1
Revision Date: 11/23/2009
New Product
Silicon Switching Diode Series
1N4531UR
Maximum Ratings @ 25°C
Operating & Storage Temperature: -65°C to +175°C
Surge Current A, sine 8.3mS: 2.0 A
Surge Current B, square 8.3mS: 0.704 A
Operating Current: 200mA, TA= +75°C
Derating Factor: 2.0 mA/°C above TA= +25°C
D.C. Reverse Voltage (VRWM): 75V
Features
• Available in JAN, JANTX, and JANTXV per MIL-PRF-19500/116
• Metallurgically Bonded
• Hermetically Sealed
• Double Plug Construction
VFIRVBR
Ambient IFMinimum Maximum Ambient Minimum Maximum Ambient IRMinimum Maximum
(°C) mA V V (°C) V (dc) A A (°C) μAV V
25 10 - - - 0.8 25 20 - - - 0.025 25 100 100 25
25 100 - - - 1.2 25 75 - - - 0.500
150 10 - - - 0.8 150 20 - - - 35.0
-55 100 - - - 1.3 150 75 - - - 75.0
DC Electrical Characteristics
Symbol Maximum Maximum
Capacitance @ 0V pF - - - 4
Capacitance @ 1.5V pF - - - 2.8
TRR @ IF =IR=10mA, IRec = 1mA. nsec - - - 5
TFR @ IF = 50mA nsec - - - 20
VFR @ IF = 50mA V(pk) - - - 5
AC Electrical Characteristics @ 25°C
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Revision Date: 11/4/2009
Aeroflex / Metelics, Inc.
975 Stewart Drive, 54 Grenier Field Road,
Sunnyvale, CA 94085 Londonderry, NH 03053
Tel: (408) 737-8181 Tel: (603) 641-3800
Fax: (408) 733-7645 Fax: (603)-641-3500
Sales: 888-641-SEMI (7364)
Hi-Rel Components
9 Hampshire Street,
Lawrence, MA 01840
Tel: (603) 641-3800
Fax: (978) 683-3264
www.aeroflex.com/metelics-hirelcomponents
Aeroflex / Metelics, Inc. reserves the right to make changes to any products and services
herein at any time without notice. Consult Aeroflex or an authorized sales representative to
verify that the information in this data sheet is current before using this product. Aeroflex
does not assume any responsibility or liability arising out of the application or use of any
product or service described herein, except as expressly agreed to in writing by Aeroflex;
nor does the purchase, lease, or use of a product or service from Aeroflex convey a license
under any patent rights, copyrights, trademark rights, or any other of the intellectual rights
of Aeroflex or of third parties.
Copyright 2009 Aeroflex / Metelics. All rights reserved.
www.aeroflex.com/metelics metelics-sales@aeroflex.com
ISO 9001: 2008 certified companies
1N4531UR
LEADED DESIGN DATA
CASE: Hermetically sealed glass case per MIL-S-19500/116, DO – 213AA
LEAD MATERIAL: Copper clad steel
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (RӨJEC): 100 °C/W maximum
THERMAL IMPEDANCE: (ZӨJX): 70 °C/W maximum
POLARITY: Cathode end is banded.
Outline Drawing
