n Single blow fuse for overcurrent protection
n 3216 (EIA 1206) footprint
n Time Lag fuse
n UL 248-14 listed
n RoHS compliant* and halogen free**
n Multilayer SMD design
n Surface mount packaging for automated assembly
Electrical Characteristics
SF-1206SPxxxM Series - Time Lag Multilayer Surface Mount Fuses
Model Rated Current
(Amps) Fusing Time Resistance
(Ω) Typ.***
Rated
Voltage
Interrupting
Rating
Typical
I2t (A2s) ****
SF-1206SP100M-2 1.00
Open within
1~120 sec. at
200 % rated
current
0.360
DC 63 V DC 63 V
50 A
0.11
SF-1206SP125M-2 1.25 0.200 0.22
SF-1206SP150M-2 1.50 0.150 0.23
SF-1206SP200M-2 2.00 0.088 0.63
SF-1206SP250M-2 2.50 0.065
DC 32V DC 32 V
50 A
0.90
SF-1206SP300M-2 3.00 0.034 1.20
SF-1206SP350M-2 3.50 0.028 1.60
SF-1206SP400M-2 4.00 0.024 2.20
SF-1206SP450M-2 4.50 0.020 3.60
SF-1206SP500M-2 5.00 0.018 5.30
SF-1206SP550M-2 5.50 0.014
DC 24V
DC 24 V 50 A 6.40
SF-1206SP600M-2 6.00 0.011 DV 24 V
60 A
8.50
SF-1206SP700M-2 7.00 0.010 10.0
SF-1206SP800M-2 8.00 0.009 16.9
Reliability Testing
SinglFuse SF-1206SPxxxM Series Features
*** Resistancevaluemeasuredwith≤10%ratedcurrentat25°Cambient.Tolerance±25%.
**** Melting I2tcalculatedat0.001secondpre-arcingtime.
No. Test Requirement Test Condition Test Reference
1Solderingheat
resistance
DCRchange≤±10%
Nomechanicaldamage Onedipat260°Cfor60seconds MIL-STD-202
Method210
2Solderability Minimum95%coverage Onedipat245°Cfor5seconds MIL-STD-202
Method208
3Thermalshock DCRchange≤±10%
Nomechanicaldamage 100cyclesbetween-65°Cand+125°C MIL-STD-202
Method107
4Moistureresistance DCRchange≤±15%
Noexcessivecorrosion 10cycles MIL-STD-202
Method106
5Saltspray DCRchange≤±10%
Noexcessivecorrosion 48hourexposure,5%saltsolution MIL-STD-202
Method101
6Mechanicalvibration DCRchange≤±10%
Nomechanicaldamage
0.4inchD.A.or30Gbetween
5-3000 Hz
MIL-STD-202
Method204
7Mechanicalshock DCRchange≤±10%
Nomechanicaldamage 1500G,0.5ms,half-sineshocks MIL-STD-202
Method213
8Life
Noelectrical“opens”duringtesting
Voltagedropchangeshallbeless
than±20%ofinitialvalue
80%ratedcurrent(75%for<1Afuses)
for2000hoursatambienttemperature
between+20°Cand+30°C
RefertoSTP
document
F
ULFileNumber .................................................................E198545
Agency Recognition
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU
June 8, 2011.
** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or
less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and
Chlorine (Cl) content is 1500 ppm or less.
“SinglFuse” is a trademark of Bourns, Inc.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth
on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
SF-1206SPxxxM Series - Time Lag Multilayer Surface Mount Fuses
SinglFuse SF-1206SPxxxM Series Applications
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
How to Order
SF - 1206 SP 100 M - 2
SinglFuse™
ProductDesignator
SMDFootprint
1206=3216(EIA1206)size
FuseBlowType
SP=TimeLag
Rated Current
100~800(1.00A~8.00A)
StructureType
M=Multilayer
PackagingType
-2=Tape&Reel
Typical Part Marking
Representstotalcontent.Layoutmay
vary.
RATED CURRENT (A)
E = 1.00
F = 1.25
G = 1.50
I = 2.00
J = 2.50
K = 3.00
L = 3.50
R
M = 4.00
T = 4.50
N = 5.00
U = 5.50
O = 6.00
P = 7.00
R = 8.00
Packaging Quantity
3,000piecesper7-inchreel
Construction
CERAMIC
BODY
FUSE ELEMENT
TERMINATION
MARKING
MASKING LAYER
MASKING LAYER
MARKING
OperatingTemperature ................................................................................................................................................................-55°Cto+125°C
StorageConditions
Temperature .............................................................................................................................................................................. +5°Cto+35°C
Humidity.........................................................................................................................................................................................40%to75%
ShelfLife..........................................................................................................................................................2yearsfrommanufacturingdate
MoistureSensitivityLevel ...................................................................................................................................................................................... 1
ESDClassication(HBM)............................................................................................................................................................................ Class 6
Environmental Characteristics
Product Dimensions Recommended Pad Layout
1.60 ± 0.20
(.063 ± .008)
3.20 ± 0.20
(.126 ± .008)
1.60 ± 0.20
(.063 ± .008)
0.51 ± 0.25
(.020 ± .010)
1.80
(.071)
4.40
(.173)
1.50
(.059)
0.97 ± 0.20
(.038 ± .008)
Current Rating Thermal Derating Curve
n Portable memory
n LCD monitors
n Disk drives
n PDAs
n Digital cameras
n MP3 players
n Cell phones
n Rechargeable battery packs
n Battery chargers
n Set-top boxes
n Industrial controllers
n Battery Management Systems (BMS)
n LED lighting
n Power tools
DIMENSIONS: MM
(INCHES)
105
100
95
90
85
80
75
70
65
60
55
50
-55 -35 -15 525456585 105 125
MAXIMUM OPERATING TEMPERATURE (°C)
DERATING (%)
SF-1206SPxxxM Series - Time Lag Multilayer Surface Mount Fuses
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Solder Reow Recommendations
TIME
TEMPERATURE (°C)
tL
TIME 25 °C TO PEAK
tp
Ts
Tsmax
Tsmin
TP
260
150
10 sec. max.
PREHEATING
TL
25
TC -5 °C
PREHEAT AREA
MAX. RAMP UP RATE = 3 °C/s
MAX. RAMP DOWN RATE = 6 °C/s
TEMPERATURE (°C)
120 seconds TIME
Recommended Temperature Prole for Wave Soldering
Wavesolderingissuitablefor1206sizemodels.
Prole Feature Pb-Free Assembly
Preheat/Soak:
TemperatureMin.(Tsmin)
TemperatureMax.(Tsmax)
Time(ts)from(TsmintoTsmax)
150°C
200°C
60~120seconds
RampUpRate(TLtoTp) 3°C/secondmax.
LiquidousTemperature(TL)
Time(tL)maintainedaboveTL
217°C
60~150seconds
PeakPackageBody
Temperature(Tp)260°C
Time(tp)*within5°Cofthe
speciedclassicationtemperature
(Tc)
30seconds*
RampDownRate(TptoTL) 6°C/secondmax.
Time25°CtoPeakTemperature 8minutesmax.
TIME
TEMPERATURE (°C)
tL
TIME 25 °C TO PEAK
tp
ts
Tsmax
Tsmin
Tp
260
150
10 sec. max.
PREHEATING
TL
25
Tc -5 °C
PREHEAT AREA
MAX. RAMP UP RATE = 3 °C/s
MAX. RAMP DOWN RATE = 6 °C/s
TEMPERATURE (°C)
120 seconds TIME
*Toleranceforpeakproletemperature(Tp)isdenedasa
supplierminimumandausermaximum.
3312 - 2 mm SMD Trimming Potentiometer
SF-1206SPxxxM Series - Time Lag Multilayer Surface Mount Fuses
REV. C 01/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Average Pre-Arcing Time vs. Current Curves Average I2t vs. t Curves
1.50 A
2.00 A
5.00 A
5.50 A
2.50 A
6.00 A
7.00 A
8.00 A
3.00 A 4.50 A
3.50 A 4.00 A
1.00 A
1.25 A
100
10
1
0.1
0.01
0.001
PRE-ARCING TIME (SECONDS)
110 100 1000
CURRENT (A)
1000
100
10
1
0.1
0.01
100000
10000
I2t (A2s)
10.10.010.001 10 100
TIME (SECONDS)
8.00 A
7.00 A
6.00 A
5.50 A
5.00 A
4.50 A
4.00 A
3.50 A
3.00 A
2.50 A
2.00 A
1.50 A
1.25 A
1.00 A
1.50 A
2.00 A
5.00 A
5.50 A
2.50 A
6.00 A
7.00 A
8.00 A
3.00 A 4.50 A
3.50 A 4.00 A
1.00 A
1.25 A
100
10
1
0.1
0.01
0.001
PRE-ARCING TIME (SECONDS)
110 100 1000
CURRENT (A)
1000
100
10
1
0.1
0.01
100000
10000
I2t
(A2s)
10.10.010.001 10 100
TIME (SECONDS)
8.00 A
7.00 A
6.00 A
5.50 A
5.00 A
4.50 A
4.00 A
3.50 A
3.00 A
2.50 A
2.00 A
1.50 A
1.25 A
1.00 A
3312 - 2 mm SMD Trimming Potentiometer
SF-1206SPxxxM Series Tape and Reel Packaging Specications
SF-1206SPxxxM Series
Tape Dimensions per EIA 481-2
W 8.00 ± 0.10
(.315 ± .004)
P0
4.0 ± 0.10
(.157 ± .004)
P1
4.0 ± 0.10
(.157 ± .004)
P2
2.0 ± 0.05
(.079 ± .002)
A0
1.80 ± 0.10
(.071 ± .004)
B0
3.50 ± 0.10
(.138 ± .004)
F 3.50 ± 0.05
(.138 ± .002)
E1
1.75 ± 0.10
(.069 ± .004)
D0
1.50 + 0.10
(.059 + .004)
K0
1.10 ± 0.10
(.043 ± .004)
T 0.23 ± 0.02
(.009 ± .001)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
PACKAGING:Plastictape,3,000pcs.perreel
DIRECTION OF UNREELING
KO
AO
P1
60.20 ± 0.50
(2.370 ± .020)
DIA.
B0
W
13.20 +0.3/-0.2
(.520 +.012/-.008)
DIA.
178.00 ± 1.00
(7.008 ± .039)
DIA.
0.2
0.4
0.6
0.8
0.2
0.4
0.6
0.8
13.40 ± 0.50
(.539 ± .020)
1.40 ± 0.20
(.055 ± .008)
1.20 ± 0.20
(.047 ± .008)
2.20 ± 0.30
(.087 ± .012)
T
P2
D0P0
E1
F
DIMENSIONS: MM
(INCHES)
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
(32 ?+( 3$2".++$"3(5$+8:.41-2;
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
6(3'.43-.3("$2$122'.4+#"'$"*%.1 -#.!3 (-3'$+ 3$231$+$5 -3(-%.1, 3(.- -#5$1(%83' 324"'(-%.1, 3(.-(2"411$-3
and complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns®/1.#4"3(- 42$1 //+(" 3(.-, 85 18
%1.,3'$# 3 2'$$3"' 1 "3$1(23("2 -#/ 1 ,$3$12#4$3.(3'$".,!(- 3(.-.%3'$.41-2® product with other components
(-3'$42$1<2 //+(" 3(.-.1((3'$$-5(1.-,$-3.%3'$42$1 //+(" 3(.-(32$+%'$"' 1 "3$1(23("2 -#/ 1 ,$3$12.% .41-2®
/1.#4"3 +2." - -##.5 18(-#(>$1$-3 //+(" 3(.-2 -# "34 +/$1%.1, -"$, 85 18.5$13(,$2$122'.4+# +6 825$1(%8
the actual performance of the Bourns®/1.#4"3(-3'$(12/$"(="#$5("$2 -# //+(" 3(.-2 -#, *$3'$(1.6-(-#$/$-#$-3
)4#&,$-321$& 1#(-&3'$ ,.4-3.% ##(3(.- +3$23, 1&(-3.#$2(&-(-3.3'$(1#$5("$.1 //+(" 3(.-3.".,/$-2 3$%.1
#(>$1$-"$2!$36$$-+ !.1 3.18 -#1$ +6.1+#".-#(3(.-2
-+$22.41-2' 2$7/+("(3+8#$2(&- 3$# -(-#(5(#4 +.41-2® product as meeting the requirements of a particular industry
23 -# 1#$&.1 / 13("4+ 104 +(=" 3(.-$&+(23$#.11$".&-(9$#.41-2(2-.31$2/.-2(!+$%.1 -8
% (+41$.% -(-#(5(#4 +.41-2®/1.#4"33.,$$33'$1$04(1$,$-32.%24"'(-#4231823 -# 1#.1/ 13("4+ 104 +(=" 3(.-2$12
of Bourns® products are responsible for ensuring compliance with safety-related requirements and standards applicable to
3'$(1#$5("$2.1 //+(" 3(.-2
Bourns®/1.#4"32 1$-.31$".,,$-#$# 43'.1(9$#.1(-3$-#$#%.142$(--4"+$ 1+(%$2 5(-&+(%$"1(3(" +.1+(%$2423 (-(-&
//+(" 3(.-2-.1(- -8.3'$1 //+(" 3(.-26'$1$% (+41$.1, +%4-"3(.-, 81$24+3(-/$12.- +(-)418#$ 3'.12$5$1$/1./$138
.1$-5(1.-,$-3 +# , &$-+$22$7/1$22+8 -#2/$"(=" ++8 //1.5$#(-61(3(-&!836. 43'.1(9$#.41-21$/1$2$-3 3(5$2
on a case-by-case basis, use of any Bourns®/1.#4"32(-24"'4- 43'.1(9$# //+(" 3(.-2,(&'3-.3!$2 %$ -#3'42(2 3
3'$42$1<22.+$1(2*(%$"1(3(" + //+(" 3(.-2(-"+4#$#$5("$2(#$-3(=$#!83'$..# -#14&#,(-(231 3(.- 2+ 22
#$5("$2 -#&$-$1 ++8$04(5 +$-3"+ 22(=" 3(.-2.432(#$.%3'$-(3$#3 3$2
.41-2$7/1$22+8(#$-3(=$23'.2$.41-2®23 -# 1#/1.#4"323' 3 1$24(3 !+$%.142$(- 43.,.3(5$ //+(" 3(.-2.-24"'
/1.#4"32<# 3 2'$$32(-3'$2$"3(.-$-3(3+$#://+(" 3(.-2;-+$22$7/1$22+8 -#2/$"(=" ++8 //1.5$#(-61(3(-&!836.
43'.1(9$#.41-21$/1$2$-3 3(5$2.- " 2$!8" 2$! 2(242$.% -8.3'$1.41-2®23 -# 1#/1.#4"32(- - 43.,.3(5$
//+(" 3(.-,(&'3-.3!$2 %$ -#3'42(2-.31$".,,$-#$# 43'.1(9$#.1(-3$-#$# -#(2 33'$42$1<22.+$1(2*%.41-2
$7/1$22+8(#$-3(=$2 24!" 3$&.18.% 43.,.3(5$ //+(" 3(.-(-3'$# 3 2'$$3%.1(3223 -# 1#/1.#4"3224"' 2(-%.3 (-,$-3
.1+(&'3(-&24"'(#$-3(=" 3(.-,$ -23' 3.41-2' 21$5($6$#(3223 -# 1#/1.#4"3 -#' 2#$3$1,(-$#3' 3(%24"'.41-2®
23 -# 1#/1.#4"3(2".-2(#$1$#%.1/.3$-3( +42$(- 43.,.3(5$ //+(" 3(.-2(32'.4+#.-+8!$42$#(-24"'24!" 3$&.18.%
43.,.3(5$ //+(" 3(.-2-81$%$1$-"$3..41-2®23 -# 1#/1.#4"3(-3'$# 3 2'$$3 2".,/+( -36(3'3'$23 -# 1#
.1: 43.,.3(5$&1 #$;#.$2-.3!8(32$+%,$ -3' 3.41-2' 2 //1.5$#24"'/1.#4"3%.142$(- - 43.,.3(5$ //+(" 3(.-
Bourns®23 -# 1#/1.#4"32 1$-.33$23$#3.".,/+86(3'-(3$#3 3$2$#$1 +5( 3(.-#,(-(231 3(.-23 -# 1#2&$-$1 ++8
.1 -8.3'$1&$-$1 ++8$04(5 +$-3&.5$1-,$-3 +.1& -(9 3(.-23 -# 1# //+(" !+$3./1.#4"32#$2(&-$#.1, -4% "341$#%.1
42$(- (1"1 %3.12/ "$ //+(" 3(.-2.41-2$7/1$22+8(#$-3(=$2.41-2® standard products that are suitable for use in aircraft
.12/ "$ //+(" 3(.-2.-24"'/1.#4"32<# 3 2'$$32(-3'$2$"3(.-$-3(3+$#://+(" 3(.-2;-+$22$7/1$22+8 -#2/$"(=" ++8
//1.5$#(-61(3(-&!836. 43'.1(9$#.41-21$/1$2$-3 3(5$2.- " 2$!8" 2$! 2(242$.% -8.3'$1.41-2® standard
/1.#4"3(- - (1"1 %3.12/ "$ //+(" 3(.-,(&'3-.3!$2 %$ -#3'42(2-.31$".,,$-#$# 43'.1(9$#.1(-3$-#$# -#(2 3
the user’s sole risk.
'$42$ -#+$5$+.%3$23(-& //+(" !+$3..41-2® custom products shall be negotiated on a case-by-case basis by Bourns
and the user for which such Bourns®"423.,/1.#4"32 1$2/$"( ++8#$2(&-$#!2$-3 61(33$- &1$$,$-3!$36$$-.41-2
-#3'$42$11$& 1#(-&3'$42$ -#+$5$+.%24"'3$23(-&3'$ !.5$/1.5(2(.-2 //+(" !+$3..41-2® standard products shall
also apply to such Bourns® custom products.
Users shall not sell, transfer, export or re-export any Bourns®/1.#4"32.13$"'-.+.&8%.142$(- "3(5(3($26'("'(-5.+5$3'$
#$2(&-#$5$+./,$-3/1.#4"3(.-42$.123."*/(+(-&.%-4"+$ 1"'$,(" +.1!(.+.&(" +6$ /.-2.1,(22(+$2-.12' ++3'$842$
Bourns®/1.#4"32.13$"'-.+.&8(- -8% "(+(386'("'$-& &$2(- "3(5(3($21$+ 3(-&3.24"'#$5("$2'$%.1$&.(-&1$231("3(.-2
//+83. ++42$2 -# //+(" 3(.-23' 35(.+ 3$- 3(.- +.1(-3$1- 3(.- +/1.'(!(3(.-2(-"+4#(-&$,! 1&.2.1(-3$1- 3(.- +
1$&4+ 3(.-2413'$1.41-2® products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns® products may not, without
/1(.1 43'.1(9 3(.-%1.,.41-2 -#.13'$.5$1-,$-3!$1$2.+#31 -2%$11$#.11$$7/.13$#3. -8/ 138-.3$+(&(!+$
3.1$"$(5$".,,.#(3($22.%36 1$ -#3$"'-(" +# 3 
.3'$, 7(,4,$73$-3/$1,(33$#!8 //+(" !+$+ 6.41-2#(2"+ (,2( -8 -# +++( !(+(38%.12/$"( +/4-(3(5$".-2$04$-3( +
(-"(#$-3 +.1(-#(1$"3# , &$2.1+.231$5$-4$2.1+.23/1.=32 -#(( -8 -# ++(,/+($#6 11 -3($2(-"+4#(-&(,/+($#6 11 -3($2
.%=3-$22%.1/ 13("4+ 1/41/.2$-.-(-%1(-&$,$-3 -#,$1"' -3 !(+(38
 
bilingual versions are available at:
Web Page:
http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf
