1N6638, Microsemi Corp. 1N6642, 1N6643 / The diode experts / SANTA ANA, CA / SCOTTSDALE, AZ COMPUTER SWITCHING For more information call: DIODES (602) 941-6300 >| e- .020 + .002 (] DIA. (.51) 4.0 MIN. Features (25.4) * AVAILABLE IN AXIAL LEADED AND SURFACE MOUNT CONFIGURATIONS 160 Max * ULTRA FAST RECOVERY TIME e406) * VERY LOW CAPACITANCE + Pakage B * METALLURGICALLY BONDED Antal * NON-CAVITY GLASS PACKAGE * AVAILABLE AS JANTX, JANTXV, JANS PER MIL-S-19500/578 il * REPLACEMENTS FOR 1N4148, 1N4148-1, 1N4150, 1N4150-1, AND 1N914 075 MAX. . . DIA. Maximum Ratings @ 25C (1.90) vv TYPE REVERSE WORKING PEAK |OPERATING| PEAK FORWARD Rost | Resec | To NUMBER VOITAGE REVERSE VOLTAGE CURRENT SURGE CURRENT |, ~ 375" stg IN6638US, * oT wwoteny) | note 2) 1IN6642US, ) (v) (mA) (A) Cow) | COW) | CO 1N6638 150 125 300 2.5 160 1N6643US 1NG638US 150 125 300 2.5 160 50 | -5 1N6642 100 75 300 25 t 1N6642US 100 75 300 25 50 | 4195 en r ~~ 1N6643 75 50 300 25 160 Ble 2.5 1N6643US 75 50 300 . 50 +. c x ! i Note 1; At maximum end cap temperature = 110C for US suffix types.Derate at 4.6 mA/C above end cap ~ l rT temperature = 110C. Derate axial types at 3.0 mA/C above ambient temperature = 25C. Ln yx Note 2: Test pulse = 8.3ms, half sine wave Figure 1B . . ki Electrical Characteristics @ 25C enage B TYPE MAXIMUM MAXIMUM D.C. REVERSE Mount NUMBER FORWARD CURRENT VOLTAGE IR . Ve Mechanical Vr=20v_|VR=VRwM istl vne20v| Vee Vawna te evel RRM Characteristics V@mA nA BA HA HA AXIAL LEADED DEVICES 1N6638 |0.8V @ 10mA/1.1V @ 200mA| 25 0.5 40 100 CASE: Voidiess Hermetically 1N6638US|0.8V @ 10mA]1.1V @ 200mA] 25 0.5 40 100 Sealed Hard Giass. 1N6642) 11.0V @ 10mA/1.2V @ 100mA} 25 0.5 50 100 1N6642US|1.0V @ 10mA|1.2V @ 100ma| 25 0.5 50 100 Dipped Coppa obi oer 1N6643 _|1.0V @ 10mA/1.2V @ 100mA] 50 0.5 75 160 1N6643US/1.0V @ 10mA|1.2V @ 100mA| _50 0.5 75 160 MARKING: Body Painted, Alpha umeric. TYPE | REVERSE | MAXIMUM FORWARD |MAXIMUM JUNCTION NUMBER |RECOVERY| RECOVERY VOLTAGE CAPACITANCE POLARITY: Cathode Band. TIME AND TIME f = 1MHz ter tp = 50mA, t, = Ins Vsig = SOmV (p-p) SURFACE MOUNT DEVICES Note 1 ee Ver ttr Vp=0V Vp=1.5V CASE: Voidless Hermetically Sealed Hard Glass. ns v ns pt pf 1N6638 45 5.0 20 2.0 1.4 END CAP MATERIAL: Solid IN6638US| 4.5 5.0 20 2.0 1.4 , 1N6642 5.0 5.0 20 5.0 2.8 END CAP CONFIGURATION: 1N6642US| 5.0 5.0 20 5.0 2.8 Square. 'N6643 | 6.0 5.0 270 7 5.0 28 POLARITY: Cathode Dot on End 1N6643US) 6.0 5.0 20 5.0 2.8 Cap. NOTE 1: Reverse Recovery Time Test Conditions: Ip = Ip = 10mAdc, iR(REC) = 1.0mAdc, C = 3pF, Ri = 100 ohms 7-591N6638, 1N6642, 1N6643, 1N6638US, 1N6642US, 1N6643US 1000 500 200 Ip - Forward Current - (mA) Ip - Forward Current - (mA) 0.1 1.23 4 5 6 7 8 9 101.11.21.3 1.415 12 3 4 5 6 7 8 9101112131415 VF - Forward Voltage (V) VF - Forward Voltage (V) FIGURE 2 FIGURE 3 1N6638 & US 1N6642, 1N6643, & US Typical Forward Current Typical Forward Current vs Forward Voltage vs Forward Voltage ip - Reverse Current - (uA) 10 20 30 40 50 60 70 80 90 100110120130 140 10 20 30 40 50 60 70 80 90 100110120130 140 Percent of Reverse Working Voltage (%) Percent of Reverse Working Voltage (%) FIGURE 4 FIGURE 5 1N6638, 1N6642, & US 1N6643 & US Typical Reverse Current Typical Reverse Current 7-60 vs Reverse Voltage vs Reverse Voltage