PRODUCT DATASHEET
Surface Mount PTC Devices
ASMD0805 Series Surface Mount PTC Devices
ASMD0805 Series Surface Mount PTC Devices
Description
The ASMD0805 series provides miniature surface
mount resettable overcurrent protection with holding
current from 50mA to 1.5A.
This series is suitable for ultra portable applications
where space is at a premium and the device current is
low.
Features
● RoHS compliant and lead-free
● Low profile
● Halogen-free
● Fast response to fault current
● Compact design saves board space
● Compatible with high temperature solders
Agency Approvals
Agency
Applications
File Number
pending
pending
● Mobile phones and PDAs
● IC VCC protection
● Portable MP3 and media player
● Set-top-box and HDMI
● Mobile Internet Device (MID)
● Game console port protection
● USB peripherals
Regulation
Standard
2002/95/EC
EN14582
JDT Fuse Industrial Co., Ltd
www.jdtfuse.com
Page 1/7
Revised:14/06/18
ASMD0805 Series Surface Mount PTC Devices
Performance Specification
Model
V max
(V dc)
I max
(A)
I hold
I trip
Maximum
Time To Trip
Pd
Resistance
@25°C
(A)
@25°C
(A)
Typ.
(W)
Current
(A)
Time
(Sec)
R i min
R1max
(Ω)
(Ω)
ASMD0805-005
15.0
100
0.05
0.15
0.5
0.5
1.50
1.500
20.0
ASMD0805-010
15.0
100
0.10
0.30
0.5
0.5
1.50
0.750
6.00
ASMD0805-010-30V
30.0
100
0.10
0.30
0.5
0.5
1.50
0.750
6.00
ASMD0805-020
9.0
100
0.20
0.50
0.5
8.0
0.02
0.500
3.500
ASMD0805-035
6.0
100
0.35
0.75
0.5
8.0
0.10
0.200
1.200
ASMD0805-035-12V
12.0
100
0.35
0.75
0.5
8.0
0.10
0.200
1.200
ASMD0805-050
6.0
100
0.50
1.00
0.5
8.0
0.10
0.100
0.850
ASMD0805-050-12V
12.0
100
0.50
1.00
0.5
8.0
0.10
0.100
0.850
ASMD0805-050-16V
16.0
100
0.50
1.00
0.5
8.0
0.10
0.100
0.850
ASMD0805-050-24V
24.0
100
0.50
1.00
0.5
8.0
0.10
0.100
0.850
ASMD0805-075
6.0
40
0.75
1.50
0.6
8.0
0.20
0.070
0.385
ASMD0805-075-12V
12
40
0.75
1.50
0.6
8.0
0.20
0.070
0.385
ASMD0805-100
6.0
100
1.00
1.95
0.6
8.0
0.30
0.040
0.230
ASMD0805-100-12
12.0
100
1.00
1.95
0.6
8.0
0.30
0.040
0.230
ASMD0805-110
6.0
100
1.10
2.20
0.6
8.0
0.30
0.035
0.210
ASMD0805-110-12V
12.0
100
1.10
2.20
0.6
8.0
0.30
0.035
0.210
ASMD0805-125
6.0
100
1.25
2.50
1.5
8.0
0.60
0.025
0.140
ASMD0805-150
6.0
100
1.50
3.00
1.0
8.0
0.50
0.015
0.130
I hold = Hold Current. Maximum current device will not trip in 25°C still air.
I trip = Trip Current. Minimum current at which the device will always trip in 25°C still air.
V max = Maximum operating voltage device can withstand without damage at rated current (Imax).
I max = Maximum fault current device can withstand without damage at rated voltage (V max).
Pd
= Power dissipation when device is in the tripped state in 25°C still air environment at rated voltage.
Ri min/max = Minimum/Maximum device resistance prior to tripping at 25°C.
R1max = Maximum device resistance is measured one hour post reflow.
CAUTION : Operation beyond the specified ratings may result in damage and possible arcing and flame.
Environmental Specifications
Conditions
Test
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
JDT Fuse Industrial Co., Ltd
www.jdtfuse.com
Page 2/7
Revised:14/06/18
ASMD0805 Series Surface Mount PTC Devices
Percentage of Derated Current
Thermal Derating Curve
Derating Curves for ASMD0805 Series
200
150
100
50
0
-40
-20
0
20
40
Temperature (°C )
60
80
Average Time-Current Curve
Thermal Derading Chart
Model
Maximum ambient operating temperature (Tmao) vs. hold current (Ihold)
- 40°C
- 20°C
0°C
25°C
40°C
50°C
60°C
70°C
85°C
ASMD0805-005
0.070
0.060
0.055
0.050
0.040
0.035
0.030
0.025
0.015
ASMD0805-010
0.14
0.12
0.11
0.10
0.08
0.07
0.06
0.05
0.03
ASMD0805-020
0.28
0.25
0.23
0.20
0.17
0.14
0.12
0.10
0.07
ASMD0805-035
0.47
0.44
0.39
0.35
0.30
0.27
0.24
0.20
0.14
ASMD0805-050
0.68
0.62
0.55
0.50
0.40
0.37
0.33
0.29
0.23
ASMD0805-075
1.00
0.90
0.79
0.75
0.63
0.57
0.53
0.41
0.34
ASMD0805-100
1.35
1.25
1.15
1.00
0.82
0.74
0.65
0.55
0.42
ASMD0805-110
1.45
1.35
1.20
1.10
0.92
0.84
0.75
0.65
0.52
ASMD0805-125
1.65
1.53
1.36
1.25
1.05
0.95
0.85
0.74
0.59
ASMD0805-150
1.98
1.84
1.63
1.50
1.26
1.14
1.02
0.88
0.71
JDT Fuse Industrial Co., Ltd
www.jdtfuse.com
Page 3/7
Revised:14/06/18
ASMD0805 Series Surface Mount PTC Devices
Soldering Parameters
TP 20~40 S
TP 260
Ramp-up
Critical Zone
TL to TP
TL 217
tL
Tsmax
60~150 s
Temperature (°C )
200
Tsmin
Ramp-down
150
ts
Preheat 60~180 s
25
t 25°C to peak
Time
Profile Feature
Average Ramp-Up Rate
Pb-Free Assembly
3℃/second mac.
(Ts max to T p)
Preheat
-Temperature Min(Ts min)
150℃
-Temperature Max(Ts max)
200℃
-Time(Ts min to Ts max)
60~180 seconds
Time maintained above:
-Temperature(TL)
217℃
-Time(tL)
60~150 seconds
Peak Temperature(Tp)
260℃
Ramp-Down Rate
6℃/second max.
Time 25℃ to Peak Temperature 8 minutes max
Storage Condition
0℃~35℃,≤70%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.
JDT Fuse Industrial Co., Ltd
www.jdtfuse.com
Page 4/7
Revised:14/06/18
ASMD0805 Series Surface Mount PTC Devices
Physical Dimensions(mm.)
A
Model
B
C
D
E
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Min.
ASMD0805-005
2.00
2.20
1.20
1.50
0.40
0.90
0.20
0.10
ASMD0805-010
2.00
2.20
1.20
1.50
0.40
0.90
0.20
0.10
ASMD0805-010-30V
2.00
2.20
1.20
1.50
0.40
0.90
0.20
0.10
ASMD0805-020
2.00
2.20
1.20
1.50
0.35
0.80
0.20
0.10
ASMD0805-035
2.00
2.20
1.20
1.50
0.35
0.80
0.20
0.10
ASMD0805-035-12V
2.00
2.20
1.20
1.50
0.35
0.80
0.20
0.10
ASMD0805-050
2.00
2.20
1.20
1.50
0.35
0.80
0.20
0.10
ASMD0805-050-12V
2.00
2.20
1.20
1.50
0.35
0.80
0.20
0.10
ASMD0805-050-16V
2.00
2.20
1.20
1.50
0.50
1.10
0.20
0.10
ASMD0805-050-24V
2.00
2.20
1.20
1.50
0.50
1.10
0.20
0.10
ASMD0805-075
2.00
2.20
1.20
1.50
0.50
1.00
0.20
0.10
ASMD0805-075-12V
2.00
2.20
1.20
1.50
0.50
1.00
0.20
0.10
ASMD0805-100
2.00
2.20
1.20
1.50
0.70
1.20
0.20
0.10
ASMD0805-100-12V
2.00
2.20
1.20
1.50
0.70
1.20
0.20
0.10
ASMD0805-110
2.00
2.20
1.20
1.50
0.70
1.20
0.20
0.10
ASMD0805-110-12V
2.00
2.20
1.20
1.50
0.70
1.20
0.20
0.10
ASMD0805-125
2.00
2.20
1.20
1.50
1.00
1.50
0.20
0.10
ASMD0805-150
2.00
2.20
1.20
1.50
1.00
1.50
0.20
0.10
Termination Pad Characteristics
Terminal pad materials:Tin-plated Nickel-Copper
Terminal pad solder ability:Meets EIA specification RS186-9E and ANSI/J-STD-002 Category 3
Packaging Quantity and Marking
1.2±0.1
Part Number
1.5±0.1
Quantity
ASMD0805-005.010.020.035.050.
5,000 pcs/reel
ASMD0805-075.100.110.125.
4,000 pcs/reel
ASMD0805-150
3,500 pcs/reel
Tape & reel packaging per EIA481-1
1.0±0.1
JDT Fuse Industrial Co., Ltd
www.jdtfuse.com
1.0±0.1
Page 5/7
Revised:14/06/18
ASMD0805 Series Surface Mount PTC Devices
Tape And Reel Specifications (mm)
Governing Specifications
EIA 481-1
W
8.0 ± 0.3
P0
4.0 ± 0.10
P1
4.0 ± 0.10
P2
2.0 ± 0.05
A0
1.45 ± 0.10
B0
2.30 ± 0.10
B1max.
4.35
D0
1.55 + 0.1, -0
F
3.5 ± 0.05
E1
1.75 ± 0.10
E2min.
6.25
T
0.25
T1max.
0.1
K0
0.74 ± 0.1
Leader min.
390
Trailer min.
160
Reel Dimensions
A max.
178
N min.
60
W1
9.0 ± 0.5
W2
12.0 ± 0.05
Storage And Handling
● Storage conditions:40°C max, 70% R.H.
● Devices may not meet specified performance
if storage conditions are exceeded.Technology Corp.
JDT Fuse Industrial Co., Ltd
www.jdtfuse.com
P1
P2
D0
P0
E1
F
W
T
D2
K0
A0
B0
H
W4
W3
D
C
W2
W
F
W1
H1
Page 6/7
Revised:14/06/18
ASMD0805 Series Surface Mount PTC Devices
Part Number System
ASMD 0805 -
Special Voltage Rating(Optional)
Holding Current Rating
Device Dimensions:
Length/width(Unit:1/100 inch) Size 2012 mm / 0805 inch
Surface Mount Device
Cross Reference
Cross Reference
Model
Tyco / PolySwitch®
Littelfuse / POLY-FUSE®
Polytronics / EVERFUSE®
ASMD0805-010
-
0805L010
SMD0805P010TF
ASMD0805-020
-
0805L020
SMD0805P020TF
ASMD0805-035
picoSMDC035F
0805L035
SMD0805P035TF
ASMD0805-050
-
0805L050
SMD0805P050TF
ASMD0805-075
-
0805L075
SMD0805P075TF
ASMD0805-100
-
0805L100
SMD0805P100TF
ASMD0805-100-12
-
0805L100/12
SMD0805P100TF/12
ASMD0805-110
-
0805L110
SMD0805P110TF
ASMD0805-125
-
-
-
“PolySwitch” is a registered trademark of Tyco Electronics.
“POLY-FUSE” is a registered trademark of Littelfuse,Inc.
“EVERFUSE” is a registered trademark of Polytronics Technology Corp.
JDT Fuse Industrial Co., Ltd
www.jdtfuse.com
Page 7/7
Revised:14/06/18
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