T4-LDS-0248, Rev. 1 (120182)

©2012 Microsemi Corporation

Page 2 of 5

UPT5e3 – UPT48e3, UPT5Re3 – UPT48Re3

UPTB8e3 – UPTB48e3

MECHANICAL and PACKAGING

• CASE: Void-free transfer molded thermosetting epoxy compound meeting UL94V-0.

• TERMINALS: Annealed matte-tin plating over copper and readily solderable per MIL-STD-750, method 2026.

• MARKING:

Anode to TAB 1: T plus the last two digits of part number, e.g. UPT5e3 is T05

▪, UPT12e3 is T12▪

Cathode to TAB1: U plus last two digits of part number

, e.g. UPT5Re3 is U05▪, UPT12Re3 is U12▪

Bipolar: B plus the last two digits of part number, e.g. UPTB8e3 is B08

▪, UPTB12e3 is B12▪, etc.

Please note dot suffix (for e3 suffix)

• POLARITY: Cathode or anode to TAB 1 (bottom) as described in marking below and last page.

• TAPE & REEL option: Standard per EIA-481-B using 12 mm tape. Consult factory for quantities.

• WEIGHT: 0.016 gram (approximate).

• See Package Dimensions on last page.

PART NOMENCLATURE

Applicable to UPT5e3 – UPT48e3, UPT5Re3 – UPT48Re3 only:

UPT

5

R

(e3)

Powermite

Rated Standoff

Voltage

RoHS Compliance

e3 = RoHS Compliant (available

on commercial grade only)

Blank = non-RoHS Compliant

Polarity

Blank = Anode to Case Bottom

R = Cathode to Case Bottom

Applicable to UPTB8e3 – UPTB48e3 only:

UPT

B

5

(e3)

Powermite

Bi-directional

RoHS Compliance

e3 = RoHS Compliant (available

on commercial grade only)

Blank = non-RoHS Compliant

Rated Standoff Voltage

SYMBOLS & DEFINITIONS

Symbol

Definition

Breakdown Voltage: The minimum voltage the device will exhibit at a specified current.

Working Peak Standoff Voltage: The maximum peak voltage that can be applied over the operating temperature

range.

Peak Pulse Power: The peak power that can be applied for a specified pulse width and waveform.

Standby Current: The maximum current that will flow at the specified voltage and temperature.

Peak Pulse Current: The peak current that can be applied for a specified pulse width and waveform.

C

Capacitance: The capacitance in picofarads of the TVS as defined @ 0 volts at a frequency of 1 MHz.