BHFUSE
BSMD1206L Series Surface Mount PTC Device
Features
Size 0.12*0.06 inch /3.2*1.6 mm
RoHS compliant, lead-free and halogen-free
Fast response to fault current
Low resistance
Low-profile
Compatible with high temperature solders
Applications
Computer, Mobile phones, Multimedia
Automotive, Industrial controls, Telephony and broadband
Game machines, Portable electronics, Battery
Electrical Characteristics(25℃)
Part Number
Ihold
(A)
Itrip
(A)
Vmax
(V)
Imax
(A)
Pd
(W)
Time to trip
(A)
(Sec)
Rmin
(Ω)
R1max
(Ω)
BSMD1206L-110
1.10
2.2
6.0
50
1.2
8.0
0.5
0.008
0.065
BSMD1206L-125
1.25
2.5
6.0
50
1.2
8.0
1.0
0.007
0.060
BSMD1206L-150
1.50
3.0
6.0
50
1.2
8.0
5.0
0.006
0.055
BSMD1206L-175
1.75
3.5
6.0
50
1.2
8.0
5.0
0.005
0.050
BSMD1206L-200
2.00
4.0
6.0
50
1.2
8.0
5.0
0.004
0.045
BSMD1206L-230
2.30
4.6
6.0
50
1.2
8.0
5.0
0.004
0.040
BSMD1206L-260
2.60
5.2
6.0
50
1.2
12.0
5.0
0.003
0.035
BSMD1206L-300
3.00
6.0
6.0
50
1.2
12.0
5.0
0.003
0.030
BSMD1206L-350
3.50
7.0
6.0
50
1.2
12.0
5.0
0.002
0.025
BSMD1206L-380
3.80
7.6
6.0
50
1.2
12.0
5.0
0.002
0.020
BSMD1206L-400
4.00
8.0
6.0
50
1.5
16.0
5.0
0.001
0.018
BSMD1206L-450
4.50
9.0
6.0
50
1.5
16.0
5.0
0.001
0.015
BSMD1206L-500
5.00
10.0
6.0
50
1.5
16.0
5.0
0.001
0.012
BSMD1206L-550
5.50
11.0
6.0
50
1.5
16.0
5.0
0.001
0.011
BSMD1206L-600
6.00
12.0
6.0
50
1.5
20.0
5.0
0.0008
0.010
BSMD1206L-650
6.50
13.0
6.0
50
1.5
20.0
5.0
0.0008
0.009
BSMD1206L-700
7.00
14.0
6.0
50
1.6
20.0
5.0
0.0005
0.009
BSMD1206L-750
7.50
15.0
6.0
50
1.6
20.0
5.0
0.0005
0.008
BSMD1206L-800
8.00
16.0
6.0
50
1.6
20.0
5.0
0.0005
0.007
BSMD1206L-850
8.50
17.0
6.0
50
1.6
20.0
5.0
0.0005
0.007
BSMD1206L-900
9.00
18.0
6.0
50
1.8
30.0
5.0
0.0004
0.006
BSMD1206L-950
9.50
19.0
6.0
50
1.8
30.0
5.0
0.0003
0.006
BSMD1206L-1000
10.00
20.0
6.0
50
1.8
30.0
5.0
0.0002
0.005
Specifications are subject to change without notice
Revision 2017
Polymer PTC Thermistor
1/6
BHFUSE
BSMD1206L Series Surface Mount PTC Device
Ihold = Hold current: maximum current device will pass without tripping in 25℃ still air.
Itrip = Trip current: minimum current at which the device will trip in 25℃ still air.
Vmax = Maximum voltage device can withstand without damage at rated current (Imax)
Imax = Maximum fault current device can withstand without damage at rated voltage (Vmax)
Pd typ. = Typical power dissipated from device when in the tripped state at 25℃ still air.
Rmin = Minimum resistance of device in initial (un-soldered) state.
R1max = Maximum resistance of device at 25℃ measured one hour after tripping or reflow soldering of 260℃ for 20 sec.
Caution:Operation beyond the specified ratings may result in damage and possible arcing and flame.
WARNING
Users shall independently assess the suitability of these devices for each of their applications.
Operation of these devices beyond the stated maximum ratings could result in damage to the devices and lead to
electrical arcing and/or fire.
These devices are intended to protect against the effects of temporary over-current or over-temperature conditions
and are not intended to perform as protective devices where such conditions are expected to be repetitive or
prolonged in duration.
Exposure to silicon-based oils, solvents, electrolytes, acids, and similar materials can adversely affect
the performance of these PPTC devices.
These devices undergo thermal expansion under fault conditions, and thus shall be provided with
adequate space and be protected against mechanical stresses.
Circuits with inductance may generate a voltage (L di/dt) above the rated voltage of the PPTC device.
Specifications are subject to change without notice
Revision 2017
Polymer PTC Thermistor
2/6
BHFUSE
BSMD1206L Series Surface Mount PTC Device
Thermal Derating Chart
Part Number
Ambient operating temperature hold current(Ihold)
-40℃
-20℃
0℃
25℃
40℃
50℃
60℃
70℃
BSMD1206L-110
1.5
1.3
1.2
1.1
0.9
0.8
0.7
0.6
BSMD1206L-125
1.7
1.5
1.4
1.25
1.1
1.0
0.9
0.7
BSMD1206L-150
2.0
1.8
1.6
1.5
1.2
1.1
1.0
0.9
BSMD1206L-175
2.3
2.0
1.9
1.75
1.4
1.3
1.2
1.0
BSMD1206L-200
2.7
2.3
2.2
2.0
1.6
1.5
1.4
1.1
BSMD1206L-230
3.1
2.7
2.5
2.3
1.9
1.7
1.6
1.3
BSMD1206L-260
3.5
3.0
2.8
2.6
2.1
1.9
1.8
1.5
BSMD1206L-300
4.0
3.5
3.2
3.0
2.5
2.2
2.0
1.7
BSMD1206L-350
4.7
4.1
3.8
3.5
2.9
2.6
2.4
2.0
BSMD1206L-380
5.1
4.4
4.1
3.8
3.1
2.8
2.6
2.2
BSMD1206L-400
5.4
4.7
4.3
4.0
3.3
3.0
2.7
2.3
BSMD1206L-450
6.0
5.3
4.9
4.5
3.7
3.3
3.1
2.6
BSMD1206L-500
7.5
6.5
5.5
5.0
4.5
3.5
3.3
3.0
BSMD1206L-550
8.3
7.2
6.1
5.5
5.0
3.9
3.6
3.3
BSMD1206L-600
9.0
7.8
6.6
6.0
5.4
4.2
3.9
3.6
BSMD1206L-650
9.8
8.5
7.2
6.5
5.9
4.6
4.2
3.9
BSMD1206L-700
10.5
9.1
7.7
7.0
6.3
4.9
4.6
4.2
BSMD1206L-750
11.3
9.8
8.3
7.5
6.8
5.3
4.9
4.5
BSMD1206L-800
12.0
10.4
8.8
8.0
7.2
5.6
5.2
4.8
BSMD1206L-850
12.8
11.1
9.4
8.5
7.7
6.0
5.5
5.1
BSMD1206L-900
13.5
11.7
9.9
9.0
8.1
6.3
5.9
5.4
BSMD1206L-950
14.3
12.4
10.5
9.5
8.6
6.7
6.2
5.7
BSMD1206L-1000
15.0
13.0
11.0
10.0
9.0
7.0
6.5
6.0
Specifications are subject to change without notice
Revision 2017
Polymer PTC Thermistor
3/6
BHFUSE
BSMD1206L Series Surface Mount PTC Device
Soldering Parameters
Profile Feature
Pb-Free Assembly
Average Ramp-Up Rate(Tsmax to Tp)
3℃/second max
Preheat
-Temperature Min(Tsmin)
-Temperature Max(Tsmax)
-Time(Tsmin to Tsmax)
150℃
200℃
60~180 seconds
Time maintained above:
-Temperature(TL)
-Time(tL)
217℃
60~150 seconds
Peak Temperature(Tp)
260℃
Ramp-Down Rate
6℃/second max
Time 25℃ to Peak Temperature
8 minutes max
Storage Condition
0℃~30℃,30%-60%RH
Recommended reflow methods: IR, vapor phase oven, hot air oven, N2 environment for lead-free.
Recommended maximum paste thickness is 0.25mm.
Devices can be cleaned using standard industry methods and solvents.
Note 1: All temperature refer to topside of the package, measured on the package body surface.
Note 2: If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements.
Environmental Specifications
Test
Conditions
Resistance change
Passive aging
+85°C, 1000 hrs.
±5% typical
Humidity aging
+85°C, 85% R.H. , 168 hours
±5% typical
Thermal shock
+85°C to -40°C, 20 times
±33% typical
Resistance to solvent
MIL-STD-202,Method 215
No change
Vibration
MIL-STD-202,Method 201
No change
Ambient operating conditions : - 40 °C to +85 °C
Maximum surface temperature of the device in the tripped state is 125 °C
Specifications are subject to change without notice
Revision 2017
Polymer PTC Thermistor
4/6
BHFUSE
BSMD1206L Series Surface Mount PTC Device
Physical Dimensions & Recommended Pad Layout (mm)
A
1.0
1.0
1.8
B
1.8
D
E
Part Number
Quantity
BSMD1206L-110
C
A
B
C
D
E
Min
Max
Min
Max
Min
Max
Min
Min
4000
--
3.50
--
1.85
--
0.8
0.25
0.10
BSMD1206L-125
4000
--
3.50
--
1.85
--
0.8
0.25
0.10
BSMD1206L-150
4000
--
3.50
--
1.85
--
0.8
0.25
0.10
BSMD1206L-175
4000
--
3.50
--
1.85
--
0.8
0.25
0.10
BSMD1206L-200
4000
--
3.50
--
1.85
--
0.8
0.25
0.10
BSMD1206L-230
4000
--
3.50
--
1.85
--
1.0
0.25
0.10
BSMD1206L-260
4000
--
3.50
--
1.85
--
1.0
0.25
0.10
BSMD1206L-300
4000
--
3.50
--
1.85
--
1.0
0.25
0.10
BSMD1206L-350
4000
--
3.50
--
1.85
--
1.0
0.25
0.10
BSMD1206L-380
4000
--
3.50
--
1.85
--
1.0
0.25
0.10
BSMD1206L-400
4000
--
3.50
--
1.85
--
1.0
0.25
0.10
BSMD1206L-450
4000
--
3.50
--
1.85
--
1.0
0.25
0.10
BSMD1206L-500
3000
--
3.50
--
1.85
--
1.2
0.25
0.10
BSMD1206L-550
3000
--
3.50
--
1.85
--
1.2
0.25
0.10
BSMD1206L-600
3000
--
3.50
--
1.85
--
1.2
0.25
0.10
BSMD1206L-650
3000
--
3.50
--
1.85
--
1.2
0.25
0.10
BSMD1206L-700
3000
--
3.50
--
1.85
--
1.2
0.25
0.10
BSMD1206L-750
3000
--
3.50
--
1.85
--
1.3
0.25
0.10
BSMD1206L-800
3000
--
3.50
--
1.85
--
1.3
0.25
0.10
BSMD1206L-850
3000
--
3.50
--
1.85
--
1.3
0.25
0.10
BSMD1206L-900
3000
--
3.50
--
1.85
--
1.3
0.25
0.10
BSMD1206L-950
3000
--
3.50
--
1.85
--
1.3
0.25
0.10
BSMD1206L-1000
3000
--
3.50
--
1.85
--
1.3
0.25
0.10
Specifications are subject to change without notice
Revision 2017
Polymer PTC Thermistor
5/6
BHFUSE
BSMD1206L Series Surface Mount PTC Device
Tape And Reel Specifications (mm)
Governing
Specifications
BSMD1206L-110~
BSMD1206L-260
BSMD1206L-300~
BSMD1206L-450
BSMD1206L-500~
BSMD1206L-1000
W
8.0 ± 0.3
8.0 ± 0.3
8.0 ± 0.3
F
3.5 ± 0.05
3.5 ± 0.05
3.5 ± 0.05
E1
1.75 ± 0.1
1.75 ± 0.1
1.75 ± 0.1
D0
1.55 ± 0.05
1.55 ± 0.05
1.55 ± 0.05
D1
1.0 ± 0.1
1.0 ± 0.1
1.0 ± 0.1
P0
4.0 ± 0.1
4.0 ± 0.1
4.0 ± 0.1
P1
4.0 ± 0.1
4.0 ± 0.1
4.0 ± 0.1
P2
2.0 ± 0.05
2.0 ± 0.05
2.0 ± 0.05
A0
1.95 ± 0.1
1.95 ± 0.1
1.95 ± 0.1
B0
3.65 ± 0.1
3.65 ± 0.1
3.65 ± 0.1
T
0.2 ± 0.1
0.2 ± 0.1
0.2 ± 0.1
K0
0.74 ± 0.1
1.04 ± 0.1
1.35 ± 0.1
Leader min
390
390
390
Trailer min
160
160
160
Reel Dimensions
C
φ178 ± 1.0
D
φ60.2 ± 0.5
H
11.0 ± 0.5
W
9.0 ± 1.5
Contact information
SHENZHEN HCHC ELECTRONIC CO., LTD
TEL: 0755-85259917 FAX: 0755-28704432
E-MAIL: sale@hchc-elec.com
Specifications are subject to change without notice
Revision 2017
Polymer PTC Thermistor
6/6
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