TVS Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/14/18
Axial Leaded – 2200W > SLD series
AGENCY AGENCY FILE NUMBER
E230531
Designed to protect sensitive electronics from:
- Inductive Load Switching
- Alternator Load Dump
Applications
Features
The AEC-Q101 qualified SLD Series is packaged in a highly
reliable industry standard P600 axial leaded package and
is designed to provide precision overvoltage protection for
sensitive electronics.
Description
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Agency Approvals
• Hi reliability application
and automotive grade
AEC-Q101 qualified with TJ
175
• VBR @ TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• Glass passivated chip
junction in P600 package
• Meet ISO 7637 and
ISO 16750 load dump
test; 2200W peak pulse
capability at 10μs/150ms
waveform, repetition rate
(duty cycles): 0.01%
• Fast response time:
typically less than 1.0ps
from 0 Volts to VBR min
• Excellent clamping
capability
• Typical failure mode is
short from over-specified
voltage or current is a
short-circuit condition
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low incremental surge
resistance
• High temperature
to reflow soldering
guaranteed: 260°C/10sec
/ 0.375”, (9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• UL Recognized compound
meeting flammability
rating V-0
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd level
interconnect is Pb-free
and the terminal finish
material is tin(Sn) (IPC/
JEDEC J-STD-609A.01)
Parameter Symbol Value Unit
Peak Pulse Power Dissipation
10ms/150ms Test Waveform PPPM 2200 W
Peak Pulse Power Dissipation
10/1000 Test Waveform PPPM 5000 W
Steady State Power Dissipation on
Infinite Heat Sink at TL=75ºC (Fig. 6) PD8.0 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave IFSM 600 A
Maximum instantaneous Forward
Voltage at 100A for Unidirectional
Only
VF3.5 V
Operating Junction and Storage
Temperature Range TJ, TSTG -55 to 175 °C
Typical Thermal Resistance Junction
to Lead RƟJL 8.0 °C/W
Typical Thermal Resistance Junction
to Ambient RƟJA 40 °C/W
SLD Series
Functional Diagram
Bi-directional
Uni-directional
Cathode Anode
Bi-directional
Uni-directional
RoHS
Pb
e3
TVS Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/14/18
Axial Leaded – 2200W > SLD series
Electrical Characteristics (TA=25°C unless otherwise noted)
Notes:
1. V BR measured after IT applied for 300µs, IT= square wave pulse or equivalent.
2. Surge current waveform per 10/000 exponential wave and derated per Fig. 4.
3. All terms and symbols are consistent with ANSI/IEEE C62.35
Part
Number
(Uni)
Part
Number
(Bi)
Breakdown
Voltage VBR @ IT
(V)
Test
Current
IT
(mA)
Reverse
Stand off
Voltage VR
(Volts)
Maximum
Reverse
Leakage @ VR
IR (µA)
Maximum
Peak Pulse
Current
Ipp (A)
Maximum
Clamping
Voltage @ IPP
VC (V)
Agency
Approval
MIN MAX
SLD10U-017 SLD10-018 11. 8 13.0 5.0 10 10 300.0 1 7. 0 x
SLD11U-017 SLD11-018 12.2 13.5 5.0 11 10 280.2 18.2 x
SLD12U-017 SLD12-018 13.3 14.7 5.0 12 10 256.3 19.9 x
SLD13U-017 SLD13-018 14.4 15.9 5.0 13 10 237.2 21.5 x
SLD14U-017 SLD14-018 15.6 1 7. 2 5.0 14 10 219.8 23.2 x
SLD15U-017 SLD15-018 16.7 18.5 5.0 15 10 209.0 24.4 x
SLD16U-017 SLD16-018 18.0 19.3 5.0 16 10 196.2 26.0 x
SLD17U-017 SLD17-018 18.9 20.9 5.0 17 10 184.8 27.6 x
SLD18U-017 SLD18-018 20.0 22.1 5.0 18 10 174.7 29.2 x
SLD20U-017 SLD20-018 22.2 24.5 5.0 20 10 157.4 32.4 x
SLD22U-017 SLD22-018 24.4 26.9 5.0 22 10 143.7 35.5 x
SLD24U-017 SLD24-018 26.7 29.5 5.0 24 10 131.1 38.9 x
SLD26U-017 SLD26-018 28.9 31.9 5.0 26 10 121.1 42.1 x
SLD28U-017 SLD28-018 31.1 34.4 5.0 28 10 112.3 45.4 x
SLD30U-017 SLD30-018 33.3 36.8 5.0 30 10 105.4 48.4 x
SLD33U-017 SLD33-018 36.7 40.6 5.0 33 10 95.7 53.3 x
SLD36U-017 SLD36-018 40.0 44.2 5.0 36 10 87.8 58.1 x
SLD40U-017 SLD40-018 44.4 49.1 5.0 40 10 79.1 64.5 x
SLD43U-017 SLD43-018 49.0 54.2 5.0 43 10 73.5 69.4 x
SLD45U-017 SLD45-018 50.0 55.3 5.0 45 10 70.2 72.7 x
SLD48U-017 SLD48-018 53.3 58.9 5.0 48 10 65.9 77.4 x
SLD51U-017 SLD51-018 56.7 62.7 5.0 51 10 61.9 82.4 x
SLD54U-017 SLD54-018 60.0 66.3 5.0 54 10 58.6 87.1 x
SLD58U-017 SLD58-018 64.4 71.2 5.0 58 10 54.5 93.6 x
SLD60U-017 SLD60-018 68.4 75.6 5.0 60 10 52.7 96.8 x
I-V Curve Characteristics
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
Vc V
BR
V
R
I
R
I
T
I
pp
V
Uni-directional
V
F
Vc VBR VR
IR
IT
Ipp
V
Vc
VBR
VR
Ipp
IR
IT
Bi-directional
TVS Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/14/18
Axial Leaded – 2200W > SLD series
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Figure 1 - TVS Transients Clamping Waveform
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 2 - Peak Pulse Power Rating Curve
1
10
100
0.000010.0001 0.0010.010.1 1
PPPM-Peak Pulse Power (kW)
td-Pulse Width (sec.)
TJ initial = Tamb
0
20
40
60
80
100
0255075 100 125 150 175
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
10/1000µsec. Waveform
TJ - Initial Junction Temperature (ºC)
200
1
10
100
1000
10000
100000
110100 1000
Tj=25C
f=
1.0MHz
Vs
ig=50mVp-p
VBR - Reverse Breakdown Voltage (V)
Cj (pF)
Uni-directional @ VR
Bi-directional @ VR
Bi-directional V=0V
Uni-directional V=0V
Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform
Figure 5 - Typical Junction Capacitance
0
50
100
150
200
250
300
350
400
450
110 100
Number of Cycles at 60 Hz
IFSM, Peak Forward Surge Current (A)
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current
IPPM- Peak Pulse Current, % IRSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10µsec
Peak Value
IPPM
IPPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000µsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Half Value
IPPM ( )
TVS Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/14/18
Axial Leaded – 2200W > SLD series
Physical Specifications
Weight 0.07oz., 2.1g
Case P600 molded plastic body over passivated
junction.
Polarity Color band denotes the cathode except
Bipolar.
Terminal Matte Tin axial leads, solderable per
JESD22-B102.
Soldering Parameters
Flow/Wave Soldering (Solder Dipping)
Peak Temperature : 265OC
Dipping Time : 10 seconds
Soldering : 1 time
Environmental Specifications
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Temperature Cycling JESD22-A104
H3TRB JESD22-A101
RSH JESD22-B106
0.5
1.0
1.5
2.0
2.5
3.0
65 70 75 80 85
Ri(ohm)
Vs(volt)
ISO7637 5A 12V Test System
3.5
4.0
Td:400ms
SLD15U-017 & SLD15-018 load dump
Figure 7 - SOA Chart
1
2
3
4
5
6
7
123 133143 153 163 173
Ri(ohm)
Vs(volt)
8
ISO7637 5A 24V Test System
SLD28U-017 load dump
Td:350ms
TVS Diodes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/14/18
Axial Leaded – 2200W > SLD series
Part Numbering System
Packing Options
Part Number Component
Package Quantity Packaging
Option Packaging Specification
SLDxxXXX P600 800 Tape & Reel EIA STD RS-296
SLDxxXX-B P600 100 BOX Littelfuse Spec.
VBR
VOLTAGE CODE
(Refer to the Electrical Characteristics table)
TYPE CODE:
U-017 Uni-Directional
-018 Bi-Directional
OPTION CODE:
BLANK Reel Tape
-B Bulk Packaging
SERIES CODE
SLD XX U-017 X
Part Marking System
F
SLDXXX
YYWW
Trace Code Marking
YY:Year Code
WW: Week Code
Product Type
Littelfuse Logo
Cathode Band
(for Uni-directional
products only)
Tape and Reel Specification
2.063+0.079/-0.039
2.56
0.394+/-0.020
2.75
0.047
(330.2)
R
ecess Depth Max. 0.75 (19.05)
Off Center
either side
0.028(0.7)
Dimensions are in
inches/mm
0.236
(65.0)
(10.0+/-0.5)
(53.0+2.0/-1.0)
(6.0)
(1.2)
(69.85)
13.0
(76.2)
3.0
0.68
(17. 27)
Direction of Feed
Dimensions
Dimensions
Inches Millimeters
Min Max Min Max
A1.000 - 25.40 -
B 0.340 0.360 8.60 9.10
C 0.048 0.054 1.22 1.36
D 0.340 0.360 8.60 9.10
P600
D
AA
C
B
Cathode Band
(for Uni-directional products only)
