DT-471-CU-4D datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Discrete semiconductor> diode> DT-471-CU-4D

DT-471-CU-4D: DescriptionStabistor Diode,; CategoryDiscrete semiconductor diode; File Size430KB，4 Pages; ManufacturerLake Shore Cryotronics Inc

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DT-471-CU-4D Overview

Stabistor Diode,

DT-471-CU-4D Parametric

Parameter Name	Attribute value
Maker	Lake Shore Cryotronics Inc
Reach Compliance Code	unknown
ECCN code	EAR99
Base Number Matches	1

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Sensors

Silicon Diodes

DT-470-SD Features



Monotonic temperature

response from 1.4 K to

500 K*



Conformance to standard

Curve 10 temperature

response curve



Useful above 60 K in

magnetic ﬁelds up to 5 T



The rugged, reliable

Lake Shore SD package

designed to withstand

repeated thermal cycling

and minimize sensor

self-heating



Variety of packaging options

DT-471-SD Features



Lower priced version of

DT-470 with a temperature

range of 10 K to 500 K*

DT-414 Features



Temperature range:

1.4 K to 375 K

(calibration up to 325 K)



Small mass for rapid

thermal response



Non-magnetic package

DT-421 Features



Temperature range:

1.4 K to 325 K**



Non-magnetic package



Exposed ﬂat substrate

for surface mounting

* Calibrated to 500 K,

uncalibrated (Curve 10) to 475 K

** Calibrated down to 1.4 K,

DT-400 Series Silicon Diodes

DT-470/471 Hermetically

Sealed Silicon Diode

The DT-470/471 Silicon Diode temperature

sensors incorporate remarkably uniform

sensing elements that exhibit precise,

repeatable, monotonic temperature

response over a wide range. The elements

are mounted into rugged, hermetically-

sealed packages that have been speciﬁcally

designed for proper thermal behavior in a

cryogenic environment.

The result is a family of sensors with

temperature characteristics so predictable,

tightly grouped, and stable that the

sensors in most applications are routinely

interchangeable with one another.

DT-470/471-SD

The Lake Shore SD Package –

The Most Rugged, Versatile

Package in the Industry

The SD package, with direct sensor-to-

sapphire base mounting, hermetic seal, and

brazed Kovar leads, provides the industry’s

most rugged, versatile sensors with the

best sample to chip connection. Designed

so heat coming down the leads bypasses

the chip, it can survive several thousand

hours at 500 K (depending on model) and

is compatible with most ultra high vacuum

applications. It can be indium soldered to

samples. If desired, the SD package is also

available without Kovar leads.

BO, CO, CU, CY, DI, ET, LR, MT

DT-414 Unencapsulated Silicon Diodes

The Model DT-414 uses the DT-400 bare

chip Silicon Diode mounted on a ﬂat

substrate. This chip-level sensor offers

minimal thermal mass and minimal

physical size. Die attachment is with silver

epoxy, and the chip is unencapsulated,

leaving the fragile

DT-414

gold wires exposed.

DT-421 Miniature Silicon Diode

The DT-421 miniature Silicon Diode

temperature sensor is conﬁgured for

installation on ﬂat surfaces. The DT-

421 sensor package exhibits precise,

monotonic temperature response over

its useful range. The sensor chip is in

direct contact with the epoxy dome,

which causes increased voltage at

4.2 K and prevents full range

Curve 10 conformity. For use

below 20 K, calibration

is required.

DT-421

Typical DT-400 Diode Sensitivity Values

Typical DT-400 Diode Voltage Values

www.lakeshore.com

Lake Shore Cryotronics, Inc.

(614) 891-2244

fax: (614) 818-1600

e-mail: info@lakeshore.com

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