Page 1
MMBD4148W, MMBD4448W
SURFACE MOUNT SWITCHING DIODES
VOLTAGE
75 Volts
POWER
200 mWatts
FEATURES
• Fast switching speed.
• Surface mount package Ideally Suited for Automatic insertion
• Electrically Identical to Standard JEDEC
• High Conductance
MECHANICAL DATA
Case: SOT-323, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight: 0.008 gram
Marking: A2, A3
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25OC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RETEMARAP LOBMYS
PACKAGE SOT-323
W8414DBMM W8444DBMM STINU
egatloVesreveR V
egatloVesreveRkaePV
zH05=>fdnadaoLevitsiseR
52evobAetareDnoitapissiDrewoP
egatloVdrawroFmumixaM
TJ52=OC
ecnatsiseRlamrehTmumixaMRθ AJ753
egnaRerutarepmeTegarotS T
NOTE:
1. CJ at VR=0, f=1MHZ
2.From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω
htiwnoitacifitceRevaWflaH,)egarevA(tnerruCdeifitceR
flahelgnissm3.8,tnerruCegruSdrawroFkaeP
)dohtemCEDEJ(daoldetarnodesopmirepusevaw-enis
O
C P
I@
F
=Am5
I@F1=Am0
egatloVgnikcolBCDdetaRtatnerruCesreveRCDmumixaM
I
FSM
V
RM
I
O
TOT
I
R
R
F
57 57 V
001001V
051 051 Am
0.20.4A
002 002 Wm
-
0.1
27.0
0.1
5.2 5.2
)1setoN(ecnaticapaCnoitcnuJlacipyTJC0.40.4Fp
)2setoN(yrevoceResreveRmumixaM T
RR
J
0.4 0.4 sn
521+OT55-
SINGLE
V
µA
O
W/C
O
C
MMBD4148W, MMBD4448W
Part Number: MMBD4148W, MMBD4448W PAGE 1
Page 2
RATING and CHARACTERISTIC CURVES
RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT
TYPICAL CAPATICANCE
LEAKAGE CURRENT
FORWARD VOLTAGE
0.2 0.4
0.6 0.8 1.0
1.2
10
1.0
0.1
10
0
1.0
0.1
0.01
0.001
10 20 30 40 50
6.0
0
4.5
3.5
1.5
0
246 8
FORWARD CURRENT,mA
FORWARD VOLTAGE, Volts
REVERSE CURRENT,Am
REVERSE VOLTAGE, Volts
T =150 CA
O
T =125 CA
O
T =85 CA
O
T =55 CA
O
T =25 CA
O
DIODE CAPACITANCE, pF
REVERSE VOLTAGE, Volts
5k W
Vo
2nF
V =2VRF
60 W
0.01
Part Number: MMBD4148W, MMBD4448W PAGE 2
Page 3
OUTLINE DRAWING
.087(2.20
.070(1.80
.054(1.35
.045(1.15
)
)
SOT-323
)
2.20
(
.087
)
2.00
(
.078
MIN.
)
)
)
.10
(
.004
.056(1.40
.047(1.20
)
)
.004(.10)MAX.
)
1.10
(
.016(.40
.078(.20
Dimensions in inches and (millimeters)
)
.044
)
)
.90
(
.035
.006(.15
.002(.05
)
)
© Copyright PanjIt International Inc. 2001
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may changed without notice. No liability will be
accepted by the publisher for any consequence of its use.
Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.
PanJit Internatioal Inc.
TEL:886-7-6213121 Fax:886-7-6213129 Internet: http://www.panjit.com.tw email: sales@panjit.com.tw
Part Number: MMBD4148W, MMBD4448W PAGE 3
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