Document
LESHAN RADIO COMPANY, LTD.
HER301G thru HER308G
1.FEATURES
* Plastic package has Underwriters Laboratories Flammability Classification 94V-0
* Ideally suited for use in very high frequency switching * power supplies, inverters and as free wheeling diodes
Glass Passivated Junction High Efficiency Rectifiers
Reverse Voltage 50 to 1000V Forward Current3.0A
* Ultrafast recovery time for high efficiency * Excellent high temperature switching * Soft recovery characteristics
* Cavity-free glass passivated junction
* High temperature soldering guaranteed: * 260°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
2.Mechanical Data
Case: JEDEC DO-201AD, molded plastic over glass body Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.04 oz., 1.10 g Handling precautin:None
3.Electrical Characteristic
We declare that the material of product compliance with RoHS requirements.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
HER HER HER HER HER HER HER HER 301G 302G 303G 304G 305G 306G 307G 308G
Unit
Maximum repetitive peak reverse voltage
VRRM
50 100 200 300 400 600 800 1000 V
Maximum RMS voltage
VRMS
35 70 140 210 280 420 560 700 V
Maximum DC blocking voltage
VDC 50 100 200 300 400 600 800 1000 V
Maximum average forward rectified current 0.375" (9.5mm) lead length at TA = 55°C
IF(AV)
3.0
A
Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum full load reverse current, full cycle
IFSM
average,0.375"(9.5mm) lead lengths at TA = 55° C Typical thermal resistance (Note 2)
IR(AV) RθJA
Operating junction and storage temperature rangeTJ, TSTG
150 125 A
100
55 –50 to +150
µA
°C/W °C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
HER HER HER HER HER HER HER HER 301G 302G 303G 304G 305G 306G 307G 308G
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current TA = 25°C at rated DC blocking voltage TA = 125°C
VF IR
1.00
1.30
10 200
1.85
Typical reverse recovery time (Note 1)
trr
50
75
Typical junction capacitance at 4.0V, 1MHz
CJ
50
40
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
Unit
V µA ns PF
1/3
LESHAN RADIO COMPANY, LTD.
Average Forward Rectified Current (A)
Instantaneous Forward Current (A)
Average Forward Rectified Current (A)
4.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 – Forward Current Derating Curve
Fig. 2 M–aximum Non-repetitive Peak Forward Surge Current
100
60 Hz
TJ = TJ max
Resistive or
8.3ms Single Half Sine-wave
2.0
Inductive Load
80 (JEDEC Method)
60
1.0 40
0.375" (9.5mm) Lead Length
0 0 25 50 75 100 125 150 175 Ambient Temperature, °C Fig 3. – Typical Instantaneous Forward
10 Characteristics
1.0
0.1
20
0 1 10 Number of Cycles at 60Hz
100
Fig 4. – Typical Reverse Characteristics 100
Tj=125℃
10
Tj=75℃
1.0
Instantaneous Reverse Current (µA)
0.01
TJ = 25°C Pulse width = 300µs 1% Duty Cycle
0.001 0.8 1.0 1.2 1.4 1.6 1.8 Instantaneous Forward Voltage (V)
Fig 5. –typical transient thermal impedance
100
10
1.0
Junction Capacitance (pF)
0.1 Tj=25℃
0.01 0
20 40
60 80 100
Percent of Rated Peak Reverse Voltage (%)
Fig 6. – Typical Junction Capacitance 20
10
TJ = 25°C f = 1.0 MHz Vsig = 50mVp-p
0.1 0.01
0.1 1.0 10 t,Pulse duration,sec
100
1.0 0.1
1 10 Reverse Voltage (V)
100
2/3
Transient thermal impedance(°C/W)
LESHAN RADIO COMPANY, LTD.
5.Package Dimensions in inches and (millmeters)
Φd
Package outline
L
ΦD
Dimensions
Note:
inches
mm DO-201AD
Min. Max. Min. Max. molded plastic case
L 0.335 0.375 8.5
9.5 The marking band indicates the
L1 1.0
- 25.4 - cathode
ΦD 0.197 0.220
5.0
5.6
Φd 0.048 0.052 1.2
1.3
3/3
LESHAN RADIO COMPANY, LTD.
Packing Of Plastic-Sealed Axial Lead Diodes
1./Reel Packing(52mm) A:/Reel spec.
Unit:mm
A BC
W1 W W1
Label stike this position
Item Dimeter
Width Thickness
B:/Outer Box Specification
Symbol A B C W W1
Dimension 76.4±0.1 82.5±0.2 330±0.5 72±0.2
3±0.2
Item Symbol Dimension
L 350±2 Size W 350±2
H 340±4 H
W L
:(As per the above spec)
Q'ty/Taping Q'ty/Packing Case
DO-41 & A-405 5K
20K
/Outside DO-15 4K
16K
DO-201AD 1.4K
5.6K
2. /Ammo Packing A: /Ammo Box Spec.
LESHAN RADIO COMPANY, LTD. Unit:mm
Item
Box's Size
Symbol L W H
L W H
Dimension 260±2 76±2 100±4
250±3 45±3 95±5
Notes 52mm TYPE
26mm TYPE
B:/Outer Box Specification H
W L
Item
Case's Size
Symbol L W H
L W H
Dimension 430±2 280±2 225±4
435±3 280±3 295±5
Notes
52mm TYPE
26mm TYPE
:(As per the above spec)
Q'ty/Taping
Q'ty/Packing Case 26mm/TYPE
Q'ty/Packing Case 52mm/TYPE
/Outside
A-405 & DO-41 & R-1
DO-15
3K 2K
30K 20K
60K 40K
DO-201AD 0.8K 7.2K
14..