Rev. 3.1

2/2011

Page 8 of 18

V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200

vicorpower.com

x 120

025A00

y

E

48

VTM

ATTRIBUTE

SYMBOL

CONDITIONS / NOTES

MIN

TYP

MAX

UNIT

MECHANICAL

Length

L

32.25 / [1.270]

32.5 / [1.280]

32.75 / [1.289]

mm/[in]

Width

W

21.75 / [0.856]

22.0 / [0.866]

22.25 / [0.876]

mm/[in]

Height

H

6.48 / [0.255]

6.73 / [0.265]

6.98 / [0.275]

mm/[in]

Volume

Vol

No heat sink

4.81 / [0.294]

Weight

W

15.0 / [0.53]

g/[oz]

Nickel

0.51

2.03

Lead finish

Palladium

0.02

0.15

µm

Gold

0.003

0.051

THERMAL

VTM48EF120T025A00 (T-Grade)

-40

125

°C

Operating temperature

VTM48EF120M025A00 (M-Grade)

-55

125

°C

VTM48ET120T025A00 (T-Grade)

-40

125

°C

VTM48ET120M025A00 (M-Grade)

-55

125

°C

Thermal resistance

φ

JC

Isothermal heat sink and

1

°C/W

isothermal internal PCB

Thermal capacity

5

Ws/°C

ASSEMBLY

Peak compressive force

Supported by J-lead only

6lbs

applied to case (Z-axis)

5.41

VTM48EF120T025A00 (T-Grade)

-40

125

°C

Storage temperature

VTM48EF120M025A00 (M-Grade)

-65

125

°C

VTM48ET120T025A00 (T-Grade)

-40

125

°C

VTM48ET120M025A00 ( M-Grade)

-65

125

°C

Moisture sensitivity level

MSL

MSL 6, TOB = 4 hrs

MSL 5

1000

ESD withstand

400

SOLDERING

Peak temperature during reflow

MSL 6, TOB = 4 hrs

245

°C

MSL 5

225

°C

Peak time above 245°C

60

90

s

Peak heating rate during reflow

1.5

3

°C/s

Peak cooling rate post reflow

1.5

6

°C/s

SAFETY

Working voltage (IN – OUT)

60

Isolation voltage (hipot)

2250

Isolation capacitance

Unpowered unit

2500

3200

3800

pF

Isolation resistance

10

M

Ω

MTBF

MIL-HDBK-217 Plus Parts Count;

1.83

MHrs

25ºC Ground Benign, Stationary,

Indoors / Computer Profile

Telcordia Issue 2 - Method I Case 1;

7.3

MHrs

Ground Benign, Controlled

cTUVus

Agency approvals / standards

cURus

CE Mark

RoHS 6 of 6

Human Body Model,

"JEDEC JESD 22-A114-F"

Charge Device Model,

"JEDEC JESD 22-C101-D"

6.0 GENERAL CHARACTERISTICS

Specifications apply over all line and load conditions unless otherwise noted; Boldface specifications apply over the temperature