AUTO TVS/PKD(8KW) Series
AUTO TVS/PK
) Series
AUTO
Features
>Glass
passiated junction
>Surface mount SOD-BLOCK
>Un-directional
>Very
Low Clamping
Voltage
>High
Temperature soldering:260°C/10 seconds at terminals
>Continued
current transient suppressor
>RoHScompliant
>8KW peak pulse power capability on 10/1000us waveform
IEC COMPATIBILITY
> ISO 7637-2 5a 12v System ( 87V 2
Ω
400ms 10c)
>
>
24v System (150V 4
Ω
350ms 10c)
Package Dimensions
APPLICATIONS
>Auto powers system
>Can-bus
>ABS powers
>Car audio and video
>Automotive instrument
>Bluetooth
>Car GPS
REV.2014.05.01
01 | www.spsemi.cn
AUTO TVS/PKD(8KW) Series
AUTO TVS/PK
AUTO
Electrical Characteristics
Standoff
Voltage(Vd
c)Volts
Vrwm(V)
Reverse
Leakage
IR(uA)
Breakdown
Voltage(Vbr)@IT
Min.
max.
Max. Clamping Voltage
Test
Vcl@Ipp 10/1000us
Current IT
mA
Vcl（V）
Ipp（A）
Part Numbers
UN
PKD18A
PKD20A
18
20
22
24
26
30
33
36
43
2
2
2
2
2
2
2
2
2
20.0
22.2
24.0
26.7
28.9
33.3
36.7
40.0
47.8
22.1
24.5
26.9
29.5
31.9
36.8
40.6
44.2
52.8
5
5
5
5
5
5
5
5
5
29.2
32.4
35.5
38.9
42.1
48.4
53.3
58.1
69.4
274.0
246.9
225.4
205.7
190.0
165.3
150.1
137.7
115.3
*
PKD22A
PKD24A
PKD26A
PKD30A
PKD33A
*
PKD36A
PKD43A
* Commonly used models
Test ISO 7637-2 pulse 5a
Figure 11 — Test pulse 5a
Table 9 — Parameters for test pulse 5a
Parameter
12 V system
24 V system
U
s
65 V to 87 V
123 V to 174 V
R
i
0,5
Ω
to 4
Ω
1
Ω
to 8
Ω
t
d
40 ms to 400 ms
100 ms to 350 ms
t
r
(
10
−
0
)
ms
5
REV.2014.05.01
02 | www.spsemi.cn
AUTO TVS/PKD(8KW) Series
AUTO TVS/PK
AUTO
Soldering Parameters
Peak Pulse Power Rating Curve
1000
100000
T
J
= 25°C
f = 1MH
Z
Vsig = 50mVp-p
Measured at
Zero Bias
Typical Junction Capacitance
P
PPM
-Peak Pulse Power (kW)
100
C
J
,
Junction Capacitance (pF)
10000
10
1000
Measured at
Stand-off
Vottage,
1
0.1
0.000001
100
1
5
10
10
100
200
1000
0.00001
0.0001
0.001
V(br) ,Breakdown voltage,
volts
t
d
-Pulse Width (Sec.)
Pulse Waveform
Maximum Non-repetitive Forward Surge
150
t
r
= 10µsec.
Peak Value
I
PPM
100
Half Value- I
PPM
2
T
J
= 25°C
Pulse Width(td)is defined
as the point where the
peak current decays to
50% of I
PPM
50
10/1000µsec.Waveform
as defined by R.E.A.
td
0
0
1.0
3.0
t - Time(ms)
2.0
3.0
4.0
4.0
Power Derating Curve
8
60Hz
Resistive or Inductive Load
I
FSM
,Peak Forward Surge Currnet (A
I
PPM
- Peak Pulse Current,% I
RSM
Pulse Derating Curve
100
87.5
P
PM(AV)
,Steady State Power
Dissipation (W)
P
PPM
-Peak Pulse Power (kW)
100
125
150
175
200
6
75
62.5
50
37.5
25
12.5
0
0
25
50
75
100
125
150
175
200
4
0.375" (9.5mm)
Lead Lengths
2
0.8x0.8x0.040"(20x20mm)
Copper Heat Sinks
0
0
25
50
75
T
L
- Lead Temperature (°C)
TA - Ambient Temperatur(°C)
Physical Specifications
REV.2014.05.01
03 | www.spsemi.cn
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