©2009 Littelfuse, Inc.
Revised: August 30, 2009 9:24 AM
P6SMB Automotive Series
Surface Mount – 600W > P6SMB Automotive Series
P6SMB Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/P6SMBAUTO.html for current information.
Agency Approvals
P6SMB Automotive Series
Description
The P6SMB Automotive series is designed specifically
to protect sensitive automotive equipment from voltage
transients.
Features
• Halogen-Free
RoHS compliant
For surface mounted
applications to optimize
board space
Low prole package
Built-in strain relief
Typical maximum
temperature coefficient
ΔVBR = 0.1% x VBR@25°C x ΔT
Glass passivated chip
junction
600W peak pulse power
capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
Fast response time:
typically less than 1.0ps
from 0V to BV min
Excellent clamping
capability
Low incremental surge
resistance
Typical IR less than 1µA
above 12V
High Temperature
soldering guaranteed:
260°C/40 seconds at
terminals
Plastic package has
Underwriters Laboratory
Flammability 94V-O
Matte Tin Lead–free Plated
Applications
TVS devices are ideal for the protection of I/O Interfaces,
VCC bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic applications.
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter Symbol Value Unit
Peak Pulse Power Dissipation at
TA=25ºC by 10x1000µs waveform
(Fig.1)(Note 1), (Note 2)
PPPM 600 W
Power Dissipation on innite heat
sink at TA=50OCPM(AV) 5.0 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3) IFSM 100 A
Maximum Instantaneous Forward
Voltage at 50A for Unidirectional
only
VF3.5V V
Operating Junction and Storage
Temperature Range T
J, TSTG -65 to 150 °C
Typical Thermal Resistance Junction
to Lead RuJL 20 °C/W
Typical Thermal Resistance Junction
to Ambient RuJA 100 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2.
2. Mounted on copper pad area of 0.2x0.2” (5.0 x 5.0mm) to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only,duty cycle=4 per minute maximum.
AGENCY AGENCY FILE NUMBER
E230531
RoHS
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.
P6SMB Automotive Series
Surface Mount – 600W > P6SMB Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/P6SMBAUTO.html for current
information.
Electrical Characteristics
Part
Number
(Uni)
Part
Number
(Bi)
Marking Reverse
Stand off
Voltage VR
(Volts)
Breakdown
Voltage VBR
(Volts) @ IT
Test
Current
IT
(mA)
Maximum
Clamping
Voltage VC
@ Ipp
(V)
Maximum
Peak
Pulse
Current Ipp
(A)
Maximum
Reverse
Leakage IR
@ VR
(µA)
Agency
Approval
UNI BI MIN MAX
P6SMB12AAUTO P6SMB12CAAUTO 12AA 12CA 10.20 11.40 12.60 1 16.7 36.5 5 X
P6SMB13AAUTO P6SMB13CAAUTO 13AA 13CA 11.10 12.40 13.70 118.2 33.5 1 X
P6SMB15AAUTO P6SMB15CAAUTO 15AA 15CA 12.80 14.30 15.80 1 21.2 28.8 1 X
P6SMB16AAUTO P6SMB16CAAUTO 16AA 16CA 13.60 15.20 16.80 1 22.5 27.1 1 X
P6SMB18AAUTO P6SMB18CAAUTO 18AA 18CA 15.30 17.10 18.90 1 25.5 24.2 1 X
P6SMB20AAUTO P6SMB20CAAUTO 20AA 20CA 17.10 19.00 21.00 1 27.7 22.0 1 X
P6SMB22AAUTO P6SMB22CAAUTO 22AA 22CA 18.80 20.90 23.10 130.6 19.9 1 X
P6SMB24AAUTO P6SMB24CAAUTO 24AA 24CA 20.50 22.80 25.20 1 33.2 18.4 1 X
P6SMB27AAUTO P6SMB27CAAUTO 27AA 27CA 23.10 25.70 28.40 137.5 16.3 1 X
P6SMB30AAUTO P6SMB30CAAUTO 30AA 30CA 25.60 28.50 31.50 1 41.4 14.7 1 X
P6SMB33AAUTO P6SMB33CAAUTO 33AA 33CA 28.20 31.40 34.70 1 45.7 13.3 1 X
P6SMB36AAUTO P6SMB36CAAUTO 36AA 36CA 30.80 34.20 37.80 149.9 12.2 1 X
P6SMB39AAUTO P6SMB39CAAUTO 39AA 39CA 33.30 37.10 41.00 1 53.9 11.3 1 X
P6SMB43AAUTO P6SMB43CAAUTO 43AA 43CA 36.80 40.90 45.20 1 59.3 10.3 1 X
P6SMB47AAUTO P6SMB47CAAUTO 47AA 47CA 40.20 44.70 49.40 164.8 9.4 1 X
The avaliable parts are “A” type only, the parts without A (VBR is ± 10%) is not avaliable.
©2009 Littelfuse, Inc.
Revised: August 30, 2009 9:24 AM
P6SMB Automotive Series
Surface Mount – 600W > P6SMB Automotive Series
P6SMB Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/P6SMBAUTO.html for current information.
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
0.1
1
10
100
0.000001 0.00001 0.0001 0.001
td-Pulse Width (sec.)
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
PPPM-Peak Pulse Power (kW)
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 ( )
0
25
50
75
100
0 25 50 75 100 125 150 17
5
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
TA - Ambient Temperature (ºC)
1
10
100
1000
10000
1.0 10.0 100.0 1000.0
Cj (pF)
Tj=25C
f=1.0MHz
Vsig=50mVp-p
Uni-directional V=0V
Bi-directional V=0V
Uni-directional @VR
Bi-directional @VR
VBR - Reverse Breakdown Voltage (V)
0
1
2
3
4
5
6
0 25 50 75 100 125 150 175
PM(AV), Steady State Power Dissipation (W)
TA - Ambient Temperature (ºC)
Figure 1 - Peak Pulse Power Rating Figure 2 - Pulse Derating Curve
Figure 3 - Pulse Waveform Figure 4 - Typical Junction Capacitance
Figure 5 - Steady State Power Dissipation Derating
Curve
0
20
40
60
80
100
120
1 10 100
Number of Cycles at 60 Hz
IFSM - Peak Forward Surge Current (A)
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.
P6SMB Automotive Series
Surface Mount – 600W > P6SMB Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/P6SMBAUTO.html for current
information.
Physical Specifications
Weight 0.003 ounce, 0.093 grams
Case JEDEC DO214AA. Molded plastic body
over glass passivated junction
Polarity Color band denotes cathode except
Bidirectional.
Terminal Matte Tin-plated leads, Solderable per
JESD22-B102D
Environmental Specifications
Temperature Cycle JESD22-A104
Pressure Cooker JESD 22-A102
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Thermal Shock JESD22-A106
Soldering Parameters
Temperature (T)
Time (t)
Ts(min)
Ts(max)
TL
TP
ts
Preheat
tL
tp
Ramp-up Critical Zone
TL to TP
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition Lead–free assembly
Pre Heat
- Temperature Min (Ts(min))150°C
- Temperature Max (Ts(max))200°C
- Time (min to max) (ts)60 – 180 secs
Average ramp up rate (Liquidus Temp
(TL) to peak 3°C/second max
TS(max) to TL - Ramp-up Rate 3°C/second max
Reflow - Temperature (TL) (Liquidus) 217°C
- Time (min to max) (ts)60 – 150 seconds
Peak Temperature (TP)260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)20 – 40 seconds
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (TP)8 minutes Max.
Do not exceed 280°C
©2009 Littelfuse, Inc.
Revised: August 30, 2009 9:24 AM
P6SMB Automotive Series
Surface Mount – 600W > P6SMB Automotive Series
P6SMB Automotive Series
Automotive Transient Voltage Suppression Diodes
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/P6SMBAUTO.html for current information.
Dimensions
A
D
EG
F
H
C
B
Cathode Band
Dimension in inches and (millimeters)
DO-214AA (SMB J-Bend)
Dimensions Inches Millimeters
Min Max Min Max
A 0.077 0.086 1.950 2.200
B 0.160 0.180 4.060 4.570
C0.130 0.155 3.300 3.940
D0.077 0.104 1.950 2.650
E 0.030 0.060 0.760 1.520
F - 0.008 - 0.203
G0.205 0.220 5.210 5.590
H0.006 0.012 0.152 0.305
I 0.089 - 2.260 -
J 0.085 - 2.160 -
K-0.107 -2.740
L 0.085 - 2.160 -
(all dimensions in mm)
I
L
K
J
Solder Pads
Part Numbering System
VOLTAGE
BI-DIRECTIONAL
5% VOLTAGE TOLERANCE
SERIES
P6SMB XXX C A AUTO
Packaging
Part number Component
Package Quantity Packaging
Option Packaging Specification
P6SMBxxxXXAUTO DO-214AA 3000 Tape & Reel – 12mm/13” tape EIA STD RS-481
Part Marking System
F
XXXX
Marking Code
Littelfuse Logo
Cathode Band
Revised: August 30, 2009 9:24 AM
©2009 Littelfuse, Inc.