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  Microsemi Electronic Components Datasheet  

1PMT4125 Datasheet

Powermite Low Noise 1 Watt Zener Diodes

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1PMT4614e3 – 1PMT4627e3,
1PMT4099e3 – 1PMT4135e3
Compliant
Powermite Low Noise
1 Watt Zener Diodes
DESCRIPTION
This Microsemi Powermite surface mount low noise Zener package series provides a higher
power handling capability that are also RoHS compliant. In addition to its size advantages,
Powermite package features include a full-metallic bottom that eliminates the possibility of
solder flux entrapment during assembly, and a unique locking tab acts as an efficient heat path
from die to mounting plane for external heat sinking with very low thermal resistance junction
to case (bottom). Its innovative design makes this device ideal for use with automatic insertion
equipment.
Important: For the latest information, visit our website http://www.microsemi.com.
FEATURES
Surface mount equivalent to JEDEC registered 1N4099 through 1N4135 and 1N4614 through
1N4627 series except with additional power capability.
Extensive selection from 1.8 to 100 volts.
Regulates voltage over a broad operating current and temperature range.
Low RӨJC for cooler operation and better voltage regulation.
Low noise density (1-3 kHz) at test current.
Low reverse leakage current.
RoHS compliant by design.
APPLICATIONS / BENEFITS
Tight tolerances available in plus or minus 2%.
Moisture classification Level 1 per IPC/JEDEC J-STD-020B with no dry pack required.
Non-sensitive to ESD per MIL-STD-750 method 1020.
Compatible with automatic insertion equipment.
Full metallic bottom eliminates flux entrapment.
MAXIMUM RATINGS
Parameters/Test Conditions
Junction and Storage Temperature
Thermal Resistance Junction-to-Ambient (1)
Thermal Resistance Junction-to-Case
Steady-State Power Dissipation (2)
Forward Voltage @ 200 mA
Solder Temperature @ 10 s
Symbol
TJ and TSTG
R ӨJA
R ӨJC
PD
VF
TSP
Value
-55 to +150
240
30
1.0
1.1
260
Unit
oC
oC/W
oC/W
W
V
oC
Notes: 1. On FR4 PC board (1 oz copper) with recommended footprint (see last page).
2. At T C < 120 oC where T C is case bottom temperature at mounting plane, or 0.5 watts at T A = 30 ºC
(ambient temperature) when mounted on FR4 PC board as described for R ӨJA (also see power
deratings in figure 2).
DO-216 Package
Also available in:
DO-35 package
(axial-leaded)
1N4099 – 1N4135 and
1N4614 – 1N4627
DO-213AA package
(surface mount)
1N4099UR – 1N4135UR and
1N4614UR – 1N4627UR
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
MSC – Ireland
Gort Road Business Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
RF01097, Rev. A (2/21/13)
©2013 Microsemi Corporation
Page 1 of 5


  Microsemi Electronic Components Datasheet  

1PMT4125 Datasheet

Powermite Low Noise 1 Watt Zener Diodes

No Preview Available !

1PMT4614e3 – 1PMT4627e3,
1PMT4099e3 – 1PMT4135e3
MECHANICAL and PACKAGING
CASE: Void-free transfer molded thermosetting epoxy compound meeting UL94V-0.
FINISH: Annealed matte-tin plating over copper and readily solderable per MIL-STD-750 method 2026. (Consult factory for tin-
lead plating. NOTE: Tin-lead plated product is not RoHS compliant.)
POLARITY: Cathode designated by Tab 1 (bottom).
TAPE AND REEL option: Standard per EIA-481-B (consult factory for quantities).
MARKING: Three numerical digits of P/N and a dot (see electrical characteristics).
WEIGHT: Approximately 0.016 grams.
See package dimensions on last page.
1 Watt
Powermite Class
JEDEC type number
(See Electrical Characteristics
table)
PART NOMENCLATURE
1 PMT 4099 C e3
RoHS Compliance
Zener Voltage Tolerance
Blank = 5%
C = 2%
Symbol
IR
IZ, IZT, IZK
I ZM
ND
VR
VZ
ZZT or Z ZK
SYMBOLS & DEFINITIONS
Definition
Reverse Current: The maximum reverse (leakage) current that will flow at the specified voltage and temperature.
Regulator Current: The dc regulator current (IZ), at a specified test point (IZT), near breakdown knee (IZK).
Maximum Regulator (Zener) Current: The maximum rated dc current for the specified power rating.
Noise Density: The noise generated over a specified frequency bandwidth usually specified in terms of mV/ √Hz.
Reverse Voltage: The reverse voltage dc value, no alternating component.
Zener Voltage: The Zener voltage the device will exhibit at a specified current (IZ) in its breakdown region.
Dynamic Impedance: The small signal impedance of the diode when biased to operate in its breakdown region at a
specified rms current modulation (typically 10% of IZT or IZK) and superimposed on IZT or IZK respectively.
RF01097, Rev. A (2/21/13)
©2013 Microsemi Corporation
Page 2 of 5


Part Number 1PMT4125
Description Powermite Low Noise 1 Watt Zener Diodes
Maker Microsemi
Total Page 5 Pages
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