MFRG [BOURNS]
PTC Resettable Fuses; PTC自恢复保险丝
| 型号： | MFRG |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | PTC Resettable Fuses |
| 文件： | 总4页 (文件大小：272K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
■ Radial leaded devices
■ Smaller size for similar I
■ Faster tripping
Applications
■ Automotive applications
rating
■ Anywhere space is limited and fast
tripping is required
hold
RG700
■ RoHS compliant*
MF-RG Series - PTC Resettable Fuses
Electrical Characteristics
1 Hour (R )
1
Max. Time
To Trip
Tripped
Power
Dissipation
Initial
Resistance
I
I
trip
hold
Post-Trip
Resistance
V max.
Model
I max.
Amps
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Volts
Hold
Trip
Min.
Max.
Max.
Typ.
2.30
2.60
MF-RG300
MF-RG500
16
16
100
100
3.00
5.00
5.10
8.50
0.038
0.015
0.065
0.023
0.098
0.034
15
25
1.0
2.0
Environmental Characteristics
Operating/Storage Temperature ........................-40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State ................................................125 °C
Passive Aging......................................................+85 °C, 1000 hours .................................... 5 ꢀ typical resistance change
Humidity Aging....................................................+85 °C, 85 ꢀ R.H. 1000 hours.................... 5 ꢀ typical resistance change
Thermal Shock....................................................-40 °C to +85 °C, 10 times.......................... 10 ꢀ typical resistance change
Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change
Vibration..............................................................MIL-STD-883C, Method 2007.1, ................No change
Condition A
Test Procedures And Requirements For Model MF-RG Series
Test
Test Conditions
Accept/Reject Criteria
Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description
Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ Rmax
Time to Trip ........................................................5 times Ihold, Vmax, 23 °C..........................T ≤ max. time to trip (seconds)
Hold Current ......................................................30 min. at Ihold............................................No trip
Trip Cycle Life ....................................................Vmax, Imax, 100 cycles ..............................No arcing or burning
Trip Endurance....................................................Vmax, 48 hours ..........................................No arcing or burning
Thermal Derating Chart - I
(Amps)
hold
Ambient Operating Temperature
Model
-40 °C
4.4
-20 °C
4.0
0 °C
3.6
23 °C
3.0
40 °C
2.6
50 °C
2.4
60 °C
2.1
70 °C
1.9
85 °C
1.4
MF-RG300
MF-RG500
7.3
6.6
6.0
5.0
4.4
4.0
3.6
3.1
2.4
*I
is approximately two times I
hold.
trip
Asia-Pacific:
Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
Circuit Protection Division
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-RG Series - PTC Resettable Fuses
Product Dimensions
A
Max.
7.1
(0.280)
10.4
(0.409)
B
Max.
11.0
(0.433)
14.3
(0.563)
C
D
Min.
7.6
(0.299)
7.6
(0.299)
E
Max.
3.0
(0.118)
3.0
(0.118)
F
Physical Characteristics
Model
MF-RG300
MF-RG500
Nom.
5.1
(0.201)
5.1
Tol.
0.7
(0.028)
0.7
Nom.
0.81
(0.032)
0.81
Style Lead Dia.
Material
0.81
(0.032)
1
Sn/Cu
0.81
(0.032)
1
Sn/Cu
(0.201)
(0.028)
(0.032)
MM
(INCHES)
Packaging options:
0.81 (20AWG)
DIMENSIONS =
BULK: 500 pcs. per bag. TAPE & REEL: 1000 pcs. per reel. AMMO-PACK: 2000 pcs. per reel.
A
E
Typical Part Marking
How to Order
MF - RG 300 - __
Represents total content. Layout may vary.
Multifuse® Product Designator
MANUFACTURER'S
TRADEMARK
Style
B
D
RG = Smaller Radial Leaded Component
Component
PART
IDENTIFICATION
RG300
6180T
LOT NO.
(T = TAIWAN)
Hold Current, I
hold
DATE CODE
(LAST DIGIT
OF YEAR &
300-500 (3.0 Amps - 5.0 Amps)
Packaging Options
JULIAN DATE)
-
= Bulk Packaging
- 2 = Tape and Reel
- AP = Ammo-Pak
F
C
NOTE: Kinked leads are available for board
standoff options. Contact factory for details.
Typical Time to Trip at 23 °C
100
10
1
0.1
0.01
MF-RG500
MF-RG300
0.001
1
10
100
Fault Current (Amps)
MF-RG SERIES, REV. C, 06/07
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
COPYRIGHT© 2005, BOURNS, INC. LITHO IN U.S.A., MF0526 12/05
MF-RG Series Tape and Reel Specifications
Devices taped using EIA468–B/IEC60286-2 standards. See table below and Figures 1 and 2 for details.
Dimensions
IEC
Mark
EIA
Mark
Dimension Description
Carrier tape width
Dimensions
Tolerance
18
(.709)
-0.5/+1.0
(-0.02/+.039)
W
W
11
(.433)
Hold down tape width: all others
Hold down tape
W4
min.
W0
W2
W1
D0
H
No protrusion
3
Top distance between tape edges
Sprocket hole position
W6
W5
D0
H
max.
(.118)
9
-0.5/+0.75
(-0.02/+0.03)
0.2
( .0078)
(.354)
4
(.157)
Sprocket hole diameter
18.5
(.728)
3.0
( .118)
Abscissa to plane (straight lead)
Abscissa to plane (kinked lead)
Abscissa to top (straight lead)
Abscissa to top (kinked lead)
Overall width w/lead protrusion (straight lead)
Overall width w/lead protrusion (kinked lead)
Overall width w/o lead protrusion (straight lead)
Overall width w/o lead protrusion (kinked lead)
Lead protrusion
16
(.63)
0.5
( .02)
H0
H1
H1
H0
H1
H1
C1
C1
C2
C2
L1
L
38.0
(1.496)
max.
max.
max.
max.
max.
max.
max.
max.
32.2
(1.268)
55.0
(2.165)
43.2
(1.7)
54.0
(2.126)
42.5
(1.673)
1.0
(.039)
I1
L
11
(.433)
Protrusion of cutout
Protrusion beyond hold-down tape
Sprocket hole pitch
I2
P0
I2
Not specified
0.3
( .012)
12.7
(0.5)
P0
1
Pitch tolerance
20 consecutive
( .039)
12.7
(0.5)
Device pitch:
0.9
(.035)
Tape thickness
t
t
max.
max.
2.0
(.079)
Tape thickness with splice:
Splice sprocket hole alignment
Body lateral deviation
t1
4.0
(.157)
0.2
( .008)
1
∆h
∆p
∆P1
F
∆h
∆p
P1
F
0
0
( .039)
0.3
( .051)
Body tape plane deviation
Lead seating plane deviation
Lead spacing:
3.81
(.015)
0.7
( .028)
8.0
(.1315)
56.0
(2.20)
Reel width
w
w
max.
max.
370.0
(14.57)
Reel diameter
d
a
4.75
(.187)
3.25
( .128)
Space between flanges less device
MM
DIMENSIONS =
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-RG Series Tape and Reel Specifications
Dimensions
IEC
Mark
EIA
Mark
Dimension Description
Arbor hole diameter
Core diameter
Dimensions
Tolerance
26.0
(1.02)
80.0
(3.15)
12.0
( .472)
f
c
n
h
max.
max.
max.
64
372
362
Box
(2.52) (14.6) (14.25)
Consecutive missing places
Empty places per reel
3
Not specified
Taped Component Dimensions - Figure 1
∆p
∆h
∆h
∆p
Reference plane
P1
H1
H1
H
F
MM
DIMENSIONS =
H0
(INCHES)
A
B
L
W1
W0
W
I2
P0
D0
I1
User direction of feed
Cross section A - B
t
Reel Dimensions - Figure 2
Reel
Upper side
Tape
h
f
User
direction
of
d
feed
Lower side
h
w
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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