1N4448: High-speed diodes
The 1N4148 and 1N4448 are high-speed switching diodes fabricated in planar technology, and encapsulated in hermetically sealed leaded glass SOD27 (DO-35) packages.
For efficiency and logistic reasons the manufacturing and selling of products of the glass-diode type family 1N4148 is taken over completely by TAK CHEONG under license of NXP®, where it has been manufactured already since year 2003.
This includes also the complete customer support like product information, complaint issue handling, application support etc.
1N4448: Product Block Diagram
sod027_3d
Data Sheets (1)
| Name/Description | Modified Date |
|---|---|
| High-speed diodes (REV 5.0) PDF (122.0 kB) 1N4148_1N4448 [English] | 10 Aug 2004 |
Application Notes (5)
| Name/Description | Modified Date |
|---|---|
| Vacuum cleaner with Philips P89LPC901 (REV 1.0) PDF (296.0 kB) AN10496 [English] | 10 Aug 2006 |
| ECO-monitor (REV 1.0) PDF (2.0 MB) AN00057 [English] | 08 Nov 2000 |
| 90W Resonant SMPS with TEA1610 SwingChip (tm) (REV 1.0) PDF (438.0 kB) AN99011 [English] | 14 Sep 2000 |
| Circuit description of CCM420 monitor (REV 1.0) PDF (501.0 kB) AN97032 [English] | 14 Oct 1997 |
| 22 MHz Video Amplifier for Large Jumbo Picture Tubes (REV 1.0) PDF (566.0 kB) AN95008 [English] | 16 Mar 1996 |
Selector Guides (1)
| Name/Description | Modified Date |
|---|---|
| Discretes Semiconductors Selection Guide 2016 (REV 1.0) PDF (47.9 MB) 75017631 [English] | 17 Feb 2016 |
Package Information (1)
| Name/Description | Modified Date |
|---|---|
| hermetically sealed glass package; axial leaded; 2 leads (REV 1.0) PDF (174.0 kB) SOD27 [English] | 08 Feb 2016 |
Packing (3)
| Name/Description | Modified Date |
|---|---|
| Reel pack axial; standard product orientation 12NC ending 113 (REV 1.1) PDF (127.0 kB) SOD27_113 [English] | 07 Nov 2012 |
| Ammo pack axial taped; standard product orientation 12NC ending 133 (REV 1.0) PDF (128.0 kB) SOD27_133 [English] | 07 Nov 2012 |
| Ammo pack axial taped; standard product orientation 12NC ending 143 (REV 1.1) PDF (128.0 kB) SOD27_143 [English] | 07 Nov 2012 |
Reliability and Quality Information (3)
| Name/Description | Modified Date |
|---|---|
| TAK Cheong licensing 1N4148 1N4448 BAW62 glass-diodes (REV 1.0) PDF (656.0 kB) TAK-CHEONG-LICENSING-1N4148_1N_1 [English] | 23 Oct 2015 |
| 1N4448 NXP® Product Quality (REV 1.1) PDF (74.0 kB) 1N4448_NXP_PRODUCT_QUALITY [English] | 31 Jan 2015 |
| 1N4448 NXP® Product Reliability (REV 1.1) PDF (82.0 kB) 1N4448_NXP_PRODUCT_RELIABILITY [English] | 31 Jan 2015 |
Supporting Information (1)
| Name/Description | Modified Date |
|---|---|
| Wave Soldering Profile (REV 1.0) PDF (20.0 kB) WAVE_SOLDERING_PROFILE [English] | 30 Sep 2013 |
Design Support
- LSYMDIO_1 (REV 0.1) PDF LSYMDIO_1 5/1/1999
SPICE model
- 1N4448 SPICE model (REV 1.1) prm 1N4448 7/22/2012
Ordering Information
| Product | Status | Package version | Package name | Size (mm) | VR max (V) | VR [max] (V) | IFSM [max] (A) | IF max (mA) | VF [max] (mV) | Configuration | IR [max] (nA) | trr max (ns) | IFRM (mA) | VFmax (mV) | IR max (nA) | IFSM max (A) | trr [max] (ns) | IFRM (mA) | IF [max] (mA) | Cd max. (pF) | Cd [max] (pF) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1N4448 | End of Life | SOD27 | ALF2 | 4.25 x 1.85 | 100 | 100 | 4 | 200 | 1000@IF=100mA | single | 25@VR=20V | 4 | 450 | 1000@IF=100mA | 25@VR=20V | 4 | 4 | 450 | 200 | 4 | 4 |
Package Information
| Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1N4448 | | SOD27 | Wave_Soldering_Profile | Reel, Axial, 52mm | Withdrawn | 1N4448,113 (9331 203 50113) | Standard Marking |   | 1 | 1 | |
| Ammopack, Axial, 26mm | Withdrawn | 1N4448,143 (9331 203 50143) | Standard Marking | | 1 | 1 | |||||
| Ammopack, Axial, 52mm | Withdrawn | 1N4448,133 (9331 203 50133) | Standard Marking | | 1 | 1 |
