PD = 1 W
Transient Voltage Suppressor DiodeSJPZ-E20

Data Sheet

DescriptionPackage

The SJPZ-E20 is a power Zener diode designed for theprotection of automotive electronic units, especially fromthe surge generated during load dump conditions andvoltage transients induced by inductive loads.

SJP

Features

Cathode Mark

(2)

(1)

● VZ --------------------------------------------- 25 V to 31 V
● PRSM ------------------ 50 W (0.5 ms, single block pulse)● PD -------------------------------------------------------- 1 W● AEC-Q101 Qualified● Meets the Surge Protection Requirements in ISO76372 Standard (Pulse 1 to 3)● Suitable for High Reliability and Automotive
Requirement● High Surge Capability● Flammability UL94V-0 (Equivalent)● Bare Lead Frame: Pb-free (RoHS Compliant)

(1)

(2)

(1) Cathode(2) Anode

Not to scale

Applications
Protection of sensitive electronic equipment inpassenger cars, trucks, vans, and buses:● Engine Control Units● Electric Control Units● Braking System● Power Steering System● Airbags● Audio/Infotainment Equipment

Typical Application

BatteryLoadSurge Absorber
SJPZ-E20GND

SJPZ-E20-DSE Rev.1.0
SANKEN ELECTRIC CO., LTD.
Dec. 22, 2020
https://www.sanken-ele.co.jp/en/© SANKEN ELECTRIC CO., LTD. 2020

1SJPZ-E20
Absolute Maximum Ratings
Unless otherwise specified, TA = 25 °C.
Parameter
Symbol(1)
Power Dissipation
PD
Peak Pulse Reverse Power
PRSM
Junction Temperature
TJ
Storage Temperature
TSTG

Conditions
Lead temperature, TL(2)0.5 ms, single block pulseRating
150−55 to 150−55 to 150Unit
W
W°C°C

Electrical Characteristics
Unless otherwise specified, TA = 25 °C.
Parameter
SymbolReverse Leakage Current
IR
Breakdown Voltage
VZ
Breakdown Voltage Temperature
rZCoefficient
Breakdown Region Equivalent
RZ
Resistance
Thermal Resistance
Rth(J-L)

Conditions
VR = 15 V
IZ = 1 mA

Min.
—25Typ.
——Max.
1031UnitμA
V

IZ = 1 mA

—

16—

mV/°C

IZ = 10 mA to 20 mA

—4—

Ω(3)

——

20°C/W

Max.
―Unit
g

Mechanical Characteristics
Conditions

TL

1.6 mmParameter
Package Weight

Device

Min.
―Typ.
0.072

TA

Copper Area
2 mm
25 mm

2 mm

2 mm
Substrate

25 mm

Figure 1.

Lead Temperature Measurement Conditions(1)

See Figure 2.
See Figure 1.
(3)
Rth(J-L) is thermal resistance between junction and lead. Lead temperature is measured as shown in Figure 1.
(2)

SJPZ-E20-DSE Rev.1.0
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Dec. 22, 2020
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SJPZ-E20
Derating Curves
1000

Peak Pulse Reverse Power, PRSM (W)

1.2

Power Dissipation, PD (W)

1.0

0.8

0.6

0.40.21001010.0020406080

100 120 140 160

0.1

Ambient Temperature, TA (°C)
Figure 2.

(4)(5)

Power Dissipation Curve(4)110100

Pulse Width, tP (ms)Figure 3.

Peak Pulse Reverse Power(5)See Figure 1 for the measurement conditions.
The pulse is single block pulse.

SJPZ-E20-DSE Rev.1.0
SANKEN ELECTRIC CO., LTD.
Dec. 22, 2020
https://www.sanken-ele.co.jp/en/© SANKEN ELECTRIC CO., LTD. 2020

3SJPZ-E20
Characteristic Curves
1Reverse Leakage Current, IR (A)

1.E-07

Forward Current, IF (A)TA = 150 °C0.1
TA = 100 °C
TA = 25 °C

0.010.001
0.01.01.E-08

TA = 150 °C

1.E-092.00Forward Voltage Drop, VF (V)Figure 4.

1015Reverse Voltage, VR (V)Typical Characteristics: IF vs. VF

Figure 5.

10

Typical Characteristics: IR vs. VR (6)231

Breakdown Voltage, VZ (V)Reverse Current, IZ (A)50.10.01

222120190.001
1520253018-100(6)Typical Characteristics: IZ vs. VZ(TJ = 25 °C, t = 0.4 ms)

100200Junction Temperature, TJ (°C)

Breakdown Voltage, VZ (V)Figure 6.

0Figure 7.

Typical Characteristics: VZ vs. TJ

IR is less than 10 nA at 100 °C or less.

SJPZ-E20-DSE Rev.1.0
SANKEN ELECTRIC CO., LTD.
Dec. 22, 2020
https://www.sanken-ele.co.jp/en/© SANKEN ELECTRIC CO., LTD. 2020

4

SJPZ-E20

1000

Thermal Resistance (°C/W)

Rth(J-A)
10010Rth(J-L)
10.1

0.01
0.01

0.1

1101001000

Pulse Width (s)Figure 8.

(7)

Typical Transient Thermal Resistance Characteristics (7)Lead temperature is measured as shown in Figure 1.

SJPZ-E20-DSE Rev.1.0SANKEN ELECTRIC CO., LTD.
Dec. 22, 2020
https://www.sanken-ele.co.jp/en/© SANKEN ELECTRIC CO., LTD. 2020

5SJPZ-E20
Physical Dimensions● SJP Package

2.15

0.05

+0.1
-0.2

+0.1
-0.05

2.6±0.2

4.5±0.2

1.3±0.4

2.0min.

1.5±0.2

1.3±0.4+0.4

5.0 -0.1

NOTES:- Dimensions in millimeters- Bare lead frame: Pb-free (RoHS compliant)- Moisture Sensitivity Level 1 (MSL 1)- When soldering the products, it is required to minimize the working time within the following limits:
Flow: 260 °C / 10 s, 1 time
Reflow:Preheat: 150 °C to 200 °C / 60 s to 120 s
Solder heating: 255 °C / 30s, 3 times (260 °C peak)
Soldering Iron: 350 °C / 3.5 s, 1 time
● SJP Land Pattern Example

2.0

2.0
4.0 to 4.2

NOTE:- Dimensions in millimeters

SJPZ-E20-DSE Rev.1.0
SANKEN ELECTRIC CO., LTD.
Dec. 22, 2020
https://www.sanken-ele.co.jp/en/© SANKEN ELECTRIC CO., LTD. 2020

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SJPZ-E20
Marking Diagram
Cathode MarkSpecific Device Code (see Table 1)

YMDD
Lot Number:
Y is the last digit of the year of manufacture (0 to 9)
M is the month of the year (1 to 9, O, N, or D)
DD is the day of the month (01 to 31)

Table 1. Specific Device CodeSpecific Device CodePart Number

ZE20

SJPZ-E20

SJPZ-E20-DSE Rev.1.0
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Dec. 22, 2020
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SJPZ-E20
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DSGN-AEZ-16003

SJPZ-E20-DSE Rev.1.0
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