Positive Thermal Coefficent
Diodes
SMD2920P030~300 Series
The SMD2920 Series PTC provides surface mount overcurrent protection for applications where space is at a
premium and resettable protection is desired.
Features
• RoHS compliant, lead-free and halogen-free
• Fast response to fault currents
• Compact design saves board space
• Low resistance
• Low-profile
• Compatible with high temperature solders
ROHS
Applications
• USB peripherals
• Disk drives
• CD-ROMs
• Plug and play protection for motherboards
and peripherals
• Mobile phones - battery and port protection
• Disk drives
• PDAs / digital cameras
• Game console port protection
Dimension
MARKING CODE VARIES
WITH AMPERAGE RA
TING
(See Electrical Characteristic Table)
SHOWN IS 1.0AMP RATING
2.3 ± 0.1
2.3 ± 0.1
Top
View
N
D
B
Bottom
View
N
D
Side
View
5.1 ± 0.1
Bottom
View
N
Type Number
A
E
B
Max.
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
C
Max.
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.6± 0.1
A
C
D
Max.
1.15
1.15
1.15
1.15
1.00
0.90
0.90
0.90
0.90
0.90
0.90
0.90
0.90
0.90
Min.
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
Min.
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
Min.
0.60
0.60
0.60
0.60
0.40
0.40
0.40
0.30
0.30
0.30
0.30
0.30
0.30
0.30
Min.
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
SMD2920P030TF
SMD2920P050TF
SMD2920P075TF
SMD2920P075TF/60
SMD2920P100TF
SMD2920P125TF
SMD2920P150TF
SMD2920P185TF
SMD2920P200TF
SMD2920P200TF/24
SMD2920P250TF
SMD2920P260TF
SMD2920P300TF
SMD2920P300TF/15
All data is subject to change,Please check our data sheets at
www ruilon com
for updates.
©2012 RuiLong Yuan,Inc.
PTC 01
Electriacl Characteristics
Type Number
SMD2920P030TF
SMD2920P050TF
SMD2920P075TF
SMD2920P075TF/60
SMD2920P100TF
SMD2920P125TF
SMD2920P150TF
SMD2920P185TF
SMD2920P200TF
SMD2920P200TF/24
SMD2920P250TF
SMD2920P260TF
SMD2920P300TF
SMD2920P300TF/15
I
hold
(A)
0.30
0.50
0.75
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
I
trip
(A)
0.60
1.00
1.50
1.50
2.20
2.50
3.00
3.70
4.00
4.00
5.00
5.20
6.00
6.00
V
max
V
(dc)
60
60
33
60
33
33
33
33
16
24
16
6
6
16
I
max
(A)
100
100
100
100
100
100
100
100
100
100
100
100
40
100
P
d
max.
(W)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
Maximum Time
To Trip
Current
Time
(A)
(Sec.)
1.50
3.00
2.50
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
4.00
0.30
0.30
0.50
2.00
2.00
2.50
4.50
4.50
16.00
10.00
20.00
20.00
Resistance
R
min
(Ω)
0.600
0.180
0.100
0.065
0.065
0.050
0.035
0.030
0.020
0.020
0.020
0.014
0.012
0.012
R
1max
(Ω)
4.800
1.400
1.000
1.000
0.410
0.250
0.230
0.150
0.120
0.120
0.085
0.075
0.048
0.048
I
hold
= Hold current: maximum current device will pass without tripping in 20°C still air.
I
trip
= Trip current: minimum current at which the device will trip in 20°C still air.
V
max
= Maximum voltage device can withstand without damage at rated current (I
max
)
I
max
= Maximum fault current device can withstand without damage at rated voltage (V
max
)
P
d
= Power dissipated from device when in the tripped state at 20°C still air.
R
min
= Minimum resistance of device in initial (un-soldered) state.
Thermal Derating Chart-IH(A)
Type number
SMD2920P030TF
SMD2920P050TF
SMD2920P075TF
SMD2920P075TF/60
SMD2920P100TF
SMD2920P125TF
SMD2920P150TF
SMD2920P185TF
SMD2920P200TF
SMD2920P200TF/24
SMD2920P250TF
SMD2920P260TF
SMD2920P300TF
SMD2920P300TF/15
-40℃
0.45
0.76
1.13
1.13
1.66
1.89
2.27
2.80
3.02
3.02
3.78
3.64
4.53
4.53
-20℃
0.40
0.67
1.01
1.01
1.47
1.68
2.01
2.47
2.68
2.68
3.35
3.25
4.02
4.02
0℃
0.35
0.59
0.88
0.88
1.29
1.46
1.76
2.17
2.34
2.34
2.93
2.91
3.51
3.51
23℃
0.30
0.50
0.75
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
40℃
0.25
0.42
0.62
0.62
0.91
1.04
1.25
1.54
1.66
1.66
2.08
2.26
2.52
2.52
50℃
0.23
0.38
0.56
0.56
0.83
0.94
1.13
1.39
1.50
1.50
1.88
2.08
2.26
2.26
60℃
0.20
0.33
0.50
0.50
0.73
0.83
1.00
1.22
1.32
1.32
1.65
1.95
1.99
1.99
70℃
0.17
0.29
0.44
0.44
0.64
0.73
0.87
1.07
1.16
1.16
1.45
1.74
1.75
1.75
85℃
0.14
0.23
0.34
0.34
0.50
0.56
0.74
0.85
0.90
0.90
1.13
1.13
1.34
1.34
Thermal Deratin g Cu r v e
Derating Curves for SMD Series
160
Typ ical Time-To-Tri p At 25° C
Average Time Current Curves
100
3.00A
0.50A
0.75A
1.00A
Percentage of Derated
Current
120
100
80
60
40
20
0
-40
-20
0
20
40
60
80
140
10
Time In Seconds
1.25A
1.5A
1.85A
1
2.0A
2.5A
2.6A
0.1
0.3A
0.01
0.1
1
Current In Amperes
Temperature (°C)
10
100
PTC 02
All data is subject to change,Please check our data sheets at
www ruilon com
for updates.
©2012 RuiLong Yuan,Inc.
Recommended Solder Reflow Conditions
300
250
200
190
160
100
0
Preheating
Soldering
Temperature(°C)
Cooling
•Recommended
reflow methods：IR, vapor phase oven, hot air oven.
•Devices
are not designed to be wave soldered to the bottom side
of the board.
•Recommended
maximum paste thickness is 0.25 mm (0.010 inch).
•Devices
can be cleaned using standard method and solvents.
Note：If reflow temperatures exceed the recommended profile,
devices may not meet the performance requirements.
60-120
sec.
30-60
sec.
120
sec.
)
Tape And Reel Specifications (mm)
Governing Specifications
W
P
0
P
1
P
2
A
0
B
0
B
1
max.
D
0
F
E
1
E
2
min.
Tmax.
T
1
max.
K
0
Leader min.
Trailer min.
Reel Dimensions
A max.
N min.
W
1
W
2
max.
EIA 481-2
16.0 ± 0.3
4.0 ± 0.10
8.0 ± 0.10
2.0 ± 0.05
5.70 ± 0.10
8.00 ± 0.10
12.1
1.5 + 0.1, -0
7.5 ± 0.05
1.75 ± 0.10
14.25
0.6
0.1
0.80 ± 0.1
390
160
178
60
16.4 + 2.0, -0.0
22.4
EIA Tape Component Dimentions
P
0
T
Cover tape
A
0
Embossment
D
0
P
2
E
1
F
B
0
W
E
2
B
1
K
0
T
1
P
1
EIA Reel Dimentions
W2(measured at hub)
A
Cover tape
Carrier tape
Embossed cavity
0
N(hub dia.)
W1(measured at hub)
Storage And Handling
•
Storage conditions：40°C max, 70% R.H.
•
Devices may not meet specified performance
if storage conditions are exceeded.
Order Information
SMD2920
Product name
050L
Hold
Current
0.50A
Packaging
Tape & Reel Quantity
2,000 pcs/reel
Size 7555mm/2920 mils
SMD：surface mount device
Tape & reel packaging per EIA481-1
4
All data is subject to change,Please check our data sheets at
www ruilon com
for updates.
©2012 RuiLong Yuan,Inc.
PTC 03
RUILONG.YUAN CO.,LTD
Tel: +86- 0755-82908296
Fax: +86- 0755-82908002
RuiLongYuan Electronics are trademarks.
Email:
jack@ruilon.com
Website:
http://www.ruilon.com
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each
product selected for their own applications. RUILONYUAN Electronics reserves the right to change or update, without notice, any information
contained in this publication; to change, without notice, the design, construction, processing, or specification of any product; and to discontinue
or limit production or distribution of any product. This publication supersedes and replaces all information previously supplied. Without
expressed or written consent by an officer of RUILONYUAN Electronics, RUILONYUAN Electronics does not authorize the use of any of its
products as components in nuclear facility applications, aerospace, or in critical life support devices or systems. RUILONYUAN Electronics
expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of
merchantability or fitness for a particular purpose. RUILONYUAN Electronics’ only obligations are those in the RUILONYUAN Electronics
Standard Terms and Conditions of Sale and in no case will RUILONYUAN Electronics be liable for any incidental, indirect, or consequential
damages.
PTC 04
All data is subject to change,Please check our data sheets at
www ruilon com
for updates.
©2012 RuiLong Yuan,Inc.
医疗电子
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
