LL4148
Low Power Signal Diodes
Page 1 07/04/06 V1.0
Features:
••Surge overload ratings to 2 amperes peak.
••Ιdeal for printed circuit board.
••Mounting position: Any
Mini Melf
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive
load. For capacitive load, derate current by 20%.
Maximum Ratings
Type Number Symbol Value Unit
Repetitive Peak Reverse Voltage VRRM 100
V
Reverse Voltage VR75
Forward Repetitive Peak Current (Note 1) IFRM 500
mA
Average Forward Current IF(AV) 150
Peak Forward Surge Current tp = 1µsIFSM 2.0 A
Power Dissipation ( Note 1 ) Pd500 mW
Thermal Resistance Junction to Ambient Air (Note 1) RθJA 350 K/W
Operating and Storage Temperature Range Tj,TSTG -65 to +175 °C
Electrical Characteristics
Type Number Symbol Minimum Maximum Unit
Forward Voltage IF = 5.0mA
IF = 50mA V0.62
-
0.72
1.0 V
Peak Reverse Current
VR = 20V
VR = 20V, Tj = 150°C
VR = 75V
IR-
25
50
5
Junction Capacitance VR = 0, f = 1.0MHz Cj- 4.0 mA
Reverse Recovery Time (Note 2) trr - 4.0
Notes:
1. Valid provided that terminals are kept at ambient temperature.
2. Reverse recovery test conditions: IF= 10mA, VR= 6V, Irr = 0.1 x IR, RL= 100Ω.
LL4148
Low Power Signal Diodes
Page 2 07/04/06 V1.0
Ratings and Characteristic Curves
Figure 1 Forward Current Forward Voltage Figure 2 Reverse Current Reverse Voltage
Figure 3 Diode Capacitance Reverse Voltage
LL4148
Low Power Signal Diodes
Page 3 21/04/04 V1.0
Figure 3 Diode Capacitance Reverse VoltageFigure 2 Reverse Current Reverse Voltage
Vrrm
(V)
Vr
(V)
Ifsm
(A)
Ifrm
(mA)
If
(mA)
If (av)
(mA)
Pd
(mW) Package Part Number
100 75 2 500 200 150 500 MiniMELF LL4148
Specifications
For enquiries from all other markets
LL4148
Low Power Signal Diodes
Page 4 07/04/06 V1.0
Notes:
International Sales Offices:
AUSTRALIA – Farnell InOne
Tel No: ++ 61 2 9645 8888
Fax No: ++ 61 2 9644 7898
FRANCE – Farnell InOne
Tel No: ++ 33 474 68 99 99
Fax No: ++ 33 474 68 99 90
NORWAY – Farnell InOne
Tel No: ++ 45 44 53 66 66
Fax No: ++ 45 44 53 66 02
AUSTRIA – Farnell InOne
Tel No: ++ 43 662 2180 680
Fax No: ++ 43 662 2180 670
GERMANY – Farnell InOne
Tel No: ++ 49 89 61 39 39 39
Fax No: ++ 49 89 613 59 01
PORTUGAL – Farnell InOne
Tel No: ++ 34 93 475 8804
Fax No: ++ 34 93 474 5288
ESTONIA – Farnell InOne
Tel No: ++ 358 9 560 7780
Fax No: ++ 358 9 345 5411
NETHERLANDS
– Farnell InOne
Tel No: ++ 31 30 241 7373
Fax No: ++ 31 30 241 7333
UK – Farnell InOne
Tel No: ++ 44 8701 200 200
Fax No: ++ 44 8701 200 201
SINGAPORE
–
Farnell-Newark InOne
Tel No: ++ 65 6788 0200
Fax No: ++ 65 6788 0300
HONG KONG
–
Farnell-Newark InOne
Tel No: ++ 852 2268 9888
Fax No: ++ 852 2268 9899
BELGIUM – Farnell InOne
Tel No: ++ 32 3 475 2810
Fax No: ++ 32 3 227 3648
BRAZIL – Farnell-Newark InOne
Tel No: ++ 55 11 4066 9400
Fax No: ++ 55 11 4066 9410
IRELAND – Farnell InOne
Tel No: ++ 353 1 830 9277
Fax No: ++ 353 1 830 9016
SPAIN – Farnell InOne
Tel No: ++ 34 93 475 8805
Fax No: ++ 34 93 474 5107
CHINA – Farnell-Newark InOne
Tel No: ++86 10 6238 5152
Fax No: ++86 10 6238 5022
ITALY – Farnell InOne
Tel No: ++ 39 02 93 995 200
Fax No: ++ 39 02 93 995 300
SWEDEN – Farnell InOne
Tel No: ++ 46 8 730 50 00
Fax No: ++ 46 8 83 52 62
MALAYSIA –
Farnell-Newark InOne
Tel No: ++ 60 3 7873 8000
Fax No: ++ 60 3 7873 7000
SWITZERLAND
– Farnell InOne
Tel No: ++ 41 1 204 64 64
Fax No: ++ 41 1 204 64 54
DENMARK – Farnell InOne
Tel No: ++ 45 44 53 66 44
Fax No: ++ 45 44 53 66 06
UK –CPC
++ 44 8701 202 530
++ 44 8701 202 531
UK –BuckHickman InOne
++ 44 8450 510 150
++ 44 8450 510 130
NEW ZEALAND
– Farnell InOne
Tel No: ++ 64 9 357 0646
Fax No: ++ 64 9 357 0656
EXPORT – Farnell InOne
Tel No: ++ 44 8701 200 208
Fax No: ++ 44 8701 200 209
export
FINLAND – Farnell InOne
Tel No: ++ 358 9 560 7780
Fax No: ++ 358 9 345 5411
Disclaimer This data sheet and its contents (the "Information") belong to the Premier Farnell Group (the "Group") or are licensed to it. No licence is granted for the use of it other than for information purposes
in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied.
The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data
sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage
resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded.
This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. Multicomp is the registered trademark of the Group. © Premier Farnell plc 2004.
http://www.farnellinone.com
http://www.buckhickmaninone.com
http://www.cpc.co.uk
