B
16.200
18.300
20
12
20
10
12.0
PTZ 18B
18.000
20.300
20
12
20
10
13.0
PTZ 20B
20.000
22.400
20
14
20
10
15.0
PTZ 22B
22.000
24.500
10
14
10
10
17.0
PTZ 24B
24.000
27.600
10
16
10
10
19.0
PTZ 27B
27.000
30.800
10
16
10
10
21.0
PTZ 30B
30.000
34.000
10
18
10
10
23.0
PTZ 33B
33.000
37.000
10
18
10
10
25.0
PTZ 36B
36.000
40.000
10
20
10
10
27.0
Notes) 1. The Zener voltage 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).
PTZ Series
POWER DISSIPATION .