Document
FFM301 THRU FFM307
SURFACE MOUNT FAST RECOVERY RECTIFIER
Reverse Voltage - 50 to 1000 Volts Forward Current - 3.0 Ampere
FEATURES
● The plastic package carries Underwriters Laboratory Flammability Classification 94V-0
● For surface mounted applications ● Fast switching for high efficiency ● Low reverse leakage ● Built-in strain relief,ideal for automated placement ● High forward surge current capability ● High temperature soldering guaranteed:
250 C/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC DO-214AB molded plastic body Terminals: Solder plated , solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.007 ounce, 0.24grams
SMC ( DO-214AB )
.128(3.25) .108(2.75)
.280(7.11) .260(6.60)
.103(2.62) .079(2.00)
.060(1.52) .030(0.76)
.320(8.13) .305(7.75)
.245(6.22) .220(5.59)
.012(.305) .006(.152)
.008(.203) .002(.051)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
Characteristic
Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375”(9.5mm) lead length at TA=75 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 3.0A Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=125 C Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3) Operating junction and storage temperature range
SYMBOLS
VRRM VRMS VDC
I(AV)
FFM 301
50 35 50
FFM 302
100 70 100
FFM 303
200 140 200
FFM 304
400 280 400
3.0
FFM 305
600 420 600
IFSM
VF
IR trr CJ R JA TJ,TSTG
100.0
1.3 5.0 250.0 150 250 50.0 20.0 -65 to +150
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A 2.Measured at 1MHz and applied reverse voltage of 4.0V D.C. 3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
FFM FFM 306 307
800 1000 560 700 800 1000
500
UNITS V V V
A
A
V µA
ns pF C/W C
FFM301 THRU FFM307
RATINGS AND CHARACTERISTIC CURVES
I(AV), AVERAGE FORWARD CURRENT (A)
IFSM, PEAK FORWARD SURGE CURRENT (A)
3.0
2.5
2.0 1.5
1.0
0.5
0 25
50 75 100 125 150 175
TT, TERMINAL TEMPERATURE (°C) Fig. 1 Forward Current Derating Curve
100
Single Half-Sine-Wave (JEDEC Method)
80 60
40
20
0 1
10 100
NUMBER OF CYCLES AT 60 Hz Fig. 3 Forward Surge Current Derating Curve
50Ω NI (Non-inductive)
10Ω NI
(+)
50V DC Approx (-)
Device Under Test
1.0Ω NI
Oscilloscope (Note 1)
(-)
Pulse Generator (Note 2)
(+)
IR, INSTANTANEOUS REVERSE CURRENT (µA)
IF, INSTANTANEOUS FORWARD CURRENT (A)
10 1.0
0.1
0.01 0
Tj = 25°C IF Pulse Width: 300 µs
0.4 0.8
1.2 1.6
VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics
1000
100
Tj = 125°C
10 1.0 Tj = 25°C
0.1 0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%) Fig. 4 Typical Reverse Characteristics
+0.5A
trr
0A -0.25A
Notes: 1. Rise Time = 7.0ns max. Input Impedance = 1.0MΩ, 22pF. 2. Rise Time = 10ns max. Input Impedance = 50Ω.
-1.0A
Set time base for 50/100 ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
.